riscv: dts: sophgo: Add clk node and sdhci node
Add clk node and sdhci node for cv18xx SoCs according to patches from Linux
kernel.
clk: https://lore.kernel.org/all/IA1PR20MB4953F9AD6792013B54636F05BB4F2@IA1PR20MB4953.namprd20.prod.outlook.com/
sdhci: https://lore.kernel.org/all/20240217144826.3944-1-jszhang@kernel.org/
Signed-off-by: Kongyang Liu <seashell11234455@gmail.com>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
diff --git a/arch/riscv/dts/cv1800b-milkv-duo.dts b/arch/riscv/dts/cv1800b-milkv-duo.dts
index 3af9e34..94e64dd 100644
--- a/arch/riscv/dts/cv1800b-milkv-duo.dts
+++ b/arch/riscv/dts/cv1800b-milkv-duo.dts
@@ -33,6 +33,14 @@
clock-frequency = <25000000>;
};
+&sdhci0 {
+ status = "okay";
+ bus-width = <4>;
+ no-1-8-v;
+ no-mmc;
+ no-sdio;
+};
+
&uart0 {
status = "okay";
};
diff --git a/arch/riscv/dts/cv1800b.dtsi b/arch/riscv/dts/cv1800b.dtsi
index 165e9e3..baf6418 100644
--- a/arch/riscv/dts/cv1800b.dtsi
+++ b/arch/riscv/dts/cv1800b.dtsi
@@ -16,3 +16,7 @@
&clint {
compatible = "sophgo,cv1800b-clint", "thead,c900-clint";
};
+
+&clk {
+ compatible = "sophgo,cv1800-clk";
+};
diff --git a/arch/riscv/dts/cv18xx.dtsi b/arch/riscv/dts/cv18xx.dtsi
index 2d6f4a4..ec99c4d 100644
--- a/arch/riscv/dts/cv18xx.dtsi
+++ b/arch/riscv/dts/cv18xx.dtsi
@@ -45,6 +45,13 @@
#clock-cells = <0>;
};
+ sdhci_clk: sdhci-clock {
+ compatible = "fixed-clock";
+ clock-frequency = <375000000>;
+ clock-output-names = "sdhci_clk";
+ #clock-cells = <0>;
+ };
+
soc {
compatible = "simple-bus";
interrupt-parent = <&plic>;
@@ -53,6 +60,12 @@
dma-noncoherent;
ranges;
+ clk: clock-controller@3002000 {
+ reg = <0x03002000 0x1000>;
+ clocks = <&osc>;
+ #clock-cells = <1>;
+ };
+
gpio0: gpio@3020000 {
compatible = "snps,dw-apb-gpio";
reg = <0x3020000 0x1000>;
@@ -175,6 +188,15 @@
status = "disabled";
};
+ sdhci0: mmc@4310000 {
+ compatible = "sophgo,cv1800b-dwcmshc";
+ reg = <0x4310000 0x1000>;
+ interrupts = <36 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&sdhci_clk>;
+ clock-names = "core";
+ status = "disabled";
+ };
+
plic: interrupt-controller@70000000 {
reg = <0x70000000 0x4000000>;
interrupts-extended = <&cpu0_intc 11>, <&cpu0_intc 9>;