From f1a2879c1c57eb40747db3ff1b7b80cb9041e11b Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Tue, 25 Apr 2017 14:04:35 +0200 Subject: clk: renesas: Stop enabling legacy DT clock support by default Since v4.15-rc1, the DTS files for all R-Car Gen2 SoCs have been converted to the new CPG/MSSR bindings. Hence it is now safe to no longer enable legacy DT clock support by default. Signed-off-by: Geert Uytterhoeven --- drivers/clk/renesas/Kconfig | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/clk') diff --git a/drivers/clk/renesas/Kconfig b/drivers/clk/renesas/Kconfig index 43b5a89c4b28..84b40b95ca0e 100644 --- a/drivers/clk/renesas/Kconfig +++ b/drivers/clk/renesas/Kconfig @@ -24,12 +24,13 @@ if CLK_RENESAS config CLK_RENESAS_LEGACY bool "Legacy DT clock support" depends on CLK_R8A7790 || CLK_R8A7791 || CLK_R8A7792 || CLK_R8A7794 - default y help Enable backward compatibility with old device trees describing a hierarchical representation of the various CPG and MSTP clocks. Say Y if you want your kernel to work with old DTBs. + It is safe to say N if you use the DTS that is supplied with the + current kernel source tree. # SoC config CLK_EMEV2 -- cgit v1.2.3 From 3391891fa9c82fd14bcddec2f422299b57ce8091 Mon Sep 17 00:00:00 2001 From: Takeshi Kihara Date: Mon, 29 Jan 2018 19:01:49 +0100 Subject: clk: renesas: rcar-gen3: Add Z clock divider support This patch adds Z clock divider support for R-Car Gen3 SoC. Signed-off-by: Takeshi Kihara Signed-off-by: Simon Horman Signed-off-by: Geert Uytterhoeven --- drivers/clk/renesas/rcar-gen3-cpg.c | 133 ++++++++++++++++++++++++++++++++++++ drivers/clk/renesas/rcar-gen3-cpg.h | 1 + 2 files changed, 134 insertions(+) (limited to 'drivers/clk') diff --git a/drivers/clk/renesas/rcar-gen3-cpg.c b/drivers/clk/renesas/rcar-gen3-cpg.c index 0904886f5501..b85918fa62c6 100644 --- a/drivers/clk/renesas/rcar-gen3-cpg.c +++ b/drivers/clk/renesas/rcar-gen3-cpg.c @@ -13,6 +13,7 @@ */ #include +#include #include #include #include @@ -61,6 +62,134 @@ static void cpg_simple_notifier_register(struct raw_notifier_head *notifiers, raw_notifier_chain_register(notifiers, &csn->nb); } +/* + * Z Clock + * + * Traits of this clock: + * prepare - clk_prepare only ensures that parents are prepared + * enable - clk_enable only ensures that parents are enabled + * rate - rate is adjustable. clk->rate = (parent->rate * mult / 32 ) / 2 + * parent - fixed parent. No clk_set_parent support + */ +#define CPG_FRQCRB 0x00000004 +#define CPG_FRQCRB_KICK BIT(31) +#define CPG_FRQCRC 0x000000e0 +#define CPG_FRQCRC_ZFC_MASK GENMASK(12, 8) + +struct cpg_z_clk { + struct clk_hw hw; + void __iomem *reg; + void __iomem *kick_reg; +}; + +#define to_z_clk(_hw) container_of(_hw, struct cpg_z_clk, hw) + +static unsigned long cpg_z_clk_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct cpg_z_clk *zclk = to_z_clk(hw); + unsigned int mult; + + mult = 32 - FIELD_GET(CPG_FRQCRC_ZFC_MASK, clk_readl(zclk->reg)); + + /* Factor of 2 is for fixed divider */ + return DIV_ROUND_CLOSEST_ULL((u64)parent_rate * mult, 32 * 2); +} + +static long cpg_z_clk_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *parent_rate) +{ + /* Factor of 2 is for fixed divider */ + unsigned long prate = *parent_rate / 2; + unsigned int mult; + + mult = div_u64(rate * 32ULL, prate); + mult = clamp(mult, 1U, 32U); + + return (u64)prate * mult / 32; +} + +static int cpg_z_clk_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct cpg_z_clk *zclk = to_z_clk(hw); + unsigned int mult; + unsigned int i; + u32 val, kick; + + /* Factor of 2 is for fixed divider */ + mult = DIV_ROUND_CLOSEST_ULL(rate * 32ULL * 2, parent_rate); + mult = clamp(mult, 1U, 32U); + + if (clk_readl(zclk->kick_reg) & CPG_FRQCRB_KICK) + return -EBUSY; + + val = clk_readl(zclk->reg) & ~CPG_FRQCRC_ZFC_MASK; + val |= FIELD_PREP(CPG_FRQCRC_ZFC_MASK, 32 - mult); + clk_writel(val, zclk->reg); + + /* + * Set KICK bit in FRQCRB to update hardware setting and wait for + * clock change completion. + */ + kick = clk_readl(zclk->kick_reg); + kick |= CPG_FRQCRB_KICK; + clk_writel(kick, zclk->kick_reg); + + /* + * Note: There is no HW information about the worst case latency. + * + * Using experimental measurements, it seems that no more than + * ~10 iterations are needed, independently of the CPU rate. + * Since this value might be dependent of external xtal rate, pll1 + * rate or even the other emulation clocks rate, use 1000 as a + * "super" safe value. + */ + for (i = 1000; i; i--) { + if (!(clk_readl(zclk->kick_reg) & CPG_FRQCRB_KICK)) + return 0; + + cpu_relax(); + } + + return -ETIMEDOUT; +} + +static const struct clk_ops cpg_z_clk_ops = { + .recalc_rate = cpg_z_clk_recalc_rate, + .round_rate = cpg_z_clk_round_rate, + .set_rate = cpg_z_clk_set_rate, +}; + +static struct clk * __init cpg_z_clk_register(const char *name, + const char *parent_name, + void __iomem *reg) +{ + struct clk_init_data init; + struct cpg_z_clk *zclk; + struct clk *clk; + + zclk = kzalloc(sizeof(*zclk), GFP_KERNEL); + if (!zclk) + return ERR_PTR(-ENOMEM); + + init.name = name; + init.ops = &cpg_z_clk_ops; + init.flags = 0; + init.parent_names = &parent_name; + init.num_parents = 1; + + zclk->reg = reg + CPG_FRQCRC; + zclk->kick_reg = reg + CPG_FRQCRB; + zclk->hw.init = &init; + + clk = clk_register(NULL, &zclk->hw); + if (IS_ERR(clk)) + kfree(zclk); + + return clk; +} + /* * SDn Clock */ @@ -420,6 +549,10 @@ struct clk * __init rcar_gen3_cpg_clk_register(struct device *dev, mult = 1; break; + case CLK_TYPE_GEN3_Z: + return cpg_z_clk_register(core->name, __clk_get_name(parent), + base); + default: return ERR_PTR(-EINVAL); } diff --git a/drivers/clk/renesas/rcar-gen3-cpg.h b/drivers/clk/renesas/rcar-gen3-cpg.h index 2e4284399f53..c73d4d6fdc85 100644 --- a/drivers/clk/renesas/rcar-gen3-cpg.h +++ b/drivers/clk/renesas/rcar-gen3-cpg.h @@ -21,6 +21,7 @@ enum rcar_gen3_clk_types { CLK_TYPE_GEN3_SD, CLK_TYPE_GEN3_R, CLK_TYPE_GEN3_PE, + CLK_TYPE_GEN3_Z, }; #define DEF_GEN3_SD(_name, _id, _parent, _offset) \ -- cgit v1.2.3 From 41ceeb5fef7719474a17a5a6052cae5b6c9e37c0 Mon Sep 17 00:00:00 2001 From: Takeshi Kihara Date: Mon, 29 Jan 2018 19:01:50 +0100 Subject: clk: renesas: rcar-gen3: Add Z2 clock divider support This patch adds Z2 clock divider support for R-Car Gen3 SoC. Signed-off-by: Takeshi Kihara Signed-off-by: Simon Horman Signed-off-by: Geert Uytterhoeven --- drivers/clk/renesas/rcar-gen3-cpg.c | 22 ++++++++++++++++------ drivers/clk/renesas/rcar-gen3-cpg.h | 1 + 2 files changed, 17 insertions(+), 6 deletions(-) (limited to 'drivers/clk') diff --git a/drivers/clk/renesas/rcar-gen3-cpg.c b/drivers/clk/renesas/rcar-gen3-cpg.c index b85918fa62c6..0c8fe10d57fe 100644 --- a/drivers/clk/renesas/rcar-gen3-cpg.c +++ b/drivers/clk/renesas/rcar-gen3-cpg.c @@ -63,7 +63,7 @@ static void cpg_simple_notifier_register(struct raw_notifier_head *notifiers, } /* - * Z Clock + * Z Clock & Z2 Clock * * Traits of this clock: * prepare - clk_prepare only ensures that parents are prepared @@ -75,11 +75,13 @@ static void cpg_simple_notifier_register(struct raw_notifier_head *notifiers, #define CPG_FRQCRB_KICK BIT(31) #define CPG_FRQCRC 0x000000e0 #define CPG_FRQCRC_ZFC_MASK GENMASK(12, 8) +#define CPG_FRQCRC_Z2FC_MASK GENMASK(4, 0) struct cpg_z_clk { struct clk_hw hw; void __iomem *reg; void __iomem *kick_reg; + unsigned long mask; }; #define to_z_clk(_hw) container_of(_hw, struct cpg_z_clk, hw) @@ -89,8 +91,10 @@ static unsigned long cpg_z_clk_recalc_rate(struct clk_hw *hw, { struct cpg_z_clk *zclk = to_z_clk(hw); unsigned int mult; + u32 val; - mult = 32 - FIELD_GET(CPG_FRQCRC_ZFC_MASK, clk_readl(zclk->reg)); + val = clk_readl(zclk->reg) & zclk->mask; + mult = 32 - (val >> __ffs(zclk->mask)); /* Factor of 2 is for fixed divider */ return DIV_ROUND_CLOSEST_ULL((u64)parent_rate * mult, 32 * 2); @@ -124,8 +128,8 @@ static int cpg_z_clk_set_rate(struct clk_hw *hw, unsigned long rate, if (clk_readl(zclk->kick_reg) & CPG_FRQCRB_KICK) return -EBUSY; - val = clk_readl(zclk->reg) & ~CPG_FRQCRC_ZFC_MASK; - val |= FIELD_PREP(CPG_FRQCRC_ZFC_MASK, 32 - mult); + val = clk_readl(zclk->reg) & ~zclk->mask; + val |= ((32 - mult) << __ffs(zclk->mask)) & zclk->mask; clk_writel(val, zclk->reg); /* @@ -163,7 +167,8 @@ static const struct clk_ops cpg_z_clk_ops = { static struct clk * __init cpg_z_clk_register(const char *name, const char *parent_name, - void __iomem *reg) + void __iomem *reg, + unsigned long mask) { struct clk_init_data init; struct cpg_z_clk *zclk; @@ -182,6 +187,7 @@ static struct clk * __init cpg_z_clk_register(const char *name, zclk->reg = reg + CPG_FRQCRC; zclk->kick_reg = reg + CPG_FRQCRB; zclk->hw.init = &init; + zclk->mask = mask; clk = clk_register(NULL, &zclk->hw); if (IS_ERR(clk)) @@ -551,7 +557,11 @@ struct clk * __init rcar_gen3_cpg_clk_register(struct device *dev, case CLK_TYPE_GEN3_Z: return cpg_z_clk_register(core->name, __clk_get_name(parent), - base); + base, CPG_FRQCRC_ZFC_MASK); + + case CLK_TYPE_GEN3_Z2: + return cpg_z_clk_register(core->name, __clk_get_name(parent), + base, CPG_FRQCRC_Z2FC_MASK); default: return ERR_PTR(-EINVAL); diff --git a/drivers/clk/renesas/rcar-gen3-cpg.h b/drivers/clk/renesas/rcar-gen3-cpg.h index c73d4d6fdc85..ea4f8fc3c4c9 100644 --- a/drivers/clk/renesas/rcar-gen3-cpg.h +++ b/drivers/clk/renesas/rcar-gen3-cpg.h @@ -22,6 +22,7 @@ enum rcar_gen3_clk_types { CLK_TYPE_GEN3_R, CLK_TYPE_GEN3_PE, CLK_TYPE_GEN3_Z, + CLK_TYPE_GEN3_Z2, }; #define DEF_GEN3_SD(_name, _id, _parent, _offset) \ -- cgit v1.2.3 From 4003508b4f233104a17150463604dc9c36833815 Mon Sep 17 00:00:00 2001 From: Takeshi Kihara Date: Mon, 29 Jan 2018 19:01:51 +0100 Subject: clk: renesas: r8a7795: Add Z clock This patch adds Z clock for R8A7795 SoC. Signed-off-by: Takeshi Kihara Signed-off-by: Simon Horman Signed-off-by: Geert Uytterhoeven --- drivers/clk/renesas/r8a7795-cpg-mssr.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/clk') diff --git a/drivers/clk/renesas/r8a7795-cpg-mssr.c b/drivers/clk/renesas/r8a7795-cpg-mssr.c index b1d9f48eae9e..995a4c4fb01e 100644 --- a/drivers/clk/renesas/r8a7795-cpg-mssr.c +++ b/drivers/clk/renesas/r8a7795-cpg-mssr.c @@ -74,6 +74,7 @@ static struct cpg_core_clk r8a7795_core_clks[] __initdata = { DEF_FIXED(".sdsrc", CLK_SDSRC, CLK_PLL1_DIV2, 2, 1), /* Core Clock Outputs */ + DEF_BASE("z", R8A7795_CLK_Z, CLK_TYPE_GEN3_Z, CLK_PLL0), DEF_FIXED("ztr", R8A7795_CLK_ZTR, CLK_PLL1_DIV2, 6, 1), DEF_FIXED("ztrd2", R8A7795_CLK_ZTRD2, CLK_PLL1_DIV2, 12, 1), DEF_FIXED("zt", R8A7795_CLK_ZT, CLK_PLL1_DIV2, 4, 1), -- cgit v1.2.3 From 1eadca3557f77afbb64100e077f48ac338d731dc Mon Sep 17 00:00:00 2001 From: Takeshi Kihara Date: Mon, 29 Jan 2018 19:01:52 +0100 Subject: clk: renesas: r8a7795: Add Z2 clock This patch adds Z2 clock for r8a7795 SoC. Signed-off-by: Takeshi Kihara Signed-off-by: Simon Horman Signed-off-by: Geert Uytterhoeven --- drivers/clk/renesas/r8a7795-cpg-mssr.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/clk') diff --git a/drivers/clk/renesas/r8a7795-cpg-mssr.c b/drivers/clk/renesas/r8a7795-cpg-mssr.c index 995a4c4fb01e..775b0ceaa337 100644 --- a/drivers/clk/renesas/r8a7795-cpg-mssr.c +++ b/drivers/clk/renesas/r8a7795-cpg-mssr.c @@ -75,6 +75,7 @@ static struct cpg_core_clk r8a7795_core_clks[] __initdata = { /* Core Clock Outputs */ DEF_BASE("z", R8A7795_CLK_Z, CLK_TYPE_GEN3_Z, CLK_PLL0), + DEF_BASE("z2", R8A7795_CLK_Z2, CLK_TYPE_GEN3_Z2, CLK_PLL2), DEF_FIXED("ztr", R8A7795_CLK_ZTR, CLK_PLL1_DIV2, 6, 1), DEF_FIXED("ztrd2", R8A7795_CLK_ZTRD2, CLK_PLL1_DIV2, 12, 1), DEF_FIXED("zt", R8A7795_CLK_ZT, CLK_PLL1_DIV2, 4, 1), -- cgit v1.2.3 From 72f2a6b31544da1978ab9fb032d0e17ded4af4a7 Mon Sep 17 00:00:00 2001 From: Takeshi Kihara Date: Mon, 29 Jan 2018 19:01:53 +0100 Subject: clk: renesas: r8a7796: Add Z clock This patch adds Z clock for R8A7796 SoC. Signed-off-by: Takeshi Kihara Signed-off-by: Simon Horman Signed-off-by: Geert Uytterhoeven --- drivers/clk/renesas/r8a7796-cpg-mssr.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/clk') diff --git a/drivers/clk/renesas/r8a7796-cpg-mssr.c b/drivers/clk/renesas/r8a7796-cpg-mssr.c index 41e29734126b..799a9e574e79 100644 --- a/drivers/clk/renesas/r8a7796-cpg-mssr.c +++ b/drivers/clk/renesas/r8a7796-cpg-mssr.c @@ -74,6 +74,7 @@ static const struct cpg_core_clk r8a7796_core_clks[] __initconst = { DEF_FIXED(".sdsrc", CLK_SDSRC, CLK_PLL1_DIV2, 2, 1), /* Core Clock Outputs */ + DEF_BASE("z", R8A7796_CLK_Z, CLK_TYPE_GEN3_Z, CLK_PLL0), DEF_FIXED("ztr", R8A7796_CLK_ZTR, CLK_PLL1_DIV2, 6, 1), DEF_FIXED("ztrd2", R8A7796_CLK_ZTRD2, CLK_PLL1_DIV2, 12, 1), DEF_FIXED("zt", R8A7796_CLK_ZT, CLK_PLL1_DIV2, 4, 1), -- cgit v1.2.3 From c50378efa9aa16acfe16d7313d29a874c2c86e5e Mon Sep 17 00:00:00 2001 From: Takeshi Kihara Date: Mon, 29 Jan 2018 19:01:54 +0100 Subject: clk: renesas: r8a7796: Add Z2 clock This patch adds Z2 clock for R8A7796 SoC. Signed-off-by: Takeshi Kihara Signed-off-by: Simon Horman Signed-off-by: Geert Uytterhoeven --- drivers/clk/renesas/r8a7796-cpg-mssr.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/clk') diff --git a/drivers/clk/renesas/r8a7796-cpg-mssr.c b/drivers/clk/renesas/r8a7796-cpg-mssr.c index 799a9e574e79..dfb267a92f2a 100644 --- a/drivers/clk/renesas/r8a7796-cpg-mssr.c +++ b/drivers/clk/renesas/r8a7796-cpg-mssr.c @@ -75,6 +75,7 @@ static const struct cpg_core_clk r8a7796_core_clks[] __initconst = { /* Core Clock Outputs */ DEF_BASE("z", R8A7796_CLK_Z, CLK_TYPE_GEN3_Z, CLK_PLL0), + DEF_BASE("z2", R8A7796_CLK_Z2, CLK_TYPE_GEN3_Z2, CLK_PLL2), DEF_FIXED("ztr", R8A7796_CLK_ZTR, CLK_PLL1_DIV2, 6, 1), DEF_FIXED("ztrd2", R8A7796_CLK_ZTRD2, CLK_PLL1_DIV2, 12, 1), DEF_FIXED("zt", R8A7796_CLK_ZT, CLK_PLL1_DIV2, 4, 1), -- cgit v1.2.3 From 75af6fa42dc68b730e85f51034512c61e52eb0c0 Mon Sep 17 00:00:00 2001 From: Corentin Labbe Date: Fri, 19 Jan 2018 15:19:06 +0100 Subject: clk: sunxi-ng: remove select on obsolete SUNXI_CCU_X kconfig name The following symbols: SUNXI_CCU_DIV SUNXI_CCU_MULT SUNXI_CCU_NK SUNXI_CCU_NKM SUNXI_CCU_NM SUNXI_CCU_MP SUNXI_CCU_PHASE were removed with the commit 06e226c7fb23 ("clk: sunxi-ng: Move all clock types to a library") So selecting them is useless. Fixes: c84f5683f6e9 ("clk: sunxi-ng: Add sun4i/sun7i CCU driver") Signed-off-by: Corentin Labbe Signed-off-by: Maxime Ripard --- drivers/clk/sunxi-ng/Kconfig | 7 ------- 1 file changed, 7 deletions(-) (limited to 'drivers/clk') diff --git a/drivers/clk/sunxi-ng/Kconfig b/drivers/clk/sunxi-ng/Kconfig index 6427d0ebe2de..33168f94ee39 100644 --- a/drivers/clk/sunxi-ng/Kconfig +++ b/drivers/clk/sunxi-ng/Kconfig @@ -13,13 +13,6 @@ config SUN50I_A64_CCU config SUN4I_A10_CCU bool "Support for the Allwinner A10/A20 CCU" - select SUNXI_CCU_DIV - select SUNXI_CCU_MULT - select SUNXI_CCU_NK - select SUNXI_CCU_NKM - select SUNXI_CCU_NM - select SUNXI_CCU_MP - select SUNXI_CCU_PHASE default MACH_SUN4I default MACH_SUN7I depends on MACH_SUN4I || MACH_SUN7I || COMPILE_TEST -- cgit v1.2.3 From d897ef56faf9bdb36e931251d0b70b10ebb03a14 Mon Sep 17 00:00:00 2001 From: Jernej Skrabec Date: Wed, 14 Feb 2018 21:08:55 +0100 Subject: