ARM: dts: am437x-gp-evm: add wilink8 support

enable mmc3 used for wlan and uart3 used for bluetooth

configure the gpios used for wlan and bluetooth controls

add fixed voltage regulator used for wlan power control

Signed-off-by: Eyal Reizer <eyalr@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

1 files changed, 102 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/am437x-gp-evm.dts b/arch/arm/boot/dts/am437x-gp-evm.dts
index 26956cb50835..6395f5709689 100644
--- a/arch/arm/boot/dts/am437x-gp-evm.dts
+++ b/arch/arm/boot/dts/am437x-gp-evm.dts
@@ -21,6 +21,7 @@
 
 	aliases {
 		display0 = &lcd0;
+		serial3 = &uart3;
 	};
 
 	vmmcsd_fixed: fixedregulator-sd {
@@ -42,6 +43,15 @@
 		gpio = <&gpio5 7 GPIO_ACTIVE_HIGH>;
 	};
 
+	vmmcwl_fixed: fixedregulator-mmcwl {
+		compatible = "regulator-fixed";
+		regulator-name = "vmmcwl_fixed";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		gpio = <&gpio1 20 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
+
 	backlight {
 		compatible = "pwm-backlight";
 		pwms = <&ecap0 0 50000 PWM_POLARITY_INVERTED>;
@@ -109,6 +119,10 @@
 };
 
 &am43xx_pinmux {
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&wlan_pins_default>;
+	pinctrl-1 = <&wlan_pins_sleep>;
+
 	i2c0_pins: i2c0_pins {
 		pinctrl-single,pins = <
 			0x188 (PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0)  /* i2c0_sda.i2c0_sda */
@@ -340,6 +354,53 @@
 			0x204 (DS0_PULL_UP_DOWN_EN | INPUT_EN | MUX_MODE7)  /* cam1_data7 mode 0*/
 		>;
 	};
+
+	mmc3_pins_default: pinmux_mmc3_pins_default {
+		pinctrl-single,pins = <
+			0x8c (PIN_INPUT_PULLUP | MUX_MODE3)      /* gpmc_clk.mmc2_clk */
+			0x88 (PIN_INPUT_PULLUP | MUX_MODE3)      /* gpmc_csn3.mmc2_cmd */
+			0x44 (PIN_INPUT_PULLUP | MUX_MODE3)      /* gpmc_a1.mmc2_dat0 */
+			0x48 (PIN_INPUT_PULLUP | MUX_MODE3)      /* gpmc_a2.mmc2_dat1 */
+			0x4c (PIN_INPUT_PULLUP | MUX_MODE3)      /* gpmc_a3.mmc2_dat2 */
+			0x78 (PIN_INPUT_PULLUP | MUX_MODE3)      /* gpmc_be1n.mmc2_dat3 */
+		>;
+	};
+
+	mmc3_pins_sleep: pinmux_mmc3_pins_sleep {
+		pinctrl-single,pins = <
+			0x8c (PIN_INPUT_PULLDOWN | MUX_MODE7)	/* gpmc_clk.mmc2_clk */
+			0x88 (PIN_INPUT_PULLDOWN | MUX_MODE7)	/* gpmc_csn3.mmc2_cmd */
+			0x44 (PIN_INPUT_PULLDOWN | MUX_MODE7)	/* gpmc_a1.mmc2_dat0 */
+			0x48 (PIN_INPUT_PULLDOWN | MUX_MODE7)	/* gpmc_a2.mmc2_dat1 */
+			0x4c (PIN_INPUT_PULLDOWN | MUX_MODE7)	/* gpmc_a3.mmc2_dat2 */
+			0x78 (PIN_INPUT_PULLDOWN | MUX_MODE7)	/* gpmc_be1n.mmc2_dat3 */
+		>;
+	};
+
+	wlan_pins_default: pinmux_wlan_pins_default {
+		pinctrl-single,pins = <
+			0x50 (PIN_OUTPUT_PULLDOWN | MUX_MODE7)		/* gpmc_a4.gpio1_20 WL_EN */
+			0x5c (PIN_INPUT | WAKEUP_ENABLE | MUX_MODE7)	/* gpmc_a7.gpio1_23 WL_IRQ*/
+			0x40 (PIN_OUTPUT_PULLDOWN | MUX_MODE7)		/* gpmc_a0.gpio1_16 BT_EN*/
+		>;
+	};
+
+	wlan_pins_sleep: pinmux_wlan_pins_sleep {
+		pinctrl-single,pins = <
+			0x50 (PIN_OUTPUT_PULLDOWN | MUX_MODE7)		/* gpmc_a4.gpio1_20 WL_EN */
+			0x5c (PIN_INPUT | WAKEUP_ENABLE | MUX_MODE7)	/* gpmc_a7.gpio1_23 WL_IRQ*/
+			0x40 (PIN_OUTPUT_PULLUP | MUX_MODE7)		/* gpmc_a0.gpio1_16 BT_EN*/
+		>;
+	};
+
+	uart3_pins: uart3_pins {
+		pinctrl-single,pins = <
+			0x228 (PIN_INPUT | MUX_MODE0)		/* uart3_rxd.uart3_rxd */
+			0x22c (PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* uart3_txd.uart3_txd */
+			0x230 (PIN_INPUT_PULLUP | MUX_MODE0)	/* uart3_ctsn.uart3_ctsn */
+			0x234 (PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* uart3_rtsn.uart3_rtsn */
+		>;
+	};
 };
 
 &i2c0 {
@@ -446,6 +507,10 @@
 	status = "okay";
 };
 
+&gpio1 {
+	status = "okay";
+};
+
 &gpio3 {
 	status = "okay";
 };
@@ -468,6 +533,43 @@
 	cd-gpios = <&gpio0 6 GPIO_ACTIVE_HIGH>;
 };
 
+&mmc3 {
+	status = "okay";
+	/* these are on the crossbar and are outlined in the
+	   xbar-event-map element */
+	dmas = <&edma 30
+		&edma 31>;
+	dma-names = "tx", "rx";
+	vmmc-supply = <&vmmcwl_fixed>;
+	bus-width = <4>;
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&mmc3_pins_default>;
+	pinctrl-1 = <&mmc3_pins_sleep>;
+	cap-power-off-card;
+	keep-power-in-suspend;
+	ti,non-removable;
+
+	#address-cells = <1>;
+	#size-cells = <0>;
+	wlcore: wlcore@0 {
+		compatible = "ti,wl1835";
+		reg = <2>;
+		interrupt-parent = <&gpio1>;
+		interrupts = <23 IRQ_TYPE_LEVEL_HIGH>;
+	};
+};
+
+&edma {
+	ti,edma-xbar-event-map = /bits/ 16 <1 30
+					    2 31>;
+};
+
+&uart3 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart3_pins>;
+};
+
 &usb2_phy1 {
 	status = "okay";
 };