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- add mt7623a smp support

Browse Source 
- scpsys: reduce code duplication
 - scpsys: add mt7622 support
 - pmic wrapper: make of_device_ids constant
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Merge tag 'v4.13-next-soc' of https://github.com/mbgg/linux-mediatek into next/drivers

Pull "arm: mediatek: soc updates for v4.14" from Matthias Brugger:

- add mt7623a smp support
- scpsys: reduce code duplication
- scpsys: add mt7622 support
- pmic wrapper: make of_device_ids constant

* tag 'v4.13-next-soc' of https://github.com/mbgg/linux-mediatek:
  soc: mediatek: add SCPSYS power domain driver for MediaTek MT7622 SoC
  soc: mediatek: add header files required for MT7622 SCPSYS dt-binding
  soc: mediatek: reduce code duplication of scpsys_probe across all SoCs
  dt-bindings: soc: update the binding document for SCPSYS on MediaTek MT7622 SoC
  soc: mtk-pmic-wrap: make of_device_ids const.
  ARM: mediatek: add MT7623a smp bringup code
This commit is contained in:
Arnd Bergmann 2017-08-18 23:27:22 +02:00
commit 9da95d8f5b
7 changed files with 185 additions and 103 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
Documentation/devicetree/bindings/soc/mediatek/scpsys.txt
View File

@ -12,11 +12,13 @@ power/power_domain.txt. It provides the power domains defined in
- include/dt-bindings/power/mt8173-power.h
- include/dt-bindings/power/mt6797-power.h
- include/dt-bindings/power/mt2701-power.h
- include/dt-bindings/power/mt7622-power.h
Required properties:
- compatible: Should be one of:
- "mediatek,mt2701-scpsys"
- "mediatek,mt6797-scpsys"
- "mediatek,mt7622-scpsys"
- "mediatek,mt8173-scpsys"
- #power-domain-cells: Must be 1
- reg: Address range of the SCPSYS unit
@ -26,6 +28,7 @@ Required properties:
enabled before enabling certain power domains.
Required clocks for MT2701: "mm", "mfg", "ethif"
Required clocks for MT6797: "mm", "mfg", "vdec"
Required clocks for MT7622: "hif_sel"
Required clocks for MT8173: "mm", "mfg", "venc", "venc_lt"
Optional properties:

2
arch/arm/mach-mediatek/mediatek.c
View File

@ -30,6 +30,7 @@ static void __init mediatek_timer_init(void)
if (of_machine_is_compatible("mediatek,mt6589") ||
of_machine_is_compatible("mediatek,mt7623") ||
of_machine_is_compatible("mediatek,mt7623a") ||
of_machine_is_compatible("mediatek,mt8135") ||
of_machine_is_compatible("mediatek,mt8127")) {
/* turn on GPT6 which ungates arch timer clocks */
@ -49,6 +50,7 @@ static const char * const mediatek_board_dt_compat[] = {
"mediatek,mt6589",
"mediatek,mt6592",
"mediatek,mt7623",
"mediatek,mt7623a",
"mediatek,mt8127",
"mediatek,mt8135",
NULL,

1
arch/arm/mach-mediatek/platsmp.c
View File

@ -59,6 +59,7 @@ static const struct of_device_id mtk_tz_smp_boot_infos[] __initconst = {
static const struct of_device_id mtk_smp_boot_infos[] __initconst = {
{ .compatible = "mediatek,mt6589", .data = &mtk_mt6589_boot },
{ .compatible = "mediatek,mt7623", .data = &mtk_mt7623_boot },
{ .compatible = "mediatek,mt7623a", .data = &mtk_mt7623_boot },
};
static void __iomem *mtk_smp_base;