clk: sunxi-ng: Mask nkmp factors when setting register Currently, if one of the factors isn't present, bit 0 gets always set to 1. For example, A83T has NMP PLLs modelled as NKMP PLL without K. Since K is not specified, it's offset, width and shift is 0. Driver assumes that lowest value possible is 1, otherwise we would get division by 0. That situation causes that bit 0 is always set, which may change wanted clock rate. Fix that by masking every factor according to it's specified width. Factors with width set to 0 won't have any influence to final register value. Acked-by: Maxime Ripard Signed-off-by: Jernej Skrabec Signed-off-by: Maxime Ripard --- drivers/clk/sunxi-ng/ccu_nkmp.c | 21 ++++++++++++--------- 1 file changed, 12 insertions(+), 9 deletions(-) (limited to 'drivers/clk') diff --git a/drivers/clk/sunxi-ng/ccu_nkmp.c b/drivers/clk/sunxi-ng/ccu_nkmp.c index e58c95787f94..a99068a08315 100644 --- a/drivers/clk/sunxi-ng/ccu_nkmp.c +++ b/drivers/clk/sunxi-ng/ccu_nkmp.c @@ -134,6 +134,7 @@ static int ccu_nkmp_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate) { struct ccu_nkmp *nkmp = hw_to_ccu_nkmp(hw); + u32 n_mask, k_mask, m_mask, p_mask; struct _ccu_nkmp _nkmp; unsigned long flags; u32 reg; @@ -149,18 +150,20 @@ static int ccu_nkmp_set_rate(struct clk_hw *hw, unsigned long rate, ccu_nkmp_find_best(parent_rate, rate, &_nkmp); + n_mask = GENMASK(nkmp->n.width + nkmp->n.shift - 1, nkmp->n.shift); + k_mask = GENMASK(nkmp->k.width + nkmp->k.shift - 1, nkmp->k.shift); + m_mask = GENMASK(nkmp->m.width + nkmp->m.shift - 1, nkmp->m.shift); + p_mask = GENMASK(nkmp->p.width + nkmp->p.shift - 1, nkmp->p.shift); + spin_lock_irqsave(nkmp->common.lock, flags); reg = readl(nkmp->common.base + nkmp->common.reg); - reg &= ~GENMASK(nkmp->n.width + nkmp->n.shift - 1, nkmp->n.shift); - reg &= ~GENMASK(nkmp->k.width + nkmp->k.shift - 1, nkmp->k.shift); - reg &= ~GENMASK(nkmp->m.width + nkmp->m.shift - 1, nkmp->m.shift); - reg &= ~GENMASK(nkmp->p.width + nkmp->p.shift - 1, nkmp->p.shift); - - reg |= (_nkmp.n - nkmp->n.offset) << nkmp->n.shift; - reg |= (_nkmp.k - nkmp->k.offset) << nkmp->k.shift; - reg |= (_nkmp.m - nkmp->m.offset) << nkmp->m.shift; - reg |= ilog2(_nkmp.p) << nkmp->p.shift; + reg &= ~(n_mask | k_mask | m_mask | p_mask); + + reg |= ((_nkmp.n - nkmp->n.offset) << nkmp->n.shift) & n_mask; + reg |= ((_nkmp.k - nkmp->k.offset) << nkmp->k.shift) & k_mask; + reg |= ((_nkmp.m - nkmp->m.offset) << nkmp->m.shift) & m_mask; + reg |= (ilog2(_nkmp.p) << nkmp->p.shift) & p_mask; writel(reg, nkmp->common.base + nkmp->common.reg); -- cgit v1.2.3 From a5ebc3368ef7c77da5a03ad52834520a634a36ef Mon Sep 17 00:00:00 2001 From: Jernej Skrabec Date: Wed, 14 Feb 2018 21:08:56 +0100 Subject: clk: sunxi-ng: Use u64 for calculation of nkmp rate When parent rate is 24MHz and multiplier N >= 180, intermediate clock rate doesn't fit in 32 bit variable anymore. Because of that, introduce function for calculating clock rate which uses 64 bit variable for intermediate result. Acked-by: Maxime Ripard Signed-off-by: Jernej Skrabec Signed-off-by: Maxime Ripard --- drivers/clk/sunxi-ng/ccu_nkmp.c | 21 ++++++++++++++++++--- 1 file changed, 18 insertions(+), 3 deletions(-) (limited to 'drivers/clk') diff --git a/drivers/clk/sunxi-ng/ccu_nkmp.c b/drivers/clk/sunxi-ng/ccu_nkmp.c index a99068a08315..c3f6fe7be565 100644 --- a/drivers/clk/sunxi-ng/ccu_nkmp.c +++ b/drivers/clk/sunxi-ng/ccu_nkmp.c @@ -20,6 +20,18 @@ struct _ccu_nkmp { unsigned long p, min_p, max_p; }; +static unsigned long ccu_nkmp_calc_rate(unsigned long parent, + unsigned long n, unsigned long k, + unsigned long m, unsigned long p) +{ + u64 rate = parent; + + rate *= n * k; + do_div(rate, m * p); + + return rate; +} + static void ccu_nkmp_find_best(unsigned long parent, unsigned long rate, struct _ccu_nkmp *nkmp) { @@ -33,7 +45,9 @@ static void ccu_nkmp_find_best(unsigned long parent, unsigned long rate, for (_p = nkmp->min_p; _p <= nkmp->max_p; _p <<= 1) { unsigned long tmp_rate; - tmp_rate = parent * _n * _k / (_m * _p); + tmp_rate = ccu_nkmp_calc_rate(parent, + _n, _k, + _m, _p); if (tmp_rate > rate) continue; @@ -107,7 +121,7 @@ static unsigned long ccu_nkmp_recalc_rate(struct clk_hw *hw, p = reg >> nkmp->p.shift; p &= (1 << nkmp->p.width) - 1; - return (parent_rate * n * k >> p) / m; + return ccu_nkmp_calc_rate(parent_rate, n, k, m, 1 << p); } static long ccu_nkmp_round_rate(struct clk_hw *hw, unsigned long rate, @@ -127,7 +141,8 @@ static long ccu_nkmp_round_rate(struct clk_hw *hw, unsigned long rate, ccu_nkmp_find_best(*parent_rate, rate, &_nkmp); - return *parent_rate * _nkmp.n * _nkmp.k / (_nkmp.m * _nkmp.p); + return ccu_nkmp_calc_rate(*parent_rate, _nkmp.n, _nkmp.k, + _nkmp.m, _nkmp.p); } static int ccu_nkmp_set_rate(struct clk_hw *hw, unsigned long rate, -- cgit v1.2.3 From 039738bf986a516a01e96a4874c172dfe7e66892 Mon Sep 17 00:00:00 2001 From: Fabrizio Castro Date: Mon, 12 Feb 2018 17:44:24 +0000 Subject: clk: renesas: r8a7743: Add rwdt clock Add "rwdt" clock to r8a7743_mod_clks. Also, since we may need to access the watchdog registers at any time, declare the clock as critical. Signed-off-by: Fabrizio Castro Signed-off-by: Ramesh Shanmugasundaram Reviewed-by: Wolfram Sang Signed-off-by: Geert Uytterhoeven --- drivers/clk/renesas/r8a7743-cpg-mssr.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/clk') diff --git a/drivers/clk/renesas/r8a7743-cpg-mssr.c b/drivers/clk/renesas/r8a7743-cpg-mssr.c index 6dc0b3082aa6..d3c8b1e2969f 100644 --- a/drivers/clk/renesas/r8a7743-cpg-mssr.c +++ b/drivers/clk/renesas/r8a7743-cpg-mssr.c @@ -117,6 +117,7 @@ static const struct mssr_mod_clk r8a7743_mod_clks[] __initconst = { DEF_MOD("cmt1", 329, R8A7743_CLK_R), DEF_MOD("usbhs-dmac0", 330, R8A7743_CLK_HP), DEF_MOD("usbhs-dmac1", 331, R8A7743_CLK_HP), + DEF_MOD("rwdt", 402, R8A7743_CLK_R), DEF_MOD("irqc", 407, R8A7743_CLK_CP), DEF_MOD("intc-sys", 408, R8A7743_CLK_ZS), DEF_MOD("audio-dmac1", 501, R8A7743_CLK_HP), @@ -195,6 +196,7 @@ static const struct mssr_mod_clk r8a7743_mod_clks[] __initconst = { }; static const unsigned int r8a7743_crit_mod_clks[] __initconst = { + MOD_CLK_ID(402), /* RWDT */ MOD_CLK_ID(408), /* INTC-SYS (GIC) */ }; -- cgit v1.2.3 From e0c0a2c4a2bc7c2959d19600ccd03eec4b27c4be Mon Sep 17 00:00:00 2001 From: Fabrizio Castro Date: Mon, 12 Feb 2018 17:44:25 +0000 Subject: clk: renesas: r8a7745: Add rwdt clock Add "rwdt" clock to r8a7745_mod_clks. Also, since we may need to access the watchdog registers at any time, declare the clock as critical. Signed-off-by: Fabrizio Castro Signed-off-by: Ramesh Shanmugasundaram Reviewed-by: Wolfram Sang Signed-off-by: Geert Uytterhoeven --- drivers/clk/renesas/r8a7745-cpg-mssr.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/clk') diff --git a/drivers/clk/renesas/r8a7745-cpg-mssr.c b/drivers/clk/renesas/r8a7745-cpg-mssr.c index 2859504cc866..87f5a3619e4f 100644 --- a/drivers/clk/renesas/r8a7745-cpg-mssr.c +++ b/drivers/clk/renesas/r8a7745-cpg-mssr.c @@ -114,6 +114,7 @@ static const struct mssr_mod_clk r8a7745_mod_clks[] __initconst = { DEF_MOD("cmt1", 329, R8A7745_CLK_R), DEF_MOD("usbhs-dmac0", 330, R8A7745_CLK_HP), DEF_MOD("usbhs-dmac1", 331, R8A7745_CLK_HP), + DEF_MOD("rwdt", 402, R8A7745_CLK_R), DEF_MOD("irqc", 407, R8A7745_CLK_CP), DEF_MOD("intc-sys", 408, R8A7745_CLK_ZS), DEF_MOD("audio-dmac0", 502, R8A7745_CLK_HP), @@ -180,6 +181,7 @@ static const struct mssr_mod_clk r8a7745_mod_clks[] __initconst = { }; static const unsigned int r8a7745_crit_mod_clks[] __initconst = { + MOD_CLK_ID(402), /* RWDT */ MOD_CLK_ID(408), /* INTC-SYS (GIC) */ }; -- cgit v1.2.3 From 30c288bbf55c1356fd939b158a17c8e8612bdc11 Mon Sep 17 00:00:00 2001 From: Fabrizio Castro Date: Mon, 12 Feb 2018 17:44:26 +0000 Subject: clk: renesas: r8a7790: Add rwdt clock Add "rwdt" clock to r8a7790_mod_clks. Also, since we may need to access the watchdog registers at any time, declare the clock as critical. Signed-off-by: Fabrizio Castro Signed-off-by: Ramesh Shanmugasundaram Reviewed-by: Wolfram Sang Signed-off-by: Geert Uytterhoeven --- drivers/clk/renesas/r8a7790-cpg-mssr.