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Commit 4f59ebed authored by Seungwon Jeon's avatar Seungwon Jeon Committed by Kukjin Kim
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ARM: dts: Add HS400 support for exynos5420 and exynos5800 



HS400 timing values are added for SMDK5420, exynos5420-peach-pit
and exynos5800-peach-pi boards. This also adds RCLK GPIO line,
this gpio should be in pull-down state.
This also enables HS400 on peach-pi and this updates the clock
frequency to 800MHz to be set as input clock to controller.

Signed-off-by: default avatarSeungwon Jeon <tgih.jun@samsung.com>
[alim.akhtar@samsung.com: addressed review comments]
Signed-off-by: default avatarAlim Akhtar <alim.akhtar@samsung.com>
Acked-by: default avatarJaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: default avatarKukjin Kim <kgene@kernel.org>
parent fa87bd43

arch/arm/boot/dts/exynos5420-peach-pit.dts

+3 −1
Original line number Diff line number Diff line
@@ -699,8 +699,10 @@ 
	samsung,dw-mshc-ciu-div = <3>;

	samsung,dw-mshc-sdr-timing = <0 4>;

	samsung,dw-mshc-ddr-timing = <0 2>;

	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>;

	pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus1 &sd0_bus4 &sd0_bus8 &sd0_rclk>;

	bus-width = <8>;

};

arch/arm/boot/dts/exynos5420-pinctrl.dtsi

+7 −0
Original line number Diff line number Diff line
@@ -201,6 +201,13 @@ 
			samsung,pin-drv = <3>;

		};



		sd0_rclk: sd0-rclk {

			samsung,pins = "gpc0-7";

			samsung,pin-function = <2>;

			samsung,pin-pud = <1>;

			samsung,pin-drv = <3>;

		};



		sd1_cmd: sd1-cmd {

			samsung,pins = "gpc1-1";

			samsung,pin-function = <2>;

arch/arm/boot/dts/exynos5420-smdk5420.dts

+4 −1
Original line number Diff line number Diff line
@@ -80,8 +80,11 @@ 
		samsung,dw-mshc-ciu-div = <3>;

		samsung,dw-mshc-sdr-timing = <0 4>;

		samsung,dw-mshc-ddr-timing = <0 2>;

		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>;

		pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus1 &sd0_bus4 &sd0_bus8

			     &sd0_rclk>;

		bus-width = <8>;

		cap-mmc-highspeed;

	};

arch/arm/boot/dts/exynos5800-peach-pi.dts

+5 −2
Original line number Diff line number Diff line
@@ -654,15 +654,18 @@ 
	num-slots = <1>;

	broken-cd;

	mmc-hs200-1_8v;

	mmc-hs400-1_8v;

	cap-mmc-highspeed;

	non-removable;

	card-detect-delay = <200>;

	clock-frequency = <400000000>;

	clock-frequency = <800000000>;

	samsung,dw-mshc-ciu-div = <3>;

	samsung,dw-mshc-sdr-timing = <0 4>;

	samsung,dw-mshc-ddr-timing = <0 2>;

	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>;

	pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus1 &sd0_bus4 &sd0_bus8 &sd0_rclk>;

	bus-width = <8>;

};