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Message-ID: <3dff516c16dbb8c654293e16c49b4c59d29fd707.camel@pengutronix.de>
Date:   Mon, 02 Dec 2019 15:28:38 +0100
From:   Philipp Zabel <p.zabel@...gutronix.de>
To:     Adam Ford <aford173@...il.com>,
        linux-arm-kernel@...ts.infradead.org
Cc:     Mark Rutland <mark.rutland@....com>, devicetree@...r.kernel.org,
        Fabio Estevam <festevam@...il.com>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        linux-kernel@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
        NXP Linux Team <linux-imx@....com>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Shawn Guo <shawnguo@...nel.org>
Subject: Re: [PATCH 1/2] soc: imx: gpcv2: Add support for imx8mm

On Fri, 2019-11-29 at 17:41 -0600, Adam Ford wrote:
> The technical reference manual for both the i.MX8MQ and i.MX8M Mini
> appear to show the same register definitions and locations for the
> General Power Controller (GPC).
> 
> This patch expands the table of compatible SoC's to include
> the i.MX8m Mini
> 
> Signed-off-by: Adam Ford <aford173@...il.com>
> 
> diff --git a/drivers/soc/imx/gpcv2.c b/drivers/soc/imx/gpcv2.c
> index b0dffb06c05d..67c54cbb6c81 100644
> --- a/drivers/soc/imx/gpcv2.c
> +++ b/drivers/soc/imx/gpcv2.c
> @@ -641,6 +641,7 @@ static int imx_gpcv2_probe(struct platform_device *pdev)
>  static const struct of_device_id imx_gpcv2_dt_ids[] = {
>  	{ .compatible = "fsl,imx7d-gpc", .data = &imx7_pgc_domain_data, },
>  	{ .compatible = "fsl,imx8mq-gpc", .data = &imx8m_pgc_domain_data, },
> +	{ .compatible = "fsl,imx8mm-gpc", .data = &imx8m_pgc_domain_data, },

According to the 5.2.5.1 "PGC power domains" chapters in both the i.MX
8M Dual/8M QuadLite/8M Quad and i.MX 8M Mini Applications Processor
Reference Manuals (Rev.1), the two SoCs have a different list of power
domains:

i.MX8MQ:
	PGC_C0
	PGC_C1
	PGC_C2
	PGC_C3
	PGC_SCU
	PGC_MF
	PGC_OTG1
	PGC_OTG2
	PGC_PCIE
	PGC_MIPI
	PGC_DDR1
	PGC_DDR2
	PGC_VPU
	PGC_GPU
	PGC_HDMI
	PGC_DISP
	PGC_MIPI_CSI1
	PGC_MIPI_CSI2
	PGC_PCIE2

i.MX8MM:
	PGC_C0
	PGC_C1
	PGC_C2
	PGC_C3
	PGC_SCU
	PGC_NOC
	PGC_PCIE
	PGC_OTG1
	PGC_OTG2
	PGC_DDR1
	PGC_DISPMIX
	GPC_MIPI
	PGC_GPUMIX
	PGC_GPU_3D
	PGC_GPU_2D
	PGC_VPUMIX
	PGC_VPU_G1
	PGC_VPU_G2
	PGC_VPU_H1

regards
Philipp

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