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super epic SPI

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This commit is contained in:
Ben Kyd
2023-06-02 21:27:52 +01:00
parent 5f5dc5be2b
commit 2e07a22f41
8 changed files with 209558 additions and 32 deletions
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63
boards/nrf52840dk_nrf52840.overlay Normal file
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&pinctrl {
spi_master_default: spi_master_default {
group1 {
psels = <NRF_PSEL(SPIM_SCK, 0, 31)>,
<NRF_PSEL(SPIM_MOSI, 0, 30)>,
<NRF_PSEL(SPIM_MISO, 0, 29)>;
};
};
spi_master_sleep: spi_master_sleep {
group1 {
psels = <NRF_PSEL(SPIM_SCK, 0, 31)>,
<NRF_PSEL(SPIM_MOSI, 0, 30)>,
<NRF_PSEL(SPIM_MISO, 0, 29)>;
low-power-enable;
};
};
spi_slave_default: spi_slave_default {
group1 {
psels = <NRF_PSEL(SPIS_SCK, 1, 1)>,
<NRF_PSEL(SPIS_MOSI, 1, 2)>,
<NRF_PSEL(SPIS_MISO, 1, 3)>,
<NRF_PSEL(SPIS_CSN, 1, 4)>;
};
};
spi_slave_sleep: spi_slave_sleep {
group1 {
psels = <NRF_PSEL(SPIS_SCK, 1, 1)>,
<NRF_PSEL(SPIS_MOSI, 1, 2)>,
<NRF_PSEL(SPIS_MISO, 1, 3)>,
<NRF_PSEL(SPIS_CSN, 1, 4)>;
low-power-enable;
};
};
};
my_spi_master: &spi3 {
compatible = "nordic,nrf-spim";
status = "okay";
pinctrl-0 = <&spi_master_default>;
pinctrl-1 = <&spi_master_sleep>;
pinctrl-names = "default", "sleep";
cs-gpios = <&gpio0 28 GPIO_ACTIVE_LOW>;
reg_my_spi_master: spi-dev-a@0 {
reg = <0>;
};
};
my_spi_slave: &spi1 {
compatible = "nordic,nrf-spis";
status = "okay";
pinctrl-0 = <&spi_slave_default>;
pinctrl-1 = <&spi_slave_sleep>;
pinctrl-names = "default", "sleep";
def-char = <0x00>;
};
// By default uart1 will occupy P1.01 and P1.02. In order to make these pins available, disable uart1
&uart1 {
status="disabled";
};