[Linux-stm32] [PATCH 3/3] ARM: dts: stm32: Fix DT dtc warnings for stm32f4

Alexandre Torgue alexandre.torgue at st.com
Tue Aug 7 11:44:59 UTC 2018


Hi Patrice

On 08/07/2018 01:06 PM, patrice.chotard at st.com wrote:
> From: Patrice Chotard <patrice.chotard at st.com>
> 
> Fix the following DT dtc warnings for stm32f429 and
> stm32f469 boards:
> 
> Warning (node_name_chars_strict): /soc/pin-controller/usbotg_fs at 0: Character '_' not recommended in node name
> Warning (node_name_chars_strict): /soc/pin-controller/usbotg_fs at 1: Character '_' not recommended in node name
> Warning (node_name_chars_strict): /soc/pin-controller/usbotg_hs at 0: Character '_' not recommended in node name
> Warning (node_name_chars_strict): /soc/pin-controller/sdio_pins at 0: Character '_' not recommended in node name
> Warning (node_name_chars_strict): /soc/pin-controller/sdio_pins_od at 0: Character '_' not recommended in node name
> Warning (node_name_chars_strict): /gpio_keys: Character '_' not recommended in node name
> Warning (unit_address_vs_reg): /memory: node has a reg or ranges property, but no unit name
> Warning (unit_address_vs_reg): /soc/pin-controller: node has a reg or ranges property, but no unit name
> Warning (unit_address_vs_reg): /soc/pin-controller/usart1 at 0: node has a unit name, but no reg property
> Warning (unit_address_vs_reg): /soc/pin-controller/usart3 at 0: node has a unit name, but no reg property
> Warning (unit_address_vs_reg): /soc/pin-controller/usbotg_fs at 0: node has a unit name, but no reg property
> Warning (unit_address_vs_reg): /soc/pin-controller/usbotg_fs at 1: node has a unit name, but no reg property
> Warning (unit_address_vs_reg): /soc/pin-controller/usbotg_hs at 0: node has a unit name, but no reg property
> Warning (unit_address_vs_reg): /soc/pin-controller/mii at 0: node has a unit name, but no reg property
> Warning (unit_address_vs_reg): /soc/pin-controller/adc at 200: node has a unit name, but no reg property
> Warning (unit_address_vs_reg): /soc/pin-controller/pwm at 1: node has a unit name, but no reg property
> Warning (unit_address_vs_reg): /soc/pin-controller/pwm at 3: node has a unit name, but no reg property
> Warning (unit_address_vs_reg): /soc/pin-controller/i2c1 at 0: node has a unit name, but no reg property
> Warning (unit_address_vs_reg): /soc/pin-controller/ltdc at 0: node has a unit name, but no reg property
> Warning (unit_address_vs_reg): /soc/pin-controller/dcmi at 0: node has a unit name, but no reg property
> Warning (unit_address_vs_reg): /soc/pin-controller/sdio_pins at 0: node has a unit name, but no reg property
> Warning (unit_address_vs_reg): /soc/pin-controller/sdio_pins_od at 0: node has a unit name, but no reg property
> Warning (unit_address_vs_reg): /gpio_keys/button at 0: node has a unit name, but no reg property
