[PATCH v4 3/3] arm: dts: stm32mp13: add support of RCC driver

Patrice CHOTARD patrice.chotard at foss.st.com
Wed Dec 7 16:47:48 CET 2022



On 11/24/22 11:36, Gabriel Fernandez wrote:
> Adds support of Clock and Reset drivers for STM32MP13 platform.
> 
> Signed-off-by: Gabriel Fernandez <gabriel.fernandez at foss.st.com>
> Reviewed-by: Patrick Delaunay <patrick.delaunay at foss.st.com>
> 
> ---
> 
> (no changes since v2)
> 
> Changes in v2:
> - missing support of CRYP1 clock
> 
>  arch/arm/dts/stm32mp13-u-boot.dtsi |   4 +
>  arch/arm/dts/stm32mp131.dtsi       | 119 +++++++++++------------------
>  arch/arm/dts/stm32mp133.dtsi       |   4 +-
>  arch/arm/dts/stm32mp13xc.dtsi      |   3 +-
>  arch/arm/dts/stm32mp13xf.dtsi      |   3 +-
>  5 files changed, 54 insertions(+), 79 deletions(-)
> 
> diff --git a/arch/arm/dts/stm32mp13-u-boot.dtsi b/arch/arm/dts/stm32mp13-u-boot.dtsi
> index 47a43649bb..3730f474b2 100644
> --- a/arch/arm/dts/stm32mp13-u-boot.dtsi
> +++ b/arch/arm/dts/stm32mp13-u-boot.dtsi
> @@ -92,6 +92,10 @@
>  	u-boot,dm-pre-reloc;
>  };
>  
> +&rcc {
> +	u-boot,dm-pre-reloc;
> +};
> +
>  &scmi {
>  	u-boot,dm-pre-reloc;
>  };
> diff --git a/arch/arm/dts/stm32mp131.dtsi b/arch/arm/dts/stm32mp131.dtsi
> index a1c6d0d00b..d893bc24b4 100644
> --- a/arch/arm/dts/stm32mp131.dtsi
> +++ b/arch/arm/dts/stm32mp131.dtsi
> @@ -4,6 +4,8 @@
>   * Author: Alexandre Torgue <alexandre.torgue at foss.st.com> for STMicroelectronics.
>   */
>  #include <dt-bindings/interrupt-controller/arm-gic.h>
> +#include <dt-bindings/clock/stm32mp13-clks.h>
> +#include <dt-bindings/reset/stm32mp13-resets.h>
>  
>  / {
>  	#address-cells = <1>;
> @@ -52,62 +54,6 @@
>  		};
>  	};
>  
> -	clocks {
> -		clk_axi: clk-axi {
> -			#clock-cells = <0>;
> -			compatible = "fixed-clock";
> -			clock-frequency = <266500000>;
> -		};
> -
> -		clk_hse: clk-hse {
> -			#clock-cells = <0>;
> -			compatible = "fixed-clock";
> -			clock-frequency = <24000000>;
> -		};
> -
> -		clk_hsi: clk-hsi {
> -			#clock-cells = <0>;
> -			compatible = "fixed-clock";
> -			clock-frequency = <64000000>;
> -		};
> -
> -		clk_lsi: clk-lsi {
> -			#clock-cells = <0>;
> -			compatible = "fixed-clock";
> -			clock-frequency = <32000>;
> -		};
> -
> -		clk_pclk3: clk-pclk3 {
> -			#clock-cells = <0>;
> -			compatible = "fixed-clock";
> -			clock-frequency = <104438965>;
> -		};
> -
> -		clk_pclk4: clk-pclk4 {
> -			#clock-cells = <0>;
> -			compatible = "fixed-clock";
> -			clock-frequency = <133250000>;
> -		};
> -
> -		clk_pll4_p: clk-pll4_p {
> -			#clock-cells = <0>;
> -			compatible = "fixed-clock";
> -			clock-frequency = <50000000>;
> -		};
> -
> -		clk_pll4_r: clk-pll4_r {
> -			#clock-cells = <0>;
> -			compatible = "fixed-clock";
> -			clock-frequency = <99000000>;
> -		};
> -
> -		clk_rtc_k: clk-rtc-k {
> -			#clock-cells = <0>;
