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From 24bc42a2d44cb821818717a5c607270921ec5d20 Mon Sep 17 00:00:00 2001
From: Jia-Wei Chang <jia-wei.chang@mediatek.com>
Date: Fri, 24 Mar 2023 18:11:29 +0800
Subject: [PATCH 19/21] cpufreq: mediatek: raise proc/sram max voltage for
MT8516
Since the upper boundary of proc/sram voltage of MT8516 is 1300 mV,
which is greater than the value of MT2701 1150 mV, we fix it by adding
the corresponding platform data and specify proc/sram_max_volt to
support MT8516.
Signed-off-by: Jia-Wei Chang <jia-wei.chang@mediatek.com>
Fixes: ead858bd128d ("cpufreq: mediatek: Move voltage limits to platform data")
Fixes: 6a17b3876bc8 ("cpufreq: mediatek: Refine mtk_cpufreq_voltage_tracking()")
Reported-by: Nick Hainke <vincent@systemli.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
---
drivers/cpufreq/mediatek-cpufreq.c | 13 +++++++++++--
1 file changed, 11 insertions(+), 2 deletions(-)
--- a/drivers/cpufreq/mediatek-cpufreq.c
+++ b/drivers/cpufreq/mediatek-cpufreq.c
@@ -711,20 +711,29 @@ static const struct mtk_cpufreq_platform
.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,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);
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