linux-kernel - [PATCH v1 1/2] riscv: dts: starfive: Add JH7100 high speed UARTs

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Message-ID: <20240508111604.887466-2-emil.renner.berthing@canonical.com>
Date: Wed,  8 May 2024 13:15:54 +0200
From: Emil Renner Berthing <emil.renner.berthing@...onical.com>
To: devicetree@...r.kernel.org,
	linux-riscv@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Cc: Emil Renner Berthing <kernel@...il.dk>,
	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>
Subject: [PATCH v1 1/2] riscv: dts: starfive: Add JH7100 high speed UARTs

From: Emil Renner Berthing <kernel@...il.dk>

Add missing device tree nodes for UART0 and UART1 on the StarFive JH7100
SoC. UART0 is used for Bluetooth on the BeagleV Starlight and StarFive
VisionFive V1 boards.

Signed-off-by: Emil Renner Berthing <kernel@...il.dk>
---
 arch/riscv/boot/dts/starfive/jh7100.dtsi | 26 ++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/arch/riscv/boot/dts/starfive/jh7100.dtsi b/arch/riscv/boot/dts/starfive/jh7100.dtsi
index 9a2e9583af88..34c1622d5496 100644
--- a/arch/riscv/boot/dts/starfive/jh7100.dtsi
+++ b/arch/riscv/boot/dts/starfive/jh7100.dtsi
@@ -258,6 +258,32 @@ sysmain: syscon@...50000 {
 			reg = <0x0 0x11850000 0x0 0x10000>;
 		};
 
+		uart0: serial@...70000 {
+			compatible = "starfive,jh7100-hsuart", "snps,dw-apb-uart";
+			reg = <0x0 0x11870000 0x0 0x10000>;
+			clocks = <&clkgen JH7100_CLK_UART0_CORE>,
+				 <&clkgen JH7100_CLK_UART0_APB>;
+			clock-names = "baudclk", "apb_pclk";
+			resets = <&rstgen JH7100_RSTN_UART0_APB>;
+			interrupts = <92>;
+			reg-io-width = <4>;
+			reg-shift = <2>;
+			status = "disabled";
+		};
+
+		uart1: serial@...80000 {
+			compatible = "starfive,jh7100-hsuart", "snps,dw-apb-uart";
+			reg = <0x0 0x11880000 0x0 0x10000>;
+			clocks = <&clkgen JH7100_CLK_UART1_CORE>,
+				 <&clkgen JH7100_CLK_UART1_APB>;
+			clock-names = "baudclk", "apb_pclk";
+			resets = <&rstgen JH7100_RSTN_UART1_APB>;
+			interrupts = <93>;
+			reg-io-width = <4>;
+			reg-shift = <2>;
+			status = "disabled";
+		};
+
 		i2c0: i2c@...b0000 {
 			compatible = "snps,designware-i2c";
 			reg = <0x0 0x118b0000 0x0 0x10000>;
-- 
2.43.0