[PATCH v2 08/30] arm64: dts: rockchip: Add SDHCI controller for RK3528

Jonas Karlman jonas at kwiboo.se
Tue Apr 8 00:46:41 CEST 2025


The SDHCI controller in Rockchip RK3528 is similar to the one included
in RK3588.

Add device tree node for the SDHCI controller in RK3528.

Signed-off-by: Jonas Karlman <jonas at kwiboo.se>
Link: https://lore.kernel.org/r/20250305214108.1327208-3-jonas@kwiboo.se
Signed-off-by: Heiko Stuebner <heiko at sntech.de>

[ upstream commit: a98cc47f79ab5b8059b748bf0bd59335edfff7d9 ]

(cherry picked from commit db7a99c423dea0ead19d6a18053d898a762a3b48)
Signed-off-by: Jonas Karlman <jonas at kwiboo.se>
---
 dts/upstream/src/arm64/rockchip/rk3528.dtsi | 24 +++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/dts/upstream/src/arm64/rockchip/rk3528.dtsi b/dts/upstream/src/arm64/rockchip/rk3528.dtsi
index c2eaa0c6ea90..26c3559d6a6d 100644
--- a/dts/upstream/src/arm64/rockchip/rk3528.dtsi
+++ b/dts/upstream/src/arm64/rockchip/rk3528.dtsi
@@ -468,6 +468,30 @@
 			status = "disabled";
 		};
 
+		sdhci: mmc at ffbf0000 {
+			compatible = "rockchip,rk3528-dwcmshc",
+				     "rockchip,rk3588-dwcmshc";
+			reg = <0x0 0xffbf0000 0x0 0x10000>;
+			assigned-clocks = <&cru BCLK_EMMC>, <&cru TCLK_EMMC>,
+					  <&cru CCLK_SRC_EMMC>;
+			assigned-clock-rates = <200000000>, <24000000>,
+					       <200000000>;
+			clocks = <&cru CCLK_SRC_EMMC>, <&cru HCLK_EMMC>,
+				 <&cru ACLK_EMMC>, <&cru BCLK_EMMC>,
+				 <&cru TCLK_EMMC>;
+			clock-names = "core", "bus", "axi", "block", "timer";
+			interrupts = <GIC_SPI 136 IRQ_TYPE_LEVEL_HIGH>;
+			max-frequency = <200000000>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&emmc_bus8>, <&emmc_clk>, <&emmc_cmd>,
+				    <&emmc_strb>;
+			resets = <&cru SRST_C_EMMC>, <&cru SRST_H_EMMC>,
+				 <&cru SRST_A_EMMC>, <&cru SRST_B_EMMC>,
+				 <&cru SRST_T_EMMC>;
+			reset-names = "core", "bus", "axi", "block", "timer";
+			status = "disabled";
+		};
+
 		pinctrl: pinctrl {
 			compatible = "rockchip,rk3528-pinctrl";
 			rockchip,grf = <&ioc_grf>;
-- 
2.49.0



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