From: Chanwoo Choi Date: Tue, 3 Feb 2015 00:13:52 +0000 (+0900) Subject: clk: samsung: exynos5433: Add clocks for CMU_MFC domain X-Git-Tag: v4.1-rc1~63^2~36^2~6 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9910b6bbaa7b16cd3a8a7d8be53980fa1b8183a6;p=platform%2Fkernel%2Flinux-exynos.git clk: samsung: exynos5433: Add clocks for CMU_MFC domain This patch adds the mux/divider/gate clocks for CMU_MFC domain which generates the clocks for MFC(Multi-Format Codec) IP. Signed-off-by: Chanwoo Choi Acked-by: Inki Dae Signed-off-by: Sylwester Nawrocki --- diff --git a/Documentation/devicetree/bindings/clock/exynos5433-clock.txt b/Documentation/devicetree/bindings/clock/exynos5433-clock.txt index ecb9534..0f35167 100644 --- a/Documentation/devicetree/bindings/clock/exynos5433-clock.txt +++ b/Documentation/devicetree/bindings/clock/exynos5433-clock.txt @@ -39,6 +39,8 @@ Required Properties: L2 cache controller. - "samsung,exynos5433-cmu-mscl" - clock controller compatible for CMU_MSCL which generates clocks for M2M (Memory to Memory) scaler and JPEG IPs. + - "samsung,exynos5433-cmu-mfc" - clock controller compatible for CMU_MFC + which generates clocks for MFC(Multi-Format Codec) IP. - reg: physical base address of the controller and length of memory mapped region. @@ -125,6 +127,10 @@ Required Properties: - sclk_jpeg_mscl - aclk_mscl_400 + Input clocks for mfc clock controller: + - oscclk + - aclk_mfc_400 + Each clock is assigned an identifier and client nodes can use this identifier to specify the clock which they consume. @@ -340,6 +346,15 @@ Example 2: Examples of clock controller nodes are listed below. <&cmu_top CLK_ACLK_MSCL_400>; }; + cmu_mfc: clock-controller@15280000 { + compatible = "samsung,exynos5433-cmu-mfc"; + reg = <0x15280000 0x0b08>; + #clock-cells = <1>; + + clock-names = "oscclk", "aclk_mfc_400"; + clocks = <&xxti>, <&cmu_top CLK_ACLK_MFC_400>; + }; + Example 3: UART controller node that consumes the clock generated by the clock controller. diff --git a/drivers/clk/samsung/clk-exynos5433.c b/drivers/clk/samsung/clk-exynos5433.c index d272e42..4055893 100644 --- a/drivers/clk/samsung/clk-exynos5433.c +++ b/drivers/clk/samsung/clk-exynos5433.c @@ -560,6 +560,9 @@ static struct samsung_gate_clock top_gate_clks[] __initdata = { GATE(CLK_ACLK_GSCL_333, "aclk_gscl_333", "div_aclk_gscl_333", ENABLE_ACLK_TOP, 14, CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED, 0), + GATE(CLK_ACLK_MFC_400, "aclk_mfc_400", "div_aclk_mfc_400", + ENABLE_ACLK_TOP, 3, + CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED, 