diff mbox series

[v3,04/16] soc: mediatek: pm-domains: Add bus protection protocol

Message ID 20201026175526.2915399-5-enric.balletbo@collabora.com (mailing list archive)
State New, archived
Headers show
Series soc: mediatek: pm-domains: Add new driver for SCPSYS power domains controller | expand

Commit Message

Enric Balletbo i Serra Oct. 26, 2020, 5:55 p.m. UTC
From: Matthias Brugger <mbrugger@suse.com>

Bus protection will need to update more then one register
in infracfg. Add support for several operations.

Signed-off-by: Matthias Brugger <mbrugger@suse.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
---

Changes in v3: None
Changes in v2: None

 drivers/soc/mediatek/mt8173-pm-domains.h |  4 +--
 drivers/soc/mediatek/mtk-pm-domains.c    | 36 +++++++++++++++++-------
 drivers/soc/mediatek/mtk-pm-domains.h    |  4 ++-
 3 files changed, 31 insertions(+), 13 deletions(-)

Comments

Nicolas Boichat Oct. 27, 2020, 12:58 a.m. UTC | #1
On Tue, Oct 27, 2020 at 1:55 AM Enric Balletbo i Serra
<enric.balletbo@collabora.com> wrote:
>
> From: Matthias Brugger <mbrugger@suse.com>
>
> Bus protection will need to update more then one register
> in infracfg. Add support for several operations.
>
> Signed-off-by: Matthias Brugger <mbrugger@suse.com>
> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>

