Re: [PATCH v8 2/4] soc: mediatek: add MT6765 scpsys and subdomain support

Matthias Brugger
2021-04-06T14:01:09Z

On 21/02/2020 11:12, Macpaul Lin wrote:
> From: Mars Cheng <mars.cheng@mediatek.com>
>
> This adds scpsys support for MT6765
> Add subdomain support for MT6765:
> isp, mm, connsys, mfg, and cam.
>
> Signed-off-by: Mars Cheng <mars.cheng@mediatek.com>
> Signed-off-by: Owen Chen <owen.chen@mediatek.com>
> Signed-off-by: Macpaul Lin <macpaul.lin@mediatek.com>
> ---
> drivers/soc/mediatek/mtk-scpsys.c | 130 +++++++++++++++++++++++++++++++++++++
> 1 file changed, 130 insertions(+)
>

Unfortunately scpsys is deprecated in the meantime. Please port you patches to
the new mtk-pm-domains.c driver. The biggest difference is, that the domain and
subdomain structure of the pm domains is describe in device tree instead of
hard-coded in the driver.

Regards,
Matthias

> diff --git a/drivers/soc/mediatek/mtk-scpsys.c b/drivers/soc/mediatek/mtk-scpsys.c
> index f669d37..9940c6d 100644
> --- a/drivers/soc/mediatek/mtk-scpsys.c
> +++ b/drivers/soc/mediatek/mtk-scpsys.c
> @@ -15,6 +15,7 @@
>
> #include <dt-bindings/power/mt2701-power.h>
> #include <dt-bindings/power/mt2712-power.h>
> +#include <dt-bindings/power/mt6765-power.h>
> #include <dt-bindings/power/mt6797-power.h>
> #include <dt-bindings/power/mt7622-power.h>
> #include <dt-bindings/power/mt7623a-power.h>
> @@ -750,6 +751,120 @@ static void mtk_register_power_domains(struct platform_device *pdev,
> };
>
> /*
> + * MT6765 power domain support
> + */
> +#define SPM_PWR_STATUS_MT6765 0x0180
> +#define SPM_PWR_STATUS_2ND_MT6765 0x0184
> +
> +static const struct scp_domain_data scp_domain_data_mt6765[] = {
> + [MT6765_POWER_DOMAIN_VCODEC] = {
> + .name = "vcodec",
> + .sta_mask = BIT(26),
> + .ctl_offs = 0x300,
> + .sram_pdn_bits = GENMASK(8, 8),
> + .sram_pdn_ack_bits = GENMASK(12, 12),
> + },
> + [MT6765_POWER_DOMAIN_ISP] = {
> + .name = "isp",
> + .sta_mask = BIT(5),
> + .ctl_offs = 0x308,
> + .sram_pdn_bits = GENMASK(8, 8),
> + .sram_pdn_ack_bits = GENMASK(12, 12),
> + .subsys_clk_prefix = "isp",
> + .bp_table = {
> + BUS_PROT(IFR_TYPE, 0x2A8, 0x2AC, 0, 0x258,
> + BIT(20), BIT(20)),
> + BUS_PROT(SMI_TYPE, 0x3C4, 0x3C8, 0, 0x3C0,
> + BIT(2), BIT(2)),
> + },
> + },
> + [MT6765_POWER_DOMAIN_MM] = {
> + .name = "mm",
> + .sta_mask = BIT(3),
> + .ctl_offs = 0x30C,
> + .sram_pdn_bits = GENMASK(8, 8),
> + .sram_pdn_ack_bits = GENMASK(12, 12),
> + .basic_clk_id = {"mm"},
> + .subsys_clk_prefix = "mm",
> + .bp_table = {
> + BUS_PROT(IFR_TYPE, 0x2A8, 0x2AC, 0, 0x258,
> + BIT(16) | BIT(17), BIT(16) | BIT(17)),
> + BUS_PROT(IFR_TYPE, 0x2A0, 0x2A4, 0, 0x228,
> + BIT(10) | BIT(11), BIT(10) | BIT(11)),
> + BUS_PROT(IFR_TYPE, 0x2A0, 0x2A4, 0, 0x228,
> + BIT(1) | BIT(2), BIT(1) | BIT(2)),
> + },
> + },
> + [MT6765_POWER_DOMAIN_CONN] = {
> + .name = "conn",
> + .sta_mask = BIT(1),
> + .ctl_offs = 0x32C,
> + .sram_pdn_bits = 0,