0), GATE(CLK_ACLK_G2D_266, "aclk_g2d_266", "div_aclk_g2d_266", ENABLE_ACLK_TOP, 2, CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED, 0), @@ -3990,3 +3993,113 @@ static void __init exynos5433_cmu_mscl_init(struct device_node *np) } CLK_OF_DECLARE(exynos5433_cmu_mscl, "samsung,exynos5433-cmu-mscl", exynos5433_cmu_mscl_init); + +/* + * Register offset definitions for CMU_MFC + */ +#define MUX_SEL_MFC 0x0200 +#define MUX_ENABLE_MFC 0x0300 +#define MUX_STAT_MFC 0x0400 +#define DIV_MFC 0x0600 +#define DIV_STAT_MFC 0x0700 +#define ENABLE_ACLK_MFC 0x0800 +#define ENABLE_ACLK_MFC_SECURE_SMMU_MFC 0x0804 +#define ENABLE_PCLK_MFC 0x0900 +#define ENABLE_PCLK_MFC_SECURE_SMMU_MFC 0x0904 +#define ENABLE_IP_MFC0 0x0b00 +#define ENABLE_IP_MFC1 0x0b04 +#define ENABLE_IP_MFC_SECURE_SMMU_MFC 0x0b08 + +static unsigned long mfc_clk_regs[] __initdata = { + MUX_SEL_MFC, + MUX_ENABLE_MFC, + MUX_STAT_MFC, + DIV_MFC, + DIV_STAT_MFC, + ENABLE_ACLK_MFC, + ENABLE_ACLK_MFC_SECURE_SMMU_MFC, + ENABLE_PCLK_MFC, + ENABLE_PCLK_MFC_SECURE_SMMU_MFC, + ENABLE_IP_MFC0, + ENABLE_IP_MFC1, + ENABLE_IP_MFC_SECURE_SMMU_MFC, +}; + +PNAME(mout_aclk_mfc_400_user_p) = { "oscclk", "aclk_mfc_400", }; + +static struct samsung_mux_clock mfc_mux_clks[] __initdata = { + /* MUX_SEL_MFC */ + MUX(CLK_MOUT_ACLK_MFC_400_USER, "mout_aclk_mfc_400_user", + mout_aclk_mfc_400_user_p, MUX_SEL_MFC, 0, 0), +}; + +static struct samsung_div_clock mfc_div_clks[] __initdata = { + /* DIV_MFC */ + DIV(CLK_DIV_PCLK_MFC, "div_pclk_mfc", "mout_aclk_mfc_400_user", + DIV_MFC, 0, 2), +}; + +static struct samsung_gate_clock mfc_gate_clks[] __initdata = { + /* ENABLE_ACLK_MFC */ + GATE(CLK_ACLK_BTS_MFC_1, "aclk_bts_mfc_1", "mout_aclk_mfc_400_user", + ENABLE_ACLK_MFC, 6, 0, 0), + GATE(CLK_ACLK_BTS_MFC_0, "aclk_bts_mfc_0", "mout_aclk_mfc_400_user", + ENABLE_ACLK_MFC, 5, 0, 0), + GATE(CLK_ACLK_AHB2APB_MFCP, "aclk_ahb2apb_mfcp", "div_pclk_mfc", + ENABLE_ACLK_MFC, 4, CLK_IGNORE_UNUSED, 0), + GATE(CLK_ACLK_XIU_MFCX, "aclk_xiu_mfcx", "mout_aclk_mfc_400_user", + ENABLE_ACLK_MFC, 3, CLK_IGNORE_UNUSED, 0), + GATE(CLK_ACLK_MFCNP_100, "aclk_mfcnp_100", "div_pclk_mfc", + ENABLE_ACLK_MFC, 2, CLK_IGNORE_UNUSED, 0), + GATE(CLK_ACLK_MFCND_400, "aclk_mfcnd_400", "mout_aclk_mfc_400_user", + ENABLE_ACLK_MFC, 1, CLK_IGNORE_UNUSED, 0), + GATE(CLK_ACLK_MFC, "aclk_mfc", "mout_aclk_mfc_400_user", + ENABLE_ACLK_MFC, 0, 0, 0), + + /* ENABLE_ACLK_MFC_SECURE_SMMU_MFC */ + GATE(CLK_ACLK_SMMU_MFC_1, "aclk_smmu_mfc_1", "mout_aclk_mfc_400_user", + ENABLE_ACLK_MFC_SECURE_SMMU_MFC, + 1, CLK_IGNORE_UNUSED, 0), + GATE(CLK_ACLK_SMMU_MFC_0, "aclk_smmu_mfc_0", "mout_aclk_mfc_400_user", + ENABLE_ACLK_MFC_SECURE_SMMU_MFC, + 