Update Nanobone DTS file as follows:-
- Fix GPIO settings for RTS/CTS pins on UART3 & 4
- Enable RS485 mode for UART3 & 4
- Enable LM75 temperature sensor
- Fix GPIO settings for MMC pins
- Enable USB
---
arch/arm/boot/dts/am335x-nano.dts | 33 +++++++++++++++++++++++++------
1 file changed, 27 insertions(+), 6 deletions(-)
diff --git a/arch/arm/boot/dts/am335x-nano.dts b/arch/arm/boot/dts/am335x-nano.dts
index b6f2567bd65a..1f613e879c53 100644
--- a/arch/arm/boot/dts/am335x-nano.dts
+++ b/arch/arm/boot/dts/am335x-nano.dts
@@ -120,8 +120,8 @@ AM33XX_PADCONF(AM335X_PIN_SPI0_D0, PIN_OUTPUT, MUX_MODE1) /* spi0_d0.uart2_txd
uart3_pins: uart3_pins {
pinctrl-single,pins = <
- AM33XX_PADCONF(AM335X_PIN_LCD_DATA10, PIN_INPUT_PULLUP, MUX_MODE6) /* lcd_data10.uart3_ctsn */
- AM33XX_PADCONF(AM335X_PIN_LCD_DATA11, PIN_OUTPUT, MUX_MODE6) /* lcd_data11.uart3_rtsn */
+ AM33XX_PADCONF(AM335X_PIN_LCD_DATA10, PIN_INPUT_PULLUP, MUX_MODE7) /* lcd_data10.gpio2[16] */
+ AM33XX_PADCONF(AM335X_PIN_LCD_DATA11, PIN_OUTPUT, MUX_MODE7) /* lcd_data11.gpio2[17] */
AM33XX_PADCONF(AM335X_PIN_SPI0_CS1, PIN_INPUT, MUX_MODE1) /* spi0_cs1.uart3_rxd */
AM33XX_PADCONF(AM335X_PIN_ECAP0_IN_PWM0_OUT, PIN_OUTPUT, MUX_MODE1) /* ecap0_in_pwm0_out.uart3_txd */
>;
@@ -129,8 +129,8 @@ AM33XX_PADCONF(AM335X_PIN_ECAP0_IN_PWM0_OUT, PIN_OUTPUT, MUX_MODE1) /* ecap0_in
uart4_pins: uart4_pins {
pinctrl-single,pins = <
- AM33XX_PADCONF(AM335X_PIN_LCD_DATA12, PIN_INPUT_PULLUP, MUX_MODE6) /* lcd_data12.uart4_ctsn */
- AM33XX_PADCONF(AM335X_PIN_LCD_DATA13, PIN_OUTPUT, MUX_MODE6) /* lcd_data13.uart4_rtsn */
+ AM33XX_PADCONF(AM335X_PIN_LCD_DATA12, PIN_INPUT_PULLUP, MUX_MODE7) /* lcd_data12.gpio0[8] */
+ AM33XX_PADCONF(AM335X_PIN_LCD_DATA13, PIN_OUTPUT, MUX_MODE7) /* lcd_data13.gpio0[9] */
AM33XX_PADCONF(AM335X_PIN_UART0_CTSN, PIN_INPUT, MUX_MODE1) /* uart0_ctsn.uart4_rxd */
AM33XX_PADCONF(AM335X_PIN_UART0_RTSN, PIN_OUTPUT, MUX_MODE1) /* uart0_rtsn.uart4_txd */
>;
@@ -188,12 +188,22 @@ &uart3 {
pinctrl-names = "default";
pinctrl-0 = <&uart3_pins>;
status = "okay";
+ rts-gpio = <&gpio2 17 GPIO_ACTIVE_HIGH>;
+ rs485-rts-active-high;
+ rs485-rx-during-tx;
+ rs485-rts-delay = <1 1>;
+ linux,rs485-enabled-at-boot-time;
};
&uart4 {
pinctrl-names = "default";
pinctrl-0 = <&uart4_pins>;
status = "okay";
+ rts-gpio = <&gpio0 9 GPIO_ACTIVE_HIGH>;
+ rs485-rts-active-high;
+ rs485-rx-during-tx;
+ rs485-rts-delay = <1 1>;
+ linux,rs485-enabled-at-boot-time;
};
&uart5 {
@@ -220,6 +230,12 @@ tps: tps@24 {
reg = <0x24>;
};
+ lm75@48 {
+ compatible = "lm75";
+ reg = <0x48>;
+ status = "okay";
+ };
+
eeprom@53 {
compatible = "microchip,24c02", "atmel,24c02";
reg = <0x53>;
@@ -403,8 +419,13 @@ &mmc1 {
pinctrl-names = "default";
pinctrl-0 = <&mmc1_pins>;
bus-width = <4>;
- cd-gpios = <&gpio3 8 0>;
- wp-gpios = <&gpio3 18 0>;
+ cd-debounce-delay-ms = <5>;
+ cd-gpios = <&gpio3 8 GPIO_ACTIVE_LOW>;
+ wp-gpios = <&gpio3 18 GPIO_ACTIVE_HIGH>;
+};
+
+&usb0 {
+ dr_mode = "host";
};
#include "tps65217.dtsi"
--
2.34.1