> -			compatible = "fixed-clock";
> -			clock-frequency = <32768>;
> -		};
> -	};
> -
>  	intc: interrupt-controller at a0021000 {
>  		compatible = "arm,cortex-a7-gic";
>  		#interrupt-cells = <3>;
> @@ -155,7 +101,8 @@
>  			compatible = "st,stm32h7-uart";
>  			reg = <0x40010000 0x400>;
>  			interrupts = <GIC_SPI 53 IRQ_TYPE_LEVEL_HIGH>;
> -			clocks = <&clk_hsi>;
> +			clocks = <&rcc UART4_K>;
> +			resets = <&rcc UART4_R>;
>  			status = "disabled";
>  		};
>  
> @@ -170,7 +117,8 @@
>  				     <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>,
>  				     <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>,
>  				     <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>;
> -			clocks = <&clk_pclk4>;
> +			clocks = <&rcc DMA1>;
> +			resets = <&rcc DMA1_R>;
>  			#dma-cells = <4>;
>  			st,mem2mem;
>  			dma-requests = <8>;
> @@ -187,7 +135,8 @@
>  				     <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>,
>  				     <GIC_SPI 70 IRQ_TYPE_LEVEL_HIGH>,
>  				     <GIC_SPI 71 IRQ_TYPE_LEVEL_HIGH>;
> -			clocks = <&clk_pclk4>;
> +			clocks = <&rcc DMA2>;
> +			resets = <&rcc DMA2_R>;
>  			#dma-cells = <4>;
>  			st,mem2mem;
>  			dma-requests = <8>;
> @@ -196,13 +145,29 @@
>  		dmamux1: dma-router at 48002000 {
>  			compatible = "st,stm32h7-dmamux";
>  			reg = <0x48002000 0x40>;
> -			clocks = <&clk_pclk4>;
> +			clocks = <&rcc DMAMUX1>;
> +			resets = <&rcc DMAMUX1_R>;
>  			#dma-cells = <3>;
>  			dma-masters = <&dma1 &dma2>;
>  			dma-requests = <128>;
>  			dma-channels = <16>;
>  		};
>  
> +		rcc: rcc at 50000000 {
> +			compatible = "st,stm32mp13-rcc", "syscon";
> +			reg = <0x50000000 0x1000>;
> +			#clock-cells = <1>;
> +			#reset-cells = <1>;
> +			interrupts = <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>;
> +
> +			clock-names = "hse", "hsi", "csi", "lse", "lsi";
> +			clocks = <&scmi_clk CK_SCMI_HSE>,
> +				 <&scmi_clk CK_SCMI_HSI>,
> +				 <&scmi_clk CK_SCMI_CSI>,
> +				 <&scmi_clk CK_SCMI_LSE>,
> +				 <&scmi_clk CK_SCMI_LSI>;
> +		};
> +
>  		exti: interrupt-controller at 5000d000 {
>  			compatible = "st,stm32mp13-exti", "syscon";
>  			interrupt-controller;
> @@ -213,14 +178,14 @@
>  		syscfg: syscon at 50020000 {
>  			compatible = "st,stm32mp157-syscfg", "syscon";
>  			reg = <0x50020000 0x400>;
> -			clocks = <&clk_pclk3>;
> +			clocks = <&rcc SYSCFG>;
>  		};
>  
>  		mdma: dma-controller at 58000000 {
>  			compatible = "st,stm32h7-mdma";
>  			reg = <0x58000000 0x1000>;
>  			interrupts = <GIC_SPI 107 IRQ_TYPE_LEVEL_HIGH>;
> -			clocks = <&clk_pclk4>;
> +			clocks = <&rcc MDMA>;
>  			#dma-cells = <5>;
>  			dma-channels = <32>;
>  			dma-requests = <48>;
> @@ -232,8 +197,9 @@
>  			reg = <0x58005000 0x1000>, <0x58006000 0x1000>;
>  			interrupts = <GIC_SPI 50 IRQ_TYPE_LEVEL_HIGH>;
>  			interrupt-names = "cmd_irq";
> -			clocks = <&clk_pll4_p>;
