Re: [PATCH] reset: uniphier-glue: Add Pro5 USB3 support

From: Philipp Zabel
Date: Tue Sep 10 2019 - 03:48:24 EST


Hi Kunihiko,

On Tue, 2019-09-10 at 10:55 +0900, Kunihiko Hayashi wrote:
> Pro5 SoC has same scheme of USB3 reset as Pro4, so the data for Pro5 is
> equivalent to Pro4.
>
> Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@xxxxxxxxxxxxx>

If it is exactly the same, you could keep using the same compatible:

> ---
> Documentation/devicetree/bindings/reset/uniphier-reset.txt | 5 +++--
> drivers/reset/reset-uniphier-glue.c | 4 ++++
> 2 files changed, 7 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/reset/uniphier-reset.txt b/Documentation/devicetree/bindings/reset/uniphier-reset.txt
> index ea00517..e320a8c 100644
> --- a/Documentation/devicetree/bindings/reset/uniphier-reset.txt
> +++ b/Documentation/devicetree/bindings/reset/uniphier-reset.txt
> @@ -130,6 +130,7 @@ this layer. These clocks and resets should be described in each property.
> Required properties:
> - compatible: Should be
> "socionext,uniphier-pro4-usb3-reset" - for Pro4 SoC USB3
> + "socionext,uniphier-pro5-usb3-reset" - for Pro5 SoC USB3

+ "socionext,uniphier-pro5-usb3-reset", "socionext,uniphier-pro4-usb3-reset" - for Pro5 SoC USB3

[...]
> diff --git a/drivers/reset/reset-uniphier-glue.c b/drivers/reset/reset-uniphier-glue.c
> index a45923f..2b188b3bb 100644
> --- a/drivers/reset/reset-uniphier-glue.c
> +++ b/drivers/reset/reset-uniphier-glue.c
> @@ -141,6 +141,10 @@ static const struct of_device_id uniphier_glue_reset_match[] = {
> .data = &uniphier_pro4_data,
> },
> {
> + .compatible = "socionext,uniphier-pro5-usb3-reset",
> + .data = &uniphier_pro4_data,
> + },
> + {
> .compatible = "socionext,uniphier-pxs2-usb3-reset",
> .data = &uniphier_pxs2_data,
> },

And this change would not be necessary.

regards
Philipp