From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anand Moon Subject: [PATCH] ARM: dts: exynos: Add pin configuration for read strobe for Odroid XU3/XU4 eMMC Date: Fri, 22 Feb 2019 10:19:48 +0000 Message-ID: <20190222101948.848-1-linux.amoon@gmail.com> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: Sender: linux-kernel-owner@vger.kernel.org To: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org Cc: Rob Herring , Krzysztof Kozlowski , Marek Szyprowski , linux-kernel@vger.kernel.org List-Id: devicetree@vger.kernel.org Add Read Strobe RDQS pin configuration for eMMC to support higher data rate read/write. Signed-off-by: Anand Moon --- arch/arm/boot/dts/exynos5420-pinctrl.dtsi | 6 ++++++ arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi | 2 +- 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/exynos5420-pinctrl.dtsi b/arch/arm/boot/dts/exynos5420-pinctrl.dtsi index b82af7c89654..4fb3865e082a 100644 --- a/arch/arm/boot/dts/exynos5420-pinctrl.dtsi +++ b/arch/arm/boot/dts/exynos5420-pinctrl.dtsi @@ -206,6 +206,12 @@ samsung,pin-drv = ; }; + sd0_rdqs: sd0-rdqs { + samsung,pins = "gpc0-7"; + samsung,pin-function = ; + samsung,pin-pud = ; + }; + sd1_clk: sd1-clk { samsung,pins = "gpc1-0"; samsung,pin-function = ; diff --git a/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi b/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi index b299e541cac0..d41397748ed2 100644 --- a/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi +++ b/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi @@ -411,7 +411,7 @@ samsung,dw-mshc-hs400-timing = <0 2>; samsung,read-strobe-delay = <90>; pinctrl-names = "default"; - pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus1 &sd0_bus4 &sd0_bus8 &sd0_cd &sd0_rclk>; + pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_rdqs &sd0_bus1 &sd0_bus4 &sd0_bus8 &sd0_cd &sd0_rclk>; bus-width = <8>; cap-mmc-highspeed; mmc-hs200-1_8v; -- 2.20.1