Add a binding description for the SigmaStar GPIO interrupt controller, gpi, found on the SSD201 and SSD202D. Signed-off-by: Daniel Palmer <daniel@xxxxxxxx> --- .../sstar,ssd20xd-gpi.yaml | 53 +++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 54 insertions(+) create mode 100644 Documentation/devicetree/bindings/interrupt-controller/sstar,ssd20xd-gpi.yaml diff --git a/Documentation/devicetree/bindings/interrupt-controller/sstar,ssd20xd-gpi.yaml b/Documentation/devicetree/bindings/interrupt-controller/sstar,ssd20xd-gpi.yaml new file mode 100644 index 000000000000..1f7e6c5fef52 --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/sstar,ssd20xd-gpi.yaml @@ -0,0 +1,53 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/interrupt-controller/sstar,ssd20xd-gpi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: SigmaStar GPIO Interrupt Controller + +maintainers: + - Daniel Palmer <daniel@xxxxxxxxx> + +description: |+ + Newer SigmaStar SoCs from the SSD201/SSD202D have an extra + interrupt controller that is just for handling interrupts + on GPIOs and then routing a single interrupt to the peripheral + interrupt controller instead of only having a few interrupt + capable GPIOs that are routed directly to the peripheral + interrupt controller like older SoCs. + +properties: + compatible: + const: sstar,ssd20xd-gpi + + interrupt-controller: true + + "#interrupt-cells": + const: 2 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + interrupt-controller@207a00 { + compatible = "sstar,ssd20xd-gpi"; + reg = <0x207a00 0x200>; + #interrupt-cells = <2>; + interrupt-controller; + interrupts-extended = <&intc_irq GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>; + }; +... diff --git a/MAINTAINERS b/MAINTAINERS index eeb4c70b3d5b..3004c0f735b6 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2243,6 +2243,7 @@ T: git git://github.com/linux-chenxing/linux.git F: Documentation/devicetree/bindings/arm/mstar/* F: Documentation/devicetree/bindings/clock/mstar,msc313-mpll.yaml F: Documentation/devicetree/bindings/gpio/mstar,msc313-gpio.yaml +F: Documentation/devicetree/bindings/interrupt-controller/sstar,ssd20xd-gpi.yaml F: arch/arm/boot/dts/mstar-* F: arch/arm/mach-mstar/ F: drivers/clk/mstar/ -- 2.33.0
