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Пробовал просмотреть, где используется chipselect 0 - не нашел по device tree его упоминаний.
$ insmod gc9a01_module.ko spi_bus_index=1
[ 267.398716] sun6i-spi 1c69000.spi: chipselect 0 already in use
[ 267.404568] FAILED to create spi_device_master.
[ 267.409113] Failed to initialize display. SPI module initialization failed
[ 267.415988] Display initizization error
[ 272.502329] sun6i-spi 1c69000.spi: chipselect 0 already in use
[ 272.508198] FAILED to create spi_device_master.
[ 272.512725] Failed to initialize display. SPI module initialization failed
[ 272.519614] Display initizization error
insmod: can't insert 'gc9a01_module.ko': Operation not permitted
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sunxi-h3-h5.dtsi:
&spi0 {
/* Disable SPI NOR by default: it optional on Orange Pi Zero boards */
status = "disabled";
flash@0 {
#address-cells = <1>;
#size-cells = <1>;
compatible = "mxicy,mx25l1606e", "winbond,w25q128";
reg = <0>;
spi-max-frequency = <40000000>;
};
};
spi1: spi@1c69000 {
compatible = "allwinner,sun8i-h3-spi";
reg = <0x01c69000 0x1000>;
interrupts = <GIC_SPI 66 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&ccu CLK_BUS_SPI1>, <&ccu CLK_SPI1>;
clock-names = "ahb", "mod";
dmas = <&dma 24>, <&dma 24>;
dma-names = "rx", "tx";
pinctrl-names = "default";
pinctrl-0 = <&spi1_pins>;
resets = <&ccu RST_BUS_SPI1>;
status = "disabled";
#address-cells = <1>;
#size-cells = <0>;
};
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