Re: imx8 - gpc: Support IMX8 Lite

[Marco Felsch <m.felsch@pengutronix.de>]

Hi Hans,

the subject should be:

soc: imx: gpcv2: add i.MX8MP Lite support

On 23-03-15, Hans Christian Lonstad wrote:
> IMX8 Lite lacks some functionality and hence the corresponding
   ^
i.MX8MP Lite

> power domains (8, 11, 12, 13).
> This results in Barebox error messages and unfortunately a failed
> Linux kernel boot.
> Add a "Lite" specific table selected using device tree compatible
> clause.
> 
> Note that this should probably be related to the feature controller.

What did you mean by this note? Also do we need this support within
Linux as well?

> Signed-off-by: Hans Christian Lonstad <hcl@Datarespons.com>
> 
> diff --git a/drivers/soc/imx/gpcv2.c b/drivers/soc/imx/gpcv2.c
> index b662363f79..40998c42c5 100644
> --- a/drivers/soc/imx/gpcv2.c
> +++ b/drivers/soc/imx/gpcv2.c
> @@ -1053,6 +1053,192 @@ static const struct imx_pgc_domain imx8mp_pgc_domains[] = {
>  	},
>  };
>  
> +static const struct imx_pgc_domain imx8mpl_pgc_domains[] = {
> +	[IMX8MP_POWER_DOMAIN_MIPI_PHY1] = {
> +		.genpd = {
> +			.name = "mipi-phy1",
> +		},
> +		.bits = {
> +			.pxx = IMX8MP_MIPI_PHY1_SW_Pxx_REQ,
> +			.map = IMX8MP_MIPI_PHY1_A53_DOMAIN,
> +		},
> +		.pgc = BIT(IMX8MP_PGC_MIPI1),
> +	},
> +
> +	[IMX8MP_POWER_DOMAIN_PCIE_PHY] = {
> +		.genpd = {
> +			.name = "pcie-phy1",
> +		},
> +		.bits = {
> +			.pxx = IMX8MP_PCIE_PHY_SW_Pxx_REQ,
> +			.map = IMX8MP_PCIE_PHY_A53_DOMAIN,
> +		},
> +		.pgc = BIT(IMX8MP_PGC_PCIE),
> +	},
> +
> +	[IMX8MP_POWER_DOMAIN_USB1_PHY] = {
> +		.genpd = {
> +			.name = "usb-otg1",
> +		},
> +		.bits = {
> +			.pxx = IMX8MP_USB1_PHY_Pxx_REQ,
> +			.map = IMX8MP_USB1_PHY_A53_DOMAIN,
> +		},
> +		.pgc = BIT(IMX8MP_PGC_USB1),
> +	},
> +
> +	[IMX8MP_POWER_DOMAIN_USB2_PHY] = {
> +		.genpd = {
> +			.name = "usb-otg2",
> +		},
> +		.bits = {
> +			.pxx = IMX8MP_USB2_PHY_Pxx_REQ,
> +			.map = IMX8MP_USB2_PHY_A53_DOMAIN,
> +		},
> +		.pgc = BIT(IMX8MP_PGC_USB2),
> +	},
> +
> +	[IMX8MP_POWER_DOMAIN_MLMIX] = {
> +		.genpd = {
> +			.name = "mlmix",
> +		},
> +		.bits = {
> +			.pxx = IMX8MP_MLMIX_Pxx_REQ,
> +			.map = IMX8MP_MLMIX_A53_DOMAIN,
> +			.hskreq = IMX8MP_MLMIX_PWRDNREQN,
> +			.hskack = IMX8MP_MLMIX_PWRDNACKN,
> +		},
> +		.pgc = BIT(IMX8MP_PGC_MLMIX),
> +		.keep_clocks = true,
> +	},
> +
> +	[IMX8MP_POWER_DOMAIN_AUDIOMIX] = {
> +		.genpd = {
> +			.name = "audiomix",
> +		},
> +		.bits = {
> +			.pxx = IMX8MP_AUDIOMIX_Pxx_REQ,
> +			.map = IMX8MP_AUDIOMIX_A53_DOMAIN,
> +			.hskreq = IMX8MP_AUDIOMIX_PWRDNREQN,
> +			.hskack = IMX8MP_AUDIOMIX_PWRDNACKN,
> +		},
> +		.pgc = BIT(IMX8MP_PGC_AUDIOMIX),
> +		.keep_clocks = true,
> +	},
> +
> +	[IMX8MP_POWER_DOMAIN_GPU2D] = {
> +		.genpd = {
> +			.name = "gpu2d",
> +		},
> +		.bits = {
> +			.pxx = IMX8MP_GPU_2D_Pxx_REQ,
> +			.map = IMX8MP_GPU2D_A53_DOMAIN,
> +		},
> +		.pgc = BIT(IMX8MP_PGC_GPU2D),
> +	},
> +
> +	[IMX8MP_POWER_DOMAIN_GPUMIX] = {
> +		.genpd = {
> +			.name = "gpumix",
> +		},
> +		.bits = {
> +			.pxx = IMX8MP_GPU_SHARE_LOGIC_Pxx_REQ,
> +			.map = IMX8MP_GPUMIX_A53_DOMAIN,
> +			.hskreq = IMX8MP_GPUMIX_PWRDNREQN,
> +			.hskack = IMX8MP_GPUMIX_PWRDNACKN,
> +		},
> +		.pgc = BIT(IMX8MP_PGC_GPUMIX),
> +		.keep_clocks = true,
> +	},
> +
> +	[IMX8MP_POWER_DOMAIN_GPU3D] = {
> +		.genpd = {
> +			.name = "gpu3d",
> +		},
> +		.bits = {
> +			.pxx = IMX8MP_GPU_3D_Pxx_REQ,
> +			.map = IMX8MP_GPU3D_A53_DOMAIN,
> +		},
> +		.pgc = BIT(IMX8MP_PGC_GPU3D),
> +	},
> +
> +	[IMX8MP_POWER_DOMAIN_MEDIAMIX] = {
> +		.genpd = {
> +			.name = "mediamix",
> +		},
> +		.bits = {
> +			.pxx = IMX8MP_MEDIMIX_Pxx_REQ,
> +			.map = IMX8MP_MEDIAMIX_A53_DOMAIN,
> +			.hskreq = IMX8MP_MEDIAMIX_PWRDNREQN,
> +			.hskack = IMX8MP_MEDIAMIX_PWRDNACKN,
> +		},
> +		.pgc = BIT(IMX8MP_PGC_MEDIAMIX),
> +		.keep_clocks = true,
> +	},
> +
> +	[IMX8MP_POWER_DOMAIN_HDMIMIX] = {
> +		.genpd = {
> +			.name = "hdmimix",
> +		},
> +		.bits = {
> +			.pxx = IMX8MP_HDMIMIX_Pxx_REQ,
> +			.map = IMX8MP_HDMIMIX_A53_DOMAIN,
> +			.hskreq = IMX8MP_HDMIMIX_PWRDNREQN,
> +			.hskack = IMX8MP_HDMIMIX_PWRDNACKN,
> +		},
> +		.pgc = BIT(IMX8MP_PGC_HDMIMIX),
> +		.keep_clocks = true,
> +	},
> +
> +	[IMX8MP_POWER_DOMAIN_HDMI_PHY] = {
> +		.genpd = {
> +			.name = "hdmi-phy",
> +		},
> +		.bits = {
> +			.pxx = IMX8MP_HDMI_PHY_Pxx_REQ,
> +			.map = IMX8MP_HDMI_PHY_A53_DOMAIN,
> +		},
> +		.pgc = BIT(IMX8MP_PGC_HDMI),
> +	},
> +
> +	[IMX8MP_POWER_DOMAIN_MIPI_PHY2] = {
> +		.genpd = {
> +			.name = "mipi-phy2",
> +		},
> +		.bits = {
> +			.pxx = IMX8MP_MIPI_PHY2_Pxx_REQ,
> +			.map = IMX8MP_MIPI_PHY2_A53_DOMAIN,
> +		},
> +		.pgc = BIT(IMX8MP_PGC_MIPI2),
> +	},
> +
> +	[IMX8MP_POWER_DOMAIN_HSIOMIX] = {
> +		.genpd = {
> +			.name = "hsiomix",
> +		},
> +		.bits = {
> +			.pxx = IMX8MP_HSIOMIX_Pxx_REQ,
> +			.map = IMX8MP_HSIOMIX_A53_DOMAIN,
> +			.hskreq = IMX8MP_HSIOMIX_PWRDNREQN,
> +			.hskack = IMX8MP_HSIOMIX_PWRDNACKN,
> +		},
> +		.pgc = BIT(IMX8MP_PGC_HSIOMIX),
> +		.keep_clocks = true,
> +	},
> +
> +	[IMX8MP_POWER_DOMAIN_MEDIAMIX_ISPDWP] = {
> +		.genpd = {
> +			.name = "mediamix-isp-dwp",
> +		},
> +		.bits = {
> +			.pxx = IMX8MP_MEDIA_ISP_DWP_Pxx_REQ,
> +			.map = IMX8MP_MEDIA_ISPDWP_A53_DOMAIN,
> +		},
> +		.pgc = BIT(IMX8MP_PGC_MEDIA_ISP_DWP),
> +	},
> +};
> +
> +