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/clk') diff --git a/drivers/clk/renesas/r8a7790-cpg-mssr.c b/drivers/clk/renesas/r8a7790-cpg-mssr.c index 46bb55bb223d..f936cb74b681 100644 --- a/drivers/clk/renesas/r8a7790-cpg-mssr.c +++ b/drivers/clk/renesas/r8a7790-cpg-mssr.c @@ -140,6 +140,7 @@ static const struct mssr_mod_clk r8a7790_mod_clks[] __initconst = { DEF_MOD("cmt1", 329, R8A7790_CLK_R), DEF_MOD("usbhs-dmac0", 330, R8A7790_CLK_HP), DEF_MOD("usbhs-dmac1", 331, R8A7790_CLK_HP), + DEF_MOD("rwdt", 402, R8A7790_CLK_R), DEF_MOD("irqc", 407, R8A7790_CLK_CP), DEF_MOD("intc-sys", 408, R8A7790_CLK_ZS), DEF_MOD("audio-dmac1", 501, R8A7790_CLK_HP), @@ -211,6 +212,7 @@ static const struct mssr_mod_clk r8a7790_mod_clks[] __initconst = { }; static const unsigned int r8a7790_crit_mod_clks[] __initconst = { + MOD_CLK_ID(402), /* RWDT */ MOD_CLK_ID(408), /* INTC-SYS (GIC) */ }; -- cgit v1.2.3 From 5ada6bee8c966bf7bdc23512d1571adaeea22f0b Mon Sep 17 00:00:00 2001 From: Fabrizio Castro Date: Mon, 12 Feb 2018 17:44:27 +0000 Subject: clk: renesas: r8a7791/r8a7793: Add rwdt clock Add "rwdt" clock to r8a7791_mod_clks. Also, since we may need to access the watchdog registers at any time, declare the clock as critical. Signed-off-by: Fabrizio Castro Signed-off-by: Ramesh Shanmugasundaram Reviewed-by: Wolfram Sang Signed-off-by: Geert Uytterhoeven --- drivers/clk/renesas/r8a7791-cpg-mssr.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/clk') diff --git a/drivers/clk/renesas/r8a7791-cpg-mssr.c b/drivers/clk/renesas/r8a7791-cpg-mssr.c index c0b51f9bb278..820b220b09cc 100644 --- a/drivers/clk/renesas/r8a7791-cpg-mssr.c +++ b/drivers/clk/renesas/r8a7791-cpg-mssr.c @@ -128,6 +128,7 @@ static const struct mssr_mod_clk r8a7791_mod_clks[] __initconst = { DEF_MOD("cmt1", 329, R8A7791_CLK_R), DEF_MOD("usbhs-dmac0", 330, R8A7791_CLK_HP), DEF_MOD("usbhs-dmac1", 331, R8A7791_CLK_HP), + DEF_MOD("rwdt", 402, R8A7791_CLK_R), DEF_MOD("irqc", 407, R8A7791_CLK_CP), DEF_MOD("intc-sys", 408, R8A7791_CLK_ZS), DEF_MOD("audio-dmac1", 501, R8A7791_CLK_HP), @@ -209,6 +210,7 @@ static const struct mssr_mod_clk r8a7791_mod_clks[] __initconst = { }; static const unsigned int r8a7791_crit_mod_clks[] __initconst = { + MOD_CLK_ID(402), /* RWDT */ MOD_CLK_ID(408), /* INTC-SYS (GIC) */ }; -- cgit v1.2.3 From c43d8630fe1a6bb09e005d38793346d989aa4dad Mon Sep 17 00:00:00 2001 From: Fabrizio Castro Date: Mon, 12 Feb 2018 17:44:28 +0000 Subject: clk: renesas: r8a7794: Add rwdt clock Add "rwdt" clock to r8a7794_mod_clks. Also, since we may need to access the watchdog registers at any time, declare the clock as critical. Signed-off-by: Fabrizio Castro Signed-off-by: Ramesh Shanmugasundaram Reviewed-by: Wolfram Sang Signed-off-by: Geert Uytterhoeven --- drivers/clk/renesas/r8a7794-cpg-mssr.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/clk') diff --git a/drivers/clk/renesas/r8a7794-cpg-mssr.c b/drivers/clk/renesas/r8a7794-cpg-mssr.c index ec091a42da54..2a40bbeaeeaf 100644 --- a/drivers/clk/renesas/r8a7794-cpg-mssr.c +++ b/drivers/clk/renesas/r8a7794-cpg-mssr.c @@ -121,6 +121,7 @@ static const struct mssr_mod_clk r8a7794_mod_clks[] __initconst = { DEF_MOD("cmt1", 329, R8A7794_CLK_R), DEF_MOD("usbhs-dmac0", 330, R8A7794_CLK_HP), DEF_MOD("usbhs-dmac1", 331, R8A7794_CLK_HP), + DEF_MOD("rwdt", 402, R8A7794_CLK_R), DEF_MOD("irqc", 407, R8A7794_CLK_CP), DEF_MOD("intc-sys", 408, R8A7794_CLK_ZS), DEF_MOD("audio-dmac0", 502, R8A7794_CLK_HP), @@ -190,6 +191,7 @@ static const struct mssr_mod_clk r8a7794_mod_clks[] __initconst = { }; static const unsigned int r8a7794_crit_mod_clks[] __initconst = { + MOD_CLK_ID(402), /* RWDT */ MOD_CLK_ID(408), /* INTC-SYS (GIC) */ }; -- cgit v1.2.3 From 20254c7cea447d2ffba17046e3e80da667d742d3 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Wed, 7 Feb 2018 16:43:23 +0100 Subject: clk: renesas: r8a7792: Add rwdt clock Add "rwdt" clock to r8a7792_mod_clks. Also, since we may need to access the watchdog registers at any time, declare the clock as critical. Signed-off-by: Geert Uytterhoeven Acked-by: Fabrizio Castro --- drivers/clk/renesas/r8a7792-cpg-mssr.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/clk') diff --git a/drivers/clk/renesas/r8a7792-cpg-mssr.c b/drivers/clk/renesas/r8a7792-cpg-mssr.c index 7f85bbf20bf7..609a54080496 100644 --- a/drivers/clk/renesas/r8a7792-cpg-mssr.c +++ b/drivers/clk/renesas/r8a7792-cpg-mssr.c @@ -98,6 +98,7 @@ static const struct mssr_mod_clk r8a7792_mod_clks[] __initconst = { DEF_MOD("tpu0", 304, R8A7792_CLK_CP), DEF_MOD("sdhi0", 314, R8A7792_CLK_SD), DEF_MOD("cmt1", 329, R8A7792_CLK_R), + DEF_MOD("rwdt", 402, R8A7792_CLK_R), DEF_MOD("irqc", 407, R8A7792_CLK_CP), DEF_MOD("intc-sys", 408, R8A7792_CLK_ZS), DEF_MOD("audio-dmac0", 502, R8A7792_CLK_HP), @@ -154,6 +155,7 @@ static const struct mssr_mod_clk r8a7792_mod_clks[] __initconst = { }; static const unsigned int r8a7792_crit_mod_clks[] __initconst = { + MOD_CLK_ID(402), /* RWDT */ MOD_CLK_ID(408), /* INTC-SYS (GIC) */ }; -- cgit v1.2.3 From ce15783c510a9905545e7708345454c38b725dd8 Mon Sep 17 00:00:00 2001 From: Sergei Shtylyov Date: Thu, 15 Feb 2018 14:58:45 +0300 Subject: clk: renesas: cpg-mssr: add R8A77980 support Add R-Car V3H (R8A77980) Clock Pulse Generator / Module Standby and Software Reset support, using the CPG/MSSR driver core and the common R-Car Gen3 code. Based on the original (and large) patch by Vladimir Barinov. Signed-off-by: Vladimir Barinov Signed-off-by: Sergei Shtylyov Reviewed-by: Rob Herring Reviewed-by: Simon Horman Signed-off-by: Geert Uytterhoeven --- drivers/clk/renesas/Kconfig | 5 + drivers/clk/renesas/Makefile | 1 + drivers/clk/renesas/r8a77980-cpg-mssr.c | 227 ++++++++++++++++++++++++++++++++ drivers/clk/renesas/renesas-cpg-mssr.c | 6 + drivers/clk/renesas/renesas-cpg-mssr.h | 1 + 5 files changed, 240 insertions(+) create mode 100644 drivers/clk/renesas/r8a77980-cpg-mssr.c (limited to 'drivers/clk') diff --git a/drivers/clk/renesas/Kconfig b/drivers/clk/renesas/Kconfig index 84b40b95ca0e..43bab4f9c4e2 100644 --- a/drivers/clk/renesas/Kconfig +++ b/drivers/clk/renesas/Kconfig @@ -16,6 +16,7 @@ config CLK_RENESAS select CLK_R8A7795 if ARCH_R8A7795 select CLK_R8A7796 if ARCH_R8A7796 select CLK_R8A77970 if ARCH_R8A77970 + select CLK_R8A77980 if ARCH_R8A77980 select CLK_R8A77995 if ARCH_R8A77995 select CLK_SH73A0 if ARCH_SH73A0 @@ -101,6 +102,10 @@ config CLK_R8A77970 bool "R-Car V3M clock support" if COMPILE_TEST select CLK_RCAR_GEN3_CPG +config CLK_R8A77980 + bool "R-Car V3H clock support" if COMPILE_TEST + select CLK_RCAR_GEN3_CPG + config CLK_R8A77995 bool "R-Car D3 clock support" if COMPILE_TEST select CLK_RCAR_GEN3_CPG diff --git a/drivers/clk/renesas/Makefile b/drivers/clk/renesas/Makefile index 34c4e0b37afa..e20fa195d107 100644 --- a/drivers/clk/renesas/Makefile +++ b/drivers/clk/renesas/Makefile @@ -15,6 +15,7 @@ obj-$(CONFIG_CLK_R8A7794) += r8a7794-cpg-mssr.o obj-$(CONFIG_CLK_R8A7795) += r8a7795-cpg-mssr.o