> Warning (avoid_unnecessary_addr_size): /gpio_keys: unnecessary #address-cells/#size-cells without "ranges" or child "reg" property
> 
> Signed-off-by: Patrice Chotard <patrice.chotard at st.com>


Same remarks than fot other patches of this series

thx
Alex


> ---
>   arch/arm/boot/dts/stm32429i-eval.dts     | 11 +++--
>   arch/arm/boot/dts/stm32f4-pinctrl.dtsi   | 30 ++++++-------
>   arch/arm/boot/dts/stm32f429-disco.dts    |  7 ++-
>   arch/arm/boot/dts/stm32f429-pinctrl.dtsi | 74 +++++++++++++++----------------
>   arch/arm/boot/dts/stm32f429.dtsi         |  8 ++--
>   arch/arm/boot/dts/stm32f469-disco.dts    | 11 +++--
>   arch/arm/boot/dts/stm32f469-pinctrl.dtsi | 76 +++++++++++++++-----------------
>   7 files changed, 102 insertions(+), 115 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/stm32429i-eval.dts b/arch/arm/boot/dts/stm32429i-eval.dts
> index 7eb786a2d624..b5af6feb95a4 100644
> --- a/arch/arm/boot/dts/stm32429i-eval.dts
> +++ b/arch/arm/boot/dts/stm32429i-eval.dts
> @@ -60,7 +60,7 @@
>   		stdout-path = "serial0:115200n8";
>   	};
>   
> -	memory {
> +	memory at 0 {
>   		reg = <0x00000000 0x2000000>;
>   	};
>   
> @@ -111,17 +111,16 @@
>   		};
>   	};
>   
> -	gpio_keys {
> +	gpio-keys {
>   		compatible = "gpio-keys";
> -		#address-cells = <1>;
>   		#size-cells = <0>;
>   		autorepeat;
> -		button at 0 {
> +		button0 {
>   			label = "Wake up";
>   			linux,code = <KEY_WAKEUP>;
>   			gpios = <&gpioa 0 0>;
>   		};
> -		button at 1 {
> +		button1 {
>   			label = "Tamper";
>   			linux,code = <KEY_RESTART>;
>   			gpios = <&gpioc 13 0>;
> @@ -145,7 +144,7 @@
>   		};
>   	};
>   
> -	mmc_vcard: mmc_vcard {
> +	mmc_vcard: mmc-vcard {
>   		compatible = "regulator-fixed";
>   		regulator-name = "mmc_vcard";
>   		regulator-min-microvolt = <3300000>;
> diff --git a/arch/arm/boot/dts/stm32f4-pinctrl.dtsi b/arch/arm/boot/dts/stm32f4-pinctrl.dtsi
> index 35202896c093..73061fee60f6 100644
> --- a/arch/arm/boot/dts/stm32f4-pinctrl.dtsi
> +++ b/arch/arm/boot/dts/stm32f4-pinctrl.dtsi
> @@ -45,7 +45,7 @@
>   
>   / {
>   	soc {
> -		pinctrl: pin-controller {
> +		pinctrl: pin-controller at 40020000 {
>   			#address-cells = <1>;
>   			#size-cells = <1>;
>   			ranges = <0 0x40020000 0x3000>;
> @@ -163,7 +163,7 @@
>   				st,bank-name = "GPIOK";
>   			};
>   
> -			usart1_pins_a: usart1 at 0 {
> +			usart1_pins_a: usart1 {
>   				pins1 {
>   					pinmux = <STM32_PINMUX('A', 9, AF7)>; /* USART1_TX */
>   					bias-disable;
> @@ -176,7 +176,7 @@
>   				};
>   			};
>   
> -			usart3_pins_a: usart3 at 0 {
> +			usart3_pins_a: usart3 {
>   				pins1 {
>   					pinmux = <STM32_PINMUX('B', 10, AF7)>; /* USART3_TX */
>   					bias-disable;
> @@ -189,7 +189,7 @@
>   				};
>   			};
>   
> -			usbotg_fs_pins_a: usbotg_fs at 0 {
> +			usbotg_fs_pins_a: usbotg-fs-a {
>   				pins {
>   					pinmux = <STM32_PINMUX('A', 10, AF10)>, /* OTG_FS_ID */
