This patch adds the divider/gate of CMU_GSCL domain which contains gscaler clocks. Cc: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx> Cc: Tomasz Figa <tomasz.figa@xxxxxxxxx> Signed-off-by: Chanwoo Choi <cw00.choi@xxxxxxxxxxx> Acked-by: Inki Dae <inki.dae@xxxxxxxxxxx> Acked-by: Geunsik Lim <geunsik.lim@xxxxxxxxxxx> --- .../devicetree/bindings/clock/exynos5433-clock.txt | 8 ++ drivers/clk/samsung/clk-exynos5433.c | 144 +++++++++++++++++++++ include/dt-bindings/clock/exynos5433.h | 37 +++++- 3 files changed, 188 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/clock/exynos5433-clock.txt b/Documentation/devicetree/bindings/clock/exynos5433-clock.txt index 589ed93..bf72817 100644 --- a/Documentation/devicetree/bindings/clock/exynos5433-clock.txt +++ b/Documentation/devicetree/bindings/clock/exynos5433-clock.txt @@ -30,6 +30,8 @@ Required Properties: which generates global data buses clock and global peripheral buses clock. - "samsung,exynos5433-cmu-g3d" - clock controller compatible for CMU_G3D which generates clocks for 3D Graphics Engine IP. + - "samsung,exynos5433-cmu-gscl" - clock controller compatible for CMU_GSCL + which generates clocks for GSCALER IPs. - reg: physical base address of the controller and length of memory mapped region. @@ -123,6 +125,12 @@ Example 1: Examples of clock controller nodes are listed below. #clock-cells = <1>; }; + cmu_gscl: clock-controller@0x13cf0000 { + compatible = "samsung,exynos5433-cmu-gscl"; + reg = <0x13cf0000 0x0b10>; + #clock-cells = <1>; + }; + Example 2: 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 a7f5feb..00dcac3 100644 --- a/drivers/clk/samsung/clk-exynos5433.c +++ b/drivers/clk/samsung/clk-exynos5433.c @@ -540,6 +540,10 @@ static struct samsung_gate_clock top_gate_clks[] __initdata = { ENABLE_ACLK_TOP, 21, CLK_IGNORE_UNUSED, 0), GATE(CLK_ACLK_FSYS_200, "aclk_fsys_200", "div_aclk_fsys_200", ENABLE_ACLK_TOP, 18, CLK_IGNORE_UNUSED, 0), + GATE(CLK_ACLK_GSCL_111, "aclk_gscl_111", "div_aclk_gscl_111", + ENABLE_ACLK_TOP, 15, 0, 0), + GATE(CLK_ACLK_GSCL_333, "aclk_gscl_333", "div_aclk_gscl_333", + ENABLE_ACLK_TOP, 14, 0, 0), GATE(CLK_ACLK_G2D_266, "aclk_g2d_266", "div_aclk_g2d_266", ENABLE_ACLK_TOP, 2, CLK_IGNORE_UNUSED, 0), GATE(CLK_ACLK_G2D_400, "aclk_g2d_400", "div_aclk_g2d_400", @@ -3223,3 +3227,143 @@ static void __init exynos5433_cmu_g3d_init(struct device_node *np) } CLK_OF_DECLARE(exynos5433_cmu_g3d, "samsung,exynos5433-cmu-g3d", exynos5433_cmu_g3d_init); + +/* + * Register offset definitions for CMU_GSCL + */ +#define MUX_SEL_GSCL 0x0200 +#define MUX_ENABLE_GSCL 0x0300 +#define MUX_STAT_GSCL 0x0400 +#define ENABLE_ACLK_GSCL 0x0800 +#define ENABLE_ACLK_GSCL_SECURE_SMMU_GSCL0 0x0804 +#define ENABLE_ACLK_GSCL_SECURE_SMMU_GSCL1 0x0808 +#define ENABLE_ACLK_GSCL_SECURE_SMMU_GSCL2 0x080c +#define ENABLE_PCLK_GSCL 0x0900 +#define ENABLE_PCLK_GSCL_SECURE_SMMU_GSCL0 0x0904 +#define ENABLE_PCLK_GSCL_SECURE_SMMU_GSCL1 0x0908 +#define ENABLE_PCLK_GSCL_SECURE_SMMU_GSCL2 0x090c +#define ENABLE_IP_GSCL0 0x0b00 +#define ENABLE_IP_GSCL1 0x0b04 +#define ENABLE_IP_GSCL_SECURE_SMMU_GSCL0 0x0b08 +#define ENABLE_IP_GSCL_SECURE_SMMU_GSCL1 0x0b0c +#define ENABLE_IP_GSCL_SECURE_SMMU_GSCL2 0x0b10 + +static unsigned long gscl_clk_regs[] __initdata = { + MUX_SEL_GSCL, + MUX_ENABLE_GSCL, + MUX_STAT_GSCL, + ENABLE_ACLK_GSCL, + ENABLE_ACLK_GSCL_SECURE_SMMU_GSCL0, + ENABLE_ACLK_GSCL_SECURE_SMMU_GSCL1, + ENABLE_ACLK_GSCL_SECURE_SMMU_GSCL2, + ENABLE_PCLK_GSCL, + ENABLE_PCLK_GSCL_SECURE_SMMU_GSCL0, + ENABLE_PCLK_GSCL_SECURE_SMMU_GSCL1, + ENABLE_PCLK_GSCL_SECURE_SMMU_GSCL2, + ENABLE_IP_GSCL0, + ENABLE_IP_GSCL1, + ENABLE_IP_GSCL_SECURE_SMMU_GSCL0, + ENABLE_IP_GSCL_SECURE_SMMU_GSCL1, + ENABLE_IP_GSCL_SECURE_SMMU_GSCL2, +}; + +/* list of all parent clock list */ +PNAME(aclk_gscl_111_user_p) = { "fin_pll", "aclk_gscl_111", }; +PNAME(aclk_gscl_333_user_p) = { "fin_pll", "aclk_gscl_333", }; + +static struct samsung_mux_clock gscl_mux_clks[] __initdata = { + /* MUX_SEL_GSCL */ + MUX(CLK_MOUT_ACLK_GSCL_111_USER, "mout_aclk_gscl_111_user", + aclk_gscl_111_user_p, MUX_SEL_GSCL, 4, 1), + MUX(CLK_MOUT_ACLK_GSCL_333_USER, "mout_aclk_gscl_333_user", + aclk_gscl_333_user_p, MUX_SEL_GSCL, 4, 1), +}; + +static struct samsung_gate_clock gscl_gate_clks[] __initdata = { + /* ENABLE_ACLK_GSCL */ + GATE(CLK_ACLK_BTS_GSCL2, "aclk_bts_gscl2", "mout_aclk_gscl_333_user", + ENABLE_ACLK_GSCL, 11, 0, 0), + GATE(CLK_ACLK_BTS_GSCL1, "aclk_bts_gscl1", "mout_aclk_gscl_333_user", + ENABLE_ACLK_GSCL, 10, 0, 0), + GATE(CLK_ACLK_BTS_GSCL0, "aclk_bts_gscl0", "mout_aclk_gscl_333_user", + ENABLE_ACLK_GSCL, 9, 0, 0), + GATE(CLK_ACLK_AHB2APB_GSCLP, "aclk_ahb2apb_gsclp", + "mout_aclk_gscl_111_user", ENABLE_ACLK_GSCL, + 8, CLK_IGNORE_UNUSED, 