From 0e4504470667d355b53ca3c9802fdd2120c9f946 Mon Sep 17 00:00:00 2001 From: Jaehoon Chung Date: Fri, 10 Jun 2016 13:56:32 +0900 Subject: [PATCH] clk: samsung: exynos5433: Add CLK_IGNORE_UNUSED flag to PCIE device This patch adds the CLK_IGNORE_UNUSED flag for PCI Express's clocks which need to remain enabled. The 'pcie' gate clock definition is also added. Signed-off-by: Jaehoon Chung Signed-off-by: Chanwoo Choi [s.nawrocki@samsung.com: edited the patch's summary] Signed-off-by: Sylwester Nawrocki --- drivers/clk/samsung/clk-exynos5433.c | 11 ++++++----- include/dt-bindings/clock/exynos5433.h | 3 ++- 2 files changed, 8 insertions(+), 6 deletions(-) diff --git a/drivers/clk/samsung/clk-exynos5433.c b/drivers/clk/samsung/clk-exynos5433.c index 5d26c0f9fe0a..4204eb828d86 100644 --- a/drivers/clk/samsung/clk-exynos5433.c +++ b/drivers/clk/samsung/clk-exynos5433.c @@ -641,7 +641,7 @@ static const struct samsung_gate_clock top_gate_clks[] __initconst = { /* ENABLE_SCLK_TOP_FSYS */ GATE(CLK_SCLK_PCIE_100_FSYS, "sclk_pcie_100_fsys", "div_sclk_pcie_100", - ENABLE_SCLK_TOP_FSYS, 7, 0, 0), + ENABLE_SCLK_TOP_FSYS, 7, CLK_IGNORE_UNUSED, 0), GATE(CLK_SCLK_MMC2_FSYS, "sclk_mmc2_fsys", "div_sclk_mmc2_b", ENABLE_SCLK_TOP_FSYS, 6, CLK_SET_RATE_PARENT, 0), GATE(CLK_SCLK_MMC1_FSYS, "sclk_mmc1_fsys", "div_sclk_mmc1_b", @@ -2148,7 +2148,7 @@ static const struct samsung_gate_clock fsys_gate_clks[] __initconst = { GATE(CLK_ACLK_SMMU_PDMA1, "aclk_smmu_pdma1", "mout_aclk_fsys_200_user", ENABLE_ACLK_FSYS1, 25, CLK_IGNORE_UNUSED, 0), GATE(CLK_ACLK_BTS_PCIE, "aclk_bts_pcie", "mout_aclk_fsys_200_user", - ENABLE_ACLK_FSYS1, 24, 0, 0), + ENABLE_ACLK_FSYS1, 24, CLK_IGNORE_UNUSED, 0), GATE(CLK_ACLK_AXIUS_PDMA1, "aclk_axius_pdma1", "mout_aclk_fsys_200_user", ENABLE_ACLK_FSYS1, 22, CLK_IGNORE_UNUSED, 0), @@ -2195,13 +2195,13 @@ static const struct samsung_gate_clock fsys_gate_clks[] __initconst = { /* ENABLE_PCLK_FSYS */ GATE(CLK_PCLK_PCIE_CTRL, "pclk_pcie_ctrl", "mout_aclk_fsys_200_user", - ENABLE_PCLK_FSYS, 17, 0, 0), + ENABLE_PCLK_FSYS, 17, CLK_IGNORE_UNUSED, 0), GATE(CLK_PCLK_SMMU_PDMA1, "pclk_smmu_pdma1", "mout_aclk_fsys_200_user", ENABLE_PCLK_FSYS, 16, CLK_IGNORE_UNUSED, 0), GATE(CLK_PCLK_PCIE_PHY, "pclk_pcie_phy", "mout_aclk_fsys_200_user", - ENABLE_PCLK_FSYS, 14, 0, 0), + ENABLE_PCLK_FSYS, 14, CLK_IGNORE_UNUSED, 0), GATE(CLK_PCLK_BTS_PCIE, "pclk_bts_pcie", "mout_aclk_fsys_200_user", - ENABLE_PCLK_FSYS, 13, 0, 0), + ENABLE_PCLK_FSYS, 13, CLK_IGNORE_UNUSED, 0), GATE(CLK_PCLK_SMMU_PDMA0, "pclk_smmu_pdma0", "mout_aclk_fsys_200_user", ENABLE_PCLK_FSYS, 8, CLK_IGNORE_UNUSED, 0), GATE(CLK_PCLK_BTS_UFS, "pclk_bts_ufs", "mout_aclk_fsys_200_user", @@ -2280,6 +2280,7 @@ static const struct samsung_gate_clock fsys_gate_clks[] __initconst = { ENABLE_SCLK_FSYS, 0, 0, 0), /* ENABLE_IP_FSYS0 */ + GATE(CLK_PCIE, "pcie", "sclk_pcie_100", ENABLE_IP_FSYS0, 17, 0, 0), GATE(CLK_PDMA1, "pdma1", "aclk_pdma1", ENABLE_IP_FSYS0, 15, 0, 0), GATE(CLK_PDMA0, "pdma0", "aclk_pdma0", ENABLE_IP_FSYS0, 0, 0, 0), }; diff --git a/include/dt-bindings/clock/exynos5433.h b/include/dt-bindings/clock/exynos5433.h index 8e024fea26e7..4fa6bb2136e3 100644 --- a/include/dt-bindings/clock/exynos5433.h +++ b/include/dt-bindings/clock/exynos5433.h @@ -622,8 +622,9 @@ #define CLK_SCLK_UFSUNIPRO 112 #define CLK_SCLK_USBHOST30 113 #define CLK_SCLK_USBDRD30 114 +#define CLK_PCIE 115 -#define FSYS_NR_CLK 115 +#define FSYS_NR_CLK 116 /* CMU_G2D */ #define CLK_MUX_ACLK_G2D_266_USER 1 -- 2.45.2