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authorNishanth Menon <nm@ti.com>2023-04-19 17:59:07 -0500
committerVignesh Raghavendra <vigneshr@ti.com>2023-05-16 22:29:13 +0530
commit80e76ebff228030c5b95d015205188035bb13534 (patch)
tree9ac570c6bc5b0908e271acd5307223578dbbe9f8 /arch/arm64/boot/dts/ti/k3-am654-base-board.dts
parentfc2cb4beeccd90290619ee4d9c85a616e222e760 (diff)
downloadlinux-next-80e76ebff228030c5b95d015205188035bb13534.tar.gz
arm64: dts: ti: k3-am654-base-board: Add missing pinmux wkup_uart, mcu_uart and mcu_i2c
Many of the definitions depend on pinmux done by the bootloader. Be explicit about the pinmux for functionality and completeness. Signed-off-by: Nishanth Menon <nm@ti.com> Reviewed-by: Kamlesh Gurudasani <kamlesh@ti.com> Link: https://lore.kernel.org/r/20230419225913.663448-2-nm@ti.com Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Diffstat (limited to 'arch/arm64/boot/dts/ti/k3-am654-base-board.dts')
-rw-r--r--arch/arm64/boot/dts/ti/k3-am654-base-board.dts34
1 files changed, 32 insertions, 2 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 0d6fc89eba7a..20d1eeadd3f7 100644
--- a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
@@ -119,6 +119,15 @@
};
&wkup_pmx0 {
+ wkup_uart0_pins_default: wkup-uart0-pins-default {
+ pinctrl-single,pins = <
+ AM65X_WKUP_IOPAD(0x00a0, PIN_INPUT, 0) /* (AB1) WKUP_UART0_RXD */
+ AM65X_WKUP_IOPAD(0x00a4, PIN_OUTPUT, 0) /* (AB5) WKUP_UART0_TXD */
+ AM65X_WKUP_IOPAD(0x00c8, PIN_INPUT, 1) /* (AC2) WKUP_GPIO0_6.WKUP_UART0_CTSn */
+ AM65X_WKUP_IOPAD(0x00cc, PIN_OUTPUT, 1) /* (AC1) WKUP_GPIO0_7.WKUP_UART0_RTSn */
+ >;
+ };
+
wkup_i2c0_pins_default: wkup-i2c0-pins-default {
pinctrl-single,pins = <
AM65X_WKUP_IOPAD(0x00e0, PIN_INPUT, 0) /* (AC7) WKUP_I2C0_SCL */
@@ -155,6 +164,15 @@
>;
};
+ mcu_uart0_pins_default: mcu-uart0-pins-default {
+ pinctrl-single,pins = <
+ AM65X_WKUP_IOPAD(0x0044, PIN_INPUT, 4) /* (P4) MCU_OSPI1_D1.MCU_UART0_RXD */
+ AM65X_WKUP_IOPAD(0x0048, PIN_OUTPUT, 4) /* (P5) MCU_OSPI1_D2.MCU_UART0_TXD */
+ AM65X_WKUP_IOPAD(0x004C, PIN_INPUT, 4) /* (P1) MCU_OSPI1_D3.MCU_UART0_CTSn */
+ AM65X_WKUP_IOPAD(0x0054, PIN_OUTPUT, 4) /* (N3) MCU_OSPI1_CSn1.MCU_UART0_RTSn */
+ >;
+ };
+
mcu_cpsw_pins_default: mcu-cpsw-pins-default {
pinctrl-single,pins = <
AM65X_WKUP_IOPAD(0x0058, PIN_OUTPUT, 0) /* (N4) MCU_RGMII1_TX_CTL */
@@ -178,6 +196,13 @@
AM65X_WKUP_IOPAD(0x0088, PIN_INPUT, 0) /* (L4) MCU_MDIO0_MDIO */
>;
};
+
+ mcu_i2c0_pins_default: mcu-i2c0-pins-default {
+ pinctrl-single,pins = <
+ AM65X_WKUP_IOPAD(0x00e8, PIN_INPUT, 0) /* (AD8) MCU_I2C0_SCL */
+ AM65X_WKUP_IOPAD(0x00ec, PIN_INPUT, 0) /* (AD7) MCU_I2C0_SDA */
+ >;
+ };
};
&main_pmx0 {
@@ -268,11 +293,14 @@
&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>;
};
&main_uart0 {
@@ -304,7 +332,9 @@
&mcu_i2c0 {
status = "okay";
- /* Default pinmux */
+ pinctrl-names = "default";
+ pinctrl-0 = <&mcu_i2c0_pins_default>;
+ clock-frequency = <400000>;
};
&main_i2c0 {