ARM: dts: stm32: Enable STM32H743 clock driver

This patch enables clock driver for STM32H743 soc.
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>

arch/arm/boot/dts/stm32h743-pinctrl.dtsi

@@ -55,7 +55,7 @@ gpioa: gpio@58020000 {
 				gpio-controller;
 				#gpio-cells = <2>;
 				reg = <0x0 0x400>;
-				clocks = <&timer_clk>;
+				clocks = <&rcc GPIOA_CK>;
 				st,bank-name = "GPIOA";
 			};
 
@@ -63,7 +63,7 @@ gpiob: gpio@58020400 {
 				gpio-controller;
 				#gpio-cells = <2>;
 				reg = <0x400 0x400>;
-				clocks = <&timer_clk>;
+				clocks = <&rcc GPIOB_CK>;
 				st,bank-name = "GPIOB";
 			};
 
@@ -71,7 +71,7 @@ gpioc: gpio@58020800 {
 				gpio-controller;
 				#gpio-cells = <2>;
 				reg = <0x800 0x400>;
-				clocks = <&timer_clk>;
+				clocks = <&rcc GPIOC_CK>;
 				st,bank-name = "GPIOC";
 			};
 
@@ -79,7 +79,7 @@ gpiod: gpio@58020c00 {
 				gpio-controller;
 				#gpio-cells = <2>;
 				reg = <0xc00 0x400>;
-				clocks = <&timer_clk>;
+				clocks = <&rcc GPIOD_CK>;
 				st,bank-name = "GPIOD";
 			};
 
@@ -87,7 +87,7 @@ gpioe: gpio@58021000 {
 				gpio-controller;
 				#gpio-cells = <2>;
 				reg = <0x1000 0x400>;
-				clocks = <&timer_clk>;
+				clocks = <&rcc GPIOE_CK>;
 				st,bank-name = "GPIOE";
 			};
 
@@ -95,7 +95,7 @@ gpiof: gpio@58021400 {
 				gpio-controller;
 				#gpio-cells = <2>;
 				reg = <0x1400 0x400>;
-				clocks = <&timer_clk>;
+				clocks = <&rcc GPIOF_CK>;
 				st,bank-name = "GPIOF";
 			};
 
@@ -103,7 +103,7 @@ gpiog: gpio@58021800 {
 				gpio-controller;
 				#gpio-cells = <2>;
 				reg = <0x1800 0x400>;
-				clocks = <&timer_clk>;
+				clocks = <&rcc GPIOG_CK>;
 				st,bank-name = "GPIOG";
 			};
 
@@ -111,7 +111,7 @@ gpioh: gpio@58021c00 {
 				gpio-controller;
 				#gpio-cells = <2>;
 				reg = <0x1c00 0x400>;
-				clocks = <&timer_clk>;
+				clocks = <&rcc GPIOH_CK>;
 				st,bank-name = "GPIOH";
 			};
 
@@ -119,7 +119,7 @@ gpioi: gpio@58022000 {
 				gpio-controller;
 				#gpio-cells = <2>;
 				reg = <0x2000 0x400>;
-				clocks = <&timer_clk>;
+				clocks = <&rcc GPIOI_CK>;
 				st,bank-name = "GPIOI";
 			};
 
@@ -127,7 +127,7 @@ gpioj: gpio@58022400 {
 				gpio-controller;
 				#gpio-cells = <2>;
 				reg = <0x2400 0x400>;
-				clocks = <&timer_clk>;
+				clocks = <&rcc GPIOJ_CK>;
 				st,bank-name = "GPIOJ";
 			};
 
@@ -135,7 +135,7 @@ gpiok: gpio@58022800 {
 				gpio-controller;
 				#gpio-cells = <2>;
 				reg = <0x2800 0x400>;
-				clocks = <&timer_clk>;
+				clocks = <&rcc GPIOK_CK>;
 				st,bank-name = "GPIOK";
 			};
 

arch/arm/boot/dts/stm32h743.dtsi

@@ -42,6 +42,8 @@
 
 #include "skeleton.dtsi"
 #include "armv7-m.dtsi"
+#include <dt-bindings/clock/stm32h7-clks.h>
+#include <dt-bindings/mfd/stm32h7-rcc.h>
 
 / {
 	clocks {
@@ -51,10 +53,16 @@ clk_hse: clk-hse {
 			clock-frequency = <0>;
 		};
 
-		timer_clk: timer-clk {
+		clk_lse: clk-lse {
 			#clock-cells = <0>;
 			compatible = "fixed-clock";
-			clock-frequency = <125000000>;
+			clock-frequency = <32768>;
+		};
+
+		clk_i2s: i2s_ckin {
+			#clock-cells = <0>;
+			compatible = "fixed-clock";
+			clock-frequency = <0>;
 		};
 	};
 
@@ -63,7 +71,7 @@ timer5: timer@40000c00 {
 			compatible = "st,stm32-timer";
 			reg = <0x40000c00 0x400>;
 			interrupts = <50>;
-			clocks = <&timer_clk>;
+			clocks = <&rcc TIM5_CK>;
 		};
 
 		lptimer1: timer@40002400 {
@@ -71,7 +79,7 @@ lptimer1: timer@40002400 {
 			#size-cells = <0>;
 			compatible = "st,stm32-lptimer";
 			reg = <0x40002400 0x400>;
-			clocks = <&timer_clk>;
+			clocks = <&rcc LPTIM1_CK>;
 			clock-names = "mux";
 			status = "disabled";
 
