On Mon, Aug 18, 2025 at 10:45:57AM +0200, Christophe Leroy wrote:
> In the QE, a few GPIOs are IRQ capable. Similarly to
> commit 726bd223105c ("powerpc/8xx: Adding support of IRQ in MPC8xx
> GPIO"), add IRQ support to QE GPIO.
>
> Add property 'fsl,qe-gpio-irq-mask' similar to
> 'fsl,cpm1-gpio-irq-mask' that define which of the GPIOs have IRQs.
>
> Here is an exemple for port B of mpc8323 which has IRQs for
> GPIOs PB7, PB9, PB25 and PB27.
>
> qe_pio_b: gpio-controller@1418 {
> #gpio-cells = <2>;
> compatible = "fsl,mpc8323-qe-pario-bank";
> reg = <0x1418 0x18>;
> interrupts = <4 5 6 7>;
> fsl,qe-gpio-irq-mask = <0x01400050>;
> interrupt-parent = <&qepic>;
> gpio-controller;
> };
>
> Signed-off-by: Christophe Leroy <christophe.le...@csgroup.eu>
> ---
> v2: Document fsl,qe-gpio-irq-mask
> ---
> .../bindings/soc/fsl/cpm_qe/qe/par_io.txt | 19 ++++++++++++++++++
> drivers/soc/fsl/qe/gpio.c | 20 +++++++++++++++++++
> 2 files changed, 39 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/soc/fsl/cpm_qe/qe/par_io.txt
> b/Documentation/devicetree/bindings/soc/fsl/cpm_qe/qe/par_io.txt
> index 09b1b05fa677..9cd6e5ac2a7b 100644
> --- a/Documentation/devicetree/bindings/soc/fsl/cpm_qe/qe/par_io.txt
> +++ b/Documentation/devicetree/bindings/soc/fsl/cpm_qe/qe/par_io.txt
> @@ -32,6 +32,15 @@ Required properties:
> "fsl,mpc8323-qe-pario-bank".
> - reg : offset to the register set and its length.
> - gpio-controller : node to identify gpio controllers.
> +Optional properties:
> +- fsl,qe-gpio-irq-mask : For banks having interrupt capability this item
> tells
> + which ports have an associated interrupt (ports are listed in the same
> order
> + QE ports registers)
> +- interrupts : This property provides the list of interrupt for each GPIO
> having
> + one as described by the fsl,cpm1-gpio-irq-mask property. There should be as
> + many interrupts as number of ones in the mask property. The first
> interrupt in
> + the list corresponds to the most significant bit of the mask.
> +- interrupt-parent : Parent for the above interrupt property.
>
> Example:
> qe_pio_a: gpio-controller@1400 {
> @@ -42,6 +51,16 @@ Example:
> gpio-controller;
> };
>
> + qe_pio_b: gpio-controller@1418 {
> + #gpio-cells = <2>;
> + compatible = "fsl,mpc8323-qe-pario-bank";
> + reg = <0x1418 0x18>;
> + interrupts = <4 5 6 7>;
> + fsl,qe-gpio-irq-mask = <0x01400050>;
> + interrupt-parent = <&qepic>;
> + gpio-controller;
> + };
> +
> qe_pio_e: gpio-controller@1460 {
> #gpio-cells = <2>;
> compatible = "fsl,mpc8360-qe-pario-bank",Why is there a binding change hiding in here alongside a driver one?
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