Reviewed-by: Nicolas Boichat <drinkcat@chromium.org>

> ---
>
> Changes in v3: None
> Changes in v2: None
>
>  drivers/soc/mediatek/mt8173-pm-domains.h |  4 +--
>  drivers/soc/mediatek/mtk-pm-domains.c    | 36 +++++++++++++++++-------
>  drivers/soc/mediatek/mtk-pm-domains.h    |  4 ++-
>  3 files changed, 31 insertions(+), 13 deletions(-)
>
> diff --git a/drivers/soc/mediatek/mt8173-pm-domains.h b/drivers/soc/mediatek/mt8173-pm-domains.h
> index a2a624bbd8b8..341cc287c8ce 100644
> --- a/drivers/soc/mediatek/mt8173-pm-domains.h
> +++ b/drivers/soc/mediatek/mt8173-pm-domains.h
> @@ -34,7 +34,7 @@ static const struct scpsys_domain_data scpsys_domain_data_mt8173[] = {
>                 .ctl_offs = SPM_DIS_PWR_CON,
>                 .sram_pdn_bits = GENMASK(11, 8),
>                 .sram_pdn_ack_bits = GENMASK(12, 12),
> -               .bp_infracfg = {
> +               .bp_infracfg[0] = {
>                         .bus_prot_reg_update = true,
>                         .bus_prot_mask = MT8173_TOP_AXI_PROT_EN_MM_M0 |
>                                 MT8173_TOP_AXI_PROT_EN_MM_M1,
> @@ -76,7 +76,7 @@ static const struct scpsys_domain_data scpsys_domain_data_mt8173[] = {
>                 .ctl_offs = SPM_MFG_PWR_CON,
>                 .sram_pdn_bits = GENMASK(13, 8),
>                 .sram_pdn_ack_bits = GENMASK(21, 16),
> -               .bp_infracfg = {
> +               .bp_infracfg[0] = {
>                         .bus_prot_reg_update = true,
>                         .bus_prot_mask = MT8173_TOP_AXI_PROT_EN_MFG_S |
>                                 MT8173_TOP_AXI_PROT_EN_MFG_M0 |
> diff --git a/drivers/soc/mediatek/mtk-pm-domains.c b/drivers/soc/mediatek/mtk-pm-domains.c
> index 16503d6db6a8..2121e05cb9a4 100644
> --- a/drivers/soc/mediatek/mtk-pm-domains.c
> +++ b/drivers/soc/mediatek/mtk-pm-domains.c
> @@ -89,24 +89,40 @@ static int scpsys_sram_disable(struct scpsys_domain *pd)
>
>  static int scpsys_bus_protect_enable(struct scpsys_domain *pd)
>  {
> -       const struct scpsys_bus_prot_data *bp_data = &pd->data->bp_infracfg;
> +       const struct scpsys_bus_prot_data *bpd = pd->data->bp_infracfg;
> +       int i, ret;
>
> -       if (!bp_data->bus_prot_mask)
> -               return 0;
> +       for (i = 0; i < SPM_MAX_BUS_PROT_DATA; i++) {
> +               if (!bpd[i].bus_prot_mask)
> +                       break;
>
> -       return mtk_infracfg_set_bus_protection(pd->infracfg, bp_data->bus_prot_mask,
> -                                              bp_data->bus_prot_reg_update);
> +               ret = mtk_infracfg_set_bus_protection(pd->infracfg,
> +                                                     bpd[i].bus_prot_mask,
> +                                                     bpd[i].bus_prot_reg_update);
> +               if (ret)
> +                       return ret;
> +       }
> +
> +       return 0;
>  }
>
>  static int scpsys_bus_protect_disable(struct scpsys_domain *pd)
>  {
> -       const struct scpsys_bus_prot_data *bp_data = &pd->data->bp_infracfg;
> +       const struct scpsys_bus_prot_data *bpd = pd->data->bp_infracfg;
> +       int i, ret;
>
> -       if (!bp_data->bus_prot_mask)
> -               return 0;
> +       for (i = 0; i < SPM_MAX_BUS_PROT_DATA; i++) {
> +               if (!bpd[i].bus_prot_mask)
> +                       return 0;
>
> -       return mtk_infracfg_clear_bus_protection(pd->infracfg, bp_data->bus_prot_mask,
> -                                                bp_data->bus_prot_reg_update);
> +               ret = mtk_infracfg_clear_bus_protection(pd->infracfg,
> +                                                       bpd[i].bus_prot_mask,
> +                                                       bpd[i].bus_prot_reg_update);
> +               if (ret)
> +                       return ret;
> +       }
> +
> +       return 0;
>  }
>
>  static int scpsys_power_on(struct generic_pm_domain *genpd)
> diff --git a/drivers/soc/mediatek/mtk-pm-domains.h b/drivers/soc/mediatek/mtk-pm-domains.h
> index 7c8efcb3cef2..e428fe23a7e3 100644
> --- a/drivers/soc/mediatek/mtk-pm-domains.h
> +++ b/drivers/soc/mediatek/mtk-pm-domains.h
> @@ -32,6 +32,8 @@
>  #define PWR_STATUS_AUDIO               BIT(24)
>  #define PWR_STATUS_USB                 BIT(25)
>
> +#define SPM_MAX_BUS_PROT_DATA          3
> +
>  struct scpsys_bus_prot_data {
>         u32 bus_prot_mask;
>         bool bus_prot_reg_update;
> @@ -52,7 +54,7 @@ struct scpsys_domain_data {
>         u32 sram_pdn_bits;
>         u32 sram_pdn_ack_bits;
>         u8 caps;
> -       const struct scpsys_bus_prot_data bp_infracfg;
> +       const struct scpsys_bus_prot_data bp_infracfg[SPM_MAX_BUS_PROT_DATA];
>  };
>
>  struct scpsys_soc_data {
> --
> 2.28.0
>
Weiyi Lu Oct. 27, 2020, 11:07 a.m. UTC | #2
On Mon, 2020-10-26 at 18:55 +0100, Enric Balletbo i Serra wrote:
> From: Matthias Brugger <mbrugger@suse.com>
> 
> Bus protection will need to update more then one register
> in infracfg. Add support for several operations.
> 
> Signed-off-by: Matthias Brugger <mbrugger@suse.com>
> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
> ---
> 
> Changes in v3: None
> Changes in v2: None
> 
>  drivers/soc/mediatek/mt8173-pm-domains.h |  4 +--
>  drivers/soc/mediatek/mtk-pm-domains.c    | 36 +++++++++++++++++-------
>  drivers/soc/mediatek/mtk-pm-domains.h    |  4 ++-
>  3 files changed, 31 insertions(+), 13 deletions(-)
> 
> diff --git a/drivers/soc/mediatek/mt8173-pm-domains.h b/drivers/soc/mediatek/mt8173-pm-domains.h
> index a2a624bbd8b8..341cc287c8ce 100644
> --- a/drivers/soc/mediatek/mt8173-pm-domains.h
> +++ b/drivers/soc/mediatek/mt8173-pm-domains.h
> @@ -34,7 +34,7 @@ static const struct scpsys_domain_data scpsys_domain_data_mt8173[] = {
>  		.ctl_offs = SPM_DIS_PWR_CON,
>  		.sram_pdn_bits = GENMASK(11, 8),
>  		.sram_pdn_ack_bits = GENMASK(12, 12),
> -		.bp_infracfg = {
> +		.bp_infracfg[0] = {
>  			.bus_prot_reg_update = true,
>  			.bus_prot_mask = MT8173_TOP_AXI_PROT_EN_MM_M0 |
>  				MT8173_TOP_AXI_PROT_EN_MM_M1,
> @@ -76,7 +76,7 @@ static const struct scpsys_domain_data scpsys_domain_data_mt8173[] = {
>  		.ctl_offs = SPM_MFG_PWR_CON,
>  		.sram_pdn_bits = GENMASK(13, 8),
>  		.sram_pdn_ack_bits = GENMASK(21, 16),
> -		.bp_infracfg = {
> +		.bp_infracfg[0] = {
>  			.bus_prot_reg_update = true,
>  			.bus_prot_mask = MT8173_TOP_AXI_PROT_EN_MFG_S |
>  				MT8173_TOP_AXI_PROT_EN_MFG_M0 |
> diff --git a/drivers/soc/mediatek/mtk-pm-domains.c b/drivers/soc/mediatek/mtk-pm-domains.c
> index 16503d6db6a8..2121e05cb9a4 100644
> --- a/drivers/soc/mediatek/mtk-pm-domains.c
> +++ b/drivers/soc/mediatek/mtk-pm-domains.c
> @@ -89,24 +89,40 @@ static int scpsys_sram_disable(struct scpsys_domain *pd)
>  
>  static int scpsys_bus_protect_enable(struct scpsys_domain *pd)
>  {
> -	const struct scpsys_bus_prot_data *bp_data = &pd->data->bp_infracfg;
> +	const struct scpsys_bus_prot_data *bpd = pd->data->bp_infracfg;
> +	int i, ret;
>  
> -	if (!bp_data->bus_prot_mask)
> -		return 0;
> +	for (i = 0; i < SPM_MAX_BUS_PROT_DATA; i++) {
> +		if (!bpd[i].bus_prot_mask)
> +			break;
>  
> -	return mtk_infracfg_set_bus_protection(pd->infracfg, bp_data->bus_prot_mask,
> -					       bp_data->bus_prot_reg_update);
> +		ret = mtk_infracfg_set_bus_protection(pd->infracfg,
> +						      bpd[i].bus_prot_mask,
> +						      bpd[i].bus_prot_reg_update);
> +		if (ret)
> +			return ret;
> +	}
> +
> +	return 0;
>  }
>  
>  static int scpsys_bus_protect_disable(struct scpsys_domain *pd)
>  {
> -	const struct scpsys_bus_prot_data *bp_data = &pd->data->bp_infracfg;
> +	const struct scpsys_bus_prot_data *bpd = pd->data->bp_infracfg;
> +	int i, ret;
>  
> -	if (!bp_data->bus_prot_mask)
> -		return 0;
> +	for (i = 0; i < SPM_MAX_BUS_PROT_DATA; i++) {