obj-$(CONFIG_CLK_R8A7796) += r8a7796-cpg-mssr.o obj-$(CONFIG_CLK_R8A77970) += r8a77970-cpg-mssr.o +obj-$(CONFIG_CLK_R8A77980) += r8a77980-cpg-mssr.o obj-$(CONFIG_CLK_R8A77995) += r8a77995-cpg-mssr.o obj-$(CONFIG_CLK_SH73A0) += clk-sh73a0.o diff --git a/drivers/clk/renesas/r8a77980-cpg-mssr.c b/drivers/clk/renesas/r8a77980-cpg-mssr.c new file mode 100644 index 000000000000..7aaae73a321a --- /dev/null +++ b/drivers/clk/renesas/r8a77980-cpg-mssr.c @@ -0,0 +1,227 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * r8a77980 Clock Pulse Generator / Module Standby and Software Reset + * + * Copyright (C) 2018 Renesas Electronics Corp. + * Copyright (C) 2018 Cogent Embedded, Inc. + * + * Based on r8a7795-cpg-mssr.c + * + * Copyright (C) 2015 Glider bvba + */ + +#include +#include +#include +#include +#include + +#include + +#include "renesas-cpg-mssr.h" +#include "rcar-gen3-cpg.h" + +enum clk_ids { + /* Core Clock Outputs exported to DT */ + LAST_DT_CORE_CLK = R8A77980_CLK_OSC, + + /* External Input Clocks */ + CLK_EXTAL, + CLK_EXTALR, + + /* Internal Core Clocks */ + CLK_MAIN, + CLK_PLL1, + CLK_PLL2, + CLK_PLL3, + CLK_PLL1_DIV2, + CLK_PLL1_DIV4, + CLK_S0, + CLK_S1, + CLK_S2, + CLK_S3, + CLK_SDSRC, + + /* Module Clocks */ + MOD_CLK_BASE +}; + +static const struct cpg_core_clk r8a77980_core_clks[] __initconst = { + /* External Clock Inputs */ + DEF_INPUT("extal", CLK_EXTAL), + DEF_INPUT("extalr", CLK_EXTALR), + + /* Internal Core Clocks */ + DEF_BASE(".main", CLK_MAIN, CLK_TYPE_GEN3_MAIN, CLK_EXTAL), + DEF_BASE(".pll1", CLK_PLL1, CLK_TYPE_GEN3_PLL1, CLK_MAIN), + DEF_BASE(".pll2", CLK_PLL2, CLK_TYPE_GEN3_PLL2, CLK_MAIN), + DEF_BASE(".pll3", CLK_PLL3, CLK_TYPE_GEN3_PLL3, CLK_MAIN), + + DEF_FIXED(".pll1_div2", CLK_PLL1_DIV2, CLK_PLL1, 2, 1), + DEF_FIXED(".pll1_div4", CLK_PLL1_DIV4, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED(".s0", CLK_S0, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED(".s1", CLK_S1, CLK_PLL1_DIV2, 3, 1), + DEF_FIXED(".s2", CLK_S2, CLK_PLL1_DIV2, 4, 1), + DEF_FIXED(".s3", CLK_S3, CLK_PLL1_DIV2, 6, 1), + DEF_FIXED(".sdsrc", CLK_SDSRC, CLK_PLL1_DIV2, 2, 1), + + /* Core Clock Outputs */ + DEF_FIXED("ztr", R8A77980_CLK_ZTR, CLK_PLL1_DIV2, 6, 1), + DEF_FIXED("ztrd2", R8A77980_CLK_ZTRD2, CLK_PLL1_DIV2, 12, 1), + DEF_FIXED("zt", R8A77980_CLK_ZT, CLK_PLL1_DIV2, 4, 1), + DEF_FIXED("zx", R8A77980_CLK_ZX, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED("s0d1", R8A77980_CLK_S0D1, CLK_S0, 1, 1), + DEF_FIXED("s0d2", R8A77980_CLK_S0D2, CLK_S0, 2, 1), + DEF_FIXED("s0d3", R8A77980_CLK_S0D3, CLK_S0, 3, 1), + DEF_FIXED("s0d4", R8A77980_CLK_S0D4, CLK_S0, 4, 1), + DEF_FIXED("s0d6", R8A77980_CLK_S0D6, CLK_S0, 6, 1), + DEF_FIXED("s0d12", R8A77980_CLK_S0D12, CLK_S0, 12, 1), + DEF_FIXED("s0d24", R8A77980_CLK_S0D24, CLK_S0, 24, 1), + DEF_FIXED("s1d1", R8A77980_CLK_S1D1, CLK_S1, 1, 1), + DEF_FIXED("s1d2", R8A77980_CLK_S1D2, CLK_S1, 2, 1), + DEF_FIXED("s1d4", R8A77980_CLK_S1D4, CLK_S1, 4, 1), + DEF_FIXED("s2d1", R8A77980_CLK_S2D1, CLK_S2, 1, 1), + DEF_FIXED("s2d2", R8A77980_CLK_S2D2, CLK_S2, 2, 1), + DEF_FIXED("s2d4", R8A77980_CLK_S2D4, CLK_S2, 4, 1), + DEF_FIXED("s3d1", R8A77980_CLK_S3D1, CLK_S3, 1, 1), + DEF_FIXED("s3d2", R8A77980_CLK_S3D2, CLK_S3, 2, 1), + DEF_FIXED("s3d4", R8A77980_CLK_S3D4, CLK_S3, 4, 1), + + DEF_GEN3_SD("sd0", R8A77980_CLK_SD0, CLK_SDSRC, 0x0074), + + DEF_FIXED("cl", R8A77980_CLK_CL, CLK_PLL1_DIV2, 48, 1), + DEF_FIXED("cp", R8A77980_CLK_CP, CLK_EXTAL, 2, 1), + DEF_FIXED("cpex", R8A77980_CLK_CPEX, CLK_EXTAL, 2, 1), + + DEF_DIV6P1("canfd", R8A77980_CLK_CANFD, CLK_PLL1_DIV4, 0x244), + DEF_DIV6P1("csi0", R8A77980_CLK_CSI0, CLK_PLL1_DIV4, 0x00c), + DEF_DIV6P1("mso", R8A77980_CLK_MSO, CLK_PLL1_DIV4, 0x014), +}; + +static const struct mssr_mod_clk r8a77980_mod_clks[] __initconst = { + DEF_MOD("tmu4", 121, R8A77980_CLK_S0D6), + DEF_MOD("tmu3", 122, R8A77980_CLK_S0D6), + DEF_MOD("tmu2", 123, R8A77980_CLK_S0D6), + DEF_MOD("tmu1", 124, R8A77980_CLK_S0D6), + DEF_MOD("tmu0", 125, R8A77980_CLK_CP), + DEF_MOD("scif4", 203, R8A77980_CLK_S3D4), + DEF_MOD("scif3", 204, R8A77980_CLK_S3D4), + DEF_MOD("scif1", 206, R8A77980_CLK_S3D4), + DEF_MOD("scif0", 207, R8A77980_CLK_S3D4), + DEF_MOD("msiof3", 208, R8A77980_CLK_MSO), + DEF_MOD("msiof2", 209, R8A77980_CLK_MSO), + DEF_MOD("msiof1", 210, R8A77980_CLK_MSO), + DEF_MOD("msiof0", 211, R8A77980_CLK_MSO), + DEF_MOD("sys-dmac2", 217, R8A77980_CLK_S0D3), + DEF_MOD("sys-dmac1", 218, R8A77980_CLK_S0D3), + DEF_MOD("tpu0", 304, R8A77980_CLK_S3D4), + DEF_MOD("sdif", 314, R8A77980_CLK_SD0), + DEF_MOD("pciec0", 319, R8A77980_CLK_S3D1), + DEF_MOD("intc-ex", 407, R8A77980_CLK_CP), + DEF_MOD("intc-ap", 408, R8A77980_CLK_S0D3), + DEF_MOD("hscif3", 517, R8A77980_CLK_S3D1), + DEF_MOD("hscif2", 518, R8A77980_CLK_S3D1), + DEF_MOD("hscif1", 519, R8A77980_CLK_S3D1), + DEF_MOD("hscif0", 520, R8A77980_CLK_S3D1), + DEF_MOD("imp4", 521, R8A77980_CLK_S1D1), + DEF_MOD("thermal", 522, R8A77980_CLK_CP), + DEF_MOD("pwm", 523, R8A77980_CLK_S0D12), + DEF_MOD("impdma1", 526, R8A77980_CLK_S1D1), + DEF_MOD("impdma0", 527, R8A77980_CLK_S1D1), + DEF_MOD("imp-ocv4", 528, R8A77980_CLK_S1D1), + DEF_MOD("imp-ocv3", 529, R8A77980_CLK_S1D1), + DEF_MOD("imp-ocv2", 531, R8A77980_CLK_S1D1), + DEF_MOD("fcpvd0", 603, R8A77980_CLK_S3D1), + DEF_MOD("vspd0", 623, R8A77980_CLK_S3D1), + DEF_MOD("csi41", 715, R8A77980_CLK_CSI0), + DEF_MOD("csi40", 716, R8A77980_CLK_CSI0), + DEF_MOD("du0", 724, R8A77980_CLK_S2D1), + DEF_MOD("lvds", 727, R8A77980_CLK_S2D1), + DEF_MOD("etheravb", 812, R8A77980_CLK_S3D2), + DEF_MOD("gether", 813, R8A77980_CLK_S3D2), + DEF_MOD("imp3", 824, R8A77980_CLK_S1D1), + DEF_MOD("imp2", 825, R8A77980_CLK_S1D1), + DEF_MOD("imp1", 826, R8A77980_CLK_S1D1), + DEF_MOD("imp0", 827, R8A77980_CLK_S1D1), + DEF_MOD("imp-ocv1", 828, R8A77980_CLK_S1D1), + DEF_MOD("imp-ocv0", 829, R8A77980_CLK_S1D1), + DEF_MOD("impram", 830, R8A77980_CLK_S1D1), + DEF_MOD("impcnn", 831, R8A77980_CLK_S1D1), + DEF_MOD("gpio5", 907, R8A77980_CLK_CP), + DEF_MOD("gpio4", 908, R8A77980_CLK_CP), + DEF_MOD("gpio3", 909, R8A77980_CLK_CP), + DEF_MOD("gpio2", 910, R8A77980_CLK_CP), + DEF_MOD("gpio1", 911, R8A77980_CLK_CP), + DEF_MOD("gpio0", 912, R8A77980_CLK_CP), + DEF_MOD("can-fd", 914, R8A77980_CLK_S3D2), + DEF_MOD("i2c4", 927, R8A77980_CLK_S0D6), + DEF_MOD("i2c3", 928, R8A77980_CLK_S0D6), + DEF_MOD("i2c2", 929, R8A77980_CLK_S3D2), + DEF_MOD("i2c1", 930, R8A77980_CLK_S3D2), + DEF_MOD("i2c0", 931, R8A77980_CLK_S3D2), +}; + +static const unsigned int r8a77980_crit_mod_clks[] __initconst = { + MOD_CLK_ID(408), /* INTC-AP (GIC) */ +}; + + +/* + * CPG Clock Data + */ + +/* + * MD EXTAL PLL2 PLL1 PLL3 + * 14 13 (MHz) + * -------------------------------------------------- + * 0 0 16.66 x 1 x240 x192 x192 + * 0 1 20 x 1 x200 x160 x160 + * 1 0 27 x 1 x148 x118 x118 + * 1 1 33.33 / 2 x240 x192 x192 + */ +#define CPG_PLL_CONFIG_INDEX(md) ((((md) & BIT(14)) >> 13) | \ + (((md) & BIT(13)) >> 13)) + +static const struct rcar_gen3_cpg_pll_config cpg_pll_configs[4] __initconst = { + /* EXTAL div PLL1 mult/div PLL3 mult/div */ + { 1, 192, 1, 192, 1, }, + { 1, 160, 1, 160, 1, }, + { 1, 118, 1, 118, 1, }, + { 2, 192, 1, 192, 1, }, +}; + +static int __init r8a77980_cpg_mssr_init(struct device *dev) +{ + const struct rcar_gen3_cpg_pll_config *cpg_pll_config; + u32 cpg_mode; + int error; + + error = rcar_rst_read_mode_pins(&cpg_mode); + if (error) + return error; + + cpg_pll_config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)]; + + return rcar_gen3_cpg_init(cpg_pll_config, CLK_EXTALR, cpg_mode); +} + +const