linux-kernel - [PATCH 2/2] riscv: dts: sophgo: Add emmc support for Huashan Pi

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Message-ID: <20241025112902.1200716-3-inochiama@gmail.com>
Date: Fri, 25 Oct 2024 19:29:00 +0800
From: Inochi Amaoto <inochiama@...il.com>
To: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>,
	Chen Wang <unicorn_wang@...look.com>,
	Inochi Amaoto <inochiama@...look.com>,
	Jisheng Zhang <jszhang@...nel.org>,
	Thomas Bonnefille <thomas.bonnefille@...tlin.com>
Cc: Inochi Amaoto <inochiama@...il.com>,
	devicetree@...r.kernel.org,
	linux-riscv@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] riscv: dts: sophgo: Add emmc support for Huashan Pi

From: Inochi Amaoto <inochiama@...look.com>

Add emmc node configuration for Huashan Pi.

Signed-off-by: Inochi Amaoto <inochiama@...il.com>
---
 .../boot/dts/sophgo/cv1812h-huashan-pi.dts    | 12 +++++++++++
 arch/riscv/boot/dts/sophgo/cv1812h.dtsi       |  1 +
 arch/riscv/boot/dts/sophgo/cv181x.dtsi        | 21 +++++++++++++++++++
 arch/riscv/boot/dts/sophgo/sg2002.dtsi        |  1 +
 4 files changed, 35 insertions(+)
 create mode 100644 arch/riscv/boot/dts/sophgo/cv181x.dtsi

diff --git a/arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts b/arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts
index 4ea27cd357dc..26b57e15adc1 100644
--- a/arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts
+++ b/arch/riscv/boot/dts/sophgo/cv1812h-huashan-pi.dts
@@ -43,6 +43,18 @@ &osc {
 	clock-frequency = <25000000>;
 };
 
+&emmc {
+	status = "okay";
+	bus-width = <4>;
+	max-frequency = <200000000>;
+	mmc-ddr-1_8v;
+	mmc-ddr-3_3v;
+	mmc-hs200-1_8v;
+	no-sd;
+	no-sdio;
+	non-removable;
+};
+
 &sdhci0 {
 	status = "okay";
 	bus-width = <4>;
diff --git a/arch/riscv/boot/dts/sophgo/cv1812h.dtsi b/arch/riscv/boot/dts/sophgo/cv1812h.dtsi
index 815114db54ed..8a1b95c5116b 100644
--- a/arch/riscv/boot/dts/sophgo/cv1812h.dtsi
+++ b/arch/riscv/boot/dts/sophgo/cv1812h.dtsi
@@ -6,6 +6,7 @@
 #include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/pinctrl/pinctrl-cv1812h.h>
 #include "cv18xx.dtsi"
+#include "cv181x.dtsi"
 
 / {
 	compatible = "sophgo,cv1812h";
diff --git a/arch/riscv/boot/dts/sophgo/cv181x.dtsi b/arch/riscv/boot/dts/sophgo/cv181x.dtsi
new file mode 100644
index 000000000000..5fd14dd1b14f
--- /dev/null
+++ b/arch/riscv/boot/dts/sophgo/cv181x.dtsi
@@ -0,0 +1,21 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright (C) 2024 Inochi Amaoto <inochiama@...look.com>
+ */
+
+#include <dt-bindings/clock/sophgo,cv1800.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+
+/ {
+	soc {
+		emmc: mmc@...0000 {
+			compatible = "sophgo,cv1800b-dwcmshc";
+			reg = <0x4300000 0x1000>;
+			interrupts = <34 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&clk CLK_AXI4_EMMC>,
+				 <&clk CLK_EMMC>;
+			clock-names = "core", "bus";
+			status = "disabled";
+		};
+	};
+};
diff --git a/arch/riscv/boot/dts/sophgo/sg2002.dtsi b/arch/riscv/boot/dts/sophgo/sg2002.dtsi
index 242fde84443f..8c35cdc34d2d 100644
--- a/arch/riscv/boot/dts/sophgo/sg2002.dtsi
+++ b/arch/riscv/boot/dts/sophgo/sg2002.dtsi
@@ -6,6 +6,7 @@
 #include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/pinctrl/pinctrl-sg2002.h>
 #include "cv18xx.dtsi"
+#include "cv181x.dtsi"
 
 / {
 	compatible = "sophgo,sg2002";
-- 
2.47.0