>   						 <STM32_PINMUX('A', 11, AF10)>, /* OTG_FS_DM */
> @@ -200,7 +200,7 @@
>   				};
>   			};
>   
> -			usbotg_fs_pins_b: usbotg_fs at 1 {
> +			usbotg_fs_pins_b: usbotg-fs-b {
>   				pins {
>   					pinmux = <STM32_PINMUX('B', 12, AF12)>, /* OTG_HS_ID */
>   						 <STM32_PINMUX('B', 14, AF12)>, /* OTG_HS_DM */
> @@ -211,7 +211,7 @@
>   				};
>   			};
>   
> -			usbotg_hs_pins_a: usbotg_hs at 0 {
> +			usbotg_hs_pins_a: usbotg-hs {
>   				pins {
>   					pinmux = <STM32_PINMUX('H', 4, AF10)>, /* OTG_HS_ULPI_NXT*/
>   						 <STM32_PINMUX('I', 11, AF10)>, /* OTG_HS_ULPI_DIR */
> @@ -231,7 +231,7 @@
>   				};
>   			};
>   
> -			ethernet_mii: mii at 0 {
> +			ethernet_mii: mii {
>   				pins {
>   					pinmux = <STM32_PINMUX('G', 13, AF11)>, /* ETH_MII_TXD0_ETH_RMII_TXD0 */
>   						 <STM32_PINMUX('G', 14, AF11)>, /* ETH_MII_TXD1_ETH_RMII_TXD1 */
> @@ -251,13 +251,13 @@
>   				};
>   			};
>   
> -			adc3_in8_pin: adc at 200 {
> +			adc3_in8_pin: adc {
>   				pins {
>   					pinmux = <STM32_PINMUX('F', 10, ANALOG)>;
>   				};
>   			};
>   
> -			pwm1_pins: pwm at 1 {
> +			pwm1_pins: pwm1 {
>   				pins {
>   					pinmux = <STM32_PINMUX('A', 8, AF1)>, /* TIM1_CH1 */
>   						 <STM32_PINMUX('B', 13, AF1)>, /* TIM1_CH1N */
> @@ -265,14 +265,14 @@
>   				};
>   			};
>   
> -			pwm3_pins: pwm at 3 {
> +			pwm3_pins: pwm3 {
>   				pins {
>   					pinmux = <STM32_PINMUX('B', 4, AF2)>, /* TIM3_CH1 */
>   						 <STM32_PINMUX('B', 5, AF2)>; /* TIM3_CH2 */
>   				};
>   			};
>   
> -			i2c1_pins: i2c1 at 0 {
> +			i2c1_pins: i2c1 {
>   				pins {
>   					pinmux = <STM32_PINMUX('B', 9, AF4)>, /* I2C1_SDA */
>   						 <STM32_PINMUX('B', 6, AF4)>; /* I2C1_SCL */
> @@ -282,7 +282,7 @@
>   				};
>   			};
>   
> -			ltdc_pins: ltdc at 0 {
> +			ltdc_pins: ltdc {
>   				pins {
>   					pinmux = <STM32_PINMUX('I', 12, AF14)>, /* LCD_HSYNC */
>   						 <STM32_PINMUX('I', 13, AF14)>, /* LCD_VSYNC */
> @@ -316,7 +316,7 @@
>   				};
>   			};
>   
> -			dcmi_pins: dcmi at 0 {
> +			dcmi_pins: dcmi {
>   				pins {
>   					pinmux = <STM32_PINMUX('A', 4, AF13)>, /* DCMI_HSYNC */
>   						 <STM32_PINMUX('B', 7, AF13)>, /* DCMI_VSYNC */
> @@ -339,7 +339,7 @@
>   				};
>   			};
>   
> -			sdio_pins: sdio_pins at 0 {
> +			sdio_pins: sdio-pins {
>   				pins {
>   					pinmux = <STM32_PINMUX('C', 8, AF12)>, /* SDIO_D0 */
>   						 <STM32_PINMUX('C', 9, AF12)>, /* SDIO_D1 */
> @@ -352,7 +352,7 @@
>   				};
>   			};
>   
> -			sdio_pins_od: sdio_pins_od at 0 {
> +			sdio_pins_od: sdio-pins-od {
>   				pins1 {
>   					pinmux = <STM32_PINMUX('C', 8, AF12)>, /* SDIO_D0 */
>   						 <STM32_PINMUX('C', 9, AF12)>, /* SDIO_D1 */
> diff --git a/arch/arm/boot/dts/stm32f429-disco.dts b/arch/arm/boot/dts/stm32f429-disco.dts
> index 5ceb2cf3777f..93baee7b5f61 100644