I thought it should be

for (i = SPM_MAX_BUS_PROT_DATA - 1; i > 0; i--) {
	if (!bpd[i].bus_prot_mask)
		continue;

...

> +		if (!bpd[i].bus_prot_mask)
> +			return 0;
>  
> -	return mtk_infracfg_clear_bus_protection(pd->infracfg, bp_data->bus_prot_mask,
> -						 bp_data->bus_prot_reg_update);
> +		ret = mtk_infracfg_clear_bus_protection(pd->infracfg,
> +							bpd[i].bus_prot_mask,
> +							bpd[i].bus_prot_reg_update);
> +		if (ret)
> +			return ret;
> +	}
> +
> +	return 0;
>  }
>  
>  static int scpsys_power_on(struct generic_pm_domain *genpd)
> diff --git a/drivers/soc/mediatek/mtk-pm-domains.h b/drivers/soc/mediatek/mtk-pm-domains.h
> index 7c8efcb3cef2..e428fe23a7e3 100644
> --- a/drivers/soc/mediatek/mtk-pm-domains.h
> +++ b/drivers/soc/mediatek/mtk-pm-domains.h
> @@ -32,6 +32,8 @@
>  #define PWR_STATUS_AUDIO		BIT(24)
>  #define PWR_STATUS_USB			BIT(25)
>  
> +#define SPM_MAX_BUS_PROT_DATA		3
> +

