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drivers: spi: Change to use software controlled cs in default

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Added support for software controlled cs in Ambiq SPI drivers

Signed-off-by: Hao Luo <hluo@ambiq.com>
This commit is contained in:
Hao Luo 2024-06-26 10:12:46 +08:00 • committed by Anas Nashif
commit 3faaaaba59
9 changed files with 30 additions and 181 deletions
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36
boards/ambiq/apollo3_evb/apollo3_evb-pinctrl.dtsi
View file

@ -69,67 +69,31 @@
group1 {
pinmux = <M0SCK_P5>, <M0MISO_P6>, <M0MOSI_P7>;
};
group2 {
pinmux = <NCE11_P11>;
drive-push-pull;
ambiq,iom-nce-module = <0>;
ambiq,iom-num = <0>;
};
};
spi1_default: spi1_default {
group1 {
pinmux = <M1SCK_P8>, <M1MISO_P9>, <M1MOSI_P10>;
};
group2 {
pinmux = <NCE14_P14>;
drive-push-pull;
ambiq,iom-nce-module = <1>;
ambiq,iom-num = <1>;
};
};
spi2_default: spi2_default {
group1 {
pinmux = <M2SCK_P27>, <M2MISO_P25>, <M2MOSI_P28>;
};
group2 {
pinmux = <NCE15_P15>;
drive-push-pull;
ambiq,iom-nce-module = <3>;
ambiq,iom-num = <2>;
};
};
spi3_default: spi3_default {
group1 {
pinmux = <M3SCK_P42>, <M3MISO_P43>, <M3MOSI_P38>;
};
group2 {
pinmux = <NCE12_P12>;
drive-push-pull;
ambiq,iom-nce-module = <0>;
ambiq,iom-num = <3>;
};
};
spi4_default: spi4_default {
group1 {
pinmux = <M4SCK_P39>, <M4MISO_P40>, <M4MOSI_P44>;
};
group2 {
pinmux = <NCE13_P13>;
drive-push-pull;
ambiq,iom-nce-module = <1>;
ambiq,iom-num = <4>;
};
};
spi5_default: spi5_default {
group1 {
pinmux = <M5SCK_P48>, <M5MISO_P49>, <M5MOSI_P47>;
};
group2 {
pinmux = <NCE16_P16>;
drive-push-pull;
ambiq,iom-nce-module = <0>;
ambiq,iom-num = <5>;
};
};
mspi0_default: mspi0_default{

1
boards/ambiq/apollo3_evb/apollo3_evb.dts
View file

@ -106,6 +106,7 @@
compatible = "ambiq,spi";
pinctrl-0 = <&spi0_default>;
pinctrl-names = "default";
cs-gpios = <&gpio0_31 11 GPIO_ACTIVE_LOW>;
clock-frequency = <DT_FREQ_M(1)>;
status = "okay";
};

42
boards/ambiq/apollo3p_evb/apollo3p_evb-pinctrl.dtsi
View file

@ -69,73 +69,31 @@
group1 {
pinmux = <M0SCK_P5>, <M0MISO_P6>, <M0MOSI_P7>;
};
group2 {
pinmux = <NCE11_P11>;
drive-push-pull;
ambiq,iom-mspi = <1>;
ambiq,iom-nce-module = <0>;
ambiq,iom-num = <0>;
};
};
spi1_default: spi1_default {
group1 {
pinmux = <M1SCK_P8>, <M1MISO_P9>, <M1MOSI_P10>;
};
group2 {
pinmux = <NCE34_P34>;
drive-push-pull;
ambiq,iom-mspi = <1>;
ambiq,iom-nce-module = <1>;
ambiq,iom-num = <1>;
};
};
spi2_default: spi2_default {
group1 {
pinmux = <M2SCK_P27>, <M2MISO_P25>, <M2MOSI_P28>;
};
group2 {
pinmux = <NCE15_P15>;
drive-push-pull;
ambiq,iom-mspi = <1>;
ambiq,iom-nce-module = <3>;
ambiq,iom-num = <2>;
};
};
spi3_default: spi3_default {
group1 {
pinmux = <M3SCK_P42>, <M3MISO_P43>, <M3MOSI_P38>;
};
group2 {
pinmux = <NCE29_P29>;
drive-push-pull;
ambiq,iom-mspi = <1>;
ambiq,iom-nce-module = <0>;
ambiq,iom-num = <3>;
};
};
spi4_default: spi4_default {
group1 {
pinmux = <M4SCK_P39>, <M4MISO_P40>, <M4MOSI_P44>;
};
group2 {
pinmux = <NCE13_P13>;
drive-push-pull;
ambiq,iom-mspi = <1>;
ambiq,iom-nce-module = <1>;
ambiq,iom-num = <4>;
};
};
spi5_default: spi5_default {
group1 {
pinmux = <M5SCK_P48>, <M5MISO_P49>, <M5MOSI_P47>;
};
group2 {
pinmux = <NCE16_P16>;
drive-push-pull;
ambiq,iom-mspi = <1>;
ambiq,iom-nce-module = <0>;
ambiq,iom-num = <5>;
};
};
mspi0_default: mspi0_default{

1
boards/ambiq/apollo3p_evb/apollo3p_evb.dts
View file

@ -106,6 +106,7 @@
compatible = "ambiq,spi";
pinctrl-0 = <&spi0_default>;
pinctrl-names = "default";
cs-gpios = <&gpio0_31 11 GPIO_ACTIVE_LOW>;
clock-frequency = <DT_FREQ_M(1)>;
status = "okay";
};

40
boards/ambiq/apollo4p_blue_kxr_evb/apollo4p_blue_kxr_evb-pinctrl.dtsi
View file

@ -77,81 +77,41 @@
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>;
};
};
mspi0_default: mspi0_default{
group1 {

1
boards/ambiq/apollo4p_blue_kxr_evb/apollo4p_blue_kxr_evb.dts
View file

@ -83,6 +83,7 @@
compatible = "ambiq,spi";
pinctrl-0 = <&spi1_default>;
pinctrl-names = "default";
cs-gpios = <&gpio0_31 11 GPIO_ACTIVE_LOW>;
clock-frequency = <DT_FREQ_M(1)>;
status = "okay";
};

41
boards/ambiq/apollo4p_evb/apollo4p_evb-pinctrl.dtsi
View file

@ -86,82 +86,41 @@
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-strength = "0.5";
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 = <NCE79_P79>;
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>;
};
};
mspi0_default: mspi0_default{
group1 {

1
boards/ambiq/apollo4p_evb/apollo4p_evb.dts
View file

@ -82,6 +82,7 @@
compatible = "ambiq,spi";
pinctrl-0 = <&spi1_default>;
pinctrl-names = "default";
cs-gpios = <&gpio0_31 11 GPIO_ACTIVE_LOW>;
clock-frequency = <1000000>;
status = "okay";
};