linux-kernel - RE: [PATCH] nvmem: imx: ocotp: add i.MX8MP support

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Date:   Sun, 9 Feb 2020 08:41:20 +0000
From:   Peng Fan <peng.fan@....com>
To:     "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
        "srinivas.kandagatla@...aro.org" <srinivas.kandagatla@...aro.org>
CC:     "kernel@...gutronix.de" <kernel@...gutronix.de>,
        "festevam@...il.com" <festevam@...il.com>,
        dl-linux-imx <linux-imx@....com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH] nvmem: imx: ocotp: add i.MX8MP support

> Subject: [PATCH] nvmem: imx: ocotp: add i.MX8MP support

Gentle ping..

Thanks,
Peng.

> 
> From: Peng Fan <peng.fan@....com>
> 
> i.MX8MP has 96 banks with each bank 4 words. And it has different ctrl
> register layout, so add new macros for that.
> 
> Signed-off-by: Peng Fan <peng.fan@....com>
> ---
> 
> dt-bindings doc has been posted by Anson Huang
> 
>  drivers/nvmem/imx-ocotp.c | 21 +++++++++++++++++++++
>  1 file changed, 21 insertions(+)
> 
> diff --git a/drivers/nvmem/imx-ocotp.c b/drivers/nvmem/imx-ocotp.c index
> 4ba9cc8f76df..794858093086 100644
> --- a/drivers/nvmem/imx-ocotp.c
> +++ b/drivers/nvmem/imx-ocotp.c
> @@ -44,6 +44,11 @@
>  #define IMX_OCOTP_BM_CTRL_ERROR		0x00000200
>  #define IMX_OCOTP_BM_CTRL_REL_SHADOWS	0x00000400
> 
> +#define IMX_OCOTP_BM_CTRL_ADDR_8MP		0x000001FF
> +#define IMX_OCOTP_BM_CTRL_BUSY_8MP		0x00000200
> +#define IMX_OCOTP_BM_CTRL_ERROR_8MP		0x00000400
> +#define IMX_OCOTP_BM_CTRL_REL_SHADOWS_8MP	0x00000800
> +
>  #define IMX_OCOTP_BM_CTRL_DEFAULT				\
>  	{							\
>  		.bm_addr = IMX_OCOTP_BM_CTRL_ADDR,		\
> @@ -52,6 +57,14 @@
>  		.bm_rel_shadows = IMX_OCOTP_BM_CTRL_REL_SHADOWS,\
>  	}
> 
> +#define IMX_OCOTP_BM_CTRL_8MP					\
> +	{							\
> +		.bm_addr = IMX_OCOTP_BM_CTRL_ADDR_8MP,		\
> +		.bm_busy = IMX_OCOTP_BM_CTRL_BUSY_8MP,		\
> +		.bm_error = IMX_OCOTP_BM_CTRL_ERROR_8MP,	\
> +		.bm_rel_shadows = IMX_OCOTP_BM_CTRL_REL_SHADOWS_8MP,\
> +	}
> +
>  #define TIMING_STROBE_PROG_US		10	/* Min time to blow a fuse */
>  #define TIMING_STROBE_READ_NS		37	/* Min time before read */
>  #define TIMING_RELAX_NS			17
> @@ -520,6 +533,13 @@ static const struct ocotp_params imx8mn_params =
> {
>  	.ctrl = IMX_OCOTP_BM_CTRL_DEFAULT,
>  };
> 
> +static const struct ocotp_params imx8mp_params = {
> +	.nregs = 384,
> +	.bank_address_words = 0,
> +	.set_timing = imx_ocotp_set_imx6_timing,
> +	.ctrl = IMX_OCOTP_BM_CTRL_8MP,
> +};
> +
>  static const struct of_device_id imx_ocotp_dt_ids[] = {
>  	{ .compatible = "fsl,imx6q-ocotp",  .data = &imx6q_params },
>  	{ .compatible = "fsl,imx6sl-ocotp", .data = &imx6sl_params }, @@ -532,6
> +552,7 @@ static const struct of_device_id imx_ocotp_dt_ids[] = {
>  	{ .compatible = "fsl,imx8mq-ocotp", .data = &imx8mq_params },
>  	{ .compatible = "fsl,imx8mm-ocotp", .data = &imx8mm_params },
>  	{ .compatible = "fsl,imx8mn-ocotp", .data = &imx8mn_params },
> +	{ .compatible = "fsl,imx8mp-ocotp", .data = &imx8mp_params },
>  	{ },
>  };
>  MODULE_DEVICE_TABLE(of, imx_ocotp_dt_ids);
> --
> 2.16.4