diff options
60 files changed, 826 insertions, 543 deletions
diff --git a/Documentation/devicetree/bindings/clock/renesas,cpg-mssr.txt b/Documentation/devicetree/bindings/clock/renesas,cpg-mssr.txt index c7674d0267a3..f4d153f24a0f 100644 --- a/Documentation/devicetree/bindings/clock/renesas,cpg-mssr.txt +++ b/Documentation/devicetree/bindings/clock/renesas,cpg-mssr.txt @@ -19,7 +19,7 @@ Required Properties: - "renesas,r8a7745-cpg-mssr" for the r8a7745 SoC (RZ/G1E) - "renesas,r8a77470-cpg-mssr" for the r8a77470 SoC (RZ/G1C) - "renesas,r8a774a1-cpg-mssr" for the r8a774a1 SoC (RZ/G2M) - - "renesas,r8a774b1-cpg-mssr" for the r8a774a1 SoC (RZ/G2N) + - "renesas,r8a774b1-cpg-mssr" for the r8a774b1 SoC (RZ/G2N) - "renesas,r8a774c0-cpg-mssr" for the r8a774c0 SoC (RZ/G2E) - "renesas,r8a7790-cpg-mssr" for the r8a7790 SoC (R-Car H2) - "renesas,r8a7791-cpg-mssr" for the r8a7791 SoC (R-Car M2-W) diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig index 45653a0e6ecd..a48e326f4ef7 100644 --- a/drivers/clk/Kconfig +++ b/drivers/clk/Kconfig @@ -27,7 +27,7 @@ config COMMON_CLK_WM831X tristate "Clock driver for WM831x/2x PMICs" depends on MFD_WM831X ---help--- - Supports the clocking subsystem of the WM831x/2x series of + Supports the clocking subsystem of the WM831x/2x series of PMICs from Wolfson Microelectronics. source "drivers/clk/versatile/Kconfig" diff --git a/drivers/clk/at91/at91sam9260.c b/drivers/clk/at91/at91sam9260.c index 0aabe49aed09..a9d4234758d7 100644 --- a/drivers/clk/at91/at91sam9260.c +++ b/drivers/clk/at91/at91sam9260.c @@ -348,7 +348,7 @@ static void __init at91sam926x_pmc_setup(struct device_node *np, return; mainxtal_name = of_clk_get_parent_name(np, i); - regmap = syscon_node_to_regmap(np); + regmap = device_node_to_regmap(np); if (IS_ERR(regmap)) return; diff --git a/drivers/clk/at91/at91sam9rl.c b/drivers/clk/at91/at91sam9rl.c index 0ac34cdaa106..77fe83a73bf4 100644 --- a/drivers/clk/at91/at91sam9rl.c +++ b/drivers/clk/at91/at91sam9rl.c @@ -83,7 +83,7 @@ static void __init at91sam9rl_pmc_setup(struct device_node *np) return; mainxtal_name = of_clk_get_parent_name(np, i); - regmap = syscon_node_to_regmap(np); + regmap = device_node_to_regmap(np); if (IS_ERR(regmap)) return; diff --git a/drivers/clk/at91/at91sam9x5.c b/drivers/clk/at91/at91sam9x5.c index 0855f3a80cc7..086cf0b4955c 100644 --- a/drivers/clk/at91/at91sam9x5.c +++ b/drivers/clk/at91/at91sam9x5.c @@ -146,7 +146,7 @@ static void __init at91sam9x5_pmc_setup(struct device_node *np, return; mainxtal_name = of_clk_get_parent_name(np, i); - regmap = syscon_node_to_regmap(np); + regmap = device_node_to_regmap(np); if (IS_ERR(regmap)) return; diff --git a/drivers/clk/at91/clk-sam9x60-pll.c b/drivers/clk/at91/clk-sam9x60-pll.c index 34b817825b22..dfb354a5ff18 100644 --- a/drivers/clk/at91/clk-sam9x60-pll.c +++ b/drivers/clk/at91/clk-sam9x60-pll.c @@ -25,7 +25,8 @@ #define PMC_PLL_CTRL1_MUL_MSK GENMASK(30, 24) #define PMC_PLL_ACR 0x18 -#define PMC_PLL_ACR_DEFAULT 0x1b040010UL +#define PMC_PLL_ACR_DEFAULT_UPLL 0x12020010UL +#define PMC_PLL_ACR_DEFAULT_PLLA 0x00020010UL #define PMC_PLL_ACR_UTMIVR BIT(12) #define PMC_PLL_ACR_UTMIBG BIT(13) #define PMC_PLL_ACR_LOOP_FILTER_MSK GENMASK(31, 24) @@ -88,7 +89,10 @@ static int sam9x60_pll_prepare(struct clk_hw *hw) } /* Recommended value for PMC_PLL_ACR */ - val = PMC_PLL_ACR_DEFAULT; + if (pll->characteristics->upll) + val = PMC_PLL_ACR_DEFAULT_UPLL; + else + val = PMC_PLL_ACR_DEFAULT_PLLA; regmap_write(regmap, PMC_PLL_ACR, val); regmap_write(regmap, PMC_PLL_CTRL1, diff --git a/drivers/clk/at91/pmc.c b/drivers/clk/at91/pmc.c index 0b03cfae3a9d..b71515acdec1 100644 --- a/drivers/clk/at91/pmc.c +++ b/drivers/clk/at91/pmc.c @@ -275,7 +275,7 @@ static int __init pmc_register_ops(void) np = of_find_matching_node(NULL, sama5d2_pmc_dt_ids); - pmcreg = syscon_node_to_regmap(np); + pmcreg = device_node_to_regmap(np); if (IS_ERR(pmcreg)) return PTR_ERR(pmcreg); diff --git a/drivers/clk/at91/sam9x60.c b/drivers/clk/at91/sam9x60.c index 86238d5ecb4d..77398aefeb6d 100644 --- a/drivers/clk/at91/sam9x60.c +++ b/drivers/clk/at91/sam9x60.c @@ -47,6 +47,7 @@ static const struct clk_programmable_layout sam9x60_programmable_layout = { .pres_shift = 8, .css_mask = 0x1f, .have_slck_mck = 0, + .is_pres_direct = 1, }; static const struct clk_pcr_layout sam9x60_pcr_layout = { diff --git a/drivers/clk/at91/sama5d2.c b/drivers/clk/at91/sama5d2.c index 0de1108737db..ff7e3f727082 100644 --- a/drivers/clk/at91/sama5d2.c +++ b/drivers/clk/at91/sama5d2.c @@ -162,7 +162,7 @@ static void __init sama5d2_pmc_setup(struct device_node *np) return; mainxtal_name = of_clk_get_parent_name(np, i); - regmap = syscon_node_to_regmap(np); + regmap = device_node_to_regmap(np); if (IS_ERR(regmap)) return; diff --git a/drivers/clk/at91/sama5d4.c b/drivers/clk/at91/sama5d4.c index 25b156d4e645..a6dee4a3b6e4 100644 --- a/drivers/clk/at91/sama5d4.c +++ b/drivers/clk/at91/sama5d4.c @@ -136,7 +136,7 @@ static void __init sama5d4_pmc_setup(struct device_node *np) return; mainxtal_name = of_clk_get_parent_name(np, i); - regmap = syscon_node_to_regmap(np); + regmap = device_node_to_regmap(np); if (IS_ERR(regmap)) return; diff --git a/drivers/clk/clk-asm9260.c b/drivers/clk/clk-asm9260.c index dd0f90c9dd0e..536b59aabd2c 100644 --- a/drivers/clk/clk-asm9260.c +++ b/drivers/clk/clk-asm9260.c @@ -260,7 +260,6 @@ static void __init asm9260_acc_init(struct device_node *np) const char *ref_clk, *pll_clk = "pll"; u32 rate; int n; - u32 accuracy = 0; clk_data = kzalloc(struct_size(clk_data, hws, MAX_CLKS), GFP_KERNEL); if (!clk_data) @@ -275,10 +274,11 @@ static void __init asm9260_acc_init(struct device_node *np) /* register pll */ rate = (ioread32(base + HW_SYSPLLCTRL) & 0xffff) * 1000000; + /* TODO: Convert to DT parent scheme */ ref_clk = of_clk_get_parent_name(np, 0); - accuracy = clk_get_accuracy(__clk_lookup(ref_clk)); - hw = clk_hw_register_fixed_rate_with_accuracy(NULL, pll_clk, - ref_clk, 0, rate, accuracy); + hw = __clk_hw_register_fixed_rate_with_accuracy(NULL, NULL, pll_clk, + ref_clk, NULL, NULL, 0, rate, 0, + CLK_FIXED_RATE_PARENT_ACCURACY); if (IS_ERR(hw)) panic("%pOFn: can't register REFCLK. Check DT!", np); diff --git a/drivers/clk/clk-bm1880.c b/drivers/clk/clk-bm1880.c index 4cd175afce9b..e6d6599d310a 100644 --- a/drivers/clk/clk-bm1880.c +++ b/drivers/clk/clk-bm1880.c @@ -474,11 +474,10 @@ static struct bm1880_composite_clock bm1880_composite_clks[] = { static unsigned long bm1880_pll_rate_calc(u32 regval, unsigned long parent_rate) { u64 numerator; - u32 fbdiv, fref, refdiv; + u32 fbdiv, refdiv; u32 postdiv1, postdiv2, denominator; fbdiv = (regval >> 16) & 0xfff; - fref = parent_rate; refdiv = regval & 0x1f; postdiv1 = (regval >> 8) & 0x7; postdiv2 = (regval >> 12) & 0x7; diff --git a/drivers/clk/clk-divider.c b/drivers/clk/clk-divider.c index 098b2b01f0af..8de12cb0c43d 100644 --- a/drivers/clk/clk-divider.c +++ b/drivers/clk/clk-divider.c @@ -463,11 +463,12 @@ const struct clk_ops clk_divider_ro_ops = { }; EXPORT_SYMBOL_GPL(clk_divider_ro_ops); -static struct clk_hw *_register_divider(struct device *dev, const char *name, - const char *parent_name, unsigned long flags, - void __iomem *reg, u8 shift, u8 width, - u8 clk_divider_flags, const struct clk_div_table *table, - spinlock_t *lock) +struct clk_hw *__clk_hw_register_divider(struct device *dev, + struct device_node *np, const char *name, + const char *parent_name, const struct clk_hw *parent_hw, + const struct clk_parent_data *parent_data, unsigned long flags, + void __iomem *reg, u8 shift, u8 width, u8 clk_divider_flags, + const struct clk_div_table *table, spinlock_t *lock) { struct clk_divider *div; struct clk_hw *hw; @@ -514,55 +515,7 @@ static struct clk_hw *_register_divider(struct device *dev, const char *name, return hw; } - -/** - * clk_register_divider - register a divider clock with the clock framework - * @dev: device registering this clock - * @name: name of this clock - * @parent_name: name of clock's parent - * @flags: framework-specific flags - * @reg: register address to adjust divider - * @shift: number of bits to shift the bitfield - * @width: width of the bitfield - * @clk_divider_flags: divider-specific flags for this clock - * @lock: shared register lock for this clock - */ -struct clk *clk_register_divider(struct device *dev, const char *name, - const char *parent_name, unsigned long flags, - void __iomem *reg, u8 shift, u8 width, - u8 clk_divider_flags, spinlock_t *lock) -{ - struct clk_hw *hw; - - hw = _register_divider(dev, name, parent_name, flags, reg, shift, - width, clk_divider_flags, NULL, lock); - if (IS_ERR(hw)) - return ERR_CAST(hw); - return hw->clk; -} -EXPORT_SYMBOL_GPL(clk_register_divider); - -/** - * clk_hw_register_divider - register a divider clock with the clock framework - * @dev: device registering this clock - * @name: name of this clock - * @parent_name: name of clock's parent - * @flags: framework-specific flags - * @reg: register address to adjust divider - * @shift: number of bits to shift the bitfield - * @width: width of the bitfield - * @clk_divider_flags: divider-specific flags for this clock - * @lock: shared register lock for this clock - */ -struct clk_hw *clk_hw_register_divider(struct device *dev, const char *name, - const char *parent_name, unsigned long flags, - void __iomem *reg, u8 shift, u8 width, - u8 clk_divider_flags, spinlock_t *lock) -{ - return _register_divider(dev, name, parent_name, flags, reg, shift, - width, clk_divider_flags, NULL, lock); -} -EXPORT_SYMBOL_GPL(clk_hw_register_divider); +EXPORT_SYMBOL_GPL(__clk_hw_register_divider); /** * clk_register_divider_table - register a table based divider clock with @@ -586,39 +539,15 @@ struct clk *clk_register_divider_table(struct device *dev, const char *name, { struct clk_hw *hw; - hw = _register_divider(dev, name, parent_name, flags, reg, shift, - width, clk_divider_flags, table, lock); + hw = __clk_hw_register_divider(dev, NULL, name, parent_name, NULL, + NULL, flags, reg, shift, width, clk_divider_flags, + table, lock); if (IS_ERR(hw)) return ERR_CAST(hw); return hw->clk; } EXPORT_SYMBOL_GPL(clk_register_divider_table); -/** - * clk_hw_register_divider_table - register a table based divider clock with - * the clock framework - * @dev: device registering this clock - * @name: name of this clock - * @parent_name: name of clock's parent - * @flags: framework-specific flags - * @reg: register address to adjust divider - * @shift: number of bits to shift the bitfield - * @width: width of the bitfield - * @clk_divider_flags: divider-specific flags for this clock - * @table: array of divider/value pairs ending with a div set to 0 - * @lock: shared register lock for this clock - */ -struct clk_hw *clk_hw_register_divider_table(struct device *dev, - const char *name, const char *parent_name, unsigned long flags, - void __iomem *reg, u8 shift, u8 width, - u8 clk_divider_flags, const struct clk_div_table *table, - spinlock_t *lock) -{ - return _register_divider(dev, name, parent_name, flags, reg, shift, - width, clk_divider_flags, table, lock); -} -EXPORT_SYMBOL_GPL(clk_hw_register_divider_table); - void clk_unregister_divider(struct clk *clk) { struct clk_divider *div; diff --git a/drivers/clk/clk-fixed-rate.c b/drivers/clk/clk-fixed-rate.c index 2c4486c09040..77499a27c8fb 100644 --- a/drivers/clk/clk-fixed-rate.c +++ b/drivers/clk/clk-fixed-rate.c @@ -24,6 +24,8 @@ * parent - fixed parent. No clk_set_parent support */ +#define to_clk_fixed_rate(_hw) container_of(_hw, struct clk_fixed_rate, hw) + static unsigned long clk_fixed_rate_recalc_rate(struct clk_hw *hw, unsigned long parent_rate) { @@ -33,7 +35,12 @@ static unsigned long clk_fixed_rate_recalc_rate(struct clk_hw *hw, static unsigned long clk_fixed_rate_recalc_accuracy(struct clk_hw *hw, unsigned long parent_accuracy) { - return to_clk_fixed_rate(hw)->fixed_accuracy; + struct clk_fixed_rate *fixed = to_clk_fixed_rate(hw); + + if (fixed->flags & CLK_FIXED_RATE_PARENT_ACCURACY) + return parent_accuracy; + + return fixed->fixed_accuracy; } const struct clk_ops clk_fixed_rate_ops = { @@ -42,24 +49,17 @@ const struct clk_ops clk_fixed_rate_ops = { }; EXPORT_SYMBOL_GPL(clk_fixed_rate_ops); -/** - * clk_hw_register_fixed_rate_with_accuracy - register fixed-rate clock with - * the clock framework - * @dev: device that is registering this clock - * @name: name of this clock - * @parent_name: name of clock's parent - * @flags: framework-specific flags - * @fixed_rate: non-adjustable clock rate - * @fixed_accuracy: non-adjustable clock rate - */ -struct clk_hw *clk_hw_register_fixed_rate_with_accuracy(struct device *dev, - const char *name, const char *parent_name, unsigned long flags, - unsigned long fixed_rate, unsigned long fixed_accuracy) +struct clk_hw *__clk_hw_register_fixed_rate(struct device *dev, + struct device_node *np, const char *name, + const char *parent_name, const struct clk_hw *parent_hw, + const struct clk_parent_data *parent_data, unsigned long flags, + unsigned long fixed_rate, unsigned long fixed_accuracy, + unsigned long clk_fixed_flags) { struct clk_fixed_rate *fixed; struct clk_hw *hw; struct clk_init_data init = {}; - int ret; + int ret = -EINVAL; /* allocate fixed-rate clock */ fixed = kzalloc(sizeof(*fixed), GFP_KERNEL); @@ -69,17 +69,26 @@ struct clk_hw *clk_hw_register_fixed_rate_with_accuracy(struct device *dev, init.name = name; init.ops = &clk_fixed_rate_ops; init.flags = flags; - init.parent_names = (parent_name ? &parent_name: NULL); - init.num_parents = (parent_name ? 