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path: root/drivers/cpufreq/mediatek-cpufreq.c
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Diffstat (limited to 'drivers/cpufreq/mediatek-cpufreq.c')
-rw-r--r--drivers/cpufreq/mediatek-cpufreq.c98
1 files changed, 57 insertions, 41 deletions
diff --git a/drivers/cpufreq/mediatek-cpufreq.c b/drivers/cpufreq/mediatek-cpufreq.c
index 7f2680bc9a0f..9a39a7ccfae9 100644
--- a/drivers/cpufreq/mediatek-cpufreq.c
+++ b/drivers/cpufreq/mediatek-cpufreq.c
@@ -373,13 +373,13 @@ static struct device *of_get_cci(struct device *cpu_dev)
struct platform_device *pdev;
np = of_parse_phandle(cpu_dev->of_node, "mediatek,cci", 0);
- if (IS_ERR_OR_NULL(np))
- return NULL;
+ if (!np)
+ return ERR_PTR(-ENODEV);
pdev = of_find_device_by_node(np);
of_node_put(np);
- if (IS_ERR_OR_NULL(pdev))
- return NULL;
+ if (!pdev)
+ return ERR_PTR(-ENODEV);
return &pdev->dev;
}
@@ -401,7 +401,7 @@ static int mtk_cpu_dvfs_info_init(struct mtk_cpu_dvfs_info *info, int cpu)
info->ccifreq_bound = false;
if (info->soc_data->ccifreq_supported) {
info->cci_dev = of_get_cci(info->cpu_dev);
- if (IS_ERR_OR_NULL(info->cci_dev)) {
+ if (IS_ERR(info->cci_dev)) {
ret = PTR_ERR(info->cci_dev);
dev_err(cpu_dev, "cpu%d: failed to get cci device\n", cpu);
return -ENODEV;
@@ -420,7 +420,7 @@ static int mtk_cpu_dvfs_info_init(struct mtk_cpu_dvfs_info *info, int cpu)
ret = PTR_ERR(info->inter_clk);
dev_err_probe(cpu_dev, ret,
"cpu%d: failed to get intermediate clk\n", cpu);
- goto out_free_resources;
+ goto out_free_mux_clock;
}
info->proc_reg = regulator_get_optional(cpu_dev, "proc");
@@ -428,13 +428,13 @@ static int mtk_cpu_dvfs_info_init(struct mtk_cpu_dvfs_info *info, int cpu)
ret = PTR_ERR(info->proc_reg);
dev_err_probe(cpu_dev, ret,
"cpu%d: failed to get proc regulator\n", cpu);
- goto out_free_resources;
+ goto out_free_inter_clock;
}
ret = regulator_enable(info->proc_reg);
if (ret) {
dev_warn(cpu_dev, "cpu%d: failed to enable vproc\n", cpu);
- goto out_free_resources;
+ goto out_free_proc_reg;
}
/* Both presence and absence of sram regulator are valid cases. */
@@ -442,14 +442,14 @@ static int mtk_cpu_dvfs_info_init(struct mtk_cpu_dvfs_info *info, int cpu)
if (IS_ERR(info->sram_reg)) {
ret = PTR_ERR(info->sram_reg);
if (ret == -EPROBE_DEFER)
- goto out_free_resources;
+ goto out_disable_proc_reg;
info->sram_reg = NULL;
} else {
ret = regulator_enable(info->sram_reg);
if (ret) {
dev_warn(cpu_dev, "cpu%d: failed to enable vsram\n", cpu);
- goto out_free_resources;
+ goto out_free_sram_reg;
}
}
@@ -458,13 +458,13 @@ static int mtk_cpu_dvfs_info_init(struct mtk_cpu_dvfs_info *info, int cpu)
if (ret) {
dev_err(cpu_dev,
"cpu%d: failed to get OPP-sharing information\n", cpu);
- goto out_free_resources;
+ goto out_disable_sram_reg;
}
ret = dev_pm_opp_of_cpumask_add_table(&info->cpus);
if (ret) {
dev_warn(cpu_dev, "cpu%d: no OPP table\n", cpu);
- goto out_free_resources;
+ goto out_disable_sram_reg;
}
ret = clk_prepare_enable(info->cpu_clk);
@@ -533,43 +533,41 @@ out_disable_mux_clock:
out_free_opp_table:
dev_pm_opp_of_cpumask_remove_table(&info->cpus);
-out_free_resources:
- if (regulator_is_enabled(info->proc_reg))
- regulator_disable(info->proc_reg);
- if (info->sram_reg && regulator_is_enabled(info->sram_reg))
+out_disable_sram_reg:
+ if (info->sram_reg)
regulator_disable(info->sram_reg);
- if (!IS_ERR(info->proc_reg))
- regulator_put(info->proc_reg);
- if (!IS_ERR(info->sram_reg))