> --- a/arch/arm/boot/dts/stm32f429-disco.dts
> +++ b/arch/arm/boot/dts/stm32f429-disco.dts
> @@ -59,7 +59,7 @@
>   		stdout-path = "serial0:115200n8";
>   	};
>   
> -	memory {
> +	memory at 90000000 {
>   		reg = <0x90000000 0x800000>;
>   	};
>   
> @@ -78,12 +78,11 @@
>   		};
>   	};
>   
> -	gpio_keys {
> +	gpio-keys {
>   		compatible = "gpio-keys";
> -		#address-cells = <1>;
>   		#size-cells = <0>;
>   		autorepeat;
> -		button at 0 {
> +		button {
>   			label = "User";
>   			linux,code = <KEY_HOME>;
>   			gpios = <&gpioa 0 0>;
> diff --git a/arch/arm/boot/dts/stm32f429-pinctrl.dtsi b/arch/arm/boot/dts/stm32f429-pinctrl.dtsi
> index 3e7a17d9112e..426e4ab64e1b 100644
> --- a/arch/arm/boot/dts/stm32f429-pinctrl.dtsi
> +++ b/arch/arm/boot/dts/stm32f429-pinctrl.dtsi
> @@ -42,54 +42,50 @@
>   
>   #include "stm32f4-pinctrl.dtsi"
>   
> -/ {
> -	soc {
> -		pinctrl: pin-controller {
> -			compatible = "st,stm32f429-pinctrl";
> +&pinctrl {
> +	compatible = "st,stm32f429-pinctrl";
> +};
>   
> -			gpioa: gpio at 40020000 {
> -				gpio-ranges = <&pinctrl 0 0 16>;
> -			};
> +&gpioa {
> +	gpio-ranges = <&pinctrl 0 0 16>;
> +};
>   
> -			gpiob: gpio at 40020400 {
> -				gpio-ranges = <&pinctrl 0 16 16>;
> -			};
> +&gpiob {
> +	gpio-ranges = <&pinctrl 0 16 16>;
> +};
>   
> -			gpioc: gpio at 40020800 {
> -				gpio-ranges = <&pinctrl 0 32 16>;
> -			};
> +&gpioc {
> +	gpio-ranges = <&pinctrl 0 32 16>;
> +};
>   
> -			gpiod: gpio at 40020c00 {
> -				gpio-ranges = <&pinctrl 0 48 16>;
> -			};
> +&gpiod {
> +	gpio-ranges = <&pinctrl 0 48 16>;
> +};
>   
> -			gpioe: gpio at 40021000 {
> -				gpio-ranges = <&pinctrl 0 64 16>;
> -			};
> +&gpioe {
> +	gpio-ranges = <&pinctrl 0 64 16>;
> +};
>   
> -			gpiof: gpio at 40021400 {
> -				gpio-ranges = <&pinctrl 0 80 16>;
> -			};
> +&gpiof {
> +	gpio-ranges = <&pinctrl 0 80 16>;
> +};
>   
> -			gpiog: gpio at 40021800 {
> -				gpio-ranges = <&pinctrl 0 96 16>;
> -			};
> +&gpiog {
> +	gpio-ranges = <&pinctrl 0 96 16>;
> +};
>   
> -			gpioh: gpio at 40021c00 {
> -				gpio-ranges = <&pinctrl 0 112 16>;
> -			};
> +&gpioh {
> +	gpio-ranges = <&pinctrl 0 112 16>;
> +};
>   
> -			gpioi: gpio at 40022000 {
> -				gpio-ranges = <&pinctrl 0 128 16>;
> -			};
> +&gpioi {
> +	gpio-ranges = <&pinctrl 0 128 16>;
> +};
>   
> -			gpioj: gpio at 40022400 {
> -				gpio-ranges = <&pinctrl 0 144 16>;
> -			};
> +&gpioj {
> +	gpio-ranges = <&pinctrl 0 144 16>;
> +};
>   
> -			gpiok: gpio at 40022800 {
> -				gpio-ranges = <&pinctrl 0 160 8>;
> -			};
> -		};
> -	};
> +&gpiok {
> +	gpio-ranges = <&pinctrl 0 160 8>;
>   };
> diff --git a/arch/arm/boot/dts/stm32f429.dtsi b/arch/arm/boot/dts/stm32f429.dtsi
> index 64278e81bc08..d6f736024422 100644
> --- a/arch/arm/boot/dts/stm32f429.dtsi
> +++ b/arch/arm/boot/dts/stm32f429.dtsi
> @@ -45,12 +45,14 @@
>    *     OTHER DEALINGS IN THE SOFTWARE.
