From mboxrd@z Thu Jan 1 00:00:00 1970 From: Shaik Ameer Basha Subject: [PATCH RESEND v2 2/2] ARM: EXYNOS: Add gscaler device from DT Date: Mon, 16 Jul 2012 11:03:23 +0530 Message-ID: <1342416803-30809-3-git-send-email-shaik.ameer@samsung.com> References: <1342416803-30809-1-git-send-email-shaik.ameer@samsung.com> Return-path: In-reply-to: <1342416803-30809-1-git-send-email-shaik.ameer@samsung.com> Sender: linux-samsung-soc-owner@vger.kernel.org To: linux-samsung-soc@vger.kernel.org, devicetree-discuss@lists.ozlabs.org Cc: kgene.kim@samsung.com, olofj@google.com, thomas.ab@samsung.com, sylvester.nawrocki@gmail.com, sachin.kamat@linaro.org, joshi@samsung.com, ameersk@gmail.com, shaik.ameer@samsung.com List-Id: devicetree@vger.kernel.org This patch adds, - 4 Gscaler devices to the DT device list - Gscaler specific entries to the machine file - binding documentation for Gscaler entries Signed-off-by: Abhilash Kesavan Signed-off-by: Leela Krishna Amudala Signed-off-by: Shaik Ameer Basha --- .../devicetree/bindings/media/exynos5-gsc.txt | 16 ++++++++++ arch/arm/boot/dts/exynos5250.dtsi | 31 ++++++++++++++++++++ arch/arm/mach-exynos/include/mach/map.h | 3 ++ arch/arm/mach-exynos/mach-exynos5-dt.c | 8 +++++ 4 files changed, 58 insertions(+), 0 deletions(-) create mode 100644 Documentation/devicetree/bindings/media/exynos5-gsc.txt diff --git a/Documentation/devicetree/bindings/media/exynos5-gsc.txt b/Documentation/devicetree/bindings/media/exynos5-gsc.txt new file mode 100644 index 0000000..f743c60 --- /dev/null +++ b/Documentation/devicetree/bindings/media/exynos5-gsc.txt @@ -0,0 +1,16 @@ +* Samsung Exynos5 Gscaler device + +Gscaler is used for scaling and color space conversion on EXYNOS5 SoCs. + +Required properties: +- compatible: should be "samsung,exynos-gsc" +- reg: should contian Gsaler physical address location and length. +- interrupts: should contain Gscaler interrupt number + +Example: + +gsc_0: gsc@0x13e00000 { + compatible = "samsung,exynos-gsc"; + reg = <0x13e00000 0x1000>; + interrupts = <0 85 0>; +}; diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi index 4272b29..b945c00 100644 --- a/arch/arm/boot/dts/exynos5250.dtsi +++ b/arch/arm/boot/dts/exynos5250.dtsi @@ -23,6 +23,13 @@ compatible = "samsung,exynos5250"; interrupt-parent = <&gic>; + aliases { + gsc0 = &gsc_0; + gsc1 = &gsc_1; + gsc2 = &gsc_2; + gsc3 = &gsc_3; + }; + gic:interrupt-controller@10481000 { compatible = "arm,cortex-a9-gic"; #interrupt-cells = <3>; @@ -424,4 +431,28 @@ #gpio-cells = <4>; }; }; + + gsc_0: gsc@0x13e00000 { + compatible = "samsung,exynos-gsc"; + reg = <0x13e00000 0x1000>; + interrupts = <0 85 0>; + }; + + gsc_1: gsc@0x13e10000 { + compatible = "samsung,exynos-gsc"; + reg = <0x13e10000 0x1000>; + interrupts = <0 86 0>; + }; + + gsc_2: gsc@0x13e20000 { + compatible = "samsung,exynos-gsc"; + reg = <0x13e20000 0x1000>; + interrupts = <0 87 0>; + }; + + gsc_3: gsc@0x13e30000 { + compatible = "samsung,exynos-gsc"; + reg = <0x13e30000 0x1000>; + interrupts = <0 88 0>; + }; }; diff --git a/arch/arm/mach-exynos/include/mach/map.h b/arch/arm/mach-exynos/include/mach/map.h index ca4aa89..e68d249 100644 --- a/arch/arm/mach-exynos/include/mach/map.h +++ b/arch/arm/mach-exynos/include/mach/map.h @@ -121,6 +121,9 @@ #define EXYNOS4_PA_SYSMMU_MFC_L 0x13620000 #define EXYNOS4_PA_SYSMMU_MFC_R 0x13630000 +/* x = 0...3 */ +#define EXYNOS5_PA_GSC(x) (0x13e00000 + ((x) * 0x10000)) + #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 7b1e11a..9eb83b6 100644 --- a/arch/arm/mach-exynos/mach-exynos5-dt.c +++ b/arch/arm/mach-exynos/mach-exynos5-dt.c @@ -50,6 +50,14 @@ 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,exynos-gsc", EXYNOS5_PA_GSC(0), + "exynos-gsc.0", NULL), + OF_DEV_AUXDATA("samsung,exynos-gsc", EXYNOS5_PA_GSC(1), + "exynos-gsc.1", NULL), + OF_DEV_AUXDATA("samsung,exynos-gsc", EXYNOS5_PA_GSC(2), + "exynos-gsc.2", NULL), + OF_DEV_AUXDATA("samsung,exynos-gsc", EXYNOS5_PA_GSC(3), + "exynos-gsc.3", NULL), {}, }; -- 1.7.0.4