[PATCH v3 03/16] clk: exynos5420: update clocks for GSCL and MSCL blocks
From: Shaik Ameer Basha <hidden>
Date: 2014-04-24 13:03:39
Also in:
linux-devicetree, linux-samsung-soc
Subsystem:
common clk framework, open firmware and flattened device tree bindings, samsung soc clock drivers, the rest · Maintainers:
Michael Turquette, Stephen Boyd, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Sylwester Nawrocki, Chanwoo Choi, Peter Griffin, Linus Torvalds
This patch adds the missing GSCL and MSCL block clocks and corrects some wrong parent-child relationships. Signed-off-by: Rahul Sharma <redacted> Signed-off-by: Shaik Ameer Basha <redacted> --- drivers/clk/samsung/clk-exynos5420.c | 41 +++++++++++++++++++++----------- include/dt-bindings/clock/exynos5420.h | 2 +- 2 files changed, 28 insertions(+), 15 deletions(-)
diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c
index 972da5d..c3c8ceb 100755
--- a/drivers/clk/samsung/clk-exynos5420.c
+++ b/drivers/clk/samsung/clk-exynos5420.c@@ -80,6 +80,7 @@ #define DIV_PERIC4 0x10568 #define SCLK_DIV_ISP0 0x10580 #define SCLK_DIV_ISP1 0x10584 +#define DIV2_RATIO0 0x10590 #define GATE_BUS_TOP 0x10700 #define GATE_BUS_FSYS0 0x10740 #define GATE_BUS_PERIC 0x10750
@@ -165,6 +166,7 @@ static unsigned long exynos5420_clk_regs[] __initdata = { DIV_PERIC4, SCLK_DIV_ISP0, SCLK_DIV_ISP1, + DIV2_RATIO0, GATE_BUS_TOP, GATE_BUS_FSYS0, GATE_BUS_PERIC,
@@ -572,6 +574,11 @@ static struct samsung_div_clock exynos5420_div_clks[] __initdata = { DIV(0, "dout_pre_spi1", "dout_spi1", DIV_PERIC4, 16, 8), DIV(0, "dout_pre_spi2", "dout_spi2", DIV_PERIC4, 24, 8), + /* GSCL Block */ + DIV(0, "dout_gscl_blk_300", "mout_user_aclk300_gscl", + DIV2_RATIO0, 4, 2), + DIV(0, "dout_gscl_blk_333", "aclk333_432_gscl", DIV2_RATIO0, 6, 2), + /* ISP Block */ DIV(0, "dout_aclk400_isp", "mout_aclk400_isp", DIV_TOP0, 0, 3), DIV(0, "dout_aclk333_432_isp0", "mout_aclk333_432_isp0",
@@ -666,9 +673,9 @@ static struct samsung_gate_clock exynos5420_gate_clks[] __initdata = { GATE(CLK_SCLK_USBD301, "sclk_unipro", "dout_unipro", SRC_MASK_FSYS, 24, CLK_SET_RATE_PARENT, 0), - GATE(CLK_SCLK_GSCL_WA, "sclk_gscl_wa", "aclK333_432_gscl", + GATE(CLK_SCLK_GSCL_WA, "sclk_gscl_wa", "mout_user_aclk333_432_gscl", GATE_TOP_SCLK_GSCL, 6, CLK_SET_RATE_PARENT, 0), - GATE(CLK_SCLK_GSCL_WB, "sclk_gscl_wb", "aclk333_432_gscl", + GATE(CLK_SCLK_GSCL_WB, "sclk_gscl_wb", "mout_user_aclk333_432_gscl", GATE_TOP_SCLK_GSCL, 7, CLK_SET_RATE_PARENT, 0), /* Display */
