linux-kernel - [PATCH] arm64: dts: exynos: add the mshc

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Message-id: <20161118071224.12876-1-jh80.chung@samsung.com>
Date:   Fri, 18 Nov 2016 16:12:24 +0900
From:   Jaehoon Chung <jh80.chung@...sung.com>
To:     linux-samsung-soc@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        kgene@...nel.org, krzk@...nel.org, cw00.choi@...sung.com,
        robh+dt@...nel.org, mark.rutland@....com, catalin.marinas@....com,
        will.deacon@....com, Jaehoon Chung <jh80.chung@...sung.com>
Subject: [PATCH] arm64: dts: exynos: add the mshc_2 node for supporting T-Flash

Add the mshc_2 node for supporting T-flash.

And it needs to add the "mshc*" aliases. Because dwmmc driver should be
assigned to "ctrl_id" after parsing to "mshc".
If there is no aliases for mshc, then it might be set to the wrong
capabilities.

Signed-off-by: Jaehoon Chung <jh80.chung@...sung.com>
---
 arch/arm64/boot/dts/exynos/exynos5433-tm2.dts | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts b/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
index 9ea3f32..75dab01 100644
--- a/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
+++ b/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
@@ -42,6 +42,8 @@
 		spi2 = &spi_2;
 		spi3 = &spi_3;
 		spi4 = &spi_4;
+		mshc0 = &mshc_0;
+		mshc2 = &mshc_2;
 	};
 
 	chosen {
@@ -661,6 +663,23 @@
 	assigned-clock-rates = <800000000>;
 };
 
+&mshc_2 {
+	status = "okay";
+	num-slots = <1>;
+	cap-sd-highspeed;
+	disable-wp;
+	cd-gpios = <&gpa2 4 0>;
+	cd-inverted;
+	card-detect-delay = <200>;
+	samsung,dw-mshc-ciu-div = <3>;
+	samsung,dw-mshc-sdr-timing = <0 4>;
+	samsung,dw-mshc-ddr-timing = <0 2>;
+	fifo-depth = <0x80>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus1 &sd2_bus4>;
+	bus-width = <4>;
+};
+
 &pinctrl_alive {
 	pinctrl-names = "default";
 	pinctrl-0 = <&initial_alive>;
-- 
2.10.1