Add descriptive names so users can associate specific lines with their respective pins on the 40-pin header according to the schematics found at: http://dl.linux-sunxi.org/D1/D1_Nezha_development_board_schematic_diagram_20210224.pdf Signed-off-by: Trevor Woerner <twoerner@xxxxxxxxx> --- .../boot/dts/allwinner/sun20i-d1-nezha.dts | 53 +++++++++++++++++++ 1 file changed, 53 insertions(+) diff --git a/arch/riscv/boot/dts/allwinner/sun20i-d1-nezha.dts b/arch/riscv/boot/dts/allwinner/sun20i-d1-nezha.dts index a0769185be97..33489c7619cb 100644 --- a/arch/riscv/boot/dts/allwinner/sun20i-d1-nezha.dts +++ b/arch/riscv/boot/dts/allwinner/sun20i-d1-nezha.dts @@ -90,6 +90,15 @@ pcf8574a: gpio@38 { gpio-controller; #gpio-cells = <2>; #interrupt-cells = <2>; + gpio-line-names = + "pin13 [PP0,gpio8] ", + "pin16 [PP1,gpio10]", + "pin18 [PP2,gpio11]", + "pin26 [PP3,gpio17]", + "pin22 [PP4,gpio14]", + "pin28 [PP5,gpio19]", + "pin37 [PP6,gpio23]", + "pin11 [PP7,gpio6] "; }; }; @@ -164,3 +173,47 @@ &usbphy { usb1_vbus-supply = <®_vcc>; status = "okay"; }; + +&pio { + gpio-line-names = + /* Port A */ + "", "", "", "", "", "", "", "", + "", "", "", "", "", "", "", "", + "", "", "", "", "", "", "", "", + "", "", "", "", "", "", "", "", + /* Port B */ + "pin5 [PB0, gpio2/twi2-sck]", + "pin3 [PB1, gpio1/twi2-sda]", + "", + "pin38 [PB3, gpio24/i2s2-din]", + "pin40 [PB4, gpio25/i2s2-dout]", + "pin12 [PB5, gpio7/i2s-clk]", + "pin35 [PB6, gpio22/i2s2-lrck]", + "", + "pin8 [PB8, gpio4/uart0-txd]", + "pin10 [PB9, gpio5/uart0-rxd]", + "", + "", + "pin15 [PB12,gpio9]", + "", "", "", "", + "", "", "", "", "", "", "", "", + "", "", "", "", "", "", "", "", + /* Port C */ + "", + "pin31 [PC1, gpio21]", + "", "", "", "", "", "", + "", "", "", "", "", "", "", "", + "", "", "", "", "", "", "", "", + "", "", "", "", "", "", "", "", + /* Port D */ + "", "", "", "", "", "", "", "", + "", "", + "pin24 [PD10,gpio16/spi1-ce0]", + "pin23 [PD11,gpio15/spi1-clk]", + "pin19 [PD12,gpio12/spi1-mosi]", + "pin21 [PD13,gpio13/spi1-miso]", + "pin27 [PD14,gpio18/spi1-hold]", + "pin29 [PD15,gpio20/spi1-wp]", + "", "", "", "", "", "", + "pin7 [PD22,gpio3/pwm]"; +}; -- 2.36.0.rc2.17.g4027e30c53
