From mboxrd@z Thu Jan 1 00:00:00 1970 From: Milo Kim Subject: [PATCH 1/4] ARM: dts: exynos: Enable HDMI for Arndale Octa board Date: Tue, 23 Aug 2016 18:13:36 +0900 Message-ID: <1471943619-6102-2-git-send-email-woogyom.kim@gmail.com> References: <1471943619-6102-1-git-send-email-woogyom.kim@gmail.com> Return-path: In-Reply-To: <1471943619-6102-1-git-send-email-woogyom.kim@gmail.com> Sender: linux-kernel-owner@vger.kernel.org To: Inki Dae , Joonyoung Shim , Seung-Woo Kim , Rob Herring Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Milo Kim List-Id: devicetree@vger.kernel.org * Support HDMI display data channel I2C #2 is assigned for the HDMI DDC. It enables the EDID access. * GPIO for HDMI hot plug detect GPX3_7 is used. The HPD awareness is done when the GPIO is active high and single ended. * Enable HDMI block in Exynos5420 HDMI PLL consumes 1.0V LDO6 (PVDD_ANAIP_1V0) and HDMI oscillator requires 1.8V LDO7 (PVDD_ANAIP_1V8). Cc: Inki Dae Cc: Joonyoung Shim Cc: Seung-Woo Kim Cc: Rob Herring Cc: devicetree@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-samsung-soc@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: dri-devel@lists.freedesktop.org Signed-off-by: Milo Kim --- arch/arm/boot/dts/exynos5420-arndale-octa.dts | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/arch/arm/boot/dts/exynos5420-arndale-octa.dts b/arch/arm/boot/dts/exynos5420-arndale-octa.dts index 39a3b81..df362a2 100644 --- a/arch/arm/boot/dts/exynos5420-arndale-octa.dts +++ b/arch/arm/boot/dts/exynos5420-arndale-octa.dts @@ -70,6 +70,23 @@ status = "disabled"; }; +&i2c_2 { + samsung,i2c-slave-addr = <0x50>; + status = "okay"; + + hdmiddc@50 { + compatible = "samsung,exynos4210-hdmiddc"; + reg = <0x50>; + }; +}; + +&hdmi { + hpd-gpios = <&gpx3 7 GPIO_OPEN_SOURCE>; + vdd_osc-supply = <&ldo7_reg>; + vdd_pll-supply = <&ldo6_reg>; + status = "okay"; +}; + &hsi2c_4 { status = "okay"; -- 1.9.1