linux-kernel - [PATCH] cpufreq: mediatek: Add support for MT7988A

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Date: Fri, 19 Apr 2024 17:59:07 +0100
From: Daniel Golle <daniel@...rotopia.org>
To: "Rafael J. Wysocki" <rafael@...nel.org>,
	Viresh Kumar <viresh.kumar@...aro.org>,
	Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org
Subject: [PATCH] cpufreq: mediatek: Add support for MT7988A

From: Sam Shih <sam.shih@...iatek.com>

This add cpufreq support for mediatek MT7988A SoC.

The platform data of MT7988A is different from previous MediaTek SoCs,
so we add a new compatible and platform data for it.

Signed-off-by: Sam Shih <sam.shih@...iatek.com>
---
 drivers/cpufreq/mediatek-cpufreq.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/cpufreq/mediatek-cpufreq.c b/drivers/cpufreq/mediatek-cpufreq.c
index a0a61919bc4c..518606adf14e 100644
--- a/drivers/cpufreq/mediatek-cpufreq.c
+++ b/drivers/cpufreq/mediatek-cpufreq.c
@@ -707,6 +707,15 @@ static const struct mtk_cpufreq_platform_data mt7623_platform_data = {
 	.ccifreq_supported = false,
 };
 
+static const struct mtk_cpufreq_platform_data mt7988_platform_data = {
+	.min_volt_shift = 100000,
+	.max_volt_shift = 200000,
+	.proc_max_volt = 900000,
+	.sram_min_volt = 0,
+	.sram_max_volt = 1150000,
+	.ccifreq_supported = true,
+};
+
 static const struct mtk_cpufreq_platform_data mt8183_platform_data = {
 	.min_volt_shift = 100000,
 	.max_volt_shift = 200000,
@@ -740,6 +749,7 @@ static const struct of_device_id mtk_cpufreq_machines[] __initconst = {
 	{ .compatible = "mediatek,mt2712", .data = &mt2701_platform_data },
 	{ .compatible = "mediatek,mt7622", .data = &mt7622_platform_data },
 	{ .compatible = "mediatek,mt7623", .data = &mt7623_platform_data },
+	{ .compatible = "mediatek,mt7988a", .data = &mt7988_platform_data },
 	{ .compatible = "mediatek,mt8167", .data = &mt8516_platform_data },
 	{ .compatible = "mediatek,mt817x", .data = &mt2701_platform_data },
 	{ .compatible = "mediatek,mt8173", .data = &mt2701_platform_data },
-- 
2.44.0