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ARM: dts: add spi wifi support to cm-t335 

Device tree modifications:
- Pinmux for SPI0 and WiFi GPIOs.
- SPI0 node with wlcore as a child node.

Signed-off-by: Uri Mashiach <uri.mashiach@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Uri Mashiach 2015-12-30 15:35:33 +02:00 committed by Tony Lindgren
parent 48ab364478
commit 444d66fafa
1 changed files with 55 additions and 0 deletions
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55
arch/arm/boot/dts/am335x-cm-t335.dts
View File

@ -11,6 +11,7 @@
/dts-v1/;
#include "am33xx.dtsi"
#include <dt-bindings/interrupt-controller/irq.h>
/ {
model = "CompuLab CM-T335";
@ -40,6 +41,15 @@ vmmc_fixed: fixedregulator@0 {
regulator-max-microvolt = <3300000>;
};
/* Regulator for WiFi */
vwlan_fixed: fixedregulator@2 {
compatible = "regulator-fixed";
regulator-name = "vwlan_fixed";
gpio = <&gpio0 20 GPIO_ACTIVE_HIGH>; /* gpio0_20 */
enable-active-high;
regulator-boot-off;
};
backlight {
compatible = "pwm-backlight";
pwms = <&ecap0 0 50000 0>;
@ -271,6 +281,21 @@ AM33XX_IOPAD(0x904, PIN_INPUT_PULLUP | MUX_MODE0)
>;
};
spi0_pins: pinmux_spi0_pins {
pinctrl-single,pins = <
/* spi0_sclk.spi0_sclk */
AM33XX_IOPAD(0x950, PIN_INPUT | MUX_MODE0)
/* spi0_d0.spi0_d0 */
AM33XX_IOPAD(0x954, PIN_OUTPUT_PULLUP | MUX_MODE0)
/* spi0_d1.spi0_d1 */
AM33XX_IOPAD(0x958, PIN_INPUT | MUX_MODE0)
/* spi0_cs0.spi0_cs0 */
AM33XX_IOPAD(0x95C, PIN_OUTPUT | MUX_MODE0)
/* spi0_cs1.spi0_cs1 */
AM33XX_IOPAD(0x960, PIN_OUTPUT | MUX_MODE0)
>;
};
/* wl1271 bluetooth */
bluetooth_pins: pinmux_bluetooth_pins {
pinctrl-single,pins = <
@ -292,6 +317,16 @@ AM33XX_IOPAD(0x908, PIN_INPUT_PULLDOWN | MUX_MODE4)
AM33XX_IOPAD(0x944, PIN_INPUT_PULLDOWN | MUX_MODE4)
>;
};
/* wl1271 WiFi */
wifi_pins: pinmux_wifi_pins {
pinctrl-single,pins = <
/* EMU1.gpio3_8 - WiFi IRQ */
AM33XX_IOPAD(0x9e8, PIN_INPUT_PULLUP | MUX_MODE7)
/* XDMA_EVENT_INTR1.gpio0_20 - WiFi enable */
AM33XX_IOPAD(0x9b4, PIN_OUTPUT | MUX_MODE7)
>;
};
};
&uart0 {
@ -510,3 +545,23 @@ &mcasp1 {
#sound-dai-cells= <0>;
status = "okay";
};
&spi0 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&spi0_pins>;
ti,pindir-d0-out-d1-in = <1>;
/* WLS1271 WiFi */
wlcore: wlcore@1 {
compatible = "ti,wl1271";
pinctrl-names = "default";
pinctrl-0 = <&wifi_pins>;
reg = <1>;
spi-max-frequency = <48000000>;
clock-xtal;
ref-clock-frequency = <38400000>;
interrupt-parent = <&gpio3>;
interrupts = <8 IRQ_TYPE_LEVEL_HIGH>;
vwlan-supply = <&vwlan_fixed>;
};
};