linux-kernel - Re: [PATCH V4 1/2] dt-bindings: reset: imx7: Add support for i.MX8MM

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Date:   Tue, 23 Jul 2019 10:59:17 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     Anson.Huang@....com, p.zabel@...gutronix.de
Cc:     robh+dt@...nel.org, mark.rutland@....com, s.hauer@...gutronix.de,
        kernel@...gutronix.de, festevam@...il.com, leonard.crestez@....com,
        viresh.kumar@...aro.org, daniel.baluta@....com, ping.bai@....com,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, Linux-imx@....com
Subject: Re: [PATCH V4 1/2] dt-bindings: reset: imx7: Add support for i.MX8MM

On Fri, Jul 05, 2019 at 04:54:05PM +0800, Anson.Huang@....com wrote:
> From: Anson Huang <Anson.Huang@....com>
> 
> i.MX8MM can reuse i.MX8MQ's reset driver, update the compatible
> property and related info to support i.MX8MM.
> 
> Signed-off-by: Anson Huang <Anson.Huang@....com>

Hi Philipp,

Let me know if you want me to pick this up.

Shawn

> ---
> Changes since V3:
> 	- Add comments to those reset indices to indicate which are NOT supported on i.MX8MM.
> ---
>  .../devicetree/bindings/reset/fsl,imx7-src.txt     |  6 +++--
>  include/dt-bindings/reset/imx8mq-reset.h           | 28 +++++++++++-----------
>  2 files changed, 18 insertions(+), 16 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/reset/fsl,imx7-src.txt b/Documentation/devicetree/bindings/reset/fsl,imx7-src.txt
> index 13e0951..c2489e4 100644
> --- a/Documentation/devicetree/bindings/reset/fsl,imx7-src.txt
> +++ b/Documentation/devicetree/bindings/reset/fsl,imx7-src.txt
> @@ -8,6 +8,7 @@ Required properties:
>  - compatible:
>  	- For i.MX7 SoCs should be "fsl,imx7d-src", "syscon"
>  	- For i.MX8MQ SoCs should be "fsl,imx8mq-src", "syscon"
> +	- For i.MX8MM SoCs should be "fsl,imx8mm-src", "fsl,imx8mq-src", "syscon"
>  - reg: should be register base and length as documented in the
>    datasheet
>  - interrupts: Should contain SRC interrupt
> @@ -46,5 +47,6 @@ Example:
>  
>  
>  For list of all valid reset indices see
> -<dt-bindings/reset/imx7-reset.h> for i.MX7 and
> -<dt-bindings/reset/imx8mq-reset.h> for i.MX8MQ
> +<dt-bindings/reset/imx7-reset.h> for i.MX7,
> +<dt-bindings/reset/imx8mq-reset.h> for i.MX8MQ and
> +<dt-bindings/reset/imx8mq-reset.h> for i.MX8MM
> diff --git a/include/dt-bindings/reset/imx8mq-reset.h b/include/dt-bindings/reset/imx8mq-reset.h
> index 57c5924..f17ef2a 100644
> --- a/include/dt-bindings/reset/imx8mq-reset.h
> +++ b/include/dt-bindings/reset/imx8mq-reset.h
> @@ -38,26 +38,26 @@
>  #define IMX8MQ_RESET_PCIEPHY_PERST		27
>  #define IMX8MQ_RESET_PCIE_CTRL_APPS_EN		28
>  #define IMX8MQ_RESET_PCIE_CTRL_APPS_TURNOFF	29
> -#define IMX8MQ_RESET_HDMI_PHY_APB_RESET		30
> +#define IMX8MQ_RESET_HDMI_PHY_APB_RESET		30	/* i.MX8MM does NOT support */
>  #define IMX8MQ_RESET_DISP_RESET			31
>  #define IMX8MQ_RESET_GPU_RESET			32
>  #define IMX8MQ_RESET_VPU_RESET			33
> -#define IMX8MQ_RESET_PCIEPHY2			34
> -#define IMX8MQ_RESET_PCIEPHY2_PERST		35
> -#define IMX8MQ_RESET_PCIE2_CTRL_APPS_EN		36
> -#define IMX8MQ_RESET_PCIE2_CTRL_APPS_TURNOFF	37
> -#define IMX8MQ_RESET_MIPI_CSI1_CORE_RESET	38
> -#define IMX8MQ_RESET_MIPI_CSI1_PHY_REF_RESET	39
> -#define IMX8MQ_RESET_MIPI_CSI1_ESC_RESET	40
> -#define IMX8MQ_RESET_MIPI_CSI2_CORE_RESET	41
> -#define IMX8MQ_RESET_MIPI_CSI2_PHY_REF_RESET	42
> -#define IMX8MQ_RESET_MIPI_CSI2_ESC_RESET	43
> +#define IMX8MQ_RESET_PCIEPHY2			34	/* i.MX8MM does NOT support */
> +#define IMX8MQ_RESET_PCIEPHY2_PERST		35	/* i.MX8MM does NOT support */
> +#define IMX8MQ_RESET_PCIE2_CTRL_APPS_EN		36	/* i.MX8MM does NOT support */
> +#define IMX8MQ_RESET_PCIE2_CTRL_APPS_TURNOFF	37	/* i.MX8MM does NOT support */
> +#define IMX8MQ_RESET_MIPI_CSI1_CORE_RESET	38	/* i.MX8MM does NOT support */
> +#define IMX8MQ_RESET_MIPI_CSI1_PHY_REF_RESET	39	/* i.MX8MM does NOT support */
> +#define IMX8MQ_RESET_MIPI_CSI1_ESC_RESET	40	/* i.MX8MM does NOT support */
> +#define IMX8MQ_RESET_MIPI_CSI2_CORE_RESET	41	/* i.MX8MM does NOT support */
> +#define IMX8MQ_RESET_MIPI_CSI2_PHY_REF_RESET	42	/* i.MX8MM does NOT support */
> +#define IMX8MQ_RESET_MIPI_CSI2_ESC_RESET	43	/* i.MX8MM does NOT support */
>  #define IMX8MQ_RESET_DDRC1_PRST			44
>  #define IMX8MQ_RESET_DDRC1_CORE_RESET		45
>  #define IMX8MQ_RESET_DDRC1_PHY_RESET		46
> -#define IMX8MQ_RESET_DDRC2_PRST			47
> -#define IMX8MQ_RESET_DDRC2_CORE_RESET		48
> -#define IMX8MQ_RESET_DDRC2_PHY_RESET		49
> +#define IMX8MQ_RESET_DDRC2_PRST			47	/* i.MX8MM does NOT support */
> +#define IMX8MQ_RESET_DDRC2_CORE_RESET		48	/* i.MX8MM does NOT support */
> +#define IMX8MQ_RESET_DDRC2_PHY_RESET		49	/* i.MX8MM does NOT support */
>  
>  #define IMX8MQ_RESET_NUM			50
>  
> -- 
> 2.7.4
>