linux-kernel - [PATCH 7/8] arm64: dts: rockchip: Add SDMMC/SDIO controllers for RK3528

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Message-ID: <20250301104749.36423-1-ziyao@disroot.org>
Date: Sat,  1 Mar 2025 10:47:49 +0000
From: Yao Zi <ziyao@...root.org>
To: Ulf Hansson <ulf.hansson@...aro.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Heiko Stuebner <heiko@...ech.de>,
	Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>,
	Frank Wang <frank.wang@...k-chips.com>,
	Shresth Prasad <shresthprasad7@...il.com>,
	Cristian Ciocaltea <cristian.ciocaltea@...labora.com>,
	Detlev Casanova <detlev.casanova@...labora.com>,
	Jonas Karlman <jonas@...boo.se>
Cc: linux-mmc@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	linux-clk@...r.kernel.org,
	Yao Zi <ziyao@...root.org>
Subject: [PATCH 7/8] arm64: dts: rockchip: Add SDMMC/SDIO controllers for RK3528

RK3528 features two SDIO controllers and one SD/MMC controller, describe
them in devicetree. Since their sample and drive clocks are located in
the VO and VPU GRFs, corresponding syscons are added to make these
clocks available.

Signed-off-by: Yao Zi <ziyao@...root.org>
---
 arch/arm64/boot/dts/rockchip/rk3528.dtsi | 62 ++++++++++++++++++++++++
 1 file changed, 62 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3528.dtsi b/arch/arm64/boot/dts/rockchip/rk3528.dtsi
index 5b334690356a..078c97fa1d9f 100644
--- a/arch/arm64/boot/dts/rockchip/rk3528.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3528.dtsi
@@ -7,6 +7,7 @@
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/clock/rockchip,rk3528-cru.h>
+#include <dt-bindings/reset/rockchip,rk3528-cru.h>
 
 / {
 	compatible = "rockchip,rk3528";
@@ -122,6 +123,16 @@ gic: interrupt-controller@...01000 {
 			#interrupt-cells = <3>;
 		};
 
+		vpu_grf: syscon@...40000 {
+			compatible = "rockchip,rk3528-vpu-grf", "syscon";
+			reg = <0x0 0xff340000 0x0 0x8000>;
+		};
+
+		vo_grf: syscon@...60000 {
+			compatible = "rockchip,rk3528-vo-grf", "syscon";
+			reg = <0x0 0xff360000 0x0 0x10000>;
+		};
+
 		cru: clock-controller@...a0000 {
 			compatible = "rockchip,rk3528-cru";
 			reg = <0x0 0xff4a0000 0x0 0x30000>;
@@ -251,5 +262,56 @@ uart7: serial@...28000 {
 			reg-shift = <2>;
 			status = "disabled";
 		};
+
+		sdio0: mmc@...10000 {
+			compatible = "rockchip,rk3528-dw-mshc",
+				     "rockchip,rk3288-dw-mshc";
+			reg = <0x0 0xffc10000 0x0 0x4000>;
+			clocks = <&cru HCLK_SDIO0>,
+				 <&cru CCLK_SRC_SDIO0>,
+				 <&cru SCLK_SDIO0_DRV>,
+				 <&cru SCLK_SDIO0_SAMPLE>;
+			clock-names = "biu", "ciu", "ciu-drive", "ciu-sample";
+			fifo-depth = <0x100>;
+			interrupts = <GIC_SPI 137 IRQ_TYPE_LEVEL_HIGH>;
+			max-frequency = <150000000>;
+			resets = <&cru SRST_H_SDIO0>;
+			reset-names = "reset";
+			status = "disabled";
+		};
+
+		sdio1: mmc@...20000 {
+			compatible = "rockchip,rk3528-dw-mshc",
+				     "rockchip,rk3288-dw-mshc";
+			reg = <0x0 0xffc20000 0x0 0x4000>;
+			clocks = <&cru HCLK_SDIO1>,
+				 <&cru CCLK_SRC_SDIO1>,
+				 <&cru SCLK_SDIO1_DRV>,
+				 <&cru SCLK_SDIO1_SAMPLE>;
+			clock-names = "biu", "ciu", "ciu-drive", "ciu-sample";
+			fifo-depth = <0x100>;
+			interrupts = <GIC_SPI 138 IRQ_TYPE_LEVEL_HIGH>;
+			max-frequency = <150000000>;
+			resets = <&cru SRST_H_SDIO1>;
+			reset-names = "reset";
+			status = "disabled";
+		};
+
+		sdmmc: mmc@...30000 {
+			compatible = "rockchip,rk3528-dw-mshc",
+				     "rockchip,rk3288-dw-mshc";
+			reg = <0x0 0xffc30000 0x0 0x4000>;
+			clocks = <&cru HCLK_SDMMC0>,
+				 <&cru CCLK_SRC_SDMMC0>,
+				 <&cru SCLK_SDMMC_DRV>,
+				 <&cru SCLK_SDMMC_SAMPLE>;
+			clock-names = "biu", "ciu", "ciu-drive", "ciu-sample";
+			fifo-depth = <0x100>;
+			interrupts = <GIC_SPI 133 IRQ_TYPE_LEVEL_HIGH>;
+			max-frequency = <150000000>;
+			resets = <&cru SRST_H_SDMMC0>;
+			reset-names = "reset";
+			status = "disabled";
+		};
 	};
 };
-- 
2.48.1