Commit e7f83e8f authored by Nikita Kiryanov's avatar Nikita Kiryanov Committed by Tony Lindgren
Browse files

ARM: dts: am437x: cm-t43: add eMMC support 



One of the CompuLab cm-t43 configurations comes with on-board eMMC as
primary storage, residing on the mmc2 interface. Add it to the device tree.

Signed-off-by: default avatarNikita Kiryanov <nikita@compulab.co.il>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Benoit Cousson <bcousson@baylibre.com>
Cc: Rob Herring <robh@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Igor Grinberg <grinberg@compulab.co.il>
Cc: Dmitry Lifshitz <lifshitz@compulab.co.il>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent 9fc830b0

arch/arm/boot/dts/am437x-cm-t43.dts

+33 −0
Original line number Diff line number Diff line
@@ -26,6 +26,15 @@ ledb { 
			linux,default-trigger = "heartbeat";

		};

	};



	vmmc_3v3: fixedregulator-v3_3 {

		compatible = "regulator-fixed";

		regulator-name = "vmmc_3v3";

		regulator-min-microvolt = <3300000>;

		regulator-max-microvolt = <3300000>;

		regulator-always-on;

		enable-active-high;

	};

};



&am43xx_pinmux {
@@ -45,6 +54,21 @@ AM4372_IOPAD(0x98c, PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0) /* i2c0_scl.i 
		>;

	};



	emmc_pins: emmc_pins {

		pinctrl-single,pins = <

			AM4372_IOPAD(0x820, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_ad8.mmc1_dat0 */

			AM4372_IOPAD(0x824, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_ad9.mmc1_dat1 */

			AM4372_IOPAD(0x828, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_ad10.mmc1_dat2 */

			AM4372_IOPAD(0x82c, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_ad11.mmc1_dat3 */

			AM4372_IOPAD(0x830, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_ad12.mmc1_dat4 */

			AM4372_IOPAD(0x834, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_ad13.mmc1_dat5 */

			AM4372_IOPAD(0x838, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_ad14.mmc1_dat6 */

			AM4372_IOPAD(0x83c, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_ad15.mmc1_dat7 */

			AM4372_IOPAD(0x880, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_csn1.mmc1_clk */

			AM4372_IOPAD(0x884, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_csn2.mmc1_cmd */

		>;

	};



	spi0_pins: pinmux_spi0_pins {

		pinctrl-single,pins = <

			AM4372_IOPAD(0x950, PIN_INPUT | MUX_MODE0) /* spi0_sclk.spi0_sclk */
@@ -271,6 +295,15 @@ &gpio5 { 
	status = "okay";

};



&mmc2 {

	status = "okay";

	pinctrl-names = "default";

	pinctrl-0 = <&emmc_pins>;

	vmmc-supply = <&vmmc_3v3>;

	bus-width = <8>;

	ti,non-removable;

};



&spi0 {

	status = "okay";

	pinctrl-names = "default";