0, CLK_IGNORE_UNUSED, 0), + + /* ENABLE_PCLK_MFC */ + GATE(CLK_PCLK_BTS_MFC_1, "pclk_bts_mfc_1", "div_pclk_mfc", + ENABLE_PCLK_MFC, 4, 0, 0), + GATE(CLK_PCLK_BTS_MFC_0, "pclk_bts_mfc_0", "div_pclk_mfc", + ENABLE_PCLK_MFC, 3, 0, 0), + GATE(CLK_PCLK_PMU_MFC, "pclk_pmu_mfc", "div_pclk_mfc", + ENABLE_PCLK_MFC, 2, CLK_IGNORE_UNUSED, 0), + GATE(CLK_PCLK_SYSREG_MFC, "pclk_sysreg_mfc", "div_pclk_mfc", + ENABLE_PCLK_MFC, 1, CLK_IGNORE_UNUSED, 0), + GATE(CLK_PCLK_MFC, "pclk_mfc", "div_pclk_mfc", + ENABLE_PCLK_MFC, 4, CLK_IGNORE_UNUSED, 0), + + /* ENABLE_PCLK_MFC_SECURE_SMMU_MFC */ + GATE(CLK_PCLK_SMMU_MFC_1, "pclk_smmu_mfc_1", "div_pclk_mfc", + ENABLE_PCLK_MFC_SECURE_SMMU_MFC, + 1, CLK_IGNORE_UNUSED, 0), + GATE(CLK_PCLK_SMMU_MFC_0, "pclk_smmu_mfc_0", "div_pclk_mfc", + ENABLE_PCLK_MFC_SECURE_SMMU_MFC, + 0, CLK_IGNORE_UNUSED, 0), +}; + +static struct samsung_cmu_info mfc_cmu_info __initdata = { + .mux_clks = mfc_mux_clks, + .nr_mux_clks = ARRAY_SIZE(mfc_mux_clks), + .div_clks = mfc_div_clks, + .nr_div_clks = ARRAY_SIZE(mfc_div_clks), + .gate_clks = mfc_gate_clks, + .nr_gate_clks = ARRAY_SIZE(mfc_gate_clks), + .nr_clk_ids = MFC_NR_CLK, + .clk_regs = mfc_clk_regs, + .nr_clk_regs = ARRAY_SIZE(mfc_clk_regs), +}; + +static void __init exynos5433_cmu_mfc_init(struct device_node *np) +{ + samsung_cmu_register_one(np, &mfc_cmu_info); +} +CLK_OF_DECLARE(exynos5433_cmu_mfc, "samsung,exynos5433-cmu-mfc", + exynos5433_cmu_mfc_init); diff --git a/include/dt-bindings/clock/exynos5433.h b/include/dt-bindings/clock/exynos5433.h index 9898390..3301ab7 100644 --- a/include/dt-bindings/clock/exynos5433.h +++ b/include/dt-bindings/clock/exynos5433.h @@ -153,8 +153,9 @@ #define CLK_ACLK_GSCL_333 233 #define CLK_SCLK_JPEG_MSCL 234 #define CLK_ACLK_MSCL_400 235 +#define CLK_ACLK_MFC_400 236 -#define TOP_NR_CLK 236 +#define TOP_NR_CLK 237 /* CMU_CPIF */ #define CLK_FOUT_MPHY_PLL 1 @@ -976,4 +977,28 @@ #define MSCL_NR_CLK 30 +/* CMU_MFC */ +#define CLK_MOUT_ACLK_MFC_400_USER 1 + +#define CLK_DIV_PCLK_MFC 2 + +#define CLK_ACLK_BTS_MFC_1 3 +#define CLK_ACLK_BTS_MFC_0 4 +#define CLK_ACLK_AHB2APB_MFCP 5 +#define CLK_ACLK_XIU_MFCX 6 +#define CLK_ACLK_MFCNP_100 7 +#define CLK_ACLK_MFCND_400 8 +#define CLK_ACLK_MFC 9 +#define CLK_ACLK_SMMU_MFC_1 10 +#define CLK_ACLK_SMMU_MFC_0 11 +#define CLK_PCLK_BTS_MFC_1 12 +#define CLK_PCLK_BTS_MFC_0 13 +#define CLK_PCLK_PMU_MFC 14 +#define CLK_PCLK_SYSREG_MFC 15 +#define CLK_PCLK_MFC 16 +#define CLK_PCLK_SMMU_MFC_1 17 +#define CLK_PCLK_SMMU_MFC_0 18 + +#define MFC_NR_CLK 19 + #endif /* _DT_BINDINGS_CLOCK_EXYNOS5433_H */