Re: [PATCH v4 1/4] soc: mediatek: Refine scpsys to support multiple platform

From: Yingjoe Chen
Date: Wed Jan 20 2016 - 04:14:26 EST


On Wed, 2016-01-20 at 14:08 +0800, James Liao wrote:
> Refine scpsys driver common code to support multiple SoC / platform.
>
> Signed-off-by: James Liao <jamesjj.liao@xxxxxxxxxxxx>
<...>
> diff --git a/drivers/soc/mediatek/mtk-scpsys.h b/drivers/soc/mediatek/mtk-scpsys.h
> new file mode 100644
> index 0000000..e435bc3
> --- /dev/null
> +++ b/drivers/soc/mediatek/mtk-scpsys.h
> @@ -0,0 +1,55 @@
> +#ifndef __DRV_SOC_MTK_H
> +#define __DRV_SOC_MTK_H
> +
> +enum clk_id {
> + CLK_NONE,
> + CLK_MM,
> + CLK_MFG,
> + CLK_VENC,
> + CLK_VENC_LT,
> + CLK_MAX,
> +};
> +
> +#define MAX_CLKS 2
> +
> +struct scp_domain_data {
> + const char *name;
> + u32 sta_mask;
> + int ctl_offs;
> + u32 sram_pdn_bits;
> + u32 sram_pdn_ack_bits;
> + u32 bus_prot_mask;
> + enum clk_id clk_id[MAX_CLKS];
> + bool active_wakeup;
> +};
> +
> +struct scp;
> +
> +struct scp_domain {
> + struct generic_pm_domain genpd;
> + struct scp *scp;
> + struct clk *clk[MAX_CLKS];
> + u32 sta_mask;
> + void __iomem *ctl_addr;
> + u32 sram_pdn_bits;
> + u32 sram_pdn_ack_bits;
> + u32 bus_prot_mask;
> + bool active_wakeup;
> + struct regulator *supply;
> +};
> +
> +struct scp {
> + struct scp_domain *domains;
> + struct genpd_onecell_data pd_data;
> + struct device *dev;
> + void __iomem *base;
> + struct regmap *infracfg;
> +};
> +
> +struct scp *init_scp(struct platform_device *pdev,
> + const struct scp_domain_data *scp_domain_data, int num);
> +
> +void mtk_register_power_domains(struct platform_device *pdev,
> + struct scp *scp, int num);
> +
> +#endif /* __DRV_SOC_MTK_H */

After merge, only mtk-scpsys.c will use this file. I think it make sense
to just include them in mtk-scpsys.c. Also init_scp and
mtk_register_power_domains can be static now.

Joe.C