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* [PATCH] arm64: dts: rockchip: Add sdmmc_ext for RK3328
@ 2021-06-23 12:00 Alex Bee
  2021-06-23 12:53 ` Johan Jonker
                   ` (3 more replies)
  0 siblings, 4 replies; 8+ messages in thread
From: Alex Bee @ 2021-06-23 12:00 UTC (permalink / raw)
  To: Heiko Stuebner
  Cc: Rob Herring, devicetree, linux-arm-kernel, linux-rockchip,
	linux-kernel, Alex Bee

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.

While at that also add the reset controls for the other mmc
controllers.

Signed-off-by: Alex Bee <knaerzche@gmail.com>
---
 arch/arm64/boot/dts/rockchip/rk3328.dtsi | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3328.dtsi b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
index da84be6f4715..c13fa2f3f4cd 100644
--- a/arch/arm64/boot/dts/rockchip/rk3328.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
@@ -858,6 +858,8 @@ sdmmc: mmc@ff500000 {
 		clock-names = "biu", "ciu", "ciu-drive", "ciu-sample";
 		fifo-depth = <0x100>;
 		max-frequency = <150000000>;
+		resets = <&cru SRST_MMC0>;
+		reset-names = "reset";
 		status = "disabled";
 	};
 
@@ -870,6 +872,8 @@ sdio: mmc@ff510000 {
 		clock-names = "biu", "ciu", "ciu-drive", "ciu-sample";
 		fifo-depth = <0x100>;
 		max-frequency = <150000000>;
+		resets = <&cru SRST_SDIO>;
+		reset-names = "reset";
 		status = "disabled";
 	};
 
@@ -882,6 +886,8 @@ emmc: mmc@ff520000 {
 		clock-names = "biu", "ciu", "ciu-drive", "ciu-sample";
 		fifo-depth = <0x100>;
 		max-frequency = <150000000>;
+		resets = <&cru SRST_EMMC>;
+		reset-names = "reset";
 		status = "disabled";
 	};
 
@@ -980,6 +986,20 @@ usb_host0_ohci: usb@ff5d0000 {
 		status = "disabled";
 	};
 
+	sdmmc_ext: dwmmc@ff5f0000 {
+		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@ff600000 {
 		compatible = "rockchip,rk3328-dwc3", "snps,dwc3";
 		reg = <0x0 0xff600000 0x0 0x100000>;
-- 
2.27.0


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^ permalink raw reply related	[flat|nested] 8+ messages in thread

end of thread, other threads:[~2021-06-23 15:03 UTC | newest]

Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-06-23 12:00 [PATCH] arm64: dts: rockchip: Add sdmmc_ext for RK3328 Alex Bee
2021-06-23 12:53 ` Johan Jonker
2021-06-23 13:53   ` Alex Bee
2021-06-23 13:11 ` Chen-Yu Tsai
2021-06-23 13:40   ` Heiko Stübner
2021-06-23 13:52     ` Alex Bee
2021-06-23 14:59 ` [PATCH v2] " Alex Bee
2021-06-23 15:02 ` [PATCH] arm64: dts: rockchip: Add sdmmc/sdio/emmc reset controls " Alex Bee

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