> +			clocks = <&rcc SDMMC1_K>;
>  			clock-names = "apb_pclk";
> +			resets = <&rcc SDMMC1_R>;
>  			cap-sd-highspeed;
>  			cap-mmc-highspeed;
>  			max-frequency = <130000000>;
> @@ -246,8 +212,10 @@
>  			reg = <0x58007000 0x1000>, <0x58008000 0x1000>;
>  			interrupts = <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>;
>  			interrupt-names = "cmd_irq";
> -			clocks = <&clk_pll4_p>;
> +			clocks = <&rcc SDMMC2_K>;
>  			clock-names = "apb_pclk";
> +			resets = <&rcc SDMMC2_R>;
> +
>  			cap-sd-highspeed;
>  			cap-mmc-highspeed;
>  			max-frequency = <130000000>;
> @@ -257,7 +225,7 @@
>  		iwdg2: watchdog at 5a002000 {
>  			compatible = "st,stm32mp1-iwdg";
>  			reg = <0x5a002000 0x400>;
> -			clocks = <&clk_pclk4>, <&clk_lsi>;
> +			clocks = <&rcc IWDG2>, <&scmi_clk CK_SCMI_LSI>;
>  			clock-names = "pclk", "lsi";
>  			status = "disabled";
>  		};
> @@ -266,7 +234,8 @@
>  			compatible = "st,stm32mp1-rtc";
>  			reg = <0x5c004000 0x400>;
>  			interrupts-extended = <&exti 19 IRQ_TYPE_LEVEL_HIGH>;
> -			clocks = <&clk_pclk4>, <&clk_rtc_k>;
> +			clocks = <&scmi_clk CK_SCMI_RTCAPB>,
> +				 <&scmi_clk CK_SCMI_RTC>;
>  			clock-names = "pclk", "rtc_ck";
>  			status = "disabled";
>  		};
> @@ -307,7 +276,7 @@
>  				interrupt-controller;
>  				#interrupt-cells = <2>;
>  				reg = <0x0 0x400>;
> -				clocks = <&clk_pclk4>;
> +				clocks = <&rcc GPIOA>;
>  				st,bank-name = "GPIOA";
>  				ngpios = <16>;
>  				gpio-ranges = <&pinctrl 0 0 16>;
> @@ -319,7 +288,7 @@
>  				interrupt-controller;
>  				#interrupt-cells = <2>;
>  				reg = <0x1000 0x400>;
> -				clocks = <&clk_pclk4>;
> +				clocks = <&rcc GPIOB>;
>  				st,bank-name = "GPIOB";
>  				ngpios = <16>;
>  				gpio-ranges = <&pinctrl 0 16 16>;
> @@ -331,7 +300,7 @@
>  				interrupt-controller;
>  				#interrupt-cells = <2>;
>  				reg = <0x2000 0x400>;
> -				clocks = <&clk_pclk4>;
> +				clocks = <&rcc GPIOC>;
>  				st,bank-name = "GPIOC";
>  				ngpios = <16>;
>  				gpio-ranges = <&pinctrl 0 32 16>;
> @@ -343,7 +312,7 @@
>  				interrupt-controller;
>  				#interrupt-cells = <2>;
>  				reg = <0x3000 0x400>;
> -				clocks = <&clk_pclk4>;
> +				clocks = <&rcc GPIOD>;
>  				st,bank-name = "GPIOD";
>  				ngpios = <16>;
>  				gpio-ranges = <&pinctrl 0 48 16>;
> @@ -355,7 +324,7 @@
>  				interrupt-controller;
>  				#interrupt-cells = <2>;
>  				reg = <0x4000 0x400>;
> -				clocks = <&clk_pclk4>;
> +				clocks = <&rcc GPIOE>;
>  				st,bank-name = "GPIOE";
>  				ngpios = <16>;
>  				gpio-ranges = <&pinctrl 0 64 16>;
> @@ -367,7 +336,7 @@
>  				interrupt-controller;
>  				#interrupt-cells = <2>;
>  				reg = <0x5000 0x400>;
> -				clocks = <&clk_pclk4>;
> +				clocks = <&rcc GPIOF>;
>  				st,bank-name = "GPIOF";
>  				ngpios = <16>;
>  				gpio-ranges = <&pinctrl 0 80 16>;
> @@ -379,7 +348,7 @@
