Commit 7a699a85 authored by Olof Johansson's avatar Olof Johansson

Merge tag 'v4.12-next-soc' of https://github.com/mbgg/linux-mediatek into next/drivers

- enhance scpsys to support mt6797
- add mt6797 support to scpsys
- fix error path in pmic-wrapper
- fix possible NULL pointer dereference in pmic-wrapper

* tag 'v4.12-next-soc' of https://github.com/mbgg/linux-mediatek:
  soc: mediatek: PMIC wrap: Fix possible NULL derefrence.
  soc: mediatek: PMIC wrap: Fix error handling
  soc: mediatek: add MT6797 scpsys support
  soc: mediatek: add vdec item for scpsys
  soc: mediatek: avoid using fixed spm power status defines
Signed-off-by: default avatarOlof Johansson <olof@lixom.net>
parents f44a12dc 58a823dd
......@@ -1117,6 +1117,11 @@ static int pwrap_probe(struct platform_device *pdev)
const struct of_device_id *of_slave_id = NULL;
struct resource *res;
if (!of_id) {
dev_err(&pdev->dev, "Error: No device match found\n");
return -ENODEV;
}
if (pdev->dev.of_node->child)
of_slave_id = of_match_node(of_slave_match_tbl,
pdev->dev.of_node->child);
......@@ -1200,7 +1205,8 @@ static int pwrap_probe(struct platform_device *pdev)
if (!(pwrap_readl(wrp, PWRAP_WACS2_RDATA) & PWRAP_STATE_INIT_DONE0)) {
dev_dbg(wrp->dev, "initialization isn't finished\n");
return -ENODEV;
ret = -ENODEV;
goto err_out2;
}
/* Initialize watchdog, may not be done by the bootloader */
......@@ -1220,8 +1226,10 @@ static int pwrap_probe(struct platform_device *pdev)
goto err_out2;
wrp->regmap = devm_regmap_init(wrp->dev, NULL, wrp, &pwrap_regmap_config);
if (IS_ERR(wrp->regmap))
return PTR_ERR(wrp->regmap);
if (IS_ERR(wrp->regmap)) {
ret = PTR_ERR(wrp->regmap);
goto err_out2;
}
ret = of_platform_populate(np, NULL, NULL, wrp->dev);
if (ret) {
......
......@@ -21,6 +21,7 @@
#include <linux/soc/mediatek/infracfg.h>
#include <dt-bindings/power/mt2701-power.h>
#include <dt-bindings/power/mt6797-power.h>
#include <dt-bindings/power/mt8173-power.h>
#define SPM_VDE_PWR_CON 0x0210
......@@ -71,6 +72,7 @@ enum clk_id {
CLK_VENC,
CLK_VENC_LT,
CLK_ETHIF,
CLK_VDEC,
CLK_MAX,
};
......@@ -81,6 +83,7 @@ static const char * const clk_names[] = {
"venc",
"venc_lt",
"ethif",
"vdec",
NULL,
};
......@@ -107,20 +110,27 @@ struct scp_domain {
struct regulator *supply;
};
struct scp_ctrl_reg {
int pwr_sta_offs;
int pwr_sta2nd_offs;
};
struct scp {
struct scp_domain *domains;
struct genpd_onecell_data pd_data;
struct device *dev;
void __iomem *base;
struct regmap *infracfg;
struct scp_ctrl_reg ctrl_reg;
};
static int scpsys_domain_is_on(struct scp_domain *scpd)
{
struct scp *scp = scpd->scp;
u32 status = readl(scp->base + SPM_PWR_STATUS) & scpd->data->sta_mask;
u32 status2 = readl(scp->base + SPM_PWR_STATUS_2ND) &
u32 status = readl(scp->base + scp->ctrl_reg.pwr_sta_offs) &
scpd->data->sta_mask;
u32 status2 = readl(scp->base + scp->ctrl_reg.pwr_sta2nd_offs) &
scpd->data->sta_mask;
/*
......@@ -346,7 +356,8 @@ 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)
const struct scp_domain_data *scp_domain_data, int num,
struct scp_ctrl_reg *scp_ctrl_reg)
{
struct genpd_onecell_data *pd_data;
struct resource *res;
......@@ -358,6 +369,9 @@ static struct scp *init_scp(struct platform_device *pdev,
if (!scp)
return ERR_PTR(-ENOMEM);
scp->ctrl_reg.pwr_sta_offs = scp_ctrl_reg->pwr_sta_offs;
scp->ctrl_reg.pwr_sta2nd_offs = scp_ctrl_reg->pwr_sta2nd_offs;
scp->dev = &pdev->dev;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