struct cpg_mssr_info r8a77980_cpg_mssr_info __initconst = { + /* Core Clocks */ + .core_clks = r8a77980_core_clks, + .num_core_clks = ARRAY_SIZE(r8a77980_core_clks), + .last_dt_core_clk = LAST_DT_CORE_CLK, + .num_total_core_clks = MOD_CLK_BASE, + + /* Module Clocks */ + .mod_clks = r8a77980_mod_clks, + .num_mod_clks = ARRAY_SIZE(r8a77980_mod_clks), + .num_hw_mod_clks = 12 * 32, + + /* Critical Module Clocks */ + .crit_mod_clks = r8a77980_crit_mod_clks, + .num_crit_mod_clks = ARRAY_SIZE(r8a77980_crit_mod_clks), + + /* Callbacks */ + .init = r8a77980_cpg_mssr_init, + .cpg_clk_register = rcar_gen3_cpg_clk_register, +}; diff --git a/drivers/clk/renesas/renesas-cpg-mssr.c b/drivers/clk/renesas/renesas-cpg-mssr.c index e3cc72c81311..aadfa6df6c4d 100644 --- a/drivers/clk/renesas/renesas-cpg-mssr.c +++ b/drivers/clk/renesas/renesas-cpg-mssr.c @@ -699,6 +699,12 @@ static const struct of_device_id cpg_mssr_match[] = { .data = &r8a77970_cpg_mssr_info, }, #endif +#ifdef CONFIG_ARCH_R8A77980 + { + .compatible = "renesas,r8a77980-cpg-mssr", + .data = &r8a77980_cpg_mssr_info, + }, +#endif #ifdef CONFIG_CLK_R8A77995 { .compatible = "renesas,r8a77995-cpg-mssr", diff --git a/drivers/clk/renesas/renesas-cpg-mssr.h b/drivers/clk/renesas/renesas-cpg-mssr.h index 0745b0930308..143293e3d193 100644 --- a/drivers/clk/renesas/renesas-cpg-mssr.h +++ b/drivers/clk/renesas/renesas-cpg-mssr.h @@ -140,6 +140,7 @@ extern const struct cpg_mssr_info r8a7794_cpg_mssr_info; extern const struct cpg_mssr_info r8a7795_cpg_mssr_info; extern const struct cpg_mssr_info r8a7796_cpg_mssr_info; extern const struct cpg_mssr_info r8a77970_cpg_mssr_info; +extern const struct cpg_mssr_info r8a77980_cpg_mssr_info; extern const struct cpg_mssr_info r8a77995_cpg_mssr_info; -- cgit v1.2.3 From 7ce36da900c0a2ff4777d9ba51c4f1cb74205463 Mon Sep 17 00:00:00 2001 From: Jacopo Mondi Date: Tue, 20 Feb 2018 16:12:03 +0100 Subject: clk: renesas: cpg-mssr: Add support for R-Car M3-N Initial support for R-Car M3-N (r8a77965), including core and module clocks. Based on Table 8.2d of "R-Car Series, 3rd Generation User's Manual: Hardware (Rev. 0.80, Oct 31, 2017)". Signed-off-by: Jacopo Mondi Signed-off-by: Geert Uytterhoeven --- drivers/clk/renesas/Kconfig | 5 + drivers/clk/renesas/Makefile | 1 + drivers/clk/renesas/r8a77965-cpg-mssr.c | 334 ++++++++++++++++++++++++++++++++ drivers/clk/renesas/renesas-cpg-mssr.c | 6 + drivers/clk/renesas/renesas-cpg-mssr.h | 1 + 5 files changed, 347 insertions(+) create mode 100644 drivers/clk/renesas/r8a77965-cpg-mssr.c (limited to 'drivers/clk') diff --git a/drivers/clk/renesas/Kconfig b/drivers/clk/renesas/Kconfig index 43bab4f9c4e2..ef76c861ec84 100644 --- a/drivers/clk/renesas/Kconfig +++ b/drivers/clk/renesas/Kconfig @@ -15,6 +15,7 @@ config CLK_RENESAS select CLK_R8A7794 if ARCH_R8A7794 select CLK_R8A7795 if ARCH_R8A7795 select CLK_R8A7796 if ARCH_R8A7796 + select CLK_R8A77965 if ARCH_R8A77965 select CLK_R8A77970 if ARCH_R8A77970 select CLK_R8A77980 if ARCH_R8A77980 select CLK_R8A77995 if ARCH_R8A77995 @@ -98,6 +99,10 @@ config CLK_R8A7796 bool "R-Car M3-W clock support" if COMPILE_TEST select CLK_RCAR_GEN3_CPG +config CLK_R8A77965 + bool "R-Car M3-N clock support" if COMPILE_TEST + select CLK_RCAR_GEN3_CPG + config CLK_R8A77970 bool "R-Car V3M clock support" if COMPILE_TEST select CLK_RCAR_GEN3_CPG diff --git a/drivers/clk/renesas/Makefile b/drivers/clk/renesas/Makefile index e20fa195d107..6c0f19636e3e 100644 --- a/drivers/clk/renesas/Makefile +++ b/drivers/clk/renesas/Makefile @@ -14,6 +14,7 @@ obj-$(CONFIG_CLK_R8A7792) += r8a7792-cpg-mssr.o obj-$(CONFIG_CLK_R8A7794) += r8a7794-cpg-mssr.o obj-$(CONFIG_CLK_R8A7795) += r8a7795-cpg-mssr.o obj-$(CONFIG_CLK_R8A7796) += r8a7796-cpg-mssr.o +obj-$(CONFIG_CLK_R8A77965) += r8a77965-cpg-mssr.o obj-$(CONFIG_CLK_R8A77970) += r8a77970-cpg-mssr.o obj-$(CONFIG_CLK_R8A77980) += r8a77980-cpg-mssr.o obj-$(CONFIG_CLK_R8A77995) += r8a77995-cpg-mssr.o diff --git a/drivers/clk/renesas/r8a77965-cpg-mssr.c b/drivers/clk/renesas/r8a77965-cpg-mssr.c new file mode 100644 index 000000000000..41e506ab557d --- /dev/null +++ b/drivers/clk/renesas/r8a77965-cpg-mssr.c @@ -0,0 +1,334 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * r8a77965 Clock Pulse Generator / Module Standby and Software Reset + * + * Copyright (C) 2018 Jacopo Mondi + * + * Based on r8a7795-cpg-mssr.c + * + * Copyright (C) 2015 Glider bvba + * Copyright (C) 2015 Renesas Electronics Corp. + */ + +#include +#include +#include +#include + +#include + +#include "renesas-cpg-mssr.h" +#include "rcar-gen3-cpg.h" + +enum clk_ids { + /* Core Clock Outputs exported to DT */ + LAST_DT_CORE_CLK = R8A77965_CLK_OSC, + + /* External Input Clocks */ + CLK_EXTAL, + CLK_EXTALR, + + /* Internal Core Clocks */ + CLK_MAIN, + CLK_PLL0, + CLK_PLL1, + CLK_PLL3, + CLK_PLL4, + CLK_PLL1_DIV2, + CLK_PLL1_DIV4, + CLK_S0, + CLK_S1, + CLK_S2, + CLK_S3, + CLK_SDSRC, + CLK_SSPSRC, + CLK_RINT, + + /* Module Clocks */ + MOD_CLK_BASE +}; + +static const struct cpg_core_clk r8a77965_core_clks[] __initconst = { + /* External Clock Inputs */ + DEF_INPUT("extal", CLK_EXTAL), + DEF_INPUT("extalr", CLK_EXTALR), + + /* Internal Core Clocks */ + DEF_BASE(".main", CLK_MAIN, CLK_TYPE_GEN3_MAIN, CLK_EXTAL), + DEF_BASE(".pll0", CLK_PLL0, CLK_TYPE_GEN3_PLL0, CLK_MAIN), + DEF_BASE(".pll1", CLK_PLL1, CLK_TYPE_GEN3_PLL1, CLK_MAIN), + DEF_BASE(".pll3", CLK_PLL3, CLK_TYPE_GEN3_PLL3, CLK_MAIN), + DEF_BASE(".pll4", CLK_PLL4, CLK_TYPE_GEN3_PLL4, CLK_MAIN), + + DEF_FIXED(".pll1_div2", CLK_PLL1_DIV2, CLK_PLL1, 2, 1), + DEF_FIXED(".pll1_div4", CLK_PLL1_DIV4, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED(".s0", CLK_S0, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED(".s1", CLK_S1, CLK_PLL1_DIV2, 3, 1), + DEF_FIXED(".s2", CLK_S2, CLK_PLL1_DIV2, 4, 1), + DEF_FIXED(".s3", CLK_S3, CLK_PLL1_DIV2, 6, 1), + DEF_FIXED(".sdsrc", CLK_SDSRC, CLK_PLL1_DIV2, 2, 1), + + /* Core Clock Outputs */ + DEF_BASE("z", R8A77965_CLK_Z, CLK_TYPE_GEN3_Z, CLK_PLL0), + DEF_FIXED("ztr", R8A77965_CLK_ZTR, CLK_PLL1_DIV2, 6, 1), + DEF_FIXED("ztrd2", R8A77965_CLK_ZTRD2, CLK_PLL1_DIV2, 12, 1), + DEF_FIXED("zt", R8A77965_CLK_ZT, CLK_PLL1_DIV2, 4, 1), + DEF_FIXED("zx", R8A77965_CLK_ZX, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED("s0d1", R8A77965_CLK_S0D1, CLK_S0, 1, 1), + DEF_FIXED("s0d2", R8A77965_CLK_S0D2, CLK_S0, 2, 1), + DEF_FIXED("s0d3", R8A77965_CLK_S0D3, CLK_S0, 3, 1), + DEF_FIXED("s0d4", R8A77965_CLK_S0D4, CLK_S0, 4, 1), + DEF_FIXED("s0d6", R8A77965_CLK_S0D6, CLK_S0, 6, 1), + DEF_FIXED("s0d8", R8A77965_CLK_S0D8, CLK_S0, 8, 1), + DEF_FIXED("s0d12", R8A77965_CLK_S0D12, CLK_S0, 12, 1), + DEF_FIXED("s1d1", R8A77965_CLK_S1D1, CLK_S1, 1, 1), + DEF_FIXED("s1d2", R8A77965_CLK_S1D2, CLK_S1, 2, 1), + DEF_FIXED("s1d4", R8A77965_CLK_S1D4, CLK_S1, 4, 1), + DEF_FIXED("s2d1", R8A77965_CLK_S2D1, CLK_S2, 1, 1), + DEF_FIXED("s2d2", R8A77965_CLK_S2D2, CLK_S2, 2, 1), + DEF_FIXED("s2d4", R8A77965_CLK_S2D4, CLK_S2, 4, 1), + DEF_FIXED("s3d1", R8A77965_CLK_S3D1, CLK_S3, 1, 1), + DEF_FIXED("s3d2", R8A77965_CLK_S3D2, CLK_S3, 2, 1), + DEF_FIXED("s3d4", R8A77965_CLK_S3D4, CLK_S3, 4, 1), + + DEF_GEN3_SD("sd0", R8A77965_CLK_SD0, CLK_SDSRC, 0x074), + DEF_GEN3_SD("sd1", R8A77965_CLK_SD1, CLK_SDSRC, 0x078), + DEF_GEN3_SD("sd2", R8A77965_CLK_SD2, CLK_SDSRC, 0x268), + DEF_GEN3_SD("sd3", R8A77965_CLK_SD3, CLK_SDSRC, 0x26c), + + DEF_FIXED("cl", R8A77965_CLK_CL, CLK_PLL1_DIV2, 48, 1), + DEF_FIXED("cp", R8A77965_CLK_CP, CLK_EXTAL, 2, 1), + + DEF_DIV6P1("canfd", R8A77965_CLK_CANFD, CLK_PLL1_DIV4, 