#define SPM_MAX_BUS_PROT_DATA		5

to be compatible with MT8192

>  struct scpsys_bus_prot_data {
>  	u32 bus_prot_mask;
>  	bool bus_prot_reg_update;
> @@ -52,7 +54,7 @@ struct scpsys_domain_data {
>  	u32 sram_pdn_bits;
>  	u32 sram_pdn_ack_bits;
>  	u8 caps;
> -	const struct scpsys_bus_prot_data bp_infracfg;
> +	const struct scpsys_bus_prot_data bp_infracfg[SPM_MAX_BUS_PROT_DATA];
>  };
>  
>  struct scpsys_soc_data {
Enric Balletbo i Serra Oct. 30, 2020, 10:55 a.m. UTC | #3
Hi Weiyi Lu,

Many thanks for your comments.

On 27/10/20 12:07, Weiyi Lu wrote:
> On Mon, 2020-10-26 at 18:55 +0100, Enric Balletbo i Serra wrote:
>> From: Matthias Brugger <mbrugger@suse.com>
>>
>> Bus protection will need to update more then one register
>> in infracfg. Add support for several operations.
>>
>> Signed-off-by: Matthias Brugger <mbrugger@suse.com>
>> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
>> ---
>>
>> Changes in v3: None
>> Changes in v2: None
>>
>>  drivers/soc/mediatek/mt8173-pm-domains.h |  4 +--
>>  drivers/soc/mediatek/mtk-pm-domains.c    | 36 +++++++++++++++++-------
>>  drivers/soc/mediatek/mtk-pm-domains.h    |  4 ++-
>>  3 files changed, 31 insertions(+), 13 deletions(-)
>>
>> diff --git a/drivers/soc/mediatek/mt8173-pm-domains.h b/drivers/soc/mediatek/mt8173-pm-domains.h
>> index a2a624bbd8b8..341cc287c8ce 100644
>> --- a/drivers/soc/mediatek/mt8173-pm-domains.h
>> +++ b/drivers/soc/mediatek/mt8173-pm-domains.h
>> @@ -34,7 +34,7 @@ static const struct scpsys_domain_data scpsys_domain_data_mt8173[] = {
>>  		.ctl_offs = SPM_DIS_PWR_CON,
>>  		.sram_pdn_bits = GENMASK(11, 8),
>>  		.sram_pdn_ack_bits = GENMASK(12, 12),
>> -		.bp_infracfg = {
>> +		.bp_infracfg[0] = {
>>  			.bus_prot_reg_update = true,
>>  			.bus_prot_mask = MT8173_TOP_AXI_PROT_EN_MM_M0 |
>>  				MT8173_TOP_AXI_PROT_EN_MM_M1,
>> @@ -76,7 +76,7 @@ static const struct scpsys_domain_data scpsys_domain_data_mt8173[] = {
>>  		.ctl_offs = SPM_MFG_PWR_CON,
>>  		.sram_pdn_bits = GENMASK(13, 8),
>>  		.sram_pdn_ack_bits = GENMASK(21, 16),
>> -		.bp_infracfg = {
>> +		.bp_infracfg[0] = {
>>  			.bus_prot_reg_update = true,
>>  			.bus_prot_mask = MT8173_TOP_AXI_PROT_EN_MFG_S |
>>  				MT8173_TOP_AXI_PROT_EN_MFG_M0 |
>> diff --git a/drivers/soc/mediatek/mtk-pm-domains.c b/drivers/soc/mediatek/mtk-pm-domains.c
>> index 16503d6db6a8..2121e05cb9a4 100644
>> --- a/drivers/soc/mediatek/mtk-pm-domains.c
>> +++ b/drivers/soc/mediatek/mtk-pm-domains.c
>> @@ -89,24 +89,40 @@ static int scpsys_sram_disable(struct scpsys_domain *pd)
>>  
>>  static int scpsys_bus_protect_enable(struct scpsys_domain *pd)
>>  {
>> -	const struct scpsys_bus_prot_data *bp_data = &pd->data->bp_infracfg;
>> +	const struct scpsys_bus_prot_data *bpd = pd->data->bp_infracfg;
>> +	int i, ret;
>>  
>> -	if (!bp_data->bus_prot_mask)
>> -		return 0;
>> +	for (i = 0; i < SPM_MAX_BUS_PROT_DATA; i++) {
>> +		if (!bpd[i].bus_prot_mask)
>> +			break;
>>  
>> -	return mtk_infracfg_set_bus_protection(pd->infracfg, bp_data->bus_prot_mask,
>> -					       bp_data->bus_prot_reg_update);
>> +		ret = mtk_infracfg_set_bus_protection(pd->infracfg,
>> +						      bpd[i].bus_prot_mask,
>> +						      bpd[i].bus_prot_reg_update);
>> +		if (ret)
>> +			return ret;
>> +	}
>> +
>> +	return 0;
>>  }
>>  
>>  static int scpsys_bus_protect_disable(struct scpsys_domain *pd)
>>  {
>> -	const struct scpsys_bus_prot_data *bp_data = &pd->data->bp_infracfg;
>> +	const struct scpsys_bus_prot_data *bpd = pd->data->bp_infracfg;
>> +	int i, ret;
>>  
>> -	if (!bp_data->bus_prot_mask)
>> -		return 0;
>> +	for (i = 0; i < SPM_MAX_BUS_PROT_DATA; i++) {
> 
> I thought it should be
> 
> for (i = SPM_MAX_BUS_PROT_DATA - 1; i > 0; i--) {
> 	if (!bpd[i].bus_prot_mask)
> 		continue;
> 

