ARM: dts: am3517-som: Add WL127x Wifi

Certain models of the AM3517 SOM from Logic PD come with an
integrated WL1271 WiFi.  This patch enables the WiFi.

Signed-off-by: Adam Ford <aford173@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/boot/dts/am3517-evm.dts b/arch/arm/boot/dts/am3517-evm.dts
index 98aadb0f81c5e04153f0ac4ad4f5fdea1bd0bf2f..d7eb6ad76c2916c084ac7b7ccd31f93f5227a62f 100644 (file)
--- a/arch/arm/boot/dts/am3517-evm.dts
+++ b/arch/arm/boot/dts/am3517-evm.dts
@@ -220,10 +220,6 @@
        cd-gpios = <&gpio4 31 GPIO_ACTIVE_HIGH>; /* gpio_127 */
 };
 
-&mmc2 {
-      status = "disabled";
-};
-
 &mmc3 {
       status = "disabled";
 };

diff --git a/arch/arm/boot/dts/am3517-som.dtsi b/arch/arm/boot/dts/am3517-som.dtsi
index 7ff7cd135dcafd65a271296d9edda4760c49eaa2..a2914067d613836a4be98038326dad7c2ecf4d90 100644 (file)
--- a/arch/arm/boot/dts/am3517-som.dtsi
+++ b/arch/arm/boot/dts/am3517-som.dtsi
@@ -14,6 +14,32 @@
                        cpu0-supply = <&vdd_core_reg>;
                };
        };
+
+       wl12xx_buffer: wl12xx_buf {
+               compatible = "regulator-fixed";
+               regulator-name = "wl1271_buf";
+               regulator-min-microvolt = <1800000>;
+               regulator-max-microvolt = <1800000>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&wl12xx_buffer_pins>;
+               gpio = <&gpio5 1 GPIO_ACTIVE_LOW>; /* gpio 129 */
+               regulator-always-on;
+               vin-supply = <&vdd_1v8_reg>;
+       };
+
+       wl12xx_vmmc2: wl12xx_vmmc2 {
+               compatible = "regulator-fixed";
+               regulator-name = "vwl1271";
+               regulator-min-microvolt = <1800000>;
+               regulator-max-microvolt = <1800000>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&wl12xx_wkup_pins>;
+               gpio = <&gpio1 3 GPIO_ACTIVE_HIGH >; /* gpio 3 */
+               startup-delay-us = <70000>;
+               enable-active-high;
+               regulator-always-on;
+               vin-supply = <&wl12xx_buffer>;
+       };
 };
 
 &gpmc {
@@ -121,8 +147,53 @@
        };
 };
 
+&mmc2 {
+       interrupts-extended = <&intc 86 /* &omap3_pmx_core 0x12c */>;
+
+       status = "okay";
+       pinctrl-names = "default";
+       pinctrl-0 = <&mmc2_pins>;
+       vmmc-supply = <&wl12xx_vmmc2>;
+       non-removable;
+       bus-width = <4>;
+       cap-power-off-card;
+       #address-cells = <1>;
+       #size-cells = <0>;
+       wlcore: wlcore@2 {
+               compatible = "ti,wl1271";
+               reg = <2>;
+               interrupt-parent = <&gpio6>;
+               interrupts = <10 IRQ_TYPE_LEVEL_HIGH>; /* gpio_170 */
+               ref-clock-frequency = <26000000>;
+               tcxo-clock-frequency = <26000000>;
+       };
+};
+
+
 &omap3_pmx_core {
 
+       wl12xx_buffer_pins: pinmux_wl12xx_buffer_pins {
+               pinctrl-single,pins = <
+                       OMAP3_CORE1_IOPAD(0x2156, PIN_OUTPUT | MUX_MODE4)  /* mmc1_dat7.gpio_129 */
+               >;
+       };
+
+       mmc2_pins: pinmux_mmc2_pins {
+               pinctrl-single,pins = <
+                       OMAP3_CORE1_IOPAD(0x2158, PIN_INPUT_PULLUP | MUX_MODE0)  /* mmc2_clk.mmc2_clk */
+                       OMAP3_CORE1_IOPAD(0x215a, PIN_INPUT_PULLUP | MUX_MODE0)  /* mmc2_cmd.mmc2_cmd */
+                       OMAP3_CORE1_IOPAD(0x215c, PIN_INPUT_PULLUP | MUX_MODE0)  /* mmc2_dat0.mmc2_dat0 */
+                       OMAP3_CORE1_IOPAD(0x215e, PIN_INPUT_PULLUP | MUX_MODE0)  /* mmc2_dat1.mmc2_dat1 */
+                       OMAP3_CORE1_IOPAD(0x2160, PIN_INPUT_PULLUP | MUX_MODE0)  /* mmc2_dat2.mmc2_dat2 */
+                       OMAP3_CORE1_IOPAD(0x2162, PIN_INPUT_PULLUP | MUX_MODE0)  /* mmc2_dat3.mmc2_dat3 */
+                       OMAP3_CORE1_IOPAD(0x2164, PIN_OUTPUT | MUX_MODE1) /* mmc2_dat4.mmc2_dir_dat0 */
+                       OMAP3_CORE1_IOPAD(0x2166, PIN_OUTPUT | MUX_MODE1) /* mmc2_dat5.mmc2_dir_dat1 */
+                       OMAP3_CORE1_IOPAD(0x2168, PIN_OUTPUT | MUX_MODE1) /* mmc2_dat6.mmc2_dir_cmd */
+                       OMAP3_CORE1_IOPAD(0x216a, PIN_INPUT | MUX_MODE1) /* mmc2_dat7.mmc2_clkin */
+                       OMAP3_CORE1_IOPAD(0x21c6, PIN_INPUT_PULLUP | MUX_MODE4) /* hdq_sio.gpio_170 */
+               >;
+       };
+
        rtc_pins: pinmux_rtc_pins {
                pinctrl-single,pins = <
                        OMAP3_CORE1_IOPAD(0x20b6, PIN_INPUT_PULLUP | MUX_MODE4) /* gpmc_ncs4.gpio_55 */
@@ -135,3 +206,12 @@
                >;
        };
 };
+
+&omap3_pmx_wkup {
+
+       wl12xx_wkup_pins: pinmux_wl12xx_wkup_pins {
+               pinctrl-single,pins = <
+                       OMAP3_WKUP_IOPAD(0x2a0c, PIN_OUTPUT | MUX_MODE4)        /* sys_boot1.gpio_3 */
+               >;
+       };
+};