From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rahul Sharma Subject: [PATCH v2 4/6] dts: exynos: add device tree support for exynos5 hdmiddc Date: Sat, 13 Oct 2012 02:12:33 +0530 Message-ID: <1350074555-26018-5-git-send-email-rahul.sharma@samsung.com> References: <1350074555-26018-1-git-send-email-rahul.sharma@samsung.com> Return-path: In-reply-to: <1350074555-26018-1-git-send-email-rahul.sharma@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, t.stanislaws@samsung.com, sw0312.kim@samsung.com, inki.dae@samsung.com, jy0922.shim@samsung.com, kyungmin.park@samsung.com, thomas.ab@samsung.com, prashanth.g@samsung.com, joshi@samsung.com, s.shirish@samsung.com, r.sh.open@gmail.com, rahul.sharma@samsung.com List-Id: devicetree@vger.kernel.org This patch adds support for device tree based discovery for exynos5 hdmi ddc. Signed-off-by: Rahul Sharma --- .../devicetree/bindings/drm/exynos/hdmiddc.txt | 12 ++++++++++++ arch/arm/boot/dts/exynos5250-smdk5250.dts | 10 +++++++++- arch/arm/mach-exynos/mach-exynos5-dt.c | 2 ++ 3 files changed, 23 insertions(+), 1 deletions(-) create mode 100644 Documentation/devicetree/bindings/drm/exynos/hdmiddc.txt diff --git a/Documentation/devicetree/bindings/drm/exynos/hdmiddc.txt b/Documentation/devicetree/bindings/drm/exynos/hdmiddc.txt new file mode 100644 index 0000000..c408892 --- /dev/null +++ b/Documentation/devicetree/bindings/drm/exynos/hdmiddc.txt @@ -0,0 +1,12 @@ +Device-Tree bindings for hdmiddc driver + +Required properties: +- compatible: value should be "samsung,exynos5-hdmiddc". +- reg: I2C address of the hdmiddc device. + +Example: + + hdmiddc { + compatible = "samsung,exynos5-hdmiddc"; + reg = <0x50>; + }; \ No newline at end of file diff --git a/arch/arm/boot/dts/exynos5250-smdk5250.dts b/arch/arm/boot/dts/exynos5250-smdk5250.dts index af9271c..be22a83 100644 --- a/arch/arm/boot/dts/exynos5250-smdk5250.dts +++ b/arch/arm/boot/dts/exynos5250-smdk5250.dts @@ -56,7 +56,15 @@ }; i2c@12C80000 { - status = "disabled"; + samsung,i2c-sda-delay = <100>; + samsung,i2c-max-bus-freq = <66000>; + gpios = <&gpa0 6 3 3 0>, + <&gpa0 7 3 3 0>; + + hdmiddc { + compatible = "samsung,exynos5-hdmiddc"; + reg = <0x50>; + }; }; i2c@12C90000 { diff --git a/arch/arm/mach-exynos/mach-exynos5-dt.c b/arch/arm/mach-exynos/mach-exynos5-dt.c index 3f129db..003963c 100644 --- a/arch/arm/mach-exynos/mach-exynos5-dt.c +++ b/arch/arm/mach-exynos/mach-exynos5-dt.c @@ -47,6 +47,8 @@ static const struct of_dev_auxdata exynos5250_auxdata_lookup[] __initconst = { "s3c2440-i2c.0", NULL), OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS5_PA_IIC(1), "s3c2440-i2c.1", NULL), + OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS5_PA_IIC(2), + "s3c2440-i2c.2", NULL), OF_DEV_AUXDATA("samsung,s3c2440-hdmiphy-i2c", EXYNOS5_PA_IIC(8), "s3c2440-hdmiphy-i2c", NULL), OF_DEV_AUXDATA("samsung,exynos5250-dw-mshc", EXYNOS5_PA_DWMCI0, -- 1.7.0.4