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Commit 72beabae authored Jun 28, 2012 by Shawn Guo

ARM: dts: imx23-evk: updates for mmc device



The 8-bit mode mmc has pin conflicts with display.  Let's use 4-bit
mode by default, so that display can be enabled together later.

Also add vmmc-supply for mmc device.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

parent d54dbb50

arch/arm/boot/dts/imx23-evk.dts

+15 −2

Original line number	Diff line number	Diff line
		@@ -25,9 +25,10 @@
		ssp0: ssp@80010000 {
		compatible = "fsl,imx23-mmc";
		pinctrl-names = "default";
		pinctrl-0 = <&mmc0_8bit_pins_a &mmc0_pins_fixup>;
		bus-width = <8>;
		pinctrl-0 = <&mmc0_4bit_pins_a &mmc0_pins_fixup>;
		bus-width = <4>;
		wp-gpios = <&gpio1 30 0>;
		vmmc-supply = <&reg_vddio_sd0>;
		status = "okay";
		};

		@@ -57,4 +58,16 @@
		};
		};
		};

		regulators {
		compatible = "simple-bus";

		reg_vddio_sd0: vddio-sd0 {
		compatible = "regulator-fixed";
		regulator-name = "vddio-sd0";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		gpio = <&gpio1 29 0>;
		};
		};
		};

arch/arm/boot/dts/imx23.dtsi

+16 −0

Original line number	Diff line number	Diff line
		@@ -123,6 +123,22 @@
		fsl,pull-up = <0>;
		};

		mmc0_4bit_pins_a: mmc0-4bit@0 {
		reg = <0>;
		fsl,pinmux-ids = <
		0x2020 /* MX23_PAD_SSP1_DATA0__SSP1_DATA0 */
		0x2030 /* MX23_PAD_SSP1_DATA1__SSP1_DATA1 */
		0x2040 /* MX23_PAD_SSP1_DATA2__SSP1_DATA2 */
		0x2050 /* MX23_PAD_SSP1_DATA3__SSP1_DATA3 */
		0x2000 /* MX23_PAD_SSP1_CMD__SSP1_CMD */
		0x2010 /* MX23_PAD_SSP1_DETECT__SSP1_DETECT */
		0x2060 /* MX23_PAD_SSP1_SCK__SSP1_SCK */
		>;
		fsl,drive-strength = <1>;
		fsl,voltage = <1>;
		fsl,pull-up = <1>;
		};

		mmc0_8bit_pins_a: mmc0-8bit@0 {
		reg = <0>;
		fsl,pinmux-ids = <