+out_free_sram_reg:
+ if (info->sram_reg)
regulator_put(info->sram_reg);
- if (!IS_ERR(info->cpu_clk))
- clk_put(info->cpu_clk);
- if (!IS_ERR(info->inter_clk))
- clk_put(info->inter_clk);
+
+out_disable_proc_reg:
+ regulator_disable(info->proc_reg);
+
+out_free_proc_reg:
+ regulator_put(info->proc_reg);
+
+out_free_inter_clock:
+ clk_put(info->inter_clk);
+
+out_free_mux_clock:
+ clk_put(info->cpu_clk);
return ret;
}
static void mtk_cpu_dvfs_info_release(struct mtk_cpu_dvfs_info *info)
{
- if (!IS_ERR(info->proc_reg)) {
- regulator_disable(info->proc_reg);
- regulator_put(info->proc_reg);
- }
- if (!IS_ERR(info->sram_reg)) {
+ regulator_disable(info->proc_reg);
+ regulator_put(info->proc_reg);
+ if (info->sram_reg) {
regulator_disable(info->sram_reg);
regulator_put(info->sram_reg);
}
- if (!IS_ERR(info->cpu_clk)) {
- clk_disable_unprepare(info->cpu_clk);
- clk_put(info->cpu_clk);
- }
- if (!IS_ERR(info->inter_clk)) {
- clk_disable_unprepare(info->inter_clk);
- clk_put(info->inter_clk);
- }
-
+ clk_disable_unprepare(info->cpu_clk);
+ clk_put(info->cpu_clk);
+ clk_disable_unprepare(info->inter_clk);
+ clk_put(info->inter_clk);
dev_pm_opp_of_cpumask_remove_table(&info->cpus);
dev_pm_opp_unregister_notifier(info->cpu_dev, &info->opp_nb);
}
@@ -695,6 +693,15 @@ static const struct mtk_cpufreq_platform_data mt2701_platform_data = {
.ccifreq_supported = false,
};
+static const struct mtk_cpufreq_platform_data mt7622_platform_data = {
+ .min_volt_shift = 100000,
+ .max_volt_shift = 200000,
+ .proc_max_volt = 1360000,
+ .sram_min_volt = 0,
+ .sram_max_volt = 1360000,
+ .ccifreq_supported = false,
+};
+
static const struct mtk_cpufreq_platform_data mt8183_platform_data = {
.min_volt_shift = 100000,
.max_volt_shift = 200000,
@@ -713,20 +720,29 @@ static const struct mtk_cpufreq_platform_data mt8186_platform_data = {
.ccifreq_supported = true,
};
+static const struct mtk_cpufreq_platform_data mt8516_platform_data = {
+ .min_volt_shift = 100000,
+ .max_volt_shift = 200000,
+ .proc_max_volt = 1310000,
+ .sram_min_volt = 0,
+ .sram_max_volt = 1310000,
+ .ccifreq_supported = false,
+};
+
/* List of machines supported by this driver */
static const struct of_device_id mtk_cpufreq_machines[] __initconst = {
{ .compatible = "mediatek,mt2701", .data = &mt2701_platform_data },
{ .compatible = "mediatek,mt2712", .data = &mt2701_platform_data },
- { .compatible = "mediatek,mt7622", .data = &mt2701_platform_data },
- { .compatible = "mediatek,mt7623", .data = &mt2701_platform_data },
- { .compatible = "mediatek,mt8167", .data = &mt2701_platform_data },
+ { .compatible = "mediatek,mt7622", .data = &mt7622_platform_data },
+ { .compatible = "mediatek,mt7623", .data = &mt7622_platform_data },
+ { .compatible = "mediatek,mt8167", .data = &mt8516_platform_data },
{ .compatible = "mediatek,mt817x", .data = &mt2701_platform_data },
{ .compatible = "mediatek,mt8173", .data = &mt2701_platform_data },
{ .compatible = "mediatek,mt8176", .data = &mt2701_platform_data },
{ .compatible = "mediatek,mt8183", .data = &mt8183_platform_data },
{ .compatible = "mediatek,mt8186", .data = &mt8186_platform_data },
{ .compatible = "mediatek,mt8365", .data = &mt2701_platform_data },
- { .compatible = "mediatek,mt8516", .data = &mt2701_platform_data },
+ { .compatible = "mediatek,mt8516", .data = &mt8516_platform_data },
{ }
};
MODULE_DEVICE_TABLE(of, mtk_cpufreq_machines);
generated by cgit v1.2.3 (git 2.39.0) at 2024-09-08 20:38:24 +0300