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Subject[PATCH 05/10] dt-bindings: gpio: Add AXP192 GPIO bindings
Date
The AXP192 PMIC is different enough from the PMICs supported by
the AXP20x GPIO driver to warrant a separate driver. The AXP192
driver also supports interrupts and pinconf settings.

Signed-off-by: Aidan MacDonald <aidanmacdonald.0x0@gmail.com>
---
.../bindings/gpio/x-powers,axp192-gpio.yaml | 59 +++++++++++++++++++
1 file changed, 59 insertions(+)
create mode 100644 Documentation/devicetree/bindings/gpio/x-powers,axp192-gpio.yaml

diff --git a/Documentation/devicetree/bindings/gpio/x-powers,axp192-gpio.yaml b/Documentation/devicetree/bindings/gpio/x-powers,axp192-gpio.yaml
new file mode 100644
index 000000000000..7a985640ade8
--- /dev/null
+++ b/Documentation/devicetree/bindings/gpio/x-powers,axp192-gpio.yaml
@@ -0,0 +1,59 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/gpio/x-powers,axp192-gpio.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: X-Powers AXP192 GPIO Device Tree Bindings
+
+maintainers:
+ - Chen-Yu Tsai <wens@csie.org>
+
+properties:
+ "#gpio-cells":
+ const: 2
+ description: >
+ The first cell is the pin number and the second is the GPIO flags.
+
+ compatible:
+ oneOf:
+ - enum:
+ - x-powers,axp192-gpio
+
+ gpio-controller: true
+
+patternProperties:
+ "^.*-pins?$":
+ $ref: /schemas/pinctrl/pinmux-node.yaml#
+
+ properties:
+ pins:
+ items:
+ enum:
+ - GPIO0
+ - GPIO1
+ - GPIO2
+ - GPIO3
+ - GPIO4
+ - N_RSTO
+
+ function:
+ enum:
+ - output
+ - input
+ - ldo
+ - pwm
+ - adc
+ - low_output
+ - floating
+ - ext_chg_ctl
+ - ldo_status
+
+required:
+ - compatible
+ - "#gpio-cells"
+ - gpio-controller
+
+additionalProperties: false
+
+...
--
2.35.1
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