On Wed, 2024-01-31 at 16:41 +0800, Delphine CC Chiu wrote:
> Enable interrupt setting for pca9555
>
> Signed-off-by: Delphine CC Chiu <Delphine_CC_Chiu@xxxxxxxxxx>
> ---
> Changelog:
> - v4
> - Revise device node name
> - v1
> - enable interrupt setting for pca9555
> ---
> .../aspeed/aspeed-bmc-facebook-yosemite4.dts | 56 +++++++++++++++++--
> 1 file changed, 52 insertions(+), 4 deletions(-)
>
> 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 cbf385e72e57..4b23e467690f 100644
> --- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
> +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
> @@ -832,30 +832,78 @@ power-sensor@12 {
>
> gpio@20 {
> compatible = "nxp,pca9555";
> - reg = <0x20>;
> + pinctrl-names = "default";
> gpio-controller;
> #gpio-cells = <2>;
> + reg = <0x20>;
> + interrupt-parent = <&gpio0>;
> + interrupts = <98 IRQ_TYPE_LEVEL_LOW>;
> + gpio-line-names =
> + "P48V-OCP-GPIO1","P48V-OCP-GPIO2",
> + "P48V-OCP-GPIO3","FAN-BOARD-0-REVISION-0-R",
> + "FAN-BOARD-0-REVISION-1-R","FAN-BOARD-1-REVISION-0-R",
> + "FAN-BOARD-1-REVISION-1-R","RST-MUX-R-N",
> + "RST-LED-CONTROL-FAN-BOARD-0-N","RST-LED-CONTROL-FAN-BOARD-1-N",
> + "RST-IOEXP-FAN-BOARD-0-N","RST-IOEXP-FAN-BOARD-1-N",
> + "PWRGD-LOAD-SWITCH-FAN-BOARD-0-R","PWRGD-LOAD-SWITCH-FAN-BOARD-1-R",
> + "","";
Perhaps the addition of the line names should go in a separate patch?
They seem unrelated to the interrupt configuration. The query applies
to the hunks below as well.
> };
>
> gpio@21 {
> compatible = "nxp,pca9555";
> - reg = <0x21>;
> + pinctrl-names = "default";
> gpio-controller;
> #gpio-cells = <2>;
> + reg = <0x21>;
> + interrupt-parent = <&gpio0>;
> + interrupts = <98 IRQ_TYPE_LEVEL_LOW>;
> + gpio-line-names =
> + "HSC-OCP-SLOT-ODD-GPIO1","HSC-OCP-SLOT-ODD-GPIO2",
> + "HSC-OCP-SLOT-ODD-GPIO3","HSC-OCP-SLOT-EVEN-GPIO1",
> + "HSC-OCP-SLOT-EVEN-GPIO2","HSC-OCP-SLOT-EVEN-GPIO3",
> + "ADC-TYPE-0-R","ADC-TYPE-1-R",
> + "MEDUSA-BOARD-REV-0","MEDUSA-BOARD-REV-1",
> + "MEDUSA-BOARD-REV-2","MEDUSA-BOARD-TYPE",
> + "DELTA-MODULE-TYPE","P12V-HSC-TYPE",
> + "","";
> };
>
> gpio@22 {
> compatible = "nxp,pca9555";
> - reg = <0x22>;
> + pinctrl-names = "default";
> gpio-controller;
> #gpio-cells = <2>;
> + reg = <0x22>;
> + interrupt-parent = <&gpio0>;
> + interrupts = <98 IRQ_TYPE_LEVEL_LOW>;
> + gpio-line-names =
> + "CARD-TYPE-SLOT1","CARD-TYPE-SLOT2",
> + "CARD-TYPE-SLOT3","CARD-TYPE-SLOT4",
> + "CARD-TYPE-SLOT5","CARD-TYPE-SLOT6",
> + "CARD-TYPE-SLOT7","CARD-TYPE-SLOT8",
> + "OC-P48V-HSC-0-N","FLT-P48V-HSC-0-N",
> + "OC-P48V-HSC-1-N","FLT-P48V-HSC-1-N",
> + "EN-P48V-AUX-0","EN-P48V-AUX-1",
> + "PWRGD-P12V-AUX-0","PWRGD-P12V-AUX-1";
> };
>
> gpio@23 {
> compatible = "nxp,pca9555";
> - reg = <0x23>;
> + pinctrl-names = "default";
> gpio-controller;
> #gpio-cells = <2>;
> + reg = <0x23>;
> + interrupt-parent = <&gpio0>;
> + interrupts = <98 IRQ_TYPE_LEVEL_LOW>;
Just confirming the interrupt lines from the expanders are all wired up
to the one GPIO input pin on the BMC?
Andrew