delete one.

>  static const struct imx_pgc_regs imx8mp_pgc_regs = {
>  	.map = IMX8MP_GPC_PGC_CPU_MAPPING,
>  	.pup = IMX8MP_GPC_PU_PGC_SW_PUP_REQ,
> @@ -1065,6 +1251,12 @@ static const struct imx_pgc_domain_data imx8mp_pgc_domain_data = {
>  	.pgc_regs = &imx8mp_pgc_regs,
>  };
>  
> +static const struct imx_pgc_domain_data imx8mpl_pgc_domain_data = {
> +	.domains = imx8mpl_pgc_domains,
> +	.domains_num = ARRAY_SIZE(imx8mpl_pgc_domains),
> +	.pgc_regs = &imx8mp_pgc_regs,
> +};
> +
>  static const struct imx_pgc_domain imx8mn_pgc_domains[] = {
>  	[IMX8MN_POWER_DOMAIN_HSIOMIX] = {
>  		.genpd = {
> @@ -1302,6 +1494,7 @@ static const struct of_device_id imx_gpcv2_dt_ids[] = {
>  	{ .compatible = "fsl,imx8mm-gpc", .data = &imx8mm_pgc_domain_data, },
>  	{ .compatible = "fsl,imx8mn-gpc", .data = &imx8mn_pgc_domain_data, },
>  	{ .compatible = "fsl,imx8mp-gpc", .data = &imx8mp_pgc_domain_data, },
> +	{ .compatible = "fsl,imx8mpl-gpc", .data = &imx8mpl_pgc_domain_data, },
				^
This compatible is does not exist.

Regards,
  Marco

>  	{ .compatible = "fsl,imx8mq-gpc", .data = &imx8m_pgc_domain_data, },
>  	{ }
>  };
> 
>