[PATCH v5 3/7] ARM: dts: stm32: add new instances for stm32h743 MCU

dillon.minfei at gmail.com dillon.minfei at gmail.com
Fri Apr 9 09:28:42 CEST 2021


From: dillon min <dillon.minfei at gmail.com>

Some instances are missing in current support of stm32h743 MCU. This commit
adds usart3/uart4 and sdmmc2 support.

Signed-off-by: dillon min <dillon.minfei at gmail.com>
Reviewed-by: Patrice Chotard <patrice.chotard at foss.st.com>
---
v5: no changes

 arch/arm/dts/stm32h743.dtsi | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/arch/arm/dts/stm32h743.dtsi b/arch/arm/dts/stm32h743.dtsi
index 8c96698..77a8aef 100644
--- a/arch/arm/dts/stm32h743.dtsi
+++ b/arch/arm/dts/stm32h743.dtsi
@@ -99,6 +99,22 @@
 			clocks = <&rcc USART2_CK>;
 		};
 
+		usart3: serial at 40004800 {
+			compatible = "st,stm32h7-uart";
+			reg = <0x40004800 0x400>;
+			interrupts = <39>;
+			status = "disabled";
+			clocks = <&rcc USART3_CK>;
+		};
+
+		uart4: serial at 40004c00 {
+			compatible = "st,stm32h7-uart";
+			reg = <0x40004c00 0x400>;
+			interrupts = <52>;
+			status = "disabled";
+			clocks = <&rcc UART4_CK>;
+		};
+
 		i2c1: i2c at 40005400 {
 			compatible = "st,stm32f7-i2c";
 			#address-cells = <1>;
@@ -332,6 +348,20 @@
 			max-frequency = <120000000>;
 		};
 
+		sdmmc2: sdmmc at 48022400 {
+			compatible = "arm,pl18x", "arm,primecell";
+			arm,primecell-periphid = <0x10153180>;
+			reg = <0x48022400 0x400>;
+			interrupts = <124>;
+			interrupt-names	= "cmd_irq";
+			clocks = <&rcc SDMMC2_CK>;
+			clock-names = "apb_pclk";
+			resets = <&rcc STM32H7_AHB2_RESET(SDMMC2)>;
+			cap-sd-highspeed;
+			cap-mmc-highspeed;
+			max-frequency = <120000000>;
+		};
+
 		exti: interrupt-controller at 58000000 {
 			compatible = "st,stm32h7-exti";
 			interrupt-controller;
-- 
2.7.4



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