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boards: arm: apollo4p_blue_kxr_evb: Enable SPI.

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This commit enables SPI instance for apollo4p_blue_kxr_evb board.
Also adds pin configuration for each instance.

Signed-off-by: Aaron Ye <aye@ambiq.com>
This commit is contained in:
Aaron Ye 2023-09-25 12:12:36 +08:00 • committed by Maureen Helm
commit d91ef40a7e
2 changed files with 89 additions and 0 deletions
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81
boards/arm/apollo4p_blue_kxr_evb/apollo4p_blue_kxr_evb-pinctrl.dtsi
View file

@ -72,4 +72,85 @@
bias-pull-up;
};
};
spi0_default: spi0_default {
group1 {
pinmux = <M0SCK_P5>, <M0MISO_P7>, <M0MOSI_P6>;
};
group2 {
pinmux = <NCE72_P72>;
drive-push-pull;
ambiq,iom-nce-module = <0>;
};
};
spi1_default: spi1_default {
group1 {
pinmux = <M1SCK_P8>, <M1MISO_P10>, <M1MOSI_P9>;
};
group2 {
pinmux = <NCE11_P11>;
drive-push-pull;
ambiq,iom-nce-module = <4>;
};
};
spi2_default: spi2_default {
group1 {
pinmux = <M2SCK_P25>, <M2MISO_P27>, <M2MOSI_P26>;
};
group2 {
pinmux = <NCE37_P37>;
drive-push-pull;
ambiq,iom-nce-module = <8>;
};
};
spi3_default: spi3_default {
group1 {
pinmux = <M3SCK_P31>, <M3MISO_P33>, <M3MOSI_P32>;
};
group2 {
pinmux = <NCE85_P85>;
drive-push-pull;
ambiq,iom-nce-module = <12>;
};
};
spi4_default: spi4_default {
group1 {
pinmux = <M4SCK_P34>, <M4MISO_P36>, <M4MOSI_P35>;
};
group2 {
pinmux = <NCE54_P54>;
drive-push-pull;
ambiq,iom-nce-module = <16>;
};
};
spi5_default: spi5_default {
group1 {
pinmux = <M5SCK_P47>, <M5MISO_P49>, <M5MOSI_P48>;
};
group2 {
pinmux = <NCE60_P60>;
drive-push-pull;
ambiq,iom-nce-module = <20>;
};
};
spi6_default: spi6_default {
group1 {
pinmux = <M6SCK_P61>, <M6MISO_P63>, <M6MOSI_P62>;
};
group2 {
pinmux = <NCE30_P30>;
drive-push-pull;
ambiq,iom-nce-module = <24>;
};
};
spi7_default: spi7_default {
group1 {
pinmux = <M7SCK_P22>, <M7MISO_P24>, <M7MOSI_P23>;
};
group2 {
pinmux = <NCE88_P88>;
drive-push-pull;
ambiq,iom-nce-module = <28>;
};
};
};

8
boards/arm/apollo4p_blue_kxr_evb/apollo4p_blue_kxr_evb.dts
View file

@ -42,3 +42,11 @@
clock-frequency = <I2C_BITRATE_STANDARD>;
status = "okay";
};
&iom1 {
compatible = "ambiq,spi";
pinctrl-0 = <&spi1_default>;
pinctrl-names = "default";
clock-frequency = <1000000>;
status = "okay";
};