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

Emil Renner Berthing emil.renner.berthing at canonical.com
Wed May 8 04:15:54 PDT 2024


From: Emil Renner Berthing <kernel at esmil.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 at esmil.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 at 11850000 {
 			reg = <0x0 0x11850000 0x0 0x10000>;
 		};
 
+		uart0: serial at 11870000 {
+			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 at 11880000 {
+			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 at 118b0000 {
 			compatible = "snps,designware-i2c";
 			reg = <0x0 0x118b0000 0x0 0x10000>;
-- 
2.43.0




More information about the linux-riscv mailing list