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authorKever Yang <kever.yang@rock-chips.com>2014-09-25 15:48:47 +0800
committerMike Turquette <mturquette@linaro.org>2014-09-25 15:47:45 -0700
commitcd248502927fa5b4a700433675c4ff4a2bbee14b (patch)
treec9f9224a70dbd9766940c26e94aa2b61c29a1497 /drivers/clk
parent89d83e14f44c37c46fc1880a0768da1a77b682c7 (diff)
clk: rockchip: add clock node in PD_VIDEO
This patch add the clock node in PD_VIDEO Signed-off-by: Kever Yang <kever.yang@rock-chips.com> Reviewed-by: Heiko Stuebner <heiko@sntech.de> Reviewed-by: Doug Anderson <dianders@chromium.org> Tested-by: Doug Anderson <dianders@chromium.org> Signed-off-by: Mike Turquette <mturquette@linaro.org>
Diffstat (limited to 'drivers/clk')
-rw-r--r--drivers/clk/rockchip/clk-rk3288.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/clk/rockchip/clk-rk3288.c b/drivers/clk/rockchip/clk-rk3288.c
index 3dfc5e3a074c..35c3297d05ba 100644
--- a/drivers/clk/rockchip/clk-rk3288.c
+++ b/drivers/clk/rockchip/clk-rk3288.c
@@ -296,6 +296,20 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = {
COMPOSITE(0, "aclk_vdpu", mux_pll_src_cpll_gpll_usb480m_p, 0,
RK3288_CLKSEL_CON(32), 14, 2, MFLAGS, 8, 5, DFLAGS,
RK3288_CLKGATE_CON(3), 11, GFLAGS),
+ /*
+ * We use aclk_vdpu by default GRF_SOC_CON0[7] setting in system,
+ * so we ignore the mux and make clocks nodes as following,
+ */
+ GATE(ACLK_VCODEC, "aclk_vcodec", "aclk_vdpu", 0,
+ RK3288_CLKGATE_CON(9), 0, GFLAGS),
+ /*
+ * We introduce a virtul node of hclk_vodec_pre_v to split one clock
+ * struct with a gate and a fix divider into two node in software.
+ */
+ GATE(0, "hclk_vcodec_pre_v", "aclk_vdpu", 0,
+ RK3288_CLKGATE_CON(3), 10, GFLAGS),
+ GATE(HCLK_VCODEC, "hclk_vcodec", "hclk_vcodec_pre", 0,
+ RK3288_CLKGATE_CON(9), 1, GFLAGS),
COMPOSITE(0, "aclk_vio0", mux_pll_src_cpll_gpll_usb480m_p, 0,
RK3288_CLKSEL_CON(31), 6, 2, MFLAGS, 0, 5, DFLAGS,
@@ -705,6 +719,12 @@ static void __init rk3288_clk_init(struct device_node *np)
pr_warn("%s: could not register clock usb480m: %ld\n",
__func__, PTR_ERR(clk));
+ clk = clk_register_fixed_factor(NULL, "hclk_vcodec_pre",
+ "hclk_vcodec_pre_v", 0, 1, 4);
+ if (IS_ERR(clk))
+ pr_warn("%s: could not register clock hclk_vcodec_pre: %ld\n",
+ __func__, PTR_ERR(clk));
+
rockchip_clk_register_plls(rk3288_pll_clks,
ARRAY_SIZE(rk3288_pll_clks),
RK3288_GRF_SOC_STATUS);