From e1902bbe44844597a38c8cbae30ca895f6e126ee Mon Sep 17 00:00:00 2001 From: Stefan Roese Date: Wed, 12 Mar 2014 11:49:12 +0100 Subject: 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 Cc: Igor Grinberg Signed-off-by: Stefan Roese Signed-off-by: Tony Lindgren --- arch/arm/boot/dts/omap3-cm-t3530.dts | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/arch/arm/boot/dts/omap3-cm-t3530.dts b/arch/arm/boot/dts/omap3-cm-t3530.dts index 9faf1cd1dcaa..d1458496520e 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; }; -- cgit v1.2.3