@@ -97,13 +105,13 @@ usart2: serial@40004400 {
 			reg = <0x40004400 0x400>;
 			interrupts = <38>;
 			status = "disabled";
-			clocks = <&timer_clk>;
+			clocks = <&rcc USART2_CK>;
 		};
 
 		dac: dac@40007400 {
 			compatible = "st,stm32h7-dac-core";
 			reg = <0x40007400 0x400>;
-			clocks = <&timer_clk>;
+			clocks = <&rcc DAC12_CK>;
 			clock-names = "pclk";
 			#address-cells = <1>;
 			#size-cells = <0>;
@@ -129,8 +137,7 @@ usart1: serial@40011000 {
 			reg = <0x40011000 0x400>;
 			interrupts = <37>;
 			status = "disabled";
-			clocks = <&timer_clk>;
-
+			clocks = <&rcc USART1_CK>;
 		};
 
 		dma1: dma@40020000 {
@@ -144,7 +151,7 @@ dma1: dma@40020000 {
 				     <16>,
 				     <17>,
 				     <47>;
-			clocks = <&timer_clk>;
+			clocks = <&rcc DMA1_CK>;
 			#dma-cells = <4>;
 			st,mem2mem;
 			dma-requests = <8>;
@@ -162,7 +169,7 @@ dma2: dma@40020400 {
 				     <68>,
 				     <69>,
 				     <70>;
-			clocks = <&timer_clk>;
+			clocks = <&rcc DMA2_CK>;
 			#dma-cells = <4>;
 			st,mem2mem;
 			dma-requests = <8>;
@@ -176,14 +183,14 @@ dmamux1: dma-router@40020800 {
 			dma-channels = <16>;
 			dma-requests = <128>;
 			dma-masters = <&dma1 &dma2>;
-			clocks = <&timer_clk>;
+			clocks = <&rcc DMA1_CK>;
 		};
 
 		adc_12: adc@40022000 {
 			compatible = "st,stm32h7-adc-core";
 			reg = <0x40022000 0x400>;
 			interrupts = <18>;
-			clocks = <&timer_clk>;
+			clocks = <&rcc ADC12_CK>;
 			clock-names = "bus";
 			interrupt-controller;
 			#interrupt-cells = <1>;
@@ -215,7 +222,7 @@ lptimer2: timer@58002400 {
 			#size-cells = <0>;
 			compatible = "st,stm32-lptimer";
 			reg = <0x58002400 0x400>;
-			clocks = <&timer_clk>;
+			clocks = <&rcc LPTIM2_CK>;
 			clock-names = "mux";
 			status = "disabled";
 
@@ -241,7 +248,7 @@ lptimer3: timer@58002800 {
 			#size-cells = <0>;
 			compatible = "st,stm32-lptimer";
 			reg = <0x58002800 0x400>;
-			clocks = <&timer_clk>;
+			clocks = <&rcc LPTIM3_CK>;
 			clock-names = "mux";
 			status = "disabled";
 
@@ -262,7 +269,7 @@ lptimer4: timer@58002c00 {
 			#size-cells = <0>;
 			compatible = "st,stm32-lptimer";
 			reg = <0x58002c00 0x400>;
-			clocks = <&timer_clk>;
+			clocks = <&rcc LPTIM4_CK>;
 			clock-names = "mux";
 			status = "disabled";
 
@@ -277,7 +284,7 @@ lptimer5: timer@58003000 {
 			#size-cells = <0>;
 			compatible = "st,stm32-lptimer";
 			reg = <0x58003000 0x400>;
-			clocks = <&timer_clk>;
+			clocks = <&rcc LPTIM5_CK>;
 			clock-names = "mux";
 			status = "disabled";
 
@@ -290,17 +297,31 @@ pwm {
 		vrefbuf: regulator@58003C00 {
 			compatible = "st,stm32-vrefbuf";
 			reg = <0x58003C00 0x8>;
-			clocks = <&timer_clk>;
+			clocks = <&rcc VREF_CK>;
 			regulator-min-microvolt = <1500000>;
 			regulator-max-microvolt = <2500000>;
 			status = "disabled";
 		};
 
+		rcc: reset-clock-controller@58024400 {
+			compatible = "st,stm32h743-rcc", "st,stm32-rcc";
+			reg = <0x58024400 0x400>;
+			#clock-cells = <1>;
+			#reset-cells = <1>;
+			clocks = <&clk_hse>, <&clk_lse>, <&clk_i2s>;
+			st,syscfg = <&pwrcfg>;
+		};
+
+		pwrcfg: power-config@58024800 {
+			compatible = "syscon";
+			reg = <0x58024800 0x400>;
+		};
+
 		adc_3: adc@58026000 {
 			compatible = "st,stm32h7-adc-core";
 			reg = <0x58026000 0x400>;
 			interrupts = <127>;
-			clocks = <&timer_clk>;
+			clocks = <&rcc ADC3_CK>;
 			clock-names = "bus";
 			interrupt-controller;
 			#interrupt-cells = <1>;