6
drivers/soc/mediatek/mtk-pmic-wrap.c
View File

@ -1067,7 +1067,7 @@ static const struct pmic_wrapper_type pwrap_mt2701 = {
.init_soc_specific = pwrap_mt2701_init_soc_specific,
};
static struct pmic_wrapper_type pwrap_mt8135 = {
static const struct pmic_wrapper_type pwrap_mt8135 = {
.regs = mt8135_regs,
.type = PWRAP_MT8135,
.arb_en_all = 0x1ff,
@ -1079,7 +1079,7 @@ static struct pmic_wrapper_type pwrap_mt8135 = {
.init_soc_specific = pwrap_mt8135_init_soc_specific,
};
static struct pmic_wrapper_type pwrap_mt8173 = {
static const struct pmic_wrapper_type pwrap_mt8173 = {
.regs = mt8173_regs,
.type = PWRAP_MT8173,
.arb_en_all = 0x3f,
@ -1091,7 +1091,7 @@ static struct pmic_wrapper_type pwrap_mt8173 = {
.init_soc_specific = pwrap_mt8173_init_soc_specific,
};
static struct of_device_id of_pwrap_match_tbl[] = {
static const struct of_device_id of_pwrap_match_tbl[] = {
{
.compatible = "mediatek,mt2701-pwrap",
.data = &pwrap_mt2701,

