[PATCH v6 09/10] ARM: dts: aspeed: system1: Mark GPIO line high/low
Eddie James
eajames at linux.ibm.com
Thu Jan 23 03:08:28 AEDT 2025
On 1/16/25 14:35, Ninad Palsule wrote:
> - Mark following GPIO lines as input high:
> - GPIOL4 (reset PCH registers)
> - GPIOL5 (reset portition of intel ME)
> - Mark isolate errors from cpu1 gpio (GPIOO6) as active low output.
> - The fan controller reset line should be active high.
Reviewed-by: Eddie James <eajames at linux.ibm.com>
>
> Signed-off-by: Ninad Palsule <ninad at linux.ibm.com>
> ---
> .../dts/aspeed/aspeed-bmc-ibm-system1.dts | 28 +++++++++++++++++++
> 1 file changed, 28 insertions(+)
>
> diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts
> index 089a8315753a..9abbad07c751 100644
> --- a/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts
> +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts
> @@ -383,6 +383,34 @@ &gpio0 {
> /*X0-X7*/ "fpga-pgood","power-chassis-good","pch-pgood","","","","","",
> /*Y0-Y7*/ "","","","","","","","",
> /*Z0-Z7*/ "","","","","","","","";
> +
> + pin-gpio-hog-0 {
> + gpio-hog;
> + gpios = <ASPEED_GPIO(L, 4) GPIO_ACTIVE_HIGH>;
> + input;
> + line-name = "RST_RTCRST_N";
> + };
> +
> + pin-gpio-hog-1 {
> + gpio-hog;
> + gpios = <ASPEED_GPIO(L, 5) GPIO_ACTIVE_HIGH>;
> + input;
> + line-name = "RST_SRTCRST_N";
> + };
> +
> + pin-gpio-hog-2 {
> + gpio-hog;
> + gpios = <ASPEED_GPIO(L, 6) GPIO_ACTIVE_HIGH>;
> + output-high;
> + line-name = "BMC_FAN_E3_SVC_PEX_INT_N";
> + };
> +
> + pin-gpio-hog-3 {
> + gpio-hog;
> + gpios = <ASPEED_GPIO(O, 6) GPIO_ACTIVE_LOW>;
> + output-low;
> + line-name = "isolate_errs_cpu1";
> + };
> };
>
> &emmc_controller {
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