> + .sram_pdn_ack_bits = 0,
> + .bp_table = {
> + BUS_PROT(IFR_TYPE, 0x2A0, 0x2A4, 0, 0x228,
> + BIT(13), BIT(13)),
> + BUS_PROT(IFR_TYPE, 0x2A8, 0x2AC, 0, 0x258,
> + BIT(18), BIT(18)),
> + BUS_PROT(IFR_TYPE, 0x2A0, 0x2A4, 0, 0x228,
> + BIT(14) | BIT(16), BIT(14) | BIT(16)),
> + },
> + },
> + [MT6765_POWER_DOMAIN_MFG_ASYNC] = {
> + .name = "mfg_async",
> + .sta_mask = BIT(23),
> + .ctl_offs = 0x334,
> + .sram_pdn_bits = 0,
> + .sram_pdn_ack_bits = 0,
> + .basic_clk_id = {"mfg"},
> + },
> + [MT6765_POWER_DOMAIN_MFG] = {
> + .name = "mfg",
> + .sta_mask = BIT(4),
> + .ctl_offs = 0x338,
> + .sram_pdn_bits = GENMASK(8, 8),
> + .sram_pdn_ack_bits = GENMASK(12, 12),
> + .bp_table = {
> + BUS_PROT(IFR_TYPE, 0x2A0, 0x2A4, 0, 0x228,
> + BIT(25), BIT(25)),
> + BUS_PROT(IFR_TYPE, 0x2A0, 0x2A4, 0, 0x228,
> + BIT(21) | BIT(22), BIT(21) | BIT(22)),
> + }
> + },
> + [MT6765_POWER_DOMAIN_CAM] = {
> + .name = "cam",
> + .sta_mask = BIT(25),
> + .ctl_offs = 0x344,
> + .sram_pdn_bits = GENMASK(8, 9),
> + .sram_pdn_ack_bits = GENMASK(12, 13),
> + .subsys_clk_prefix = "cam",
> + .bp_table = {
> + BUS_PROT(IFR_TYPE, 0x2A8, 0x2AC, 0, 0x258,
> + BIT(19) | BIT(21), BIT(19) | BIT(21)),
> + BUS_PROT(IFR_TYPE, 0x2A0, 0x2A4, 0, 0x228,
> + BIT(20), BIT(20)),
> + BUS_PROT(SMI_TYPE, 0x3C4, 0x3C8, 0, 0x3C0,
> + BIT(3), BIT(3)),
> + }
> + },
> + [MT6765_POWER_DOMAIN_MFG_CORE0] = {
> + .name = "mfg_core0",
> + .sta_mask = BIT(7),
> + .ctl_offs = 0x34C,
> + .sram_pdn_bits = GENMASK(8, 8),
> + .sram_pdn_ack_bits = GENMASK(12, 12),
> + },
> +};
> +
> +static const struct scp_subdomain scp_subdomain_mt6765[] = {
> + {MT6765_POWER_DOMAIN_MM, MT6765_POWER_DOMAIN_CAM},
> + {MT6765_POWER_DOMAIN_MM, MT6765_POWER_DOMAIN_ISP},
> + {MT6765_POWER_DOMAIN_MM, MT6765_POWER_DOMAIN_VCODEC},
> + {MT6765_POWER_DOMAIN_MFG_ASYNC, MT6765_POWER_DOMAIN_MFG},
> + {MT6765_POWER_DOMAIN_MFG, MT6765_POWER_DOMAIN_MFG_CORE0},
> +};
> +
> +/*
> * MT6797 power domain support
> */
>
> @@ -1032,6 +1147,18 @@ static void mtk_register_power_domains(struct platform_device *pdev,
> .bus_prot_reg_update = false,
> };
>
> +static const struct scp_soc_data mt6765_data = {
> + .domains = scp_domain_data_mt6765,
> + .num_domains = ARRAY_SIZE(scp_domain_data_mt6765),
> + .subdomains = scp_subdomain_mt6765,
> + .num_subdomains = ARRAY_SIZE(scp_subdomain_mt6765),
> + .regs = {
> + .pwr_sta_offs = SPM_PWR_STATUS_MT6765,
> + .pwr_sta2nd_offs = SPM_PWR_STATUS_2ND_MT6765,
> + },
> + .bus_prot_reg_update = true,
> +};
> +
> static const struct scp_soc_data mt6797_data = {
> .domains = scp_domain_data_mt6797,
> .num_domains = ARRAY_SIZE(scp_domain_data_mt6797),
> @@ -1088,6 +1215,9 @@ static void mtk_register_power_domains(struct platform_device *pdev,
> .compatible = "mediatek,mt2712-scpsys",
> .data = &mt2712_data,
> }, {
> + .compatible = "mediatek,mt6765-scpsys",
> + .data = &mt6765_data,
> + }, {
> .compatible = "mediatek,mt6797-scpsys",
> .data = &mt6797_data,
> }, {
>