247
drivers/soc/mediatek/mtk-scpsys.c
View File

@ -22,6 +22,7 @@
#include <dt-bindings/power/mt2701-power.h>
#include <dt-bindings/power/mt6797-power.h>
#include <dt-bindings/power/mt7622-power.h>
#include <dt-bindings/power/mt8173-power.h>
#define SPM_VDE_PWR_CON 0x0210
@ -39,6 +40,11 @@
#define SPM_MFG_2D_PWR_CON 0x02c0
#define SPM_MFG_ASYNC_PWR_CON 0x02c4
#define SPM_USB_PWR_CON 0x02cc
#define SPM_ETHSYS_PWR_CON 0x02e0 /* MT7622 */
#define SPM_HIF0_PWR_CON 0x02e4 /* MT7622 */
#define SPM_HIF1_PWR_CON 0x02e8 /* MT7622 */
#define SPM_WB_PWR_CON 0x02ec /* MT7622 */
#define SPM_PWR_STATUS 0x060c
#define SPM_PWR_STATUS_2ND 0x0610
@ -64,6 +70,10 @@
#define PWR_STATUS_MFG_ASYNC BIT(23)
#define PWR_STATUS_AUDIO BIT(24)
#define PWR_STATUS_USB BIT(25)
#define PWR_STATUS_ETHSYS BIT(24) /* MT7622 */
#define PWR_STATUS_HIF0 BIT(25) /* MT7622 */
#define PWR_STATUS_HIF1 BIT(26) /* MT7622 */
#define PWR_STATUS_WB BIT(27) /* MT7622 */
enum clk_id {
CLK_NONE,
@ -73,6 +83,7 @@ enum clk_id {
CLK_VENC_LT,
CLK_ETHIF,
CLK_VDEC,
CLK_HIFSEL,
CLK_MAX,
};
@ -84,6 +95,7 @@ static const char * const clk_names[] = {
"venc_lt",
"ethif",
"vdec",
"hif_sel",
NULL,
};
@ -124,6 +136,19 @@ struct scp {
struct scp_ctrl_reg ctrl_reg;
};
struct scp_subdomain {
int origin;
int subdomain;
};
struct scp_soc_data {
const struct scp_domain_data *domains;
int num_domains;
const struct scp_subdomain *subdomains;
int num_subdomains;
const struct scp_ctrl_reg regs;
};
static int scpsys_domain_is_on(struct scp_domain *scpd)
{
struct scp *scp = scpd->scp;
@ -357,7 +382,7 @@ static void init_clks(struct platform_device *pdev, struct clk **clk)
static struct scp *init_scp(struct platform_device *pdev,
const struct scp_domain_data *scp_domain_data, int num,
struct scp_ctrl_reg *scp_ctrl_reg)
const struct scp_ctrl_reg *scp_ctrl_reg)
{
struct genpd_onecell_data *pd_data;
struct resource *res;
@ -565,26 +590,6 @@ static const struct scp_domain_data scp_domain_data_mt2701[] = {
},
};
#define NUM_DOMAINS_MT2701 ARRAY_SIZE(scp_domain_data_mt2701)
static int __init scpsys_probe_mt2701(struct platform_device *pdev)
{
struct scp *scp;
struct scp_ctrl_reg scp_reg;
scp_reg.pwr_sta_offs = SPM_PWR_STATUS;
scp_reg.pwr_sta2nd_offs = SPM_PWR_STATUS_2ND;
scp = init_scp(pdev, scp_domain_data_mt2701, NUM_DOMAINS_MT2701,
&scp_reg);
if (IS_ERR(scp))
return PTR_ERR(scp);
mtk_register_power_domains(pdev, scp, NUM_DOMAINS_MT2701);
return 0;
}
/*
* MT6797 power domain support
*/
@ -649,51 +654,62 @@ static const struct scp_domain_data scp_domain_data_mt6797[] = {
},
};
#define NUM_DOMAINS_MT6797 ARRAY_SIZE(scp_domain_data_mt6797)
#define SPM_PWR_STATUS_MT6797 0x0180
#define SPM_PWR_STATUS_2ND_MT6797 0x0184
static int __init scpsys_probe_mt6797(struct platform_device *pdev)
{
struct scp *scp;
struct genpd_onecell_data *pd_data;
int ret;
struct scp_ctrl_reg scp_reg;
static const struct scp_subdomain scp_subdomain_mt6797[] = {
{MT6797_POWER_DOMAIN_MM, MT6797_POWER_DOMAIN_VDEC},
{MT6797_POWER_DOMAIN_MM, MT6797_POWER_DOMAIN_ISP},
{MT6797_POWER_DOMAIN_MM, MT6797_POWER_DOMAIN_VENC},
{MT6797_POWER_DOMAIN_MM, MT6797_POWER_DOMAIN_MJC},
};
scp_reg.pwr_sta_offs = SPM_PWR_STATUS_MT6797;
scp_reg.pwr_sta2nd_offs = SPM_PWR_STATUS_2ND_MT6797;
/*
* MT7622 power domain support
*/
scp = init_scp(pdev, scp_domain_data_mt6797, NUM_DOMAINS_MT6797,
&scp_reg);
if (IS_ERR(scp))
return PTR_ERR(scp);
mtk_register_power_domains(pdev, scp, NUM_DOMAINS_MT6797);
pd_data = &scp->pd_data;
ret = pm_genpd_add_subdomain(pd_data->domains[MT6797_POWER_DOMAIN_MM],
pd_data->domains[MT6797_POWER_DOMAIN_VDEC]);
if (ret && IS_ENABLED(CONFIG_PM))
dev_err(&pdev->dev, "Failed to add subdomain: %d\n", ret);
ret = pm_genpd_add_subdomain(pd_data->domains[MT6797_POWER_DOMAIN_MM],
pd_data->domains[MT6797_POWER_DOMAIN_ISP]);
if (ret && IS_ENABLED(CONFIG_PM))
dev_err(&pdev->dev, "Failed to add subdomain: %d\n", ret);
ret = pm_genpd_add_subdomain(pd_data->domains[MT6797_POWER_DOMAIN_MM],
pd_data->domains[MT6797_POWER_DOMAIN_VENC]);
if (ret && IS_ENABLED(CONFIG_PM))
dev_err(&pdev->dev, "Failed to add subdomain: %d\n", ret);
ret = pm_genpd_add_subdomain(pd_data->domains[MT6797_POWER_DOMAIN_MM],
pd_data->domains[MT6797_POWER_DOMAIN_MJC]);
if (ret && IS_ENABLED(CONFIG_PM))
dev_err(&pdev->dev, "Failed to add subdomain: %d\n", ret);
return 0;
}
static const struct scp_domain_data scp_domain_data_mt7622[] = {
[MT7622_POWER_DOMAIN_ETHSYS] = {
.name = "ethsys",
.sta_mask = PWR_STATUS_ETHSYS,
.ctl_offs = SPM_ETHSYS_PWR_CON,
.sram_pdn_bits = GENMASK(11, 8),
.sram_pdn_ack_bits = GENMASK(15, 12),
.clk_id = {CLK_NONE},
.bus_prot_mask = MT7622_TOP_AXI_PROT_EN_ETHSYS,
.active_wakeup = true,
},
[MT7622_POWER_DOMAIN_HIF0] = {
.name = "hif0",
.sta_mask = PWR_STATUS_HIF0,