Done.

> ...
> 
>> +		if (!bpd[i].bus_prot_mask)
>> +			return 0;
>>  
>> -	return mtk_infracfg_clear_bus_protection(pd->infracfg, bp_data->bus_prot_mask,
>> -						 bp_data->bus_prot_reg_update);
>> +		ret = mtk_infracfg_clear_bus_protection(pd->infracfg,
>> +							bpd[i].bus_prot_mask,
>> +							bpd[i].bus_prot_reg_update);
>> +		if (ret)
>> +			return ret;
>> +	}
>> +
>> +	return 0;
>>  }
>>  
>>  static int scpsys_power_on(struct generic_pm_domain *genpd)
>> diff --git a/drivers/soc/mediatek/mtk-pm-domains.h b/drivers/soc/mediatek/mtk-pm-domains.h
>> index 7c8efcb3cef2..e428fe23a7e3 100644
>> --- a/drivers/soc/mediatek/mtk-pm-domains.h
>> +++ b/drivers/soc/mediatek/mtk-pm-domains.h
>> @@ -32,6 +32,8 @@
>>  #define PWR_STATUS_AUDIO		BIT(24)
>>  #define PWR_STATUS_USB			BIT(25)
>>  
>> +#define SPM_MAX_BUS_PROT_DATA		3
>> +
> 
> #define SPM_MAX_BUS_PROT_DATA		5
> 
> to be compatible with MT8192
> 

Done.

>>  struct scpsys_bus_prot_data {
>>  	u32 bus_prot_mask;
>>  	bool bus_prot_reg_update;
>> @@ -52,7 +54,7 @@ struct scpsys_domain_data {
>>  	u32 sram_pdn_bits;
>>  	u32 sram_pdn_ack_bits;
>>  	u8 caps;
>> -	const struct scpsys_bus_prot_data bp_infracfg;
>> +	const struct scpsys_bus_prot_data bp_infracfg[SPM_MAX_BUS_PROT_DATA];
>>  };
>>  
>>  struct scpsys_soc_data {
>
diff mbox series

