添加作为 SPI 主节点的 MCU_MCSPI2 节点和作为 SPI 从节点的 MAIN_MCPSI4 节点。

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 68e9369b6..bf37cc98f 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
@@ -256,6 +256,25 @@
status = "disabled";
};

+&mcu_spi2 {
+ status="okay";
+ spidev@0 {
+ spi-max-frequency = <24000000>;
+ reg = <0>;
+ compatible = "linux,spidev";
+ };
+};
+
+&main_spi4 {
+ status="okay";
+ spi-slave;
+ slave@0 {
+ spi-max-frequency = <24000000>;
+ reg = <0>;
+ compatible = "linux,spidev";
+ };
+};
+
&wkup_gpio1 {
status = "disabled";
};
diff --git a/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi b/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi
index 79749f250..70a028481 100644
--- a/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi
@@ -426,6 +426,16 @@
clock-names = "fclk";
};

+ main_spi4: spi@2140000 {
+ compatible = "ti,am654-mcspi","ti,omap4-mcspi";
+ reg = <0x0 0x2140000 0x0 0x400>;
+ interrupts = <GIC_SPI 188 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&k3_clks 270 1>;
+ power-domains = <&k3_pds 270 TI_SCI_PD_EXCLUSIVE>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
main_i2c0: i2c@2000000 {
compatible = "ti,j721e-i2c", "ti,omap4-i2c";
reg = <0x00 0x2000000 0x00 0x100>;
diff --git a/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi
index be334bcfe..35ec3b0c3 100644
--- a/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi
@@ -70,6 +70,16 @@
#size-cells = <1>;
};

+ mcu_spi2: mcu-spi2@40320000 {
+ compatible = "ti,am654-mcspi","ti,omap4-mcspi";
+ reg = <0x0 0x40320000 0x0 0x400>;
+ interrupts = <GIC_SPI 850 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&k3_clks 276 1>;
+ power-domains = <&k3_pds 276 TI_SCI_PD_EXCLUSIVE>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
wkup_uart0: serial@42300000 {
compatible = "ti,j721e-uart", "ti,am654-uart";
reg = <0x00 0x42300000 0x00 0x100>;
diff --git a/arch/arm64/boot/dts/ti/k3-j7200.dtsi b/arch/arm64/boot/dts/ti/k3-j7200.dtsi
index b7005b803..2b77308ae 100644
--- a/arch/arm64/boot/dts/ti/k3-j7200.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j7200.dtsi
@@ -152,6 +152,7 @@
#size-cells = <2>;
ranges = <0x00 0x28380000 0x00 0x28380000 0x00 0x03880000>, /* MCU NAVSS*/
<0x00 0x40200000 0x00 0x40200000 0x00 0x00998400>, /* First peripheral window */
+ <0x00 0x40320000 0x00 0x40320000 0x00 0x00000400>, /* MCU SPI2 */
<0x00 0x40f00000 0x00 0x40f00000 0x00 0x00020000>, /* CTRL_MMR0 */
<0x00 0x41000000 0x00 0x41000000 0x00 0x00020000>, /* MCU R5F Core0 */
<0x00 0x41400000 0x00 0x41400000 0x00 0x00020000>, /* MCU R5F Core1 */
--