0x244), + DEF_DIV6P1("csi0", R8A77965_CLK_CSI0, CLK_PLL1_DIV4, 0x00c), + DEF_DIV6P1("mso", R8A77965_CLK_MSO, CLK_PLL1_DIV4, 0x014), + DEF_DIV6P1("hdmi", R8A77965_CLK_HDMI, CLK_PLL1_DIV4, 0x250), + + DEF_DIV6_RO("osc", R8A77965_CLK_OSC, CLK_EXTAL, CPG_RCKCR, 8), + DEF_DIV6_RO("r_int", CLK_RINT, CLK_EXTAL, CPG_RCKCR, 32), + + DEF_BASE("r", R8A77965_CLK_R, CLK_TYPE_GEN3_R, CLK_RINT), +}; + +static const struct mssr_mod_clk r8a77965_mod_clks[] __initconst = { + DEF_MOD("scif5", 202, R8A77965_CLK_S3D4), + DEF_MOD("scif4", 203, R8A77965_CLK_S3D4), + DEF_MOD("scif3", 204, R8A77965_CLK_S3D4), + DEF_MOD("scif1", 206, R8A77965_CLK_S3D4), + DEF_MOD("scif0", 207, R8A77965_CLK_S3D4), + DEF_MOD("sys-dmac2", 217, R8A77965_CLK_S0D3), + DEF_MOD("sys-dmac1", 218, R8A77965_CLK_S0D3), + DEF_MOD("sys-dmac0", 219, R8A77965_CLK_S0D3), + + DEF_MOD("cmt3", 300, R8A77965_CLK_R), + DEF_MOD("cmt2", 301, R8A77965_CLK_R), + DEF_MOD("cmt1", 302, R8A77965_CLK_R), + DEF_MOD("cmt0", 303, R8A77965_CLK_R), + DEF_MOD("scif2", 310, R8A77965_CLK_S3D4), + DEF_MOD("sdif3", 311, R8A77965_CLK_SD3), + DEF_MOD("sdif2", 312, R8A77965_CLK_SD2), + DEF_MOD("sdif1", 313, R8A77965_CLK_SD1), + DEF_MOD("sdif0", 314, R8A77965_CLK_SD0), + DEF_MOD("pcie1", 318, R8A77965_CLK_S3D1), + DEF_MOD("pcie0", 319, R8A77965_CLK_S3D1), + DEF_MOD("usb3-if0", 328, R8A77965_CLK_S3D1), + DEF_MOD("usb-dmac0", 330, R8A77965_CLK_S3D1), + DEF_MOD("usb-dmac1", 331, R8A77965_CLK_S3D1), + + DEF_MOD("rwdt", 402, R8A77965_CLK_R), + DEF_MOD("intc-ex", 407, R8A77965_CLK_CP), + DEF_MOD("intc-ap", 408, R8A77965_CLK_S0D3), + + DEF_MOD("audmac1", 501, R8A77965_CLK_S0D3), + DEF_MOD("audmac0", 502, R8A77965_CLK_S0D3), + DEF_MOD("drif7", 508, R8A77965_CLK_S3D2), + DEF_MOD("drif6", 509, R8A77965_CLK_S3D2), + DEF_MOD("drif5", 510, R8A77965_CLK_S3D2), + DEF_MOD("drif4", 511, R8A77965_CLK_S3D2), + DEF_MOD("drif3", 512, R8A77965_CLK_S3D2), + DEF_MOD("drif2", 513, R8A77965_CLK_S3D2), + DEF_MOD("drif1", 514, R8A77965_CLK_S3D2), + DEF_MOD("drif0", 515, R8A77965_CLK_S3D2), + DEF_MOD("hscif4", 516, R8A77965_CLK_S3D1), + DEF_MOD("hscif3", 517, R8A77965_CLK_S3D1), + DEF_MOD("hscif2", 518, R8A77965_CLK_S3D1), + DEF_MOD("hscif1", 519, R8A77965_CLK_S3D1), + DEF_MOD("hscif0", 520, R8A77965_CLK_S3D1), + DEF_MOD("thermal", 522, R8A77965_CLK_CP), + DEF_MOD("pwm", 523, R8A77965_CLK_S0D12), + + DEF_MOD("fcpvd1", 602, R8A77965_CLK_S0D2), + DEF_MOD("fcpvd0", 603, R8A77965_CLK_S0D2), + DEF_MOD("fcpvb0", 607, R8A77965_CLK_S0D1), + DEF_MOD("fcpvi0", 611, R8A77965_CLK_S0D1), + DEF_MOD("fcpf0", 615, R8A77965_CLK_S0D1), + DEF_MOD("fcpcs", 619, R8A77965_CLK_S0D2), + DEF_MOD("vspd1", 622, R8A77965_CLK_S0D2), + DEF_MOD("vspd0", 623, R8A77965_CLK_S0D2), + DEF_MOD("vspb", 626, R8A77965_CLK_S0D1), + DEF_MOD("vspi0", 631, R8A77965_CLK_S0D1), + + DEF_MOD("ehci1", 702, R8A77965_CLK_S3D4), + DEF_MOD("ehci0", 703, R8A77965_CLK_S3D4), + DEF_MOD("hsusb", 704, R8A77965_CLK_S3D4), + DEF_MOD("csi20", 714, R8A77965_CLK_CSI0), + DEF_MOD("csi40", 716, R8A77965_CLK_CSI0), + DEF_MOD("du2", 722, R8A77965_CLK_S2D1), + DEF_MOD("du1", 723, R8A77965_CLK_S2D1), + DEF_MOD("du0", 724, R8A77965_CLK_S2D1), + DEF_MOD("lvds", 727, R8A77965_CLK_S2D1), + DEF_MOD("hdmi0", 729, R8A77965_CLK_HDMI), + + DEF_MOD("vin7", 804, R8A77965_CLK_S0D2), + DEF_MOD("vin6", 805, R8A77965_CLK_S0D2), + DEF_MOD("vin5", 806, R8A77965_CLK_S0D2), + DEF_MOD("vin4", 807, R8A77965_CLK_S0D2), + DEF_MOD("vin3", 808, R8A77965_CLK_S0D2), + DEF_MOD("vin2", 809, R8A77965_CLK_S0D2), + DEF_MOD("vin1", 810, R8A77965_CLK_S0D2), + DEF_MOD("vin0", 811, R8A77965_CLK_S0D2), + DEF_MOD("etheravb", 812, R8A77965_CLK_S0D6), + DEF_MOD("imr1", 822, R8A77965_CLK_S0D2), + DEF_MOD("imr0", 823, R8A77965_CLK_S0D2), + + DEF_MOD("gpio7", 905, R8A77965_CLK_S3D4), + DEF_MOD("gpio6", 906, R8A77965_CLK_S3D4), + DEF_MOD("gpio5", 907, R8A77965_CLK_S3D4), + DEF_MOD("gpio4", 908, R8A77965_CLK_S3D4), + DEF_MOD("gpio3", 909, R8A77965_CLK_S3D4), + DEF_MOD("gpio2", 910, R8A77965_CLK_S3D4), + DEF_MOD("gpio1", 911, R8A77965_CLK_S3D4), + DEF_MOD("gpio0", 912, R8A77965_CLK_S3D4), + DEF_MOD("can-fd", 914, R8A77965_CLK_S3D2), + DEF_MOD("can-if1", 915, R8A77965_CLK_S3D4), + DEF_MOD("can-if0", 916, R8A77965_CLK_S3D4), + DEF_MOD("i2c6", 918, R8A77965_CLK_S0D6), + DEF_MOD("i2c5", 919, R8A77965_CLK_S0D6), + DEF_MOD("i2c-dvfs", 926, R8A77965_CLK_CP), + DEF_MOD("i2c4", 927, R8A77965_CLK_S0D6), + DEF_MOD("i2c3", 928, R8A77965_CLK_S0D6), + DEF_MOD("i2c2", 929, R8A77965_CLK_S3D2), + DEF_MOD("i2c1", 930, R8A77965_CLK_S3D2), + DEF_MOD("i2c0", 931, R8A77965_CLK_S3D2), + + DEF_MOD("ssi-all", 1005, R8A77965_CLK_S3D4), + DEF_MOD("ssi9", 1006, MOD_CLK_ID(1005)), + DEF_MOD("ssi8", 1007, MOD_CLK_ID(1005)), + DEF_MOD("ssi7", 1008, MOD_CLK_ID(1005)), + DEF_MOD("ssi6", 1009, MOD_CLK_ID(1005)), + DEF_MOD("ssi5", 1010, MOD_CLK_ID(1005)), + DEF_MOD("ssi4", 1011, MOD_CLK_ID(1005)), + DEF_MOD("ssi3", 1012, MOD_CLK_ID(1005)), + DEF_MOD("ssi2", 1013, MOD_CLK_ID(1005)), + DEF_MOD("ssi1", 1014, MOD_CLK_ID(1005)), + DEF_MOD("ssi0", 1015, MOD_CLK_ID(1005)), + DEF_MOD("scu-all", 1017, R8A77965_CLK_S3D4), + DEF_MOD("scu-dvc1", 1018, MOD_CLK_ID(1017)), + DEF_MOD("scu-dvc0", 1019, MOD_CLK_ID(1017)), + DEF_MOD("scu-ctu1-mix1", 1020, MOD_CLK_ID(1017)), + DEF_MOD("scu-ctu0-mix0", 1021, MOD_CLK_ID(1017)), + DEF_MOD("scu-src9", 1022, MOD_CLK_ID(1017)), + DEF_MOD("scu-src8", 1023, MOD_CLK_ID(1017)), + DEF_MOD("scu-src7", 1024, MOD_CLK_ID(1017)), + DEF_MOD("scu-src6", 1025, MOD_CLK_ID(1017)), + DEF_MOD("scu-src5", 1026, MOD_CLK_ID(1017)), + DEF_MOD("scu-src4", 1027, MOD_CLK_ID(1017)), + DEF_MOD("scu-src3", 1028, MOD_CLK_ID(1017)), + DEF_MOD("scu-src2", 1029, MOD_CLK_ID(1017)), + DEF_MOD("scu-src1", 1030, MOD_CLK_ID(1017)), + DEF_MOD("scu-src0", 1031, MOD_CLK_ID(1017)), +}; + +static const unsigned int r8a77965_crit_mod_clks[] __initconst = { + MOD_CLK_ID(408), /* INTC-AP (GIC) */ +}; + +/* + * CPG Clock Data + */ + +/* + * MD EXTAL PLL0 PLL1 PLL3 PLL4 + * 14 13 19 17 (MHz) + *----------------------------------------------------------- + * 0 0 0 0 16.66 x 1 x180 x192 x192 x144 + * 0 0 0 1 16.66 x 1 x180 x192 x128 x144 + * 0 0 1 0 Prohibited setting + * 0 0 1 1 16.66 x 1 x180 x192 x192 x144 + * 0 1 0 0 20 x 1 x150 x160 x160 x120 + * 0 1 0 1 20 x 1 x150 x160 x106 x120 + * 0 1 1 0 Prohibited setting + * 0 1 1 1 20 x 1 x150 x160 x160 x120 + * 1 0 0 0 25 x 1 x120 x128 x128 x96 + * 1 0 0 1 25 x 1 x120 x128 x84 x96 + * 1 0 1 0 Prohibited setting + * 1 0 1 1 25 x 1 x120 x128 x128 x96 + * 1 1 0 0 33.33 / 2 x180 x192 x192 x144 + * 1 1 0 1 33.33 / 2 x180 x192 x128 x144 + * 1 1 1 0 Prohibited setting + * 1 1 1 1 33.33 / 2 x180 x192 x192 x144 + */ +#define CPG_PLL_CONFIG_INDEX(md) ((((md) & BIT(14)) >> 11) | \ + (((md) & BIT(13)) >> 11) | \ + (((md) & BIT(19)) >> 18) | \ + (((md) & BIT(17)) >> 17)) + +static const struct rcar_gen3_cpg_pll_config cpg_pll_configs[16] __initconst = { + /* EXTAL div PLL1 mult/div PLL3 mult/div */ + { 1, 192, 1, 192, 1, }, + { 1, 192, 1, 128, 1, }, + { 0, /* Prohibited setting */ }, + { 1, 192, 1, 192, 1, }, + { 1, 160, 1, 160, 1, }, + { 1, 160, 1, 106, 1, }, + { 0, /* Prohibited setting */ }, + { 1, 160, 1, 160, 1, }, + { 1, 128, 1, 128, 1, }, + { 1, 128, 1, 84, 1, }, + { 0, /* Prohibited setting */ }, + { 1, 128, 1, 128, 1, }, + { 2, 192, 1, 192, 1, }, + { 2, 192, 1, 128, 1, }, + { 0, /* Prohibited setting */ }, + { 2, 192, 1, 192, 1, }, +}; + +static int __init r8a77965_cpg_mssr_init(struct device *dev) +{ + const struct rcar_gen3_cpg_pll_config *cpg_pll_config; + u32 cpg_mode; + int error; + + error = rcar_rst_read_mode_pins(&cpg_mode); + if (error) + return error; + + cpg_pll_config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)]; + if (!cpg_pll_config->extal_div) { + dev_err(dev, "Prohibited setting (cpg_mode=0x%x)\n", cpg_mode); + return -EINVAL; + } + + return rcar_gen3_cpg_init(cpg_pll_config, CLK_EXTALR, cpg_mode); +}; + +const struct cpg_mssr_info r8a77965_cpg_mssr_info __initconst = { + /* Core Clocks */ + .core_clks = r8a77965_core_clks, + .num_core_clks = ARRAY_SIZE(r8a77965_core_clks), + .last_dt_core_clk = LAST_DT_CORE_CLK, + .num_total_core_clks = MOD_CLK_BASE, + + /* Module Clocks */ + .mod_clks = r8a77965_mod_clks, + .num_mod_clks = ARRAY_SIZE(r8a77965_mod_clks), + .num_hw_mod_clks = 12 * 32, + + /* Critical Module Clocks */ + .crit_mod_clks = r8a77965_crit_mod_clks, + .num_crit_mod_clks = ARRAY_SIZE(r8a77965_crit_mod_clks), + + /* Callbacks */ + .init = r8a77965_cpg_mssr_init, + .cpg_clk_register = rcar_gen3_cpg_clk_register, +}; diff --git a/drivers/clk/renesas/renesas-cpg-mssr.c b/drivers/clk/renesas/renesas-cpg-mssr.c index aadfa6df6c4d..96c678799623 100644 --- a/drivers/clk/renesas/renesas-cpg-mssr.c +++ b/drivers/clk/renesas/renesas-cpg-mssr.c @@ -693,6 +693,12 @@ static const struct of_device_id cpg_mssr_match[] = { .data = &r8a7796_cpg_mssr_info, }, #endif +#ifdef CONFIG_CLK_R8A77965 + { + .compatible = "renesas,r8a77965-cpg-mssr", + .data = &r8a77965_cpg_mssr_info, + }, +#endif #ifdef CONFIG_CLK_R8A77970 { .compatible = "renesas,r8a77970-cpg-mssr", diff --git a/drivers/clk/renesas/renesas-cpg-mssr.h b/drivers/clk/renesas/renesas-cpg-mssr.h index 143293e3d193..97ccb093c10f 100644 --- a/drivers/clk/renesas/renesas-cpg-mssr.h +++ b/drivers/clk/renesas/renesas-cpg-mssr.h @@ -139,6 +139,7 @@ extern const struct cpg_mssr_info r8a7792_cpg_mssr_info; extern const struct cpg_mssr_info r8a7794_cpg_mssr_info; extern const struct cpg_mssr_info r8a7795_cpg_mssr_info; extern const struct cpg_mssr_info r8a7796_cpg_mssr_info; +extern const struct cpg_mssr_info r8a77965_cpg_mssr_info; extern const struct cpg_mssr_info r8a77970_cpg_mssr_info; extern const struct cpg_mssr_info r8a77980_cpg_mssr_info; extern const struct cpg_mssr_info r8a77995_cpg_mssr_info; -- cgit v1.2.3 From 055d56891ea7a6bb39444db58ea30eafa5a1cb40 Mon Sep 17 00:00:00 2001 From: Shawn Guo Date: Wed, 24 Jan 2018 19:48:23 +0800 Subject: clk: hi3798cv200: fix unregister call sequence in error path The unregister call sequence in error path of function hi3798cv200_clk_register() should be opposite to the order of register calls. Let's reverse the call sequence to fix the problem. Signed-off-by: Shawn Guo --- drivers/clk/hisilicon/crg-hi3798cv200.c | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) (limited to 'drivers/clk') diff --git a/drivers/clk/hisilicon/crg-hi3798cv200.c b/drivers/clk/hisilicon/crg-hi3798cv200.c index 8478948e858e..c586c79f4623 100644 --- a/drivers/clk/hisilicon/crg-hi3798cv200.c +++ b/drivers/clk/hisilicon/crg-hi3798cv200.c @@ -202,18 +202,17 @@ static struct hisi_clock_data *hi3798cv200_clk_register( return clk_data; -unregister_fixed_rate: - hisi_clk_unregister_fixed_rate(hi3798cv200_fixed_rate_clks, - ARRAY_SIZE(hi3798cv200_fixed_rate_clks), +unregister_gate: + hisi_clk_unregister_gate(hi3798cv200_gate_clks, + ARRAY_SIZE(hi3798cv200_gate_clks), clk_data); - unregister_mux: hisi_clk_unregister_mux(hi3798cv200_mux_clks, ARRAY_SIZE(hi3798cv200_mux_clks), clk_data); -unregister_gate: - hisi_clk_unregister_gate(hi3798cv200_gate_clks, - ARRAY_SIZE(hi3798cv200_gate_clks), +unregister_fixed_rate: + hisi_clk_unregister_fixed_rate(hi3798cv200_fixed_rate_clks, + ARRAY_SIZE(hi3798cv200_fixed_rate_clks), clk_data); return ERR_PTR(ret); } -- cgit v1.2.3 From 47629f676518f1808dc98c5740a31d8d23c940c7 Mon Sep 17 00:00:00 2001 From: Younian Wang Date: Wed, 24 Jan 2018 19:48:24 +0800 Subject: clk: hi3798cv200: correct IR clock parent The IR clock is sourced from '24m' rather than '100m'. Correct it. Signed-off-by: Younian Wang Signed-off-by: Shawn Guo --- drivers/clk/hisilicon/crg-hi3798cv200.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/clk') diff --git a/drivers/clk/hisilicon/crg-hi3798cv200.c b/drivers/clk/hisilicon/crg-hi3798cv200.c index c586c79f4623..d7d1ba0153ec 100644 --- a/drivers/clk/hisilicon/crg-hi3798cv200.c +++ b/drivers/clk/hisilicon/crg-hi3798cv200.c @@ -244,7 +244,7 @@ static const struct hisi_crg_funcs hi3798cv200_crg_funcs = { #define HI3798CV200_SYSCTRL_NR_CLKS 16 static const struct hisi_gate_clock hi3798cv200_sysctrl_gate_clks[] = { - { HISTB_IR_CLK, "clk_ir", "100m", + { HISTB_IR_CLK, "clk_ir", "24m", CLK_SET_RATE_PARENT, 0x48, 4, 0, }, { HISTB_TIMER01_CLK, "clk_timer01", "24m", CLK_SET_RATE_PARENT, 0x48, 6, 0, }, -- cgit v1.2.3 From 50fd588ae4a6808d9ecd09c3ffe587e306bfa6a9 Mon Sep 17 00:00:00 2001 From: Shawn Guo Date: Wed, 24 Jan 2018 19:48:25 +0800 Subject: clk: hi3798cv200: add support for HISTB_USB2_OTG_UTMI_CLK The clock HISTB_USB2_OTG_UTMI_CLK is defined by device tree bindings in include/dt-bindings/clock/histb-clock.h, but hasn't been supported by hi3798cv200 clock driver. Let's add the support for it. Signed-off-by: Shawn Guo --- drivers/clk/hisilicon/crg-hi3798cv200.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/clk') diff --git a/drivers/clk/hisilicon/crg-hi3798cv200.c b/drivers/clk/hisilicon/crg-hi3798cv200.c index d7d1ba0153ec..6017ade0cd92 100644 --- a/drivers/clk/hisilicon/crg-hi3798cv200.c +++ b/drivers/clk/hisilicon/crg-hi3798cv200.c @@ -161,6 +161,8 @@ static const struct hisi_gate_clock hi3798cv200_gate_clks[] = { CLK_SET_RATE_PARENT, 0xb8, 1, 0 }, { HISTB_USB2_UTMI_CLK, "clk_u2_utmi", "60m", CLK_SET_RATE_PARENT, 0xb8, 5, 0 }, + { HISTB_USB2_OTG_UTMI_CLK, "clk_u2_otg_utmi", "60m", + CLK_SET_RATE_PARENT, 0xb8, 3, 0 }, { HISTB_USB2_PHY1_REF_CLK, "clk_u2_phy1_ref", "24m", CLK_SET_RATE_PARENT, 0xbc, 0, 0 }, { HISTB_USB2_PHY2_REF_CLK, "clk_u2_phy2_ref", "24m", -- cgit v1.2.3 From a44d1f531a39da8cd6497372e713f5998b2d67af Mon Sep 17 00:00:00 2001 From: Shawn Guo Date: Wed, 24 Jan 2018 19:48:26 +0800 Subject: clk: hi3798cv200: fix define indentation It's a coding-style fix, which corrects the indentation for all those clock definitions, so that the code looks nicer and new definitions can be added with a recommended indentation. Signed-off-by: Shawn Guo --- drivers/clk/hisilicon/crg-hi3798cv200.c | 48 ++++++++++++++++----------------- 1 file changed, 24 insertions(+), 24 deletions(-) (limited to 'drivers/clk') diff --git a/drivers/clk/hisilicon/crg-hi3798cv200.c b/drivers/clk/hisilicon/crg-hi3798cv200.c index 6017ade0cd92..451830e08375 100644 --- a/drivers/clk/hisilicon/crg-hi3798cv200.c +++ b/drivers/clk/hisilicon/crg-hi3798cv200.c @@ -27,30 +27,30 @@ #include "reset.h" /* hi3798CV200 core CRG */ -#define HI3798CV200_INNER_CLK_OFFSET 64 -#define HI3798CV200_FIXED_24M 65 -#define HI3798CV200_FIXED_25M 66 -#define HI3798CV200_FIXED_50M 67 -#define HI3798CV200_FIXED_75M 68 -#define HI3798CV200_FIXED_100M 69 -#define HI3798CV200_FIXED_150M 70 -#define HI3798CV200_FIXED_200M 71 -#define HI3798CV200_FIXED_250M 72 -#define HI3798CV200_FIXED_300M 73 -#define HI3798CV200_FIXED_400M 74 -#define HI3798CV200_MMC_MUX 75 -#define HI3798CV200_ETH_PUB_CLK 76 -#define HI3798CV200_ETH_BUS_CLK 77 -#define HI3798CV200_ETH_BUS0_CLK 78 -#define HI3798CV200_ETH_BUS1_CLK 79 -#define HI3798CV200_COMBPHY1_MUX 80 -#define HI3798CV200_FIXED_12M 81 -#define HI3798CV200_FIXED_48M 82 -#define HI3798CV200_FIXED_60M 83 -#define HI3798CV200_FIXED_166P5M 84 -#define HI3798CV200_SDIO0_MUX 85