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

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enable mmc3 used for wlan and uart1 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>
This commit is contained in:
Eyal Reizer 2018-05-06 10:58:06 +03:00 committed by Tony Lindgren
parent ad36551644
commit 443ef126e5
1 changed files with 115 additions and 0 deletions
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115
arch/arm/boot/dts/am437x-sk-evm.dts
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@ -15,6 +15,7 @@
#include <dt-bindings/pwm/pwm.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/interrupt-controller/irq.h>
/ {
model = "TI AM437x SK EVM";
@ -158,6 +159,22 @@
};
};
};
vmmcwl_fixed: fixedregulator-mmcwl {
/*
* WL_EN is not SDIO standard compliant. It is an out of band
* signal and hard to be dealt with in a standard way by the
* SDIO core driver.
* So modelling the WL_EN line as a regulator was a natural
* choice as the MMC core already deals with MMC supplies.
*/
compatible = "regulator-fixed";
regulator-name = "vmmcwl_fixed";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
gpio = <&gpio4 8 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
};
&am43xx_pinmux {
@ -418,6 +435,62 @@
AM4372_IOPAD(0xac4, PIN_OUTPUT | MUX_MODE0) /* usb0_drvvbus.usb0_drvvbus */
>;
};
mmc3_pins_default: pinmux_mmc3_pins_default {
pinctrl-single,pins = <
AM4372_IOPAD(0x9f0, PIN_INPUT_PULLUP | MUX_MODE3) /* (AD21) cam1_data2.mmc2_clk */
AM4372_IOPAD(0x9f4, PIN_INPUT_PULLUP | MUX_MODE3) /* (AE22) cam1_data3.mmc2_cmd */
AM4372_IOPAD(0x9f8, PIN_INPUT_PULLUP | MUX_MODE3) /* (AD22) cam1_data4.mmc2_dat0 */
AM4372_IOPAD(0x9fc, PIN_INPUT_PULLUP | MUX_MODE3) /* (AE23) cam1_data5.mmc2_dat1 */
AM4372_IOPAD(0xa00, PIN_INPUT_PULLUP | MUX_MODE3) /* (AD23) cam1_data6.mmc2_dat2 */
AM4372_IOPAD(0xa04, PIN_INPUT_PULLUP | MUX_MODE3) /* (AE24) cam1_data7.mmc2_dat3 */
>;
};
mmc3_pins_sleep: pinmux_mmc3_pins_sleep {
pinctrl-single,pins = <
AM4372_IOPAD(0x9f0, PIN_INPUT_PULLDOWN | MUX_MODE7) /* (AD21) cam1_data2.mmc2_clk */
AM4372_IOPAD(0x9f4, PIN_INPUT_PULLDOWN | MUX_MODE7) /* (AE22) cam1_data3.mmc2_cmd */
AM4372_IOPAD(0x9f8, PIN_INPUT_PULLDOWN | MUX_MODE7) /* (AD22) cam1_data4.mmc2_dat0 */
AM4372_IOPAD(0x9fc, PIN_INPUT_PULLDOWN | MUX_MODE7) /* (AE23) cam1_data5.mmc2_dat1 */
AM4372_IOPAD(0xa00, PIN_INPUT_PULLDOWN | MUX_MODE7) /* (AD23) cam1_data6.mmc2_dat2 */
AM4372_IOPAD(0xa04, PIN_INPUT_PULLDOWN | MUX_MODE7) /* (AE24) cam1_data7.mmc2_dat3 */
>;
};
wlan_pins_default: pinmux_wlan_pins_default {
pinctrl-single,pins = <
AM4372_IOPAD(0x9d0, PIN_OUTPUT_PULLDOWN | MUX_MODE7) /* cam1_data8.gpio4_8 WL_EN */
AM4372_IOPAD(0x9e4, PIN_INPUT | WAKEUP_ENABLE | MUX_MODE7) /* cam1_wen.gpio4_13 WL_IRQ */
>;
};
wlan_pins_sleep: pinmux_wlan_pins_sleep {
pinctrl-single,pins = <
AM4372_IOPAD(0x9d0, PIN_OUTPUT_PULLDOWN | MUX_MODE7) /* cam1_data8.gpio4_8 WL_EN */
AM4372_IOPAD(0x9e4, PIN_INPUT | WAKEUP_ENABLE | MUX_MODE7) /* cam1_wen.gpio4_13 WL_IRQ */
>;
};
uart1_bt_pins_default: pinmux_uart1_bt_pins_default {
pinctrl-single,pins = <
AM4372_IOPAD(0x980, PIN_INPUT | MUX_MODE0) /* uart1_rxd.uart1_rxd */
AM4372_IOPAD(0x984, PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* uart1_txd.uart1_txd */
AM4372_IOPAD(0x978, PIN_INPUT_PULLUP | MUX_MODE0) /* uart1_ctsn.uart1_ctsn */
AM4372_IOPAD(0x97c, PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* uart1_rtsn.uart1_rtsn */
AM4372_IOPAD(0x9cc, PIN_OUTPUT_PULLDOWN | MUX_MODE7) /* cam1_data9.gpio4_7 BT_EN */
>;
};
uart1_bt_pins_sleep: pinmux_uart1_bt_pins_sleep {
pinctrl-single,pins = <
AM4372_IOPAD(0x980, PIN_OUTPUT_PULLDOWN | MUX_MODE7) /* uart1_rxd.uart1_rxd */
AM4372_IOPAD(0x984, PIN_OUTPUT_PULLDOWN | MUX_MODE7) /* uart1_txd.uart1_txd */
AM4372_IOPAD(0x978, PIN_OUTPUT_PULLDOWN | MUX_MODE7) /* uart1_ctsn.uart1_ctsn */
AM4372_IOPAD(0x97c, PIN_OUTPUT_PULLDOWN | MUX_MODE7) /* uart1_rtsn.uart1_rtsn */
AM4372_IOPAD(0x9cc, PIN_OUTPUT_PULLUP | MUX_MODE7) /* cam1_data9.gpio4_7 BT_EN */
>;
};
};
&i2c0 {
@ -581,6 +654,10 @@
status = "okay";
};
&gpio4 {
status = "okay";
};
&gpio5 {
status = "okay";
};
@ -595,6 +672,44 @@
cd-gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;
};
&uart1 {
status = "okay";
pinctrl-names = "default", "sleep";
pinctrl-0 = <&uart1_bt_pins_default>;
pinctrl-1 = <&uart1_bt_pins_sleep>;
};
&mmc3 {
status = "okay";
/*
* these are on the crossbar and are outlined in the
* xbar-event-map element
*/
dmas = <&edma_xbar 30 0 1>,
<&edma_xbar 31 0 2>;
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@2 {
compatible = "ti,wl1835";
pinctrl-names = "default", "sleep";
pinctrl-0 = <&wlan_pins_default>;
pinctrl-1 = <&wlan_pins_sleep>;
reg = <2>;
interrupt-parent = <&gpio4>;
interrupts = <13 IRQ_TYPE_LEVEL_HIGH>;
};
};
&usb2_phy1 {
status = "okay";
};