diff options
| -rw-r--r-- | Documentation/devicetree/bindings/media/exynos5-gsc.txt | 30 | ||||
| -rw-r--r-- | arch/arm/boot/dts/exynos5250.dtsi | 28 | ||||
| -rw-r--r-- | arch/arm/mach-exynos/clock-exynos5.c | 86 | ||||
| -rw-r--r-- | arch/arm/mach-exynos/include/mach/map.h | 5 | ||||
| -rw-r--r-- | arch/arm/mach-exynos/mach-exynos5-dt.c | 8 |
5 files changed, 157 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/media/exynos5-gsc.txt b/Documentation/devicetree/bindings/media/exynos5-gsc.txt new file mode 100644 index 000000000000..0604d42f38d1 --- /dev/null +++ b/Documentation/devicetree/bindings/media/exynos5-gsc.txt @@ -0,0 +1,30 @@ +* Samsung Exynos5 G-Scaler device + +G-Scaler is used for scaling and color space conversion on EXYNOS5 SoCs. + +Required properties: +- compatible: should be "samsung,exynos5-gsc" +- reg: should contain G-Scaler physical address location and length. +- interrupts: should contain G-Scaler interrupt number + +Example: + +gsc_0: gsc@0x13e00000 { + compatible = "samsung,exynos5-gsc"; + reg = <0x13e00000 0x1000>; + interrupts = <0 85 0>; +}; + +Aliases: +Each G-Scaler node should have a numbered alias in the aliases node, +in the form of gscN, N = 0...3. G-Scaler driver uses these aliases +to retrieve the device IDs using "of_alias_get_id()" call. + +Example: + +aliases { + gsc0 =&gsc_0; + gsc1 =&gsc_1; + gsc2 =&gsc_2; + gsc3 =&gsc_3; +}; diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi index 004aaa8d123c..b55794b494b4 100644 --- a/arch/arm/boot/dts/exynos5250.dtsi +++ b/arch/arm/boot/dts/exynos5250.dtsi @@ -27,6 +27,10 @@ spi0 = &spi_0; spi1 = &spi_1; spi2 = &spi_2; + gsc0 = &gsc_0; + gsc1 = &gsc_1; + gsc2 = &gsc_2; + gsc3 = &gsc_3; }; gic:interrupt-controller@10481000 { @@ -460,4 +464,28 @@ #gpio-cells = <4>; }; }; + + gsc_0: gsc@0x13e00000 { + compatible = "samsung,exynos5-gsc"; + reg = <0x13e00000 0x1000>; + interrupts = <0 85 0>; + }; + + gsc_1: gsc@0x13e10000 { + compatible = "samsung,exynos5-gsc"; + reg = <0x13e10000 0x1000>; + interrupts = <0 86 0>; + }; + + gsc_2: gsc@0x13e20000 { + compatible = "samsung,exynos5-gsc"; + reg = <0x13e20000 0x1000>; + interrupts = <0 87 0>; + }; + + gsc_3: gsc@0x13e30000 { + compatible = "samsung,exynos5-gsc"; + reg = <0x13e30000 0x1000>; + interrupts = <0 88 0>; + }; }; diff --git a/arch/arm/mach-exynos/clock-exynos5.c b/arch/arm/mach-exynos/clock-exynos5.c index 774533c67066..1f819ffebbf1 100644 --- a/arch/arm/mach-exynos/clock-exynos5.c +++ b/arch/arm/mach-exynos/clock-exynos5.c @@ -552,6 +552,68 @@ static struct clksrc_clk exynos5_clk_aclk_66 = { .reg_div = { .reg = EXYNOS5_CLKDIV_TOP0, .shift = 0, .size = 3 }, }; +static struct clksrc_clk exynos5_clk_mout_aclk_300_gscl_mid = { + .clk = { + .name = "mout_aclk_300_gscl_mid", + }, + .sources = &exynos5_clkset_aclk, + .reg_src = { .reg = EXYNOS5_CLKSRC_TOP0, .shift = 24, .size = 1 }, +}; + +static struct clk *exynos5_clkset_aclk_300_mid1_list[] = { + [0] = &exynos5_clk_sclk_vpll.clk, + [1] = &exynos5_clk_mout_cpll.clk, +}; + +static struct clksrc_sources exynos5_clkset_aclk_300_gscl_mid1 = { + .sources = exynos5_clkset_aclk_300_mid1_list, + .nr_sources = ARRAY_SIZE(exynos5_clkset_aclk_300_mid1_list), +}; + +static struct clksrc_clk exynos5_clk_mout_aclk_300_gscl_mid1 = { + .clk = { + .name = "mout_aclk_300_gscl_mid1", + }, + .sources = &exynos5_clkset_aclk_300_gscl_mid1, + .reg_src = { .reg = EXYNOS5_CLKSRC_TOP1, .shift = 12, .size = 1 }, +}; + +static struct clk *exynos5_clkset_aclk_300_gscl_list[] = { + [0] = &exynos5_clk_mout_aclk_300_gscl_mid.clk, + [1] = &exynos5_clk_mout_aclk_300_gscl_mid1.clk, +}; + +static