diff options
| author | Peng Fan <peng.fan@nxp.com> | 2023-10-01 11:27:53 +0300 |
|---|---|---|
| committer | Bartosz Golaszewski <bartosz.golaszewski@linaro.org> | 2023-10-05 20:52:57 +0300 |
| commit | 1619a094443659a16a39be9ee17567fd01723f4d (patch) | |
| tree | 7218d013e37fc5122e5349d36910565b1f738c65 /Documentation/devicetree/bindings/gpio | |
| parent | 690acef3c47f96cd89853fad90f02ba80a497306 (diff) | |
| download | linux-1619a094443659a16a39be9ee17567fd01723f4d.tar.xz | |
dt-bindings: gpio: vf610: correct i.MX8ULP and i.MX93
i.MX8ULP and i.MX93 actually has two interrupts for each gpio
controller, one for Trustzone non-secure world, one for secure world.
And they has one register based, not two as i.MX7ULP or VF610.
Although the Linux Kernel driver gpio-vf610.c could work with
fsl,imx7ulp-gpio compatible, it is based on some tricks did in
device tree with some offset added to base address.
So actually i.MX8ULP/i.MX93 is not compatible with i.MX7ULP.
Last, i.MX93 is directly derived from i.MX8ULP, so make i.MX93 GPIO
compatible with i.MX8ULP
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Diffstat (limited to 'Documentation/devicetree/bindings/gpio')
| -rw-r--r-- | Documentation/devicetree/bindings/gpio/gpio-vf610.yaml | 36 |
1 files changed, 31 insertions, 5 deletions
diff --git a/Documentation/devicetree/bindings/gpio/gpio-vf610.yaml b/Documentation/devicetree/bindings/gpio/gpio-vf610.yaml index 59427d97adf5..21199bf221ef 100644 --- a/Documentation/devicetree/bindings/gpio/gpio-vf610.yaml +++ b/Documentation/devicetree/bindings/gpio/gpio-vf610.yaml @@ -20,6 +20,7 @@ description: | properties: compatible: oneOf: + - const: fsl,imx8ulp-gpio - const: fsl,vf610-gpio - items: - const: fsl,imx7ulp-gpio @@ -27,16 +28,17 @@ properties: - items: - enum: - fsl,imx93-gpio - - fsl,imx8ulp-gpio - - const: fsl,imx7ulp-gpio + - const: fsl,imx8ulp-gpio reg: - description: The first reg tuple represents the PORT module, the second tuple - represents the GPIO module. + minItems: 1 maxItems: 2 interrupts: - maxItems: 1 + items: + - description: GPIO Trustzone non-secure interrupt number + - description: GPIO Trustzone secure interrupt number + minItems: 1 interrupt-controller: true @@ -78,6 +80,30 @@ required: - "#gpio-cells" - gpio-controller +allOf: + - if: + properties: + compatible: + contains: + enum: + - fsl,vf610-gpio + - fsl,imx7ulp-gpio + then: + properties: + interrupts: + maxItems: 1 + reg: + items: + - description: PORT register base address + - description: GPIO register base address + else: + properties: + interrupts: + minItems: 2 + reg: + items: + - description: GPIO register base address + additionalProperties: false examples: |