ARM: dts: am437x: cm-t43: add support for mmc1

On SBC-T43 the mmc1 interface is connected to an SD-Card slot.
Add the necessary muxing and configuration to the device tree.

Signed-off-by: Nikita 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: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/boot/dts/am437x-sbc-t43.dts b/arch/arm/boot/dts/am437x-sbc-t43.dts
index 46b28318d91ad0fcabd73757a54c45f18fc1b5f2..6b51151dd7dfc96a5ac636b94ce25da5257444bd 100644 (file)
--- a/arch/arm/boot/dts/am437x-sbc-t43.dts
+++ b/arch/arm/boot/dts/am437x-sbc-t43.dts
@@ -7,6 +7,7 @@
  */
 
 #include "am437x-cm-t43.dts"
+#include "compulab-sb-som.dtsi"
 
 / {
        model = "CompuLab CM-T43 on SB-SOM-T43";
@@ -14,6 +15,19 @@
 };
 
 &am43xx_pinmux {
+       mmc1_pins: pinmux_mmc1_pins {
+               pinctrl-single,pins = <
+                       AM4372_IOPAD(0x900, PIN_INPUT_PULLUP | MUX_MODE0) /* mmc0_clk.mmc0_clk */
+                       AM4372_IOPAD(0x904, PIN_INPUT_PULLUP | MUX_MODE0) /* mmc0_cmd.mmc0_cmd */
+                       AM4372_IOPAD(0x8f0, PIN_INPUT_PULLUP | MUX_MODE0) /* mmc0_dat0.mmc0_dat0 */
+                       AM4372_IOPAD(0x8f4, PIN_INPUT_PULLUP | MUX_MODE0) /* mmc0_dat1.mmc0_dat1 */
+                       AM4372_IOPAD(0x8f8, PIN_INPUT_PULLUP | MUX_MODE0) /* mmc0_dat2.mmc0_dat2 */
+                       AM4372_IOPAD(0x8fc, PIN_INPUT_PULLUP | MUX_MODE0) /* mmc0_dat3.mmc0_dat3 */
+                       AM4372_IOPAD(0x960, PIN_INPUT | MUX_MODE7) /* spi0_cs1.gpio0_6 */
+                       AM4372_IOPAD(0x964, PIN_INPUT | MUX_MODE7) /* ecap0_in_pwm0_out.gpio0_7 */
+               >;
+       };
+
        uart0_pins_default: uart0_pins_default {
                pinctrl-single,pins = <
                        AM4372_IOPAD(0x968, DS0_PULL_UP_DOWN_EN | INPUT_EN | MUX_MODE0)
@@ -75,6 +89,16 @@
        pinctrl-0 = <&i2c2_pins>;
 };
 
+&mmc1 {
+       status = "okay";
+       bus-width = <4>;
+       pinctrl-names = "default";
+       pinctrl-0 = <&mmc1_pins>;
+       vmmc-supply = <&vsb_3v3>;
+       cd-gpios = <&gpio0 6 GPIO_ACTIVE_HIGH>;
+       wp-gpios = <&gpio0 7 GPIO_ACTIVE_HIGH>;
+};
+
 &uart0 {
        pinctrl-names = "default";
        pinctrl-0 = <&uart0_pins_default>;