On Fri, 13 Nov 2020 at 05:59, Vishwanatha Subbanna
<vishwa@xxxxxxxxxxxxxxxxxx> wrote:
>
> These are LEDs on the cable cards that plug into PCIE slots.
> The LEDs are controlled by PCA9552 I2C expander
>
> Signed-off-by: Vishwanatha Subbanna <vishwa@xxxxxxxxxxxxxxxxxx>
> ---
> arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts | 288 +++++++++++++++++++++++++++
> 1 file changed, 288 insertions(+)
>
> diff --git a/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts b/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
> index 67c8c40..7de5f76 100644
> --- a/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
> +++ b/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
> @@ -696,6 +696,70 @@
> gpios = <&pca4 7 GPIO_ACTIVE_LOW>;
> };
> };
> +
> + leds-optional-cablecard0 {
Is it necessary to have separate nodes for each of the different GPIO devices?
Would it make sense to combine them, or is it better to be separate?
Andrew, Eddie, Brad: please review this one before I merge it.
> + compatible = "gpio-leds";
> +
> + cablecard0-cxp-top {
> + retain-state-shutdown;
> + default-state = "keep";
> + gpios = <&pca5 0 GPIO_ACTIVE_LOW>;
> + };
> +
> + cablecard0-cxp-bot {
> + retain-state-shutdown;
> + default-state = "keep";
> + gpios = <&pca5 1 GPIO_ACTIVE_LOW>;
> + };
> + };
> +
> + leds-optional-cablecard3 {
> + compatible = "gpio-leds";
> +
> + cablecard3-cxp-top {
> + retain-state-shutdown;
> + default-state = "keep";
> + gpios = <&pca6 0 GPIO_ACTIVE_LOW>;
> + };
> +
> + cablecard3-cxp-bot {
> + retain-state-shutdown;
> + default-state = "keep";
> + gpios = <&pca6 1 GPIO_ACTIVE_LOW>;
> + };
> + };
> +
> + leds-optional-cablecard4 {
> + compatible = "gpio-leds";
> +
> + cablecard4-cxp-top {
> + retain-state-shutdown;
> + default-state = "keep";
> + gpios = <&pca7 0 GPIO_ACTIVE_LOW>;
> + };
> +
> + cablecard4-cxp-bot {
> + retain-state-shutdown;
> + default-state = "keep";
> + gpios = <&pca7 1 GPIO_ACTIVE_LOW>;
> + };
> + };
> +
> + leds-optional-cablecard10 {
> + compatible = "gpio-leds";
> +
> + cablecard10-cxp-top {
> + retain-state-shutdown;
> + default-state = "keep";
> + gpios = <&pca8 0 GPIO_ACTIVE_LOW>;
> + };
> +
> + cablecard10-cxp-bot {
> + retain-state-shutdown;
> + default-state = "keep";
> + gpios = <&pca8 1 GPIO_ACTIVE_LOW>;
> + };
> + };
> };
>
> &ehci1 {
> @@ -1212,6 +1276,180 @@
> compatible = "atmel,24c64";
> reg = <0x52>;
> };
> +
> + pca5: pca9551@60 {
> + compatible = "nxp,pca9551";
> + reg = <0x60>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + gpio-controller;
> + #gpio-cells = <2>;
> +
> + gpio@0 {
> + reg = <0>;
> + type = <PCA955X_TYPE_GPIO>;
> + };
> +
> + gpio@1 {
> + reg = <1>;
> + type = <PCA955X_TYPE_GPIO>;
> + };
> +
> + gpio@2 {
> + reg = <2>;
> + type = <PCA955X_TYPE_GPIO>;
> + };
> +
> + gpio@3 {
> + reg = <3>;
> + type = <PCA955X_TYPE_GPIO>;
> + };
> +
> + gpio@4 {
> + reg = <4>;
> + type = <PCA955X_TYPE_GPIO>;
> + };
> +