struct clksrc_sources exynos5_clkset_aclk_300_gscl = { + .sources = exynos5_clkset_aclk_300_gscl_list, + .nr_sources = ARRAY_SIZE(exynos5_clkset_aclk_300_gscl_list), +}; + +static struct clksrc_clk exynos5_clk_mout_aclk_300_gscl = { + .clk = { + .name = "mout_aclk_300_gscl", + }, + .sources = &exynos5_clkset_aclk_300_gscl, + .reg_src = { .reg = EXYNOS5_CLKSRC_TOP0, .shift = 25, .size = 1 }, +}; + +static struct clk *exynos5_clk_src_gscl_300_list[] = { + [0] = &clk_ext_xtal_mux, + [1] = &exynos5_clk_mout_aclk_300_gscl.clk, +}; + +static struct clksrc_sources exynos5_clk_src_gscl_300 = { + .sources = exynos5_clk_src_gscl_300_list, + .nr_sources = ARRAY_SIZE(exynos5_clk_src_gscl_300_list), +}; + +static struct clksrc_clk exynos5_clk_aclk_300_gscl = { + .clk = { + .name = "aclk_300_gscl", + }, + .sources = &exynos5_clk_src_gscl_300, + .reg_src = { .reg = EXYNOS5_CLKSRC_TOP3, .shift = 10, .size = 1 }, +}; + static struct clk exynos5_init_clocks_off[] = { { .name = "timers", @@ -764,6 +826,26 @@ static struct clk exynos5_init_clocks_off[] = { .enable = exynos5_clk_ip_peric_ctrl, .ctrlbit = (1 << 18), }, { + .name = "gscl", + .devname = "exynos-gsc.0", + .enable = exynos5_clk_ip_gscl_ctrl, + .ctrlbit = (1 << 0), + }, { + .name = "gscl", + .devname = "exynos-gsc.1", + .enable = exynos5_clk_ip_gscl_ctrl, + .ctrlbit = (1 << 1), + }, { + .name = "gscl", + .devname = "exynos-gsc.2", + .enable = exynos5_clk_ip_gscl_ctrl, + .ctrlbit = (1 << 2), + }, { + .name = "gscl", + .devname = "exynos-gsc.3", + .enable = exynos5_clk_ip_gscl_ctrl, + .ctrlbit = (1 << 3), + }, { .name = SYSMMU_CLOCK_NAME, .devname = SYSMMU_CLOCK_DEVNAME(mfc_l, 0), .enable = &exynos5_clk_ip_mfc_ctrl, @@ -1225,6 +1307,10 @@ static struct clksrc_clk *exynos5_sysclks[] = { &exynos5_clk_aclk_266, &exynos5_clk_aclk_200, &exynos5_clk_aclk_166, + &exynos5_clk_aclk_300_gscl, + &exynos5_clk_mout_aclk_300_gscl, + &exynos5_clk_mout_aclk_300_gscl_mid, + &exynos5_clk_mout_aclk_300_gscl_mid1, &exynos5_clk_aclk_66_pre, &exynos5_clk_aclk_66, &exynos5_clk_dout_mmc0, diff --git a/arch/arm/mach-exynos/include/mach/map.h b/arch/arm/mach-exynos/include/mach/map.h index c72b675b3e4b..0300d7adc151 100644 --- a/arch/arm/mach-exynos/include/mach/map.h +++ b/arch/arm/mach-exynos/include/mach/map.h @@ -121,6 +121,11 @@ #define EXYNOS4_PA_SYSMMU_MFC_L 0x13620000 #define EXYNOS4_PA_SYSMMU_MFC_R 0x13630000 +#define EXYNOS5_PA_GSC0 0x13E00000 +#define EXYNOS5_PA_GSC1 0x13E10000 +#define EXYNOS5_PA_GSC2 0x13E20000 +#define EXYNOS5_PA_GSC3 0x13E30000 + #define EXYNOS5_PA_SYSMMU_MDMA1 0x10A40000 #define EXYNOS5_PA_SYSMMU_SSS 0x10A50000 #define EXYNOS5_PA_SYSMMU_2D 0x10A60000 diff --git a/arch/arm/mach-exynos/mach-exynos5-dt.c b/arch/arm/mach-exynos/mach-exynos5-dt.c index ef770bc2318f..e707eb1b1eab 100644 --- a/arch/arm/mach-exynos/mach-exynos5-dt.c +++ b/arch/arm/mach-exynos/mach-exynos5-dt.c @@ -56,6 +56,14 @@ static const struct of_dev_auxdata exynos5250_auxdata_lookup[] __initconst = { OF_DEV_AUXDATA("arm,pl330", EXYNOS5_PA_PDMA0, "dma-pl330.0", NULL), OF_DEV_AUXDATA("arm,pl330", EXYNOS5_PA_PDMA1, "dma-pl330.1", NULL), OF_DEV_AUXDATA("arm,pl330", EXYNOS5_PA_MDMA1, "dma-pl330.2", NULL), + OF_DEV_AUXDATA("samsung,exynos5-gsc", EXYNOS5_PA_GSC0, + "exynos-gsc.0", NULL), + OF_DEV_AUXDATA("samsung,exynos5-gsc", EXYNOS5_PA_GSC1, + "exynos-gsc.1", NULL), + OF_DEV_AUXDATA("samsung,exynos5-gsc", EXYNOS5_PA_GSC2, + "exynos-gsc.2", NULL), + OF_DEV_AUXDATA("samsung,exynos5-gsc", EXYNOS5_PA_GSC3, + "exynos-gsc.3", NULL), {}, }; 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