.ctl_offs = SPM_HIF0_PWR_CON,
.sram_pdn_bits = GENMASK(11, 8),
.sram_pdn_ack_bits = GENMASK(15, 12),
.clk_id = {CLK_HIFSEL},
.bus_prot_mask = MT7622_TOP_AXI_PROT_EN_HIF0,
.active_wakeup = true,
},
[MT7622_POWER_DOMAIN_HIF1] = {
.name = "hif1",
.sta_mask = PWR_STATUS_HIF1,
.ctl_offs = SPM_HIF1_PWR_CON,
.sram_pdn_bits = GENMASK(11, 8),
.sram_pdn_ack_bits = GENMASK(15, 12),
.clk_id = {CLK_HIFSEL},
.bus_prot_mask = MT7622_TOP_AXI_PROT_EN_HIF1,
.active_wakeup = true,
},
[MT7622_POWER_DOMAIN_WB] = {
.name = "wb",
.sta_mask = PWR_STATUS_WB,
.ctl_offs = SPM_WB_PWR_CON,
.sram_pdn_bits = 0,
.sram_pdn_ack_bits = 0,
.clk_id = {CLK_NONE},
.bus_prot_mask = MT7622_TOP_AXI_PROT_EN_WB,
.active_wakeup = true,
},
};
/*
* MT8173 power domain support
@ -789,39 +805,50 @@ static const struct scp_domain_data scp_domain_data_mt8173[] = {
},
};
#define NUM_DOMAINS_MT8173 ARRAY_SIZE(scp_domain_data_mt8173)
static const struct scp_subdomain scp_subdomain_mt8173[] = {
{MT8173_POWER_DOMAIN_MFG_ASYNC, MT8173_POWER_DOMAIN_MFG_2D},
{MT8173_POWER_DOMAIN_MFG_2D, MT8173_POWER_DOMAIN_MFG},
};
static int __init scpsys_probe_mt8173(struct platform_device *pdev)
{
struct scp *scp;
struct genpd_onecell_data *pd_data;
int ret;
struct scp_ctrl_reg scp_reg;
static const struct scp_soc_data mt2701_data = {
.domains = scp_domain_data_mt2701,
.num_domains = ARRAY_SIZE(scp_domain_data_mt2701),
.regs = {
.pwr_sta_offs = SPM_PWR_STATUS,
.pwr_sta2nd_offs = SPM_PWR_STATUS_2ND
}
};
scp_reg.pwr_sta_offs = SPM_PWR_STATUS;
scp_reg.pwr_sta2nd_offs = SPM_PWR_STATUS_2ND;
static const struct scp_soc_data mt6797_data = {
.domains = scp_domain_data_mt6797,
.num_domains = ARRAY_SIZE(scp_domain_data_mt6797),
.subdomains = scp_subdomain_mt6797,
.num_subdomains = ARRAY_SIZE(scp_subdomain_mt6797),
.regs = {
.pwr_sta_offs = SPM_PWR_STATUS_MT6797,
.pwr_sta2nd_offs = SPM_PWR_STATUS_2ND_MT6797
}
};
scp = init_scp(pdev, scp_domain_data_mt8173, NUM_DOMAINS_MT8173,
&scp_reg);
if (IS_ERR(scp))
return PTR_ERR(scp);
static const struct scp_soc_data mt7622_data = {
.domains = scp_domain_data_mt7622,
.num_domains = ARRAY_SIZE(scp_domain_data_mt7622),
.regs = {
.pwr_sta_offs = SPM_PWR_STATUS,
.pwr_sta2nd_offs = SPM_PWR_STATUS_2ND
}
};
mtk_register_power_domains(pdev, scp, NUM_DOMAINS_MT8173);
pd_data = &scp->pd_data;
ret = pm_genpd_add_subdomain(pd_data->domains[MT8173_POWER_DOMAIN_MFG_ASYNC],
pd_data->domains[MT8173_POWER_DOMAIN_MFG_2D]);
if (ret && IS_ENABLED(CONFIG_PM))
dev_err(&pdev->dev, "Failed to add subdomain: %d\n", ret);
ret = pm_genpd_add_subdomain(pd_data->domains[MT8173_POWER_DOMAIN_MFG_2D],
pd_data->domains[MT8173_POWER_DOMAIN_MFG]);
if (ret && IS_ENABLED(CONFIG_PM))
dev_err(&pdev->dev, "Failed to add subdomain: %d\n", ret);
return 0;
}
static const struct scp_soc_data mt8173_data = {
.domains = scp_domain_data_mt8173,
.num_domains = ARRAY_SIZE(scp_domain_data_mt8173),
.subdomains = scp_subdomain_mt8173,
.num_subdomains = ARRAY_SIZE(scp_subdomain_mt8173),
.regs = {
.pwr_sta_offs = SPM_PWR_STATUS,
.pwr_sta2nd_offs = SPM_PWR_STATUS_2ND
}
};
/*
* scpsys driver init
@ -830,13 +857,16 @@ static int __init scpsys_probe_mt8173(struct platform_device *pdev)
static const struct of_device_id of_scpsys_match_tbl[] = {
{
.compatible = "mediatek,mt2701-scpsys",
.data = scpsys_probe_mt2701,
.data = &mt2701_data,
}, {
.compatible = "mediatek,mt6797-scpsys",
.data = scpsys_probe_mt6797,
.data = &mt6797_data,
}, {
.compatible = "mediatek,mt7622-scpsys",
.data = &mt7622_data,
}, {
.compatible = "mediatek,mt8173-scpsys",
.data = scpsys_probe_mt8173,
.data = &mt8173_data,
}, {
/* sentinel */
}
@ -844,16 +874,33 @@ static const struct of_device_id of_scpsys_match_tbl[] = {
static int scpsys_probe(struct platform_device *pdev)
{
int (*probe)(struct platform_device *);
const struct of_device_id *of_id;
const struct of_device_id *match;
const struct scp_subdomain *sd;
const struct scp_soc_data *soc;
struct scp *scp;
struct genpd_onecell_data *pd_data;
int i, ret;
of_id = of_match_node(of_scpsys_match_tbl, pdev->dev.of_node);
if (!of_id || !of_id->data)
return -EINVAL;
match = of_match_device(of_scpsys_match_tbl, &pdev->dev);
soc = (const struct scp_soc_data *)match->data;
probe = of_id->data;
scp = init_scp(pdev, soc->domains, soc->num_domains, &soc->regs);
if (IS_ERR(scp))
return PTR_ERR(scp);
return probe(pdev);
mtk_register_power_domains(pdev, scp, soc->num_domains);
pd_data = &scp->pd_data;
for (i = 0, sd = soc->subdomains ; i < soc->num_subdomains ; i++) {
ret = pm_genpd_add_subdomain(pd_data->domains[sd->origin],
pd_data->domains[sd->subdomain]);
if (ret && IS_ENABLED(CONFIG_PM))
dev_err(&pdev->dev, "Failed to add subdomain: %d\n",
ret);
}
return 0;
}
static struct platform_driver scpsys_drv = {