> + gpio@5 {
> + reg = <5>;
> + type = <PCA955X_TYPE_GPIO>;
> + };
> +
> + gpio@6 {
> + reg = <6>;
> + type = <PCA955X_TYPE_GPIO>;
> + };
> +
> + gpio@7 {
> + reg = <7>;
> + type = <PCA955X_TYPE_GPIO>;
> + };
> + };
> +};
> +
> +&i2c5 {
> + status = "okay";
> +
> + tmp275@48 {
> + compatible = "ti,tmp275";
> + reg = <0x48>;
> + };
> +
> + tmp275@49 {
> + compatible = "ti,tmp275";
> + reg = <0x49>;
> + };
> +
> + eeprom@50 {
> + compatible = "atmel,24c64";
> + reg = <0x50>;
> + };
> +
> + eeprom@51 {
> + compatible = "atmel,24c64";
> + reg = <0x51>;
> + };
> +
> + pca6: pca9551@60 {
> + compatible = "nxp,pca9551";
> + reg = <0x60>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + gpio-controller;
> + #gpio-cells = <2>;
> +
> + gpio@0 {
> + reg = <0>;
> + type = <PCA955X_TYPE_GPIO>;
> + };
> +
> + gpio@1 {
> + reg = <1>;
> + type = <PCA955X_TYPE_GPIO>;
> + };
> +
> + gpio@2 {
> + reg = <2>;
> + type = <PCA955X_TYPE_GPIO>;
> + };
> +
> + gpio@3 {
> + reg = <3>;
> + type = <PCA955X_TYPE_GPIO>;
> + };
> +
> + gpio@4 {
> + reg = <4>;
> + type = <PCA955X_TYPE_GPIO>;
> + };
> +
> + gpio@5 {
> + reg = <5>;
> + type = <PCA955X_TYPE_GPIO>;
> + };
> +
> + gpio@6 {
> + reg = <6>;
> + type = <PCA955X_TYPE_GPIO>;
> + };
> +
> + gpio@7 {
> + reg = <7>;
> + type = <PCA955X_TYPE_GPIO>;
> + };
> + };
> +
> + pca7: pca9551@61 {
> + compatible = "nxp,pca9551";
> + reg = <0x61>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + gpio-controller;
> + #gpio-cells = <2>;
> +
> + gpio@0 {
> + reg = <0>;
> + type = <PCA955X_TYPE_GPIO>;
> + };
> +
> + gpio@1 {
> + reg = <1>;
> + type = <PCA955X_TYPE_GPIO>;
> + };
> +
> + gpio@2 {
> + reg = <2>;
> + type = <PCA955X_TYPE_GPIO>;
> + };
> +
> + gpio@3 {
> + reg = <3>;
> + type = <PCA955X_TYPE_GPIO>;
> + };
> +
> + gpio@4 {
> + reg = <4>;
> + type = <PCA955X_TYPE_GPIO>;
> + };
> +
> + gpio@5 {
> + reg = <5>;
> + type = <PCA955X_TYPE_GPIO>;
> + };
> +
> + gpio@6 {
> + reg = <6>;
> + type = <PCA955X_TYPE_GPIO>;
> + };
> +
> + gpio@7 {
> + reg = <7>;
> + type = <PCA955X_TYPE_GPIO>;
> + };
> + };
> };
>
> &i2c5 {
> @@ -2028,6 +2266,56 @@
> compatible = "atmel,24c64";
> reg = <0x51>;
> };
> +
> + pca8: pca9551@60 {
> + compatible = "nxp,pca9551";
> + reg = <0x60>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + gpio-controller;
> + #gpio-cells = <2>;
> +
> + gpio@0 {
> + reg = <0>;
> + type = <PCA955X_TYPE_GPIO>;
> + };
> +
> + gpio@1 {
> + reg = <1>;
> + type = <PCA955X_TYPE_GPIO>;
> + };
> +
> + gpio@2 {
> + reg = <2>;
> + type = <PCA955X_TYPE_GPIO>;
> + };
> +
> + gpio@3 {
> + reg = <3>;
> + type = <PCA955X_TYPE_GPIO>;
> + };
> +
> + gpio@4 {
> + reg = <4>;
> + type = <PCA955X_TYPE_GPIO>;
> + };
> +
> + gpio@5 {
> + reg = <5>;
> + type = <PCA955X_TYPE_GPIO>;
> + };
> +
> + gpio@6 {
> + reg = <6>;
> + type = <PCA955X_TYPE_GPIO>;
> + };
> +
> + gpio@7 {
> + reg = <7>;
> + type = <PCA955X_TYPE_GPIO>;
> + };
> + };
> };
>
> &i2c12 {
> --
> 1.8.3.1
>