>  				interrupt-controller;
>  				#interrupt-cells = <2>;
>  				reg = <0x6000 0x400>;
> -				clocks = <&clk_pclk4>;
> +				clocks = <&rcc GPIOG>;
>  				st,bank-name = "GPIOG";
>  				ngpios = <16>;
>  				gpio-ranges = <&pinctrl 0 96 16>;
> @@ -391,7 +360,7 @@
>  				interrupt-controller;
>  				#interrupt-cells = <2>;
>  				reg = <0x7000 0x400>;
> -				clocks = <&clk_pclk4>;
> +				clocks = <&rcc GPIOH>;
>  				st,bank-name = "GPIOH";
>  				ngpios = <15>;
>  				gpio-ranges = <&pinctrl 0 112 15>;
> @@ -403,7 +372,7 @@
>  				interrupt-controller;
>  				#interrupt-cells = <2>;
>  				reg = <0x8000 0x400>;
> -				clocks = <&clk_pclk4>;
> +				clocks = <&rcc GPIOI>;
>  				st,bank-name = "GPIOI";
>  				ngpios = <8>;
>  				gpio-ranges = <&pinctrl 0 128 8>;
> diff --git a/arch/arm/dts/stm32mp133.dtsi b/arch/arm/dts/stm32mp133.dtsi
> index 0fb1386257..531c263c9f 100644
> --- a/arch/arm/dts/stm32mp133.dtsi
> +++ b/arch/arm/dts/stm32mp133.dtsi
> @@ -15,7 +15,7 @@
>  			interrupts = <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>,
>  				     <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>;
>  			interrupt-names = "int0", "int1";
> -			clocks = <&clk_hse>, <&clk_pll4_r>;
> +			clocks = <&scmi_clk CK_SCMI_HSE>, <&rcc FDCAN_K>;
>  			clock-names = "hclk", "cclk";
>  			bosch,mram-cfg = <0x0 0 0 32 0 0 2 2>;
>  			status = "disabled";
> @@ -28,7 +28,7 @@
>  			interrupts = <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>,
>  				     <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>;
>  			interrupt-names = "int0", "int1";
> -			clocks = <&clk_hse>, <&clk_pll4_r>;
> +			clocks = <&scmi_clk CK_SCMI_HSE>, <&rcc FDCAN_K>;
>  			clock-names = "hclk", "cclk";
>  			bosch,mram-cfg = <0x1400 0 0 32 0 0 2 2>;
>  			status = "disabled";
> diff --git a/arch/arm/dts/stm32mp13xc.dtsi b/arch/arm/dts/stm32mp13xc.dtsi
> index fa6889e305..4d00e75928 100644
> --- a/arch/arm/dts/stm32mp13xc.dtsi
> +++ b/arch/arm/dts/stm32mp13xc.dtsi
> @@ -10,7 +10,8 @@
>  			compatible = "st,stm32mp1-cryp";
>  			reg = <0x54002000 0x400>;
>  			interrupts = <GIC_SPI 80 IRQ_TYPE_LEVEL_HIGH>;
> -			clocks = <&clk_axi>;
> +			clocks = <&rcc CRYP1>;
> +			resets = <&rcc CRYP1_R>;
>  			status = "disabled";
>  		};
>  	};
> diff --git a/arch/arm/dts/stm32mp13xf.dtsi b/arch/arm/dts/stm32mp13xf.dtsi
> index fa6889e305..4d00e75928 100644
> --- a/arch/arm/dts/stm32mp13xf.dtsi
> +++ b/arch/arm/dts/stm32mp13xf.dtsi
> @@ -10,7 +10,8 @@
>  			compatible = "st,stm32mp1-cryp";
>  			reg = <0x54002000 0x400>;
>  			interrupts = <GIC_SPI 80 IRQ_TYPE_LEVEL_HIGH>;
> -			clocks = <&clk_axi>;
> +			clocks = <&rcc CRYP1>;
> +			resets = <&rcc CRYP1_R>;
>  			status = "disabled";
>  		};
>  	};


Reviewed-by: Patrice Chotard <patrice.chotard at foss.st.com>

Thanks
Patrice


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