Merge tag 'am654-for-v4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/kristo/linux into next/dt

AM65x DT changes for 4.21. Includes:

- Pinctrl support
- I2C support
- ECAP PWM support
- Power domain handling for UARTs
- McSPI support

* tag 'am654-for-v4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/kristo/linux:
  arm64: dts: ti: k3-am654: Enable main domain McSPI0
  arm64: dts: ti: k3-am654: Add McSPI DT nodes
  arm64: dts: ti: k3-am654: Populate power-domain property for UART nodes
  arm64: dts: ti: k3-am654-base-board: Enable ECAP PWM
  arm64: dts: ti: k3-am65-main: Add ECAP PWM node
  arm64: dts: ti: k3-am654-base-board: Add I2C nodes
  arm64: dts: ti: am654-base-board: Add pinmux for main uart0
  arm64: dts: ti: k3-am65: Add pinctrl regions
  dt-bindings: pinctrl: k3: Introduce pinmux definitions
  arm64: dts: ti: k3-am654: Fix wakeup_uart reg address

Signed-off-by: Arnd Bergmann <arnd@arndb.de>

1 files changed, 124 insertions, 0 deletions

diff --git a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
index e146ac2ad781..e41fc3a5987b 100644
--- a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
@@ -35,7 +35,131 @@
 	};
 };
 
+&wkup_pmx0 {
+	wkup_i2c0_pins_default: wkup-i2c0-pins-default {
+		pinctrl-single,pins = <
+			AM65X_WKUP_IOPAD(0x00e0, PIN_INPUT, 0) /* (AC7) WKUP_I2C0_SCL */
+			AM65X_WKUP_IOPAD(0x00e4, PIN_INPUT, 0) /* (AD6) WKUP_I2C0_SDA */
+		>;
+	};
+};
+
+&main_pmx0 {
+	main_uart0_pins_default: main-uart0-pins-default {
+		pinctrl-single,pins = <
+			AM65X_IOPAD(0x01e4, PIN_INPUT, 0)	/* (AF11) UART0_RXD */
+			AM65X_IOPAD(0x01e8, PIN_OUTPUT, 0)	/* (AE11) UART0_TXD */
+			AM65X_IOPAD(0x01ec, PIN_INPUT, 0)	/* (AG11) UART0_CTSn */
+			AM65X_IOPAD(0x01f0, PIN_OUTPUT, 0)	/* (AD11) UART0_RTSn */
+		>;
+	};
+
+	main_i2c2_pins_default: main-i2c2-pins-default {
+		pinctrl-single,pins = <
+			AM65X_IOPAD(0x0074, PIN_INPUT, 5) /* (T27) GPMC0_CSn3.I2C2_SCL */
+			AM65X_IOPAD(0x0070, PIN_INPUT, 5) /* (R25) GPMC0_CSn2.I2C2_SDA */
+		>;
+	};
+
+	main_spi0_pins_default: main-spi0-pins-default {
+		pinctrl-single,pins = <
+			AM65X_IOPAD(0x01c4, PIN_INPUT, 0) /* (AH13) SPI0_CLK */
+			AM65X_IOPAD(0x01c8, PIN_INPUT, 0) /* (AE13) SPI0_D0 */
+			AM65X_IOPAD(0x01cc, PIN_INPUT, 0) /* (AD13) SPI0_D1 */
+			AM65X_IOPAD(0x01bc, PIN_OUTPUT, 0) /* (AG13) SPI0_CS0 */
+		>;
+	};
+};
+
+&main_pmx1 {
+	main_i2c0_pins_default: main-i2c0-pins-default {
+		pinctrl-single,pins = <
+			AM65X_IOPAD(0x0000, PIN_INPUT, 0) /* (D20) I2C0_SCL */
+			AM65X_IOPAD(0x0004, PIN_INPUT, 0) /* (C21) I2C0_SDA */
+		>;
+	};
+
+	main_i2c1_pins_default: main-i2c1-pins-default {
+		pinctrl-single,pins = <
+			AM65X_IOPAD(0x0008, PIN_INPUT, 0) /* (B21) I2C1_SCL */
+			AM65X_IOPAD(0x000c, PIN_INPUT, 0) /* (E21) I2C1_SDA */
+		>;
+	};
+
+	ecap0_pins_default: ecap0-pins-default {
+		pinctrl-single,pins = <
+			AM65X_IOPAD(0x0010, PIN_INPUT, 0) /* (D21) ECAP0_IN_APWM_OUT */
+		>;
+	};
+};
+
 &wkup_uart0 {
 	/* Wakeup UART is used by System firmware */
 	status = "disabled";
 };
+
+&main_uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&main_uart0_pins_default>;
+};
+
+&wkup_i2c0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&wkup_i2c0_pins_default>;
+	clock-frequency = <400000>;
+
+	pca9554: gpio@39 {
+		compatible = "nxp,pca9554";
+		reg = <0x39>;
+		gpio-controller;
+		#gpio-cells = <2>;
+	};
+};
+
+&main_i2c0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&main_i2c0_pins_default>;
+	clock-frequency = <400000>;
+
+	pca9555: gpio@21 {
+		compatible = "nxp,pca9555";
+		reg = <0x21>;
+		gpio-controller;
+		#gpio-cells = <2>;
+	};
+};
+
+&main_i2c1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&main_i2c1_pins_default>;
+	clock-frequency = <400000>;
+};
+
+&main_i2c2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&main_i2c2_pins_default>;
+	clock-frequency = <400000>;
+};
+
+&ecap0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&ecap0_pins_default>;
+};
+
+&main_spi0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&main_spi0_pins_default>;
+	#address-cells = <1>;
+	#size-cells= <0>;
+	ti,pindir-d0-out-d1-in = <1>;
+
+	flash@0{
+		compatible = "jedec,spi-nor";
+		reg = <0x0>;
+		spi-tx-bus-width = <1>;
+		spi-rx-bus-width = <1>;
+		spi-max-frequency = <48000000>;
+		#address-cells = <1>;
+		#size-cells= <1>;
+	};
+};