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authorEyal Reizer <eyalreizer@gmail.com>2018-05-06 09:58:06 +0200
committerTony Lindgren <tony@atomide.com>2018-05-15 20:32:08 +0200
commit443ef126e5e14b2e63740946c598afcbbdae5c74 (patch)
tree53f7beaebdc85f9c7f4873b547b5a06a99883000 /arch/arm
parentARM: dts: am3517-evm: Add LCD panel type 15 support (diff)
downloadlinux-443ef126e5e14b2e63740946c598afcbbdae5c74.tar.xz
linux-443ef126e5e14b2e63740946c598afcbbdae5c74.zip
ARM: dts: am437x-sk-evm: add wilink8 support
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>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/boot/dts/am437x-sk-evm.dts115
1 files changed, 115 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/am437x-sk-evm.dts b/arch/arm/boot/dts/am437x-sk-evm.dts
index 4118802b7fea..440351ad0b80 100644
--- a/arch/arm/boot/dts/am437x-sk-evm.dts
+++ b/arch/arm/boot/dts/am437x-sk-evm.dts
@@ -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";
};