Re: [PATCH] dt-bindings: remoteproc: pru: Add Interrupt property

From: Conor Dooley
Date: Mon Aug 07 2023 - 10:39:33 EST


On Mon, Aug 07, 2023 at 04:38:36PM +0530, MD Danish Anwar wrote:
> Add interrupts and interrupt-names protperties for PRU and RTU cores.
>
> Signed-off-by: MD Danish Anwar <danishanwar@xxxxxx>
> ---
> .../bindings/remoteproc/ti,pru-rproc.yaml | 22 +++++++++++++++++++
> 1 file changed, 22 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/remoteproc/ti,pru-rproc.yaml b/Documentation/devicetree/bindings/remoteproc/ti,pru-rproc.yaml
> index cd55d80137f7..6970316943bb 100644
> --- a/Documentation/devicetree/bindings/remoteproc/ti,pru-rproc.yaml
> +++ b/Documentation/devicetree/bindings/remoteproc/ti,pru-rproc.yaml
> @@ -66,6 +66,16 @@ properties:
> Should contain the name of the default firmware image
> file located on the firmware search path.
>
> + interrupts:
> + maxItems: 1
> + description:
> + Interrupt specifiers enable the virtio/rpmsg communication between MPU
> + and the PRU/RTU cores.
> +
> + interrupt-names:
> + items:
> + - const: vring
> +
> if:
> properties:
> compatible:
> @@ -171,6 +181,9 @@ examples:
> <0x22400 0x100>;
> reg-names = "iram", "control", "debug";
> firmware-name = "am65x-pru0_0-fw";
> + interrupt-parent = <&icssg0_intc>;
> + interrupts = <16 2 2>;
> + interrupt-names = "vring";
> };

These examples would probably be more helpful if they used the
appropriate defines, no?

>
> rtu0_0: rtu@4000 {
> @@ -180,6 +193,9 @@ examples:
> <0x23400 0x100>;
> reg-names = "iram", "control", "debug";
> firmware-name = "am65x-rtu0_0-fw";
> + interrupt-parent = <&icssg0_intc>;
> + interrupts = <20 4 4>;
> + interrupt-names = "vring";
> };
>
> tx_pru0_0: txpru@a000 {
> @@ -198,6 +214,9 @@ examples:
> <0x24400 0x100>;
> reg-names = "iram", "control", "debug";
> firmware-name = "am65x-pru0_1-fw";
> + interrupt-parent = <&icssg0_intc>;
> + interrupts = <18 3 3>;
> + interrupt-names = "vring";
> };
>
> rtu0_1: rtu@6000 {
> @@ -207,6 +226,9 @@ examples:
> <0x23c00 0x100>;
> reg-names = "iram", "control", "debug";
> firmware-name = "am65x-rtu0_1-fw";
> + interrupt-parent = <&icssg0_intc>;
> + interrupts = <22 5 5>;
> + interrupt-names = "vring";
> };
>
> tx_pru0_1: txpru@c000 {
> --
> 2.34.1
>

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