Re: [PATCH 13/13] kvx: dts: Update k200.dts

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Le Fri, 14 Jan 2022 17:54:56 +0100,
Jules Maselbas <jmaselbas@xxxxxxxxx> a écrit :

> +		apb {
> +			compatible = "simple-bus";
> +			#address-cells = <2>;
> +			#size-cells = <2>;
> +			ranges;
> +
> +			gpio0: gpio@20230000 {
> +				compatible = "snps,dw-apb-gpio";
> +				reg = <0x0 0x20230000 0x0 0x1000>;
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +
> +				gpio0_banka: gpio-controller@0 {
> +					compatible = "snps,dw-apb-gpio-port";
> +					#address-cells = <0>;
> +					gpio-controller;
> +					#gpio-cells = <2>;
> +					snps,nr-gpios = <32>;
> +					snps,has-pinctrl;
> +					reg = <0>;
> +					interrupt-parent = <&itgen_soc_periph0>;
> +					interrupts = <23 IRQ_TYPE_LEVEL_HIGH>;
> +					/* All pins of port A are interrupt capable */
> +					interrupt-controller;
> +					#interrupt-cells = <2>;
> +
> +					uart0_pins: pinmux_uart0_pins {
> +						function = "hw";
> +						pins = "pin0", "pin1";
> +					};
> +					uart1_pins: pinmux_uart1_pins {
> +						function = "hw";
> +						pins = "pin2", "pin3";
> +					};
> +					uart2_pins: pinmux_uart2_pins {
> +						function = "hw";
> +						pins = "pin4", "pin5";
> +					};
> +					can0_pins: pinmux_can0_pins {
> +						function = "hw";
> +						pins = "pin6", "pin7";
> +					};
> +					can1_pins: pinmux_can1_pins {
> +						function = "hw";
> +						pins = "pin8", "pin9";
> +					};
> +					i2c0_pins: pinmux_i2c0_pins {
> +						function = "hw";
> +						pins = "pin10", "pin11";
> +					};
> +					smb1_pins: pinmux_smb1_pins {
> +						function = "hw";
> +						pins = "pin12", "pin13";
> +					};
> +					smb2_pins: pinmux_smb2_pins {
> +						function = "hw";
> +						pins = "pin14", "pin15";
> +					};
> +					qspi0_master_pins:pinmux_qspi0_master_pins {
> +						function = "hw";
> +						pins = "pin18", "pin19", "pin20", "pin21", "pin22", "pin23", "pin24";
> +					};
> +					spi_slave_pins:pinmux_spi_slave_pins {
> +						function = "hw";
> +						pins = "pin25", "pin26", "pin27", "pin28";
> +					};
> +					timer0_pins:pinmux_timer0_pins {
> +						function = "hw";
> +						pins = "pin29";
> +					};
> +					timer1_pins:pinmux_timer1_pins {
> +						function = "hw";
> +						pins = "pin30";
> +					};
> +					timer2_pins:pinmux_timer2_pins {
> +						function = "hw";
> +						pins = "pin31";
> +					};

Hi Jules,

I'm afraid this won't work at all since the upstream
snps,dw-apb-gpio compatible driver does not handle pinctrl yet. The
support for that is in your private tree I guess [1].

Clément

[1]
https://github.com/kalray/barebox/blob/coolidge/drivers/pinctrl/pinctrl-dw.c
> +				};
> +			};
> +
> +			gpio1: gpio@20231000 {
> +				compatible = "snps,dw-apb-gpio";
> +				reg = <0x0 0x20231000 0x0 0x1000>;
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +
> +				gpio1_banka: gpio-controller@0 {
> +					compatible = "snps,dw-apb-gpio-port";
> +					#address-cells = <0>;
> +					gpio-controller;
> +					#gpio-cells = <2>;
> +					snps,nr-gpios = <32>;
> +					snps,has-pinctrl;
> +					reg = <0>;
> +					interrupt-parent = <&itgen_soc_periph0>;
> +					interrupts = <24 IRQ_TYPE_LEVEL_HIGH>;
> +					/* All pins of port A are interrupt capable */
> +					interrupt-controller;
> +					#interrupt-cells = <2>;
> +
> +					uart3_pins: pinmux_uart3_pins {
> +						function = "hw";
> +						pins = "pin0", "pin1";
> +					};
> +					uart4_pins: pinmux_uart4_pins {
> +						function = "hw";
> +						pins = "pin2", "pin3";
> +					};
> +					uart5_pins: pinmux_uart5_pins {
> +						function = "hw";
> +						pins = "pin4", "pin5";
> +					};
> +					can2_pins: pinmux_can2_pins {
> +						function = "hw";
> +						pins = "pin6", "pin7";
> +					};
> +					can3_pins: pinmux_can3_pins {
> +						function = "hw";
> +						pins = "pin8", "pin9";
> +					};
> +					i2c3_pins: pinmux_i2c3_pins {
> +						function = "hw";
> +						pins = "pin10", "pin11";
> +					};
> +					smb4_pins: pinmux_smb4_pins {
> +						function = "hw";
> +						pins = "pin12", "pin13";
> +					};
> +					timer3_pins:pinmux_timer3_pins {
> +						function = "hw";
> +						pins = "pin15";
> +					};
> +					timer4_pins:pinmux_timer4_pins {
> +						function = "hw";
> +						pins = "pin16";
> +					};
> +					timer5_pins:pinmux_timer5_pins {
> +						function = "hw";
> +						pins = "pin17";
> +					};
> +					qspi1_master_pins:pinmux_qspi1_master_pins {
> +						function = "hw";
> +						pins = "pin18", "pin19", "pin20", "pin21", "pin22", "pin23", "pin24";
> +					};
> +					qspi2_master_pins:pinmux_qspi2_master_pins {
> +						function = "hw";
> +						pins = "pin25", "pin26", "pin27", "pin28", "pin29", "pin30", "pin31";
> +					};
> +				};
> +			};
>  		};
>  	};
>  };


-- 
Clément Léger,
Embedded Linux and Kernel engineer at Bootlin
https://bootlin.com

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