1 : 0); + init.parent_names = parent_name ? &parent_name : NULL; + init.parent_hws = parent_hw ? &parent_hw : NULL; + init.parent_data = parent_data; + if (parent_name || parent_hw || parent_data) + init.num_parents = 1; + else + init.num_parents = 0; /* struct clk_fixed_rate assignments */ + fixed->flags = clk_fixed_flags; fixed->fixed_rate = fixed_rate; fixed->fixed_accuracy = fixed_accuracy; fixed->hw.init = &init; /* register the clock */ hw = &fixed->hw; - ret = clk_hw_register(dev, hw); + if (dev || !np) + ret = clk_hw_register(dev, hw); + else if (np) + ret = of_clk_hw_register(np, hw); if (ret) { kfree(fixed); hw = ERR_PTR(ret); @@ -87,47 +96,20 @@ struct clk_hw *clk_hw_register_fixed_rate_with_accuracy(struct device *dev, return hw; } -EXPORT_SYMBOL_GPL(clk_hw_register_fixed_rate_with_accuracy); +EXPORT_SYMBOL_GPL(__clk_hw_register_fixed_rate); -struct clk *clk_register_fixed_rate_with_accuracy(struct device *dev, - const char *name, const char *parent_name, unsigned long flags, - unsigned long fixed_rate, unsigned long fixed_accuracy) +struct clk *clk_register_fixed_rate(struct device *dev, const char *name, + const char *parent_name, unsigned long flags, + unsigned long fixed_rate) { struct clk_hw *hw; hw = clk_hw_register_fixed_rate_with_accuracy(dev, name, parent_name, - flags, fixed_rate, fixed_accuracy); + flags, fixed_rate, 0); if (IS_ERR(hw)) return ERR_CAST(hw); return hw->clk; } -EXPORT_SYMBOL_GPL(clk_register_fixed_rate_with_accuracy); - -/** - * clk_hw_register_fixed_rate - register fixed-rate clock with the clock - * framework - * @dev: device that is registering this clock - * @name: name of this clock - * @parent_name: name of clock's parent - * @flags: framework-specific flags - * @fixed_rate: non-adjustable clock rate - */ -struct clk_hw *clk_hw_register_fixed_rate(struct device *dev, const char *name, - const char *parent_name, unsigned long flags, - unsigned long fixed_rate) -{ - return clk_hw_register_fixed_rate_with_accuracy(dev, name, parent_name, - flags, fixed_rate, 0); -} -EXPORT_SYMBOL_GPL(clk_hw_register_fixed_rate); - -struct clk *clk_register_fixed_rate(struct device *dev, const char *name, - const char *parent_name, unsigned long flags, - unsigned long fixed_rate) -{ - return clk_register_fixed_rate_with_accuracy(dev, name, parent_name, - flags, fixed_rate, 0); -} EXPORT_SYMBOL_GPL(clk_register_fixed_rate); void clk_unregister_fixed_rate(struct clk *clk) @@ -155,9 +137,9 @@ void clk_hw_unregister_fixed_rate(struct clk_hw *hw) EXPORT_SYMBOL_GPL(clk_hw_unregister_fixed_rate); #ifdef CONFIG_OF -static struct clk *_of_fixed_clk_setup(struct device_node *node) +static struct clk_hw *_of_fixed_clk_setup(struct device_node *node) { - struct clk *clk; + struct clk_hw *hw; const char *clk_name = node->name; u32 rate; u32 accuracy = 0; @@ -170,18 +152,18 @@ static struct clk *_of_fixed_clk_setup(struct device_node *node) of_property_read_string(node, "clock-output-names", &clk_name); - clk = clk_register_fixed_rate_with_accuracy(NULL, clk_name, NULL, + hw = clk_hw_register_fixed_rate_with_accuracy(NULL, clk_name, NULL, 0, rate, accuracy); - if (IS_ERR(clk)) - return clk; + if (IS_ERR(hw)) + return hw; - ret = of_clk_add_provider(node, of_clk_src_simple_get, clk); + ret = of_clk_add_hw_provider(node, of_clk_hw_simple_get, hw); if (ret) { - clk_unregister(clk); + clk_hw_unregister_fixed_rate(hw); return ERR_PTR(ret); } - return clk; + return hw; } /** @@ -195,27 +177,27 @@ CLK_OF_DECLARE(fixed_clk, "fixed-clock", of_fixed_clk_setup); static int of_fixed_clk_remove(struct platform_device *pdev) { - struct clk *clk = platform_get_drvdata(pdev); |