>    */
>   
> -#include "skeleton.dtsi"
>   #include "armv7-m.dtsi"
>   #include <dt-bindings/clock/stm32fx-clock.h>
>   #include <dt-bindings/mfd/stm32f4-rcc.h>
>   
>   / {
> +	#address-cells = <1>;
> +	#size-cells = <1>;
> +
>   	clocks {
>   		clk_hse: clk-hse {
>   			#clock-cells = <0>;
> @@ -263,7 +265,6 @@
>   		};
>   
>   		timers13: timers at 40001c00 {
> -			#address-cells = <1>;
>   			#size-cells = <0>;
>   			compatible = "st,stm32-timers";
>   			reg = <0x40001C00 0x400>;
> @@ -278,7 +279,6 @@
>   		};
>   
>   		timers14: timers at 40002000 {
> -			#address-cells = <1>;
>   			#size-cells = <0>;
>   			compatible = "st,stm32-timers";
>   			reg = <0x40002000 0x400>;
> @@ -557,7 +557,6 @@
>   		};
>   
>   		timers10: timers at 40014400 {
> -			#address-cells = <1>;
>   			#size-cells = <0>;
>   			compatible = "st,stm32-timers";
>   			reg = <0x40014400 0x400>;
> @@ -572,7 +571,6 @@
>   		};
>   
>   		timers11: timers at 40014800 {
> -			#address-cells = <1>;
>   			#size-cells = <0>;
>   			compatible = "st,stm32-timers";
>   			reg = <0x40014800 0x400>;
> diff --git a/arch/arm/boot/dts/stm32f469-disco.dts b/arch/arm/boot/dts/stm32f469-disco.dts
> index 3ee768cb86fc..44f092307de3 100644
> --- a/arch/arm/boot/dts/stm32f469-disco.dts
> +++ b/arch/arm/boot/dts/stm32f469-disco.dts
> @@ -60,7 +60,7 @@
>   		stdout-path = "serial0:115200n8";
>   	};
>   
> -	memory {
> +	memory at 0 {
>   		reg = <0x00000000 0x1000000>;
>   	};
>   
> @@ -68,7 +68,7 @@
>   		serial0 = &usart3;
>   	};
>   
> -	mmc_vcard: mmc_vcard {
> +	mmc_vcard: mmc-vcard {
>   		compatible = "regulator-fixed";
>   		regulator-name = "mmc_vcard";
>   		regulator-min-microvolt = <3300000>;
> @@ -96,12 +96,11 @@
>   		};
>   	};
>   
> -	gpio_keys {
> +	gpio-keys {
>   		compatible = "gpio-keys";
> -		#address-cells = <1>;
>   		#size-cells = <0>;
>   		autorepeat;
> -		button at 0 {
> +		button {
>   			label = "User";
>   			linux,code = <KEY_WAKEUP>;
>   			gpios = <&gpioa 0 GPIO_ACTIVE_HIGH>;
> @@ -169,7 +168,7 @@
>   	status = "okay";
>   
>   	port {
> -		ltdc_out_dsi: endpoint at 0 {
> +		ltdc_out_dsi: endpoint {
>   			remote-endpoint = <&dsi_in>;
>   		};