22
include/dt-bindings/power/mt7622-power.h Normal file
View File

@ -0,0 +1,22 @@
/*
* Copyright (C) 2017 MediaTek Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See http://www.gnu.org/licenses/gpl-2.0.html for more details.
*/
#ifndef _DT_BINDINGS_POWER_MT7622_POWER_H
#define _DT_BINDINGS_POWER_MT7622_POWER_H
#define MT7622_POWER_DOMAIN_ETHSYS 0
#define MT7622_POWER_DOMAIN_HIF0 1
#define MT7622_POWER_DOMAIN_HIF1 2
#define MT7622_POWER_DOMAIN_WB 3
#endif /* _DT_BINDINGS_POWER_MT7622_POWER_H */

7
include/linux/soc/mediatek/infracfg.h
View File

@ -20,6 +20,13 @@
#define MT8173_TOP_AXI_PROT_EN_MFG_M1 BIT(22)
#define MT8173_TOP_AXI_PROT_EN_MFG_SNOOP_OUT BIT(23)
#define MT7622_TOP_AXI_PROT_EN_ETHSYS (BIT(3) | BIT(17))
#define MT7622_TOP_AXI_PROT_EN_HIF0 (BIT(24) | BIT(25))
#define MT7622_TOP_AXI_PROT_EN_HIF1 (BIT(26) | BIT(27) | \
BIT(28))
#define MT7622_TOP_AXI_PROT_EN_WB (BIT(2) | BIT(6) | \
BIT(7) | BIT(8))
int mtk_infracfg_set_bus_protection(struct regmap *infracfg, u32 mask);
int mtk_infracfg_clear_bus_protection(struct regmap *infracfg, u32 mask);