ARM: dts: Add MMC2/SDIO/WLAN support for cm-t3530
Add support for the MMC2/SDIO WiFi Libertas (Marvell) module available
on the CM-T3530 SOM.
Cc: Dmitry Lifshitz <lifshitz@compulab.co.il>
Cc: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Stefan Roese <sr@denx.de>
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/boot/dts/omap3-cm-t3530.dts b/arch/arm/boot/dts/omap3-cm-t3530.dts
index 9faf1cd..d145849 100644
--- a/arch/arm/boot/dts/omap3-cm-t3530.dts
+++ b/arch/arm/boot/dts/omap3-cm-t3530.dts
@@ -9,4 +9,40 @@
/ {
model = "CompuLab CM-T3530";
compatible = "compulab,omap3-cm-t3530", "ti,omap34xx", "ti,omap3";
+
+ /* Regulator to trigger the reset signal of the Wifi module */
+ mmc2_sdio_reset: regulator-mmc2-sdio-reset {
+ compatible = "regulator-fixed";
+ regulator-name = "regulator-mmc2-sdio-reset";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ gpio = <&twl_gpio 2 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ };
+};
+
+&omap3_pmx_core {
+ mmc2_pins: pinmux_mmc2_pins {
+ pinctrl-single,pins = <
+ OMAP3_CORE1_IOPAD(0x2158, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_clk.sdmmc2_clk */
+ OMAP3_CORE1_IOPAD(0x215a, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_cmd.sdmmc2_cmd */
+ OMAP3_CORE1_IOPAD(0x215c, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_dat0.sdmmc2_dat0 */
+ OMAP3_CORE1_IOPAD(0x215e, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_dat1.sdmmc2_dat1 */
+ OMAP3_CORE1_IOPAD(0x2160, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_dat2.sdmmc2_dat2 */
+ OMAP3_CORE1_IOPAD(0x2162, PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_dat3.sdmmc2_dat3 */
+ OMAP3_CORE1_IOPAD(0x2164, PIN_OUTPUT | MUX_MODE1) /* sdmmc2_dat4.sdmmc2_dir_dat0 */
+ OMAP3_CORE1_IOPAD(0x2166, PIN_OUTPUT | MUX_MODE1) /* sdmmc2_dat5.sdmmc2_dir_dat1 */
+ OMAP3_CORE1_IOPAD(0x2168, PIN_OUTPUT | MUX_MODE1) /* sdmmc2_dat6.sdmmc2_dir_cmd */
+ OMAP3_CORE1_IOPAD(0x216a, PIN_INPUT | MUX_MODE1) /* sdmmc2_dat7.sdmmc2_clkin */
+ >;
+ };
+};
+
+&mmc2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&mmc2_pins>;
+ vmmc-supply = <&mmc2_sdio_reset>;
+ non-removable;
+ bus-width = <4>;
+ cap-power-off-card;
};