Patch

diff --git a/drivers/soc/mediatek/mt8173-pm-domains.h b/drivers/soc/mediatek/mt8173-pm-domains.h
index a2a624bbd8b8..341cc287c8ce 100644
--- a/drivers/soc/mediatek/mt8173-pm-domains.h
+++ b/drivers/soc/mediatek/mt8173-pm-domains.h
@@ -34,7 +34,7 @@  static const struct scpsys_domain_data scpsys_domain_data_mt8173[] = {
 		.ctl_offs = SPM_DIS_PWR_CON,
 		.sram_pdn_bits = GENMASK(11, 8),
 		.sram_pdn_ack_bits = GENMASK(12, 12),
-		.bp_infracfg = {
+		.bp_infracfg[0] = {
 			.bus_prot_reg_update = true,
 			.bus_prot_mask = MT8173_TOP_AXI_PROT_EN_MM_M0 |
 				MT8173_TOP_AXI_PROT_EN_MM_M1,
@@ -76,7 +76,7 @@  static const struct scpsys_domain_data scpsys_domain_data_mt8173[] = {
 		.ctl_offs = SPM_MFG_PWR_CON,
 		.sram_pdn_bits = GENMASK(13, 8),
 		.sram_pdn_ack_bits = GENMASK(21, 16),
-		.bp_infracfg = {
+		.bp_infracfg[0] = {
 			.bus_prot_reg_update = true,
 			.bus_prot_mask = MT8173_TOP_AXI_PROT_EN_MFG_S |
 				MT8173_TOP_AXI_PROT_EN_MFG_M0 |
diff --git a/drivers/soc/mediatek/mtk-pm-domains.c b/drivers/soc/mediatek/mtk-pm-domains.c
index 16503d6db6a8..2121e05cb9a4 100644
--- a/drivers/soc/mediatek/mtk-pm-domains.c
+++ b/drivers/soc/mediatek/mtk-pm-domains.c
@@ -89,24 +89,40 @@  static int scpsys_sram_disable(struct scpsys_domain *pd)
 
 static int scpsys_bus_protect_enable(struct scpsys_domain *pd)
 {
-	const struct scpsys_bus_prot_data *bp_data = &pd->data->bp_infracfg;
+	const struct scpsys_bus_prot_data *bpd = pd->data->bp_infracfg;
+	int i, ret;
 
-	if (!bp_data->bus_prot_mask)
-		return 0;
+	for (i = 0; i < SPM_MAX_BUS_PROT_DATA; i++) {
+		if (!bpd[i].bus_prot_mask)
+			break;
 
-	return mtk_infracfg_set_bus_protection(pd->infracfg, bp_data->bus_prot_mask,
-					       bp_data->bus_prot_reg_update);
+		ret = mtk_infracfg_set_bus_protection(pd->infracfg,
+						      bpd[i].bus_prot_mask,
+						      bpd[i].bus_prot_reg_update);
+		if (ret)
+			return ret;
+	}
+
+	return 0;
 }
 
 static int scpsys_bus_protect_disable(struct scpsys_domain *pd)
 {
-	const struct scpsys_bus_prot_data *bp_data = &pd->data->bp_infracfg;
+	const struct scpsys_bus_prot_data *bpd = pd->data->bp_infracfg;
+	int i, ret;
 
-	if (!bp_data->bus_prot_mask)
-		return 0;
+	for (i = 0; i < SPM_MAX_BUS_PROT_DATA; i++) {
+		if (!bpd[i].bus_prot_mask)
+			return 0;
 
-	return mtk_infracfg_clear_bus_protection(pd->infracfg, bp_data->bus_prot_mask,
-						 bp_data->bus_prot_reg_update);
+		ret = mtk_infracfg_clear_bus_protection(pd->infracfg,
+							bpd[i].bus_prot_mask,
+							bpd[i].bus_prot_reg_update);
+		if (ret)
+			return ret;
+	}
+
+	return 0;
 }
 
 static int scpsys_power_on(struct generic_pm_domain *genpd)
diff --git a/drivers/soc/mediatek/mtk-pm-domains.h b/drivers/soc/mediatek/mtk-pm-domains.h
index 7c8efcb3cef2..e428fe23a7e3 100644
--- a/drivers/soc/mediatek/mtk-pm-domains.h
+++ b/drivers/soc/mediatek/mtk-pm-domains.h
@@ -32,6 +32,8 @@ 
 #define PWR_STATUS_AUDIO		BIT(24)
 #define PWR_STATUS_USB			BIT(25)
 
+#define SPM_MAX_BUS_PROT_DATA		3
+
 struct scpsys_bus_prot_data {
 	u32 bus_prot_mask;
 	bool bus_prot_reg_update;
@@ -52,7 +54,7 @@  struct scpsys_domain_data {
 	u32 sram_pdn_bits;
 	u32 sram_pdn_ack_bits;
 	u8 caps;
-	const struct scpsys_bus_prot_data bp_infracfg;
+	const struct scpsys_bus_prot_data bp_infracfg[SPM_MAX_BUS_PROT_DATA];
 };
 
 struct scpsys_soc_data {