......@@ -556,8 +570,13 @@ static const struct scp_domain_data 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 = init_scp(pdev, scp_domain_data_mt2701, NUM_DOMAINS_MT2701,
&scp_reg);
if (IS_ERR(scp))
return PTR_ERR(scp);
......@@ -566,6 +585,116 @@ static int __init scpsys_probe_mt2701(struct platform_device *pdev)
return 0;
}
/*
* MT6797 power domain support
*/
static const struct scp_domain_data scp_domain_data_mt6797[] = {
[MT6797_POWER_DOMAIN_VDEC] = {
.name = "vdec",
.sta_mask = BIT(7),
.ctl_offs = 0x300,
.sram_pdn_bits = GENMASK(8, 8),
.sram_pdn_ack_bits = GENMASK(12, 12),
.clk_id = {CLK_VDEC},
},
[MT6797_POWER_DOMAIN_VENC] = {
.name = "venc",
.sta_mask = BIT(21),
.ctl_offs = 0x304,
.sram_pdn_bits = GENMASK(11, 8),
.sram_pdn_ack_bits = GENMASK(15, 12),
.clk_id = {CLK_NONE},
},
[MT6797_POWER_DOMAIN_ISP] = {
.name = "isp",
.sta_mask = BIT(5),
.ctl_offs = 0x308,
.sram_pdn_bits = GENMASK(9, 8),
.sram_pdn_ack_bits = GENMASK(13, 12),
.clk_id = {CLK_NONE},
},
[MT6797_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),
.clk_id = {CLK_MM},
.bus_prot_mask = (BIT(1) | BIT(2)),
},
[MT6797_POWER_DOMAIN_AUDIO] = {
.name = "audio",
.sta_mask = BIT(24),
.ctl_offs = 0x314,
.sram_pdn_bits = GENMASK(11, 8),
.sram_pdn_ack_bits = GENMASK(15, 12),
.clk_id = {CLK_NONE},
},
[MT6797_POWER_DOMAIN_MFG_ASYNC] = {
.name = "mfg_async",
.sta_mask = BIT(13),
.ctl_offs = 0x334,
.sram_pdn_bits = 0,
.sram_pdn_ack_bits = 0,
.clk_id = {CLK_MFG},
},
[MT6797_POWER_DOMAIN_MJC] = {
.name = "mjc",
.sta_mask = BIT(20),
.ctl_offs = 0x310,
.sram_pdn_bits = GENMASK(8, 8),
.sram_pdn_ack_bits = GENMASK(12, 12),
.clk_id = {CLK_NONE},
},
};
#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;
scp_reg.pwr_sta_offs = SPM_PWR_STATUS_MT6797;
scp_reg.pwr_sta2nd_offs = SPM_PWR_STATUS_2ND_MT6797;
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;
}
/*
* MT8173 power domain support
*/
......@@ -667,8 +796,13 @@ 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;
scp = init_scp(pdev, scp_domain_data_mt8173, NUM_DOMAINS_MT8173);
scp_reg.pwr_sta_offs = SPM_PWR_STATUS;
scp_reg.pwr_sta2nd_offs = SPM_PWR_STATUS_2ND;
scp = init_scp(pdev, scp_domain_data_mt8173, NUM_DOMAINS_MT8173,
&scp_reg);
if (IS_ERR(scp))
return PTR_ERR(scp);
......@@ -697,6 +831,9 @@ static const struct of_device_id of_scpsys_match_tbl[] = {
{
.compatible = "mediatek,mt2701-scpsys",
.data = scpsys_probe_mt2701,
}, {
.compatible = "mediatek,mt6797-scpsys",
.data = scpsys_probe_mt6797,
}, {
.compatible = "mediatek,mt8173-scpsys",
.data = scpsys_probe_mt8173,
......
/*
* Copyright (c) 2017 MediaTek Inc.
* Author: Mars.C <mars.cheng@mediatek.com>
*
* 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,
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef _DT_BINDINGS_POWER_MT6797_POWER_H
#define _DT_BINDINGS_POWER_MT6797_POWER_H
#define MT6797_POWER_DOMAIN_VDEC 0
#define MT6797_POWER_DOMAIN_VENC 1
#define MT6797_POWER_DOMAIN_ISP 2
#define MT6797_POWER_DOMAIN_MM 3
#define MT6797_POWER_DOMAIN_AUDIO 4
#define MT6797_POWER_DOMAIN_MFG_ASYNC 5
#define MT6797_POWER_DOMAIN_MFG 6
#define MT6797_POWER_DOMAIN_MFG_CORE0 7
#define MT6797_POWER_DOMAIN_MFG_CORE1 8
#define MT6797_POWER_DOMAIN_MFG_CORE2 9
#define MT6797_POWER_DOMAIN_MFG_CORE3 10
#define MT6797_POWER_DOMAIN_MJC 11
#endif /* _DT_BINDINGS_POWER_MT6797_POWER_H */
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