Commit b1bbf389 authored Mar 02, 2026 by Chen-Yu Tsai

arm64: dts: allwinner: sun55i-a523: Add pinmux for spi0 on PJ pins



The Avaota A1 board uses spi0 on the PJ pins to connect a SPI NAND
chip.

Add the full set of pins. Even though this board doesn't use CS1, other
boards may do so in the future.

Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://patch.msgid.link/20260302153559.3199783-3-wens@kernel.org


Signed-off-by: Chen-Yu Tsai <wens@kernel.org>

parent cc68a8a3

arch/arm64/boot/dts/allwinner/sun55i-a523.dtsi

+35 −0

Original line number	Diff line number	Diff line
		@@ -228,6 +228,13 @@ spi0_pc_pins: spi0-pc-pins {
		allwinner,pinmux = <4>;
		};

		/omit-if-no-ref/
		spi0_pj_pins: spi0-pj-pins {
		pins = "PJ21", "PJ22", "PJ23";
		function = "spi0";
		allwinner,pinmux = <5>;
		};

		/omit-if-no-ref/
		spi0_cs0_pc_pin: spi0-cs0-pc-pin {
		pins = "PC3";
		@@ -235,6 +242,13 @@ spi0_cs0_pc_pin: spi0-cs0-pc-pin {
		allwinner,pinmux = <4>;
		};

		/omit-if-no-ref/
		spi0_cs0_pj_pin: spi0-cs0-pj-pin {
		pins = "PJ20";
		function = "spi0";
		allwinner,pinmux = <5>;
		};

		/omit-if-no-ref/
		spi0_cs1_pc_pin: spi0-cs1-pc-pin {
		pins = "PC7";
		@@ -242,6 +256,13 @@ spi0_cs1_pc_pin: spi0-cs1-pc-pin {
		allwinner,pinmux = <4>;
		};

		/omit-if-no-ref/
		spi0_cs1_pj_pin: spi0-cs1-pj-pin {
		pins = "PJ24";
		function = "spi0";
		allwinner,pinmux = <5>;
		};

		/omit-if-no-ref/
		spi0_hold_pc_pin: spi0-hold-pc-pin {
		/* conflicts with eMMC D7 */
		@@ -250,6 +271,13 @@ spi0_hold_pc_pin: spi0-hold-pc-pin {
		allwinner,pinmux = <4>;
		};

		/omit-if-no-ref/
		spi0_hold_pj_pin: spi0-hold-pj-pin {
		pins = "PJ26";
		function = "spi0";
		allwinner,pinmux = <5>;
		};

		/omit-if-no-ref/
		spi0_wp_pc_pin: spi0-wp-pc-pin {
		/* conflicts with eMMC D2 */
		@@ -258,6 +286,13 @@ spi0_wp_pc_pin: spi0-wp-pc-pin {
		allwinner,pinmux = <4>;
		};

		/omit-if-no-ref/
		spi0_wp_pj_pin: spi0-wp-pj-pin {
		pins = "PJ25";
		function = "spi0";
		allwinner,pinmux = <5>;
		};

		uart0_pb_pins: uart0-pb-pins {
		pins = "PB9", "PB10";
		allwinner,pinmux = <2>;