Re: [PATCH RFC] riscv: dts: sophgo: add sdcard support for milkv duo

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Adding Inochia.

hi, Jisheng,

For changes under arch/riscv/boot/dts/sophgo/, please looping Inochia and me.

FYI: https://lore.kernel.org/linux-riscv/IA1PR20MB4953B158F6F575840F3D4267BB7D2@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx/

Thanks,

Chen

On 2024/2/17 22:48, Jisheng Zhang wrote:
Add sdhci dt node in SoC dtsi and enable it in milkv duo dts.

Signed-off-by: Jisheng Zhang <jszhang@xxxxxxxxxx>
---
Since cv1800b's clk support isn't in, this patch uses fixed dummy clk
and just RFC, I will send formal patch after clk support is ready.

  .../riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts |  8 ++++++++
  arch/riscv/boot/dts/sophgo/cv18xx.dtsi          | 17 +++++++++++++++++
  2 files changed, 25 insertions(+)

diff --git a/arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts b/arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts
index 3af9e34b3bc7..94e64ddce8fa 100644
--- a/arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts
+++ b/arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts
@@ -33,6 +33,14 @@ &osc {
  	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/boot/dts/sophgo/cv18xx.dtsi b/arch/riscv/boot/dts/sophgo/cv18xx.dtsi
index 2d6f4a4b1e58..405f4ba18392 100644
--- a/arch/riscv/boot/dts/sophgo/cv18xx.dtsi
+++ b/arch/riscv/boot/dts/sophgo/cv18xx.dtsi
@@ -4,6 +4,7 @@
   * Copyright (C) 2023 Inochi Amaoto <inochiama@xxxxxxxxxxx>
   */
+#include <dt-bindings/gpio/gpio.h>
  #include <dt-bindings/interrupt-controller/irq.h>
/ {
@@ -45,6 +46,13 @@ osc: oscillator {
  		#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>;
@@ -175,6 +183,15 @@ uart4: serial@41c0000 {
  			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>;




[Index of Archives]     [Device Tree Compilter]     [Device Tree Spec]     [Linux Driver Backports]     [Video for Linux]     [Linux USB Devel]     [Linux PCI Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Yosemite Backpacking]


  Powered by Linux