[PATCH v6 5/7] riscv: dts: thead: Add TH1520 mmc controllers and sdhci clock

Drew Fustini dfustini at baylibre.com
Tue Nov 14 13:07:59 PST 2023


Add node for the SDHCI fixed clock. Add mmc0 node for the first mmc
controller instance which is typically connected to the eMMC device.
Add mmc1 node for the second mmc controller instance which is typically
connected to microSD slot.

Signed-off-by: Drew Fustini <dfustini at baylibre.com>
---
 arch/riscv/boot/dts/thead/th1520.dtsi | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/arch/riscv/boot/dts/thead/th1520.dtsi b/arch/riscv/boot/dts/thead/th1520.dtsi
index ff364709a6df..fb8a4a04d3c4 100644
--- a/arch/riscv/boot/dts/thead/th1520.dtsi
+++ b/arch/riscv/boot/dts/thead/th1520.dtsi
@@ -134,6 +134,13 @@ uart_sclk: uart-sclk-clock {
 		#clock-cells = <0>;
 	};
 
+	sdhci_clk: sdhci-clock {
+		compatible = "fixed-clock";
+		clock-frequency = <198000000>;
+		clock-output-names = "sdhci_clk";
+		#clock-cells = <0>;
+	};
+
 	soc {
 		compatible = "simple-bus";
 		interrupt-parent = <&plic>;
@@ -292,6 +299,24 @@ dmac0: dma-controller at ffefc00000 {
 			status = "disabled";
 		};
 
+		mmc0: mmc at ffe7080000 {
+			compatible = "thead,th1520-dwcmshc";
+			reg = <0xff 0xe7080000 0x0 0x10000>;
+			interrupts = <62 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&sdhci_clk>;
+			clock-names = "core";
+			status = "disabled";
+		};
+
+		mmc1: mmc at ffe7090000 {
+			compatible = "thead,th1520-dwcmshc";
+			reg = <0xff 0xe7090000 0x0 0x10000>;
+			interrupts = <64 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&sdhci_clk>;
+			clock-names = "core";
+			status = "disabled";
+		};
+
 		timer0: timer at ffefc32000 {
 			compatible = "snps,dw-apb-timer";
 			reg = <0xff 0xefc32000 0x0 0x14>;

-- 
2.34.1




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