Commit 72beabae authored by Shawn Guo's avatar Shawn Guo
Browse files

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: default avatarShawn 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 @@ apbh@80000000 { 
			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 @@ duart: serial@80070000 { 
			};

		};

	};



	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 @@ duart_pins_a: duart@0 { 
					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 = <