Re: [PATCH v5 03/21] ARM: dts: aspeed: yosemite4: Enable spi-gpio setting

From: Andrew Jeffery
Date: Wed Jan 31 2024 - 23:15:44 EST


On Wed, 2024-01-31 at 16:41 +0800, Delphine CC Chiu wrote:
> enable spi-gpio setting for spi flash

I suspect I know what's motivating this as a design, but can you add an
explanation to the commit message?

Again, expectations on commit messages are outlined here:

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/submitting-patches.rst?h=v6.7#n45

Andrew

>
> Signed-off-by: Delphine CC Chiu <Delphine_CC_Chiu@xxxxxxxxxx>
> ---
> .../aspeed/aspeed-bmc-facebook-yosemite4.dts | 18 ++++++++++++++++++
> 1 file changed, 18 insertions(+)
>
> diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
> index 6846aab893ad..ea8fd3ec0982 100644
> --- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
> +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
> @@ -53,6 +53,24 @@ iio-hwmon {
> <&adc0 4>, <&adc0 5>, <&adc0 6>, <&adc0 7>,
> <&adc1 0>, <&adc1 1>, <&adc1 7>;
> };
> +
> + spi_gpio: spi-gpio {
> + compatible = "spi-gpio";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + gpio-sck = <&gpio0 ASPEED_GPIO(X, 3) GPIO_ACTIVE_HIGH>;
> + gpio-mosi = <&gpio0 ASPEED_GPIO(X, 4) GPIO_ACTIVE_HIGH>;
> + gpio-miso = <&gpio0 ASPEED_GPIO(X, 5) GPIO_ACTIVE_HIGH>;
> + num-chipselects = <1>;
> + cs-gpios = <&gpio0 ASPEED_GPIO(X, 0) GPIO_ACTIVE_LOW>;
> +
> + tpmdev@0 {
> + compatible = "tcg,tpm_tis-spi";
> + spi-max-frequency = <33000000>;
> + reg = <0>;
> + };
> + };
> };
>
> &uart1 {