0), + GATE(CLK_ACLK_XIU_GSCLX, "aclk_xiu_gsclx", "mout_aclk_gscl_333_user", + ENABLE_ACLK_GSCL, 7, 0, 0), + GATE(CLK_ACLK_GSCLNP_111, "aclk_gsclnp_111", "mout_aclk_gscl_111_user", + ENABLE_ACLK_GSCL, 6, CLK_IGNORE_UNUSED, 0), + GATE(CLK_ACLK_GSCLRTND_333, "aclk_gsclrtnd_333", + "mout_aclk_gscl_333_user", ENABLE_ACLK_GSCL, 5, 0, 0), + GATE(CLK_ACLK_GSCLBEND_333, "aclk_gsclbend_333", + "mout_aclk_gscl_333_user", ENABLE_ACLK_GSCL, 4, 0, 0), + GATE(CLK_ACLK_GSD, "aclk_gsd", "mout_aclk_gscl_333_user", + ENABLE_ACLK_GSCL, 3, 0, 0), + GATE(CLK_ACLK_GSCL2, "aclk_gscl2", "mout_aclk_gscl_333_user", + ENABLE_ACLK_GSCL, 2, 0, 0), + GATE(CLK_ACLK_GSCL1, "aclk_gscl1", "mout_aclk_gscl_333_user", + ENABLE_ACLK_GSCL, 1, 0, 0), + GATE(CLK_ACLK_GSCL0, "aclk_gscl0", "mout_aclk_gscl_333_user", + ENABLE_ACLK_GSCL, 0, 0, 0), + + /* ENABLE_ACLK_GSCL_SECURE_SMMU_GSCL0 */ + GATE(CLK_ACLK_SMMU_GSCL0, "aclk_smmu_gscl0", "mout_aclk_gscl_333_user", + ENABLE_ACLK_GSCL_SECURE_SMMU_GSCL0, 0, 0, 0), + + /* ENABLE_ACLK_GSCL_SECURE_SMMU_GSCL1 */ + GATE(CLK_ACLK_SMMU_GSCL1, "aclk_smmu_gscl1", "mout_aclk_gscl_333_user", + ENABLE_ACLK_GSCL_SECURE_SMMU_GSCL1, 0, 0, 0), + + /* ENABLE_ACLK_GSCL_SECURE_SMMU_GSCL2 */ + GATE(CLK_ACLK_SMMU_GSCL2, "aclk_smmu_gscl2", "mout_aclk_gscl_333_user", + ENABLE_ACLK_GSCL_SECURE_SMMU_GSCL2, 0, 0, 0), + + /* ENABLE_PCLK_GSCL */ + GATE(CLK_PCLK_BTS_GSCL2, "pclk_bts_gscl2", "mout_aclk_gscl_111_user", + ENABLE_PCLK_GSCL, 7, 0, 0), + GATE(CLK_PCLK_BTS_GSCL1, "pclk_bts_gscl1", "mout_aclk_gscl_111_user", + ENABLE_PCLK_GSCL, 6, 0, 0), + GATE(CLK_PCLK_BTS_GSCL0, "pclk_bts_gscl0", "mout_aclk_gscl_111_user", + ENABLE_PCLK_GSCL, 5, 0, 0), + GATE(CLK_PCLK_PMU_GSCL, "pclk_pmu_gscl", "mout_aclk_gscl_111_user", + ENABLE_PCLK_GSCL, 4, CLK_IGNORE_UNUSED, 0), + GATE(CLK_PCLK_SYSREG_GSCL, "pclk_sysreg_gscl", + "mout_aclk_gscl_111_user", ENABLE_PCLK_GSCL, + 3, CLK_IGNORE_UNUSED, 0), + GATE(CLK_PCLK_GSCL2, "pclk_gscl2", "mout_aclk_gscl_111_user", + ENABLE_PCLK_GSCL, 2, 0, 0), + GATE(CLK_PCLK_GSCL1, "pclk_gscl1", "mout_aclk_gscl_111_user", + ENABLE_PCLK_GSCL, 1, 0, 0), + GATE(CLK_PCLK_GSCL0, "pclk_gscl0", "mout_aclk_gscl_111_user", + ENABLE_PCLK_GSCL, 0, 0, 0), + + /* ENABLE_PCLK_GSCL_SECURE_SMMU_GSCL0 */ + GATE(CLK_PCLK_SMMU_GSCL0, "pclk_smmu_gscl0", "mout_aclk_gscl_111_user", + ENABLE_PCLK_GSCL_SECURE_SMMU_GSCL0, 0, 0, 0), + + /* ENABLE_PCLK_GSCL_SECURE_SMMU_GSCL1 */ + GATE(CLK_PCLK_SMMU_GSCL1, "pclk_smmu_gscl1", "mout_aclk_gscl_111_user", + ENABLE_PCLK_GSCL_SECURE_SMMU_GSCL0, 0, 0, 0), + + /* ENABLE_PCLK_GSCL_SECURE_SMMU_GSCL2 */ + GATE(CLK_PCLK_SMMU_GSCL2, "pclk_smmu_gscl2", "mout_aclk_gscl_111_user", + ENABLE_PCLK_GSCL_SECURE_SMMU_GSCL0, 0, 0, 0), +}; + +static struct samsung_cmu_info gscl_cmu_info __initdata = { + .mux_clks = gscl_mux_clks, + .nr_mux_clks = ARRAY_SIZE(gscl_mux_clks), + .gate_clks = gscl_gate_clks, + .nr_gate_clks = ARRAY_SIZE(gscl_gate_clks), + .nr_clk_ids = GSCL_NR_CLK, + .clk_regs = gscl_clk_regs, + .nr_clk_regs = ARRAY_SIZE(gscl_clk_regs), +}; + +static void __init exynos5433_cmu_gscl_init(struct device_node *np) +{ + samsung_cmu_register_one(np, &gscl_cmu_info); +} +CLK_OF_DECLARE(exynos5433_cmu_gscl, "samsung,exynos5433-cmu-gscl", + exynos5433_cmu_gscl_init); diff --git a/include/dt-bindings/clock/exynos5433.h b/include/dt-bindings/clock/exynos5433.h index 04d4dbf..15d51b8 100644 --- a/include/dt-bindings/clock/exynos5433.h +++ b/include/dt-bindings/clock/exynos5433.h @@ -147,8 +147,10 @@ #define CLK_SCLK_UFSUNIPRO_FSYS 229 #define CLK_SCLK_USBHOST30_FSYS 230 #define CLK_SCLK_USBDRD30_FSYS 231 +#define CLK_ACLK_GSCL_111 232 +#define CLK_ACLK_GSCL_333 233 -#define TOP_NR_CLK 232 +#define TOP_NR_CLK 234 /* CMU_CPIF */ #define CLK_FOUT_MPHY_PLL 1 @@ -805,4 +807,37 @@ #define G3D_NR_CLK 20 +/* CMU_GSCL */ +#define CLK_MOUT_ACLK_GSCL_111_USER 1 +#define CLK_MOUT_ACLK_GSCL_333_USER 2 + +#define CLK_ACLK_BTS_GSCL2 3 +#define CLK_ACLK_BTS_GSCL1 4 +#define CLK_ACLK_BTS_GSCL0 5 +#define CLK_ACLK_AHB2APB_GSCLP 6 +#define CLK_ACLK_XIU_GSCLX 7 +#define CLK_ACLK_GSCLNP_111 8 +#define CLK_ACLK_GSCLRTND_333 9 +#define CLK_ACLK_GSCLBEND_333 10 +#define CLK_ACLK_GSD 11 +#define CLK_ACLK_GSCL2 12 +#define CLK_ACLK_GSCL1 13 +#define CLK_ACLK_GSCL0 14 +#define CLK_ACLK_SMMU_GSCL0 15 +#define CLK_ACLK_SMMU_GSCL1 16 +#define CLK_ACLK_SMMU_GSCL2 17 +#define CLK_PCLK_BTS_GSCL2 18 +#define CLK_PCLK_BTS_GSCL1 19 +#define CLK_PCLK_BTS_GSCL0 20 +#define CLK_PCLK_PMU_GSCL 21 +#define CLK_PCLK_SYSREG_GSCL 22 +#define CLK_PCLK_GSCL2 23 +#define CLK_PCLK_GSCL1 24 +#define CLK_PCLK_GSCL0 25 +#define CLK_PCLK_SMMU_GSCL0 26 +#define CLK_PCLK_SMMU_GSCL1 27 +#define CLK_PCLK_SMMU_GSCL2 28 + +#define GSCL_NR_CLK 29 + #endif /* _DT_BINDINGS_CLOCK_EXYNOS5433_H */ -- 1.8.5.5 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html