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Commit a3f8c564 authored by Alexandre Belloni's avatar Alexandre Belloni Committed by Shawn Guo
Browse files

ARM: dt: imx28-cfa10036: introduce a regulator for mmc0 



The PWM3 pinmux configuration conflicts with gpio 3.28. Introduce a regulator
for mmc0 so that it conflicts with the pwm driver and fails gracefully. The
kernel will then able to access mmc0 normally.

Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: default avatarShawn Guo <shawn.guo@freescale.com>
parent 01d41c9c

arch/arm/boot/dts/imx28-cfa10036.dts

+22 −0
Original line number Diff line number Diff line
@@ -53,6 +53,17 @@ 
					fsl,pull-up = <MXS_PULL_DISABLE>;

				};



				mmc_pwr_cfa10036: mmc_pwr_cfa10036@0 {

					reg = <0>;

					fsl,pinmux-ids = <

						0x31c3 /*

						MX28_PAD_PWM3__GPIO_3_28 */

					>;

					fsl,drive-strength = <0>;

					fsl,voltage = <1>;

					fsl,pull-up = <0>;

				};



			};



			ssp0: ssp@80010000 {
@@ -60,6 +71,7 @@ 
				pinctrl-names = "default";

				pinctrl-0 = <&mmc0_4bit_pins_a

					&mmc0_cd_cfg &mmc0_sck_cfg>;

				vmmc-supply = <&reg_vddio_sd0>;

				bus-width = <4>;

				status = "okay";

			};
@@ -116,4 +128,14 @@ 
			default-state = "on";

		};

	};



	reg_vddio_sd0: vddio-sd0 {

		compatible = "regulator-fixed";

		pinctrl-names = "default";

		pinctrl-0 = <&mmc_pwr_cfa10036>;

		regulator-name = "vddio-sd0";

		regulator-min-microvolt = <3300000>;

		regulator-max-microvolt = <3300000>;

		gpio = <&gpio3 28 0>;

	};

};