linux-kernel - [PATCH v3 1/2] arm64: dts: rockchip: Add sdmmc

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Message-ID: <20240710132830.14710-3-didi.debian@cknow.org>
Date: Wed, 10 Jul 2024 15:28:12 +0200
From: Diederik de Haas <didi.debian@...ow.org>
To: Heiko Stuebner <heiko@...ech.de>
Cc: Alex Bee <knaerzche@...il.com>,
	linux-rockchip@...ts.infradead.org,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Johan Jonker <jbx6244@...il.com>,
	Chen-Yu Tsai <wens@...e.org>,
	Diederik de Haas <didi.debian@...ow.org>
Subject: [PATCH v3 1/2] arm64: dts: rockchip: Add sdmmc_ext for RK3328

From: Alex Bee <knaerzche@...il.com>

RK3328 SoC has a fourth mmc controller called SDMMC_EXT. Some
boards have sdio wifi connected to it. In order to use it
one would have to add the pinctrls from sdmmc0ext group which
is done on board level.

Signed-off-by: Alex Bee <knaerzche@...il.com>
Signed-off-by: Diederik de Haas <didi.debian@...ow.org>
---
 arch/arm64/boot/dts/rockchip/rk3328.dtsi | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3328.dtsi b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
index b01efd6d042c..95c3f1303544 100644
--- a/arch/arm64/boot/dts/rockchip/rk3328.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
@@ -1036,6 +1036,20 @@ usb_host0_ohci: usb@...d0000 {
 		status = "disabled";
 	};
 
+	sdmmc_ext: mmc@...f0000 {
+		compatible = "rockchip,rk3328-dw-mshc", "rockchip,rk3288-dw-mshc";
+		reg = <0x0 0xff5f0000 0x0 0x4000>;
+		interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&cru HCLK_SDMMC_EXT>, <&cru SCLK_SDMMC_EXT>,
+			 <&cru SCLK_SDMMC_EXT_DRV>, <&cru SCLK_SDMMC_EXT_SAMPLE>;
+		clock-names = "biu", "ciu", "ciu-drive", "ciu-sample";
+		fifo-depth = <0x100>;
+		max-frequency = <150000000>;
+		resets = <&cru SRST_SDMMCEXT>;
+		reset-names = "reset";
+		status = "disabled";
+	};
+
 	usbdrd3: usb@...00000 {
 		compatible = "rockchip,rk3328-dwc3", "snps,dwc3";
 		reg = <0x0 0xff600000 0x0 0x100000>;
-- 
2.45.2