Re: [PATCH v6 4/4] ARM: imx6ul: add "fsl,imx6ul-snvs-lpgpr" node

From: Stefan Wahren
Date: Tue Jun 20 2017 - 02:34:40 EST


Am 20.06.2017 um 06:40 schrieb Oleksij Rempel:
> snvs_lpgpr confirmed to work with imx6ul as well.
>
> Signed-off-by: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx>
> Tested-by: Guy Shapiro <guy.shapiro@xxxxxxxxxxxxx>
> ---
> Documentation/devicetree/bindings/nvmem/snvs-lpgpr.txt | 3 ++-
> arch/arm/boot/dts/imx6ul.dtsi | 4 ++++
> drivers/nvmem/snvs_lpgpr.c | 1 +
> 3 files changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/devicetree/bindings/nvmem/snvs-lpgpr.txt b/Documentation/devicetree/bindings/nvmem/snvs-lpgpr.txt
> index 21910fb3159f..d2a811f92d7f 100644
> --- a/Documentation/devicetree/bindings/nvmem/snvs-lpgpr.txt
> +++ b/Documentation/devicetree/bindings/nvmem/snvs-lpgpr.txt
> @@ -5,8 +5,9 @@ This DT node should be represented as a sub-node of a "syscon",
> "simple-mfd" node.
>
> Required properties:
> -- compatible: should be:
> +- compatible: should be one of fallowing variants:

of the following

> "fsl,imx6q-snvs-lpgpr" for Freescale i.MX6Q/D/DL/S
> + "fsl,imx6ul-snvs-lpgpr" for Freescale i.MX6UL

Please fold this change into patch #1. This makes review and merging easier.

>
> Example:
> snvs: snvs@020cc000 {
> diff --git a/arch/arm/boot/dts/imx6ul.dtsi b/arch/arm/boot/dts/imx6ul.dtsi
> index b9d7d2d09402..df870abc28f5 100644
> --- a/arch/arm/boot/dts/imx6ul.dtsi
> +++ b/arch/arm/boot/dts/imx6ul.dtsi
> @@ -624,6 +624,10 @@
> linux,keycode = <KEY_POWER>;
> wakeup-source;
> };
> +
> + snvs_lpgpr: snvs-lpgpr {
> + compatible = "fsl,imx6ul-snvs-lpgpr";
> + };

AFAIK the imx6ull.dtsi also includes the imx6ul.dtsi. Does this
compatible driver also fit for imx6ull?

If yes, please extend the devicetree binding in patch #1.
If no, this change would have unwanted side effects.

Regards
Stefan

> };
>
> epit1: epit@020d0000 {
> diff --git a/drivers/nvmem/snvs_lpgpr.c b/drivers/nvmem/snvs_lpgpr.c
> index eb3369363e44..2b20a12918d8 100644
> --- a/drivers/nvmem/snvs_lpgpr.c
> +++ b/drivers/nvmem/snvs_lpgpr.c
> @@ -136,6 +136,7 @@ static int snvs_lpgpr_remove(struct platform_device *pdev)
>
> static const struct of_device_id snvs_lpgpr_dt_ids[] = {
> { .compatible = "fsl,imx6q-snvs-lpgpr", .data = &snvs_lpgpr_cfg_imx6q },
> + { .compatible = "fsl,imx6ul-snvs-lpgpr", .data = &snvs_lpgpr_cfg_imx6q },
> { },
> };
> MODULE_DEVICE_TABLE(of, snvs_lpgpr_dt_ids);