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feat: add spi1 to rock2 #374

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956b38a
feat: add spi1 to rock2
nascs Oct 24, 2024
812b0d1
Apply suggestions from code review
nascs Oct 25, 2024
01a912b
fix: fix the file name
nascs Oct 25, 2024
e56e737
fix: delete num-cs property
nascs Oct 25, 2024
bdd0106
feat: add enc28j60 common file
nascs Oct 25, 2024
b1cf9c3
feat: port enc28j60 to rk3528
nascs Oct 25, 2024
5bdb9b3
feat: add mcp2515 common file
nascs Oct 25, 2024
a3dfe7e
feat: port mcp2515 to rk3528
nascs Oct 25, 2024
fe6d841
fix: fix enc28j60 of rk3528
nascs Oct 25, 2024
5b993c2
feat: add w5500 common file
nascs Oct 25, 2024
d03187b
feat: port w5500 to rk3528
nascs Oct 25, 2024
1f5c26e
fix: fix spi compilation error
nascs Nov 1, 2024
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1 change: 1 addition & 0 deletions arch/arm64/boot/dts/rockchip/overlays/Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -136,6 +136,7 @@ dtb-$(CONFIG_CLK_RK3528) += \
rk3528-spi0-cs1-enc28j60.dtbo \
rk3528-spi0-cs1-mcp2515.dtbo \
rk3528-spi0-cs1-spidev.dtbo \
rk3528-spi1-cs-gpio.dtbo \
rk3528-uart0-m0.dtbo \
rk3528-uart1-m0.dtbo \
rk3528-uart2-m1.dtbo \
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31 changes: 31 additions & 0 deletions arch/arm64/boot/dts/rockchip/overlays/rk3528-spi1-cs-gpio.dts
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Original file line number Diff line number Diff line change
@@ -0,0 +1,31 @@
/dts-v1/;
/plugin/;
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/pinctrl/rockchip.h>

/ {
metadata {
title = "Enable spidev on SPI1 over PIN_26";
compatible = "radxa,rock-2a", "radxa,rock-2f", "radxa,medge-rk3528a-io";
category = "misc";
exclusive = "GPIO1_B6", "GPIO1_B7", "GPIO1_C0", "GPIO4_C1";
description = "Enable spidev on SPI1 over PIN_26.";
};
};

&spi1 {
status = "okay";
#address-cells = <1>;
#size-cells = <0>;
max-freq = <50000000>;
num-cs = <1>;
cs-gpios = <&gpio4 RK_PC1 GPIO_ACTIVE_LOW>;
pinctrl-0 = <&spi1_pins>;

spidev@0 {
compatible = "rockchip,spidev";
status = "okay";
reg = <0>;
spi-max-frequency = <50000000>;
};
};