>   	};
> diff --git a/arch/arm/boot/dts/stm32f469-pinctrl.dtsi b/arch/arm/boot/dts/stm32f469-pinctrl.dtsi
> index fff542662eea..2e7718a919a3 100644
> --- a/arch/arm/boot/dts/stm32f469-pinctrl.dtsi
> +++ b/arch/arm/boot/dts/stm32f469-pinctrl.dtsi
> @@ -42,55 +42,51 @@
>   
>   #include "stm32f4-pinctrl.dtsi"
>   
> -/ {
> -	soc {
> -		pinctrl: pin-controller {
> -			compatible = "st,stm32f469-pinctrl";
> +&pinctrl {
> +	compatible = "st,stm32f469-pinctrl";
> +};
>   
> -			gpioa: gpio at 40020000 {
> -				gpio-ranges = <&pinctrl 0 0 16>;
> -			};
> +&gpioa {
> +	gpio-ranges = <&pinctrl 0 0 16>;
> +};
>   
> -			gpiob: gpio at 40020400 {
> -				gpio-ranges = <&pinctrl 0 16 16>;
> -			};
> +&gpiob {
> +	gpio-ranges = <&pinctrl 0 16 16>;
> +};
>   
> -			gpioc: gpio at 40020800 {
> -				gpio-ranges = <&pinctrl 0 32 16>;
> -			};
> +&gpioc {
> +	gpio-ranges = <&pinctrl 0 32 16>;
> +};
>   
> -			gpiod: gpio at 40020c00 {
> -				gpio-ranges = <&pinctrl 0 48 16>;
> -			};
> +&gpiod {
> +	gpio-ranges = <&pinctrl 0 48 16>;
> +};
>   
> -			gpioe: gpio at 40021000 {
> -				gpio-ranges = <&pinctrl 0 64 16>;
> -			};
> +&gpioe {
> +	gpio-ranges = <&pinctrl 0 64 16>;
> +};
>   
> -			gpiof: gpio at 40021400 {
> -				gpio-ranges = <&pinctrl 0 80 16>;
> -			};
> +&gpiof {
> +	gpio-ranges = <&pinctrl 0 80 16>;
> +};
>   
> -			gpiog: gpio at 40021800 {
> -				gpio-ranges = <&pinctrl 0 96 16>;
> -			};
> +&gpiog {
> +	gpio-ranges = <&pinctrl 0 96 16>;
> +};
>   
> -			gpioh: gpio at 40021c00 {
> -				gpio-ranges = <&pinctrl 0 112 16>;
> -			};
> +&gpioh {
> +	gpio-ranges = <&pinctrl 0 112 16>;
> +};
>   
> -			gpioi: gpio at 40022000 {
> -				gpio-ranges = <&pinctrl 0 128 16>;
> -			};
> +&gpioi {
> +	gpio-ranges = <&pinctrl 0 128 16>;
> +};
>   
> -			gpioj: gpio at 40022400 {
> -				gpio-ranges = <&pinctrl 0 144 6>,
> -					      <&pinctrl 12 156 4>;
> -			};
> +&gpioj {
> +	gpio-ranges = <&pinctrl 0 144 6>,
> +		      <&pinctrl 12 156 4>;
> +};
>   
> -			gpiok: gpio at 40022800 {
> -				gpio-ranges = <&pinctrl 3 163 5>;
> -			};
> -		};
> -	};
> +&gpiok {
> +	gpio-ranges = <&pinctrl 3 163 5>;
>   };
> 



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