[v4 4/6] arm64: dts: ti: k3-j7200-common-proc-board: Add uart pinmux

Udit Kumar
2023-06-11T11:12:33Z

Add main, mcu, wakeup domain uart0 pin mux into common board file and it's
reference to uart node.

Signed-off-by: Udit Kumar <u-kumar1@ti.com>
---
.../dts/ti/k3-j7200-common-proc-board.dts | 58 ++++++++++++++++++-
1 file changed, 57 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts
index 31b6501443b4..5569d48b900c 100644
--- a/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts
@@ -79,6 +79,24 @@ vdd_sd_dv: gpio-regulator-TLV71033 {
};
};

+&wkup_pmx0 {
+ mcu_uart0_pins_default: mcu-uart0-pins-default {
+ pinctrl-single,pins = <
+ J721E_WKUP_IOPAD(0xf4, PIN_INPUT, 0) /* (D20) MCU_UART0_RXD */
+ J721E_WKUP_IOPAD(0xf0, PIN_OUTPUT, 0) /* (D19) MCU_UART0_TXD */
+ J721E_WKUP_IOPAD(0xf8, PIN_INPUT, 0) /* (E20) MCU_UART0_CTSn */
+ J721E_WKUP_IOPAD(0xfc, PIN_OUTPUT, 0) /* (E21) MCU_UART0_RTSn */
+ >;
+ };
+
+ wkup_uart0_pins_default: wkup-uart0-pins-default {
+ pinctrl-single,pins = <
+ J721E_WKUP_IOPAD(0xb0, PIN_INPUT, 0) /* (B14) WKUP_UART0_RXD */
+ J721E_WKUP_IOPAD(0xb4, PIN_OUTPUT, 0) /* (A14) WKUP_UART0_TXD */
+ >;
+ };
+};
+
&wkup_pmx2 {
mcu_cpsw_pins_default: mcu-cpsw-pins-default {
pinctrl-single,pins = <
@@ -106,6 +124,29 @@ J721E_WKUP_IOPAD(0x0030, PIN_INPUT, 0) /* (L4) MCU_MDIO0_MDIO */
};

&main_pmx0 {
+ main_uart0_pins_default: main-uart0-pins-default {
+ pinctrl-single,pins = <
+ J721E_IOPAD(0xb0, PIN_INPUT, 0) /* (T16) UART0_RXD */
+ J721E_IOPAD(0xb4, PIN_OUTPUT, 0) /* (T17) UART0_TXD */
+ J721E_IOPAD(0xc0, PIN_INPUT, 2) /* (W3) SPI0_CS0.UART0_CTSn */
+ J721E_IOPAD(0xc4, PIN_OUTPUT, 2) /* (U5) SPI0_CS1.UART0_RTSn */
+ >;
+ };
+
+ main_uart1_pins_default: main-uart1-pins-default {
+ pinctrl-single,pins = <
+ J721E_IOPAD(0xb8, PIN_INPUT, 0) /* (T18) UART1_RXD */
+ J721E_IOPAD(0xbc, PIN_INPUT, 0) /* (T20) UART1_TXD */
+ >;
+ };
+
+ main_uart3_pins_default: main-uart3-pins-default {
+ pinctrl-single,pins = <
+ J721E_IOPAD(0x60, PIN_INPUT, 11) /* (T15) MCAN8_TX.UART3_CTSn */
+ J721E_IOPAD(0x30, PIN_INPUT, 11) /* (Y18) MCAN2_TX.UART3_RXD */
+ >;
+ };
+
main_i2c1_pins_default: main-i2c1-pins-default {
pinctrl-single,pins = <
J721E_IOPAD(0xdc, PIN_INPUT_PULLUP, 3) /* (U3) ECAP0_IN_APWM_OUT.I2C1_SCL */
@@ -144,22 +185,30 @@ J721E_IOPAD(0x04, PIN_OUTPUT, 0) /* (T4) USB0_DRVVBUS */
&wkup_uart0 {
/* Wakeup UART is used by System firmware */
status = "reserved";
+ pinctrl-names = "default";
+ pinctrl-0 = <&wkup_uart0_pins_default>;
};

&mcu_uart0 {
status = "okay";
- /* Default pinmux */
+ pinctrl-names = "default";
+ pinctrl-0 = <&mcu_uart0_pins_default>;
+ clock-frequency = <96000000>;
};

&main_uart0 {
status = "okay";
/* Shared with ATF on this platform */
power-domains = <&k3_pds 146 TI_SCI_PD_SHARED>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&main_uart0_pins_default>;
};

&main_uart1 {
status = "okay";
/* Default pinmux */
+ pinctrl-names = "default";
+ pinctrl-0 = <&main_uart1_pins_default>;
};

&main_uart2 {
@@ -167,6 +216,13 @@ &main_uart2 {
status = "reserved";
};

+&main_uart3 {
+ /* Shared with MCAN Interface */
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&main_uart3_pins_default>;
+};
+
&main_gpio2 {
status = "disabled";
};
--
2.34.1