@@ -766,22 +773,25 @@ static struct samsung_gate_clock exynos5420_gate_clks[] __initdata = { GATE(CLK_GSCL0, "gscl0", "aclk300_gscl", GATE_IP_GSCL0, 0, 0, 0), GATE(CLK_GSCL1, "gscl1", "aclk300_gscl", GATE_IP_GSCL0, 1, 0, 0), - GATE(CLK_CLK_3AA, "clk_3aa", "aclk300_gscl", GATE_IP_GSCL0, 4, 0, 0), + GATE(CLK_FIMC_3AA, "fimc_3aa", "aclk333_432_gscl", + GATE_IP_GSCL0, 4, 0, 0), - GATE(CLK_SMMU_3AA, "smmu_3aa", "aclk333_432_gscl", GATE_IP_GSCL1, 2, 0, - 0), - GATE(CLK_SMMU_FIMCL0, "smmu_fimcl0", "aclk333_432_gscl", + GATE(CLK_SMMU_3AA, "smmu_3aa", "dout_gscl_blk_333", + GATE_IP_GSCL1, 2, 0, 0), + GATE(CLK_SMMU_FIMCL0, "smmu_fimcl0", "dout_gscl_blk_333", GATE_IP_GSCL1, 3, 0, 0), - GATE(CLK_SMMU_FIMCL1, "smmu_fimcl1", "aclk333_432_gscl", + GATE(CLK_SMMU_FIMCL1, "smmu_fimcl1", "dout_gscl_blk_333", GATE_IP_GSCL1, 4, 0, 0), - GATE(CLK_SMMU_GSCL0, "smmu_gscl0", "aclk300_gscl", GATE_IP_GSCL1, 6, 0, - 0), - GATE(CLK_SMMU_GSCL1, "smmu_gscl1", "aclk300_gscl", GATE_IP_GSCL1, 7, 0, - 0), - GATE(CLK_GSCL_WA, "gscl_wa", "aclk300_gscl", GATE_IP_GSCL1, 12, 0, 0), - GATE(CLK_GSCL_WB, "gscl_wb", "aclk300_gscl", GATE_IP_GSCL1, 13, 0, 0), - GATE(CLK_SMMU_FIMCL3, "smmu_fimcl3,", "aclk333_432_gscl", + GATE(CLK_SMMU_GSCL0, "smmu_gscl0", "dout_gscl_blk_300", + GATE_IP_GSCL1, 6, 0, 0), + GATE(CLK_SMMU_GSCL1, "smmu_gscl1", "dout_gscl_blk_300", + GATE_IP_GSCL1, 7, 0, 0), + GATE(CLK_GSCL_WA, "gscl_wa", "sclk_gscl_wa", GATE_IP_GSCL1, 12, 0, 0), + GATE(CLK_GSCL_WB, "gscl_wb", "sclk_gscl_wb", GATE_IP_GSCL1, 13, 0, 0), + GATE(CLK_SMMU_FIMCL3, "smmu_fimcl3,", "dout_gscl_blk_333", GATE_IP_GSCL1, 16, 0, 0), + GATE(0, "fimc_lite0", "aclk333_432_gscl", GATE_IP_GSCL0, 5, 0, 0), + GATE(0, "fimc_lite1", "aclk333_432_gscl", GATE_IP_GSCL0, 6, 0, 0), GATE(CLK_FIMC_LITE3, "fimc_lite3", "aclk333_432_gscl", GATE_IP_GSCL1, 17, 0, 0),
@@ -818,6 +828,9 @@ static struct samsung_gate_clock exynos5420_gate_clks[] __initdata = { 0), GATE(CLK_SMMU_MIXER, "smmu_mixer", "aclk200_disp1", GATE_IP_DISP1, 9, 0, 0), + /* gating of aclk300_gscl causes system hang. It should not be gated. */ + GATE(CLK_ACLK400_MSCL, "aclk400_mscl", "mout_user_aclk400_mscl", + GATE_BUS_TOP, 17, CLK_IGNORE_UNUSED, 0), GATE(0, "aclk266_isp", "mout_user_aclk266_isp", GATE_BUS_TOP, 13, 0, 0), GATE(0, "aclk400_isp", "mout_user_aclk400_isp",
diff --git a/include/dt-bindings/clock/exynos5420.h b/include/dt-bindings/clock/exynos5420.h
index 5eefd88..223925f 100644
--- a/include/dt-bindings/clock/exynos5420.h
+++ b/include/dt-bindings/clock/exynos5420.h@@ -159,7 +159,7 @@ #define CLK_GSCL_WB 464 #define CLK_GSCL0 465 #define CLK_GSCL1 466 -#define CLK_CLK_3AA 467 +#define CLK_FIMC_3AA 467 #define CLK_ACLK266_G2D 470 #define CLK_SSS 471 #define CLK_SLIM_SSS 472
--
1.7.9.5