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From: Frank Wunderlich <linux@fw-web.de>
To: "Rafael J. Wysocki" <rafael@kernel.org>,
	Daniel Lezcano <daniel.lezcano@linaro.org>,
	Zhang Rui <rui.zhang@intel.com>,
	Lukasz Luba <lukasz.luba@arm.com>, Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	AngeloGioacchino Del Regno
	<angelogioacchino.delregno@collabora.com>
Cc: "Frank Wunderlich" <frank-w@public-files.de>,
	"Nícolas F. R. A. Prado" <nfraprado@collabora.com>,
	"Mason Chang" <mason-cw.chang@mediatek.com>,
	"Uwe Kleine-König" <u.kleine-koenig@baylibre.com>,
	"Balsam CHIHI" <bchihi@baylibre.com>,
	linux-pm@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-mediatek@lists.infradead.org
Subject: [PATCH v1 5/5] thermal/drivers/mediatek/lvts_thermal: Add mt7987 support
Date: Sun, 26 Oct 2025 13:21:34 +0100	[thread overview]
Message-ID: <20251026122143.71100-6-linux@fw-web.de> (raw)
In-Reply-To: <20251026122143.71100-1-linux@fw-web.de>

From: Frank Wunderlich <frank-w@public-files.de>

Add support for MT7987.

Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
---
 drivers/thermal/mediatek/lvts_thermal.c | 38 +++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

diff --git a/drivers/thermal/mediatek/lvts_thermal.c b/drivers/thermal/mediatek/lvts_thermal.c
index 544941e8219a..1d800bdf4a24 100644
--- a/drivers/thermal/mediatek/lvts_thermal.c
+++ b/drivers/thermal/mediatek/lvts_thermal.c
@@ -87,6 +87,8 @@
 #define LVTS_COEFF_B_MT8195			250460
 #define LVTS_COEFF_A_MT7988			-204650
 #define LVTS_COEFF_B_MT7988			204650
+#define LVTS_COEFF_A_MT7987			-204650
+#define LVTS_COEFF_B_MT7987			204650
 
 #define LVTS_MSR_IMMEDIATE_MODE		0
 #define LVTS_MSR_FILTERED_MODE		1
@@ -1400,6 +1402,20 @@ static void lvts_remove(struct platform_device *pdev)
 		lvts_ctrl_set_enable(&lvts_td->lvts_ctrl[i], false);
 }
 
+static const struct lvts_ctrl_data mt7987_lvts_ap_data_ctrl[] = {
+	{
+		.lvts_sensor = {
+			{ .dt_id = MT7987_CPU,
+			  .cal_offsets = { 0x04, 0x05, 0x06 } },
+			{ .dt_id = MT7987_ETH2P5G,
+			  .cal_offsets = { 0x08, 0x09, 0x0a } },
+		},
+		VALID_SENSOR_MAP(1, 1, 0, 0),
+		.offset = 0x0,
+		.mode = LVTS_MSR_FILTERED_MODE,
+	},
+};
+
 static const struct lvts_ctrl_data mt7988_lvts_ap_data_ctrl[] = {
 	{
 		.lvts_sensor = {
@@ -1482,6 +1498,12 @@ static const u32 default_init_cmds[] = {
 	0xC10300FC, 0xC103009D, 0xC10300F1, 0xC10300E1
 };
 
+static const u32 mt7987_init_cmds[] = {
+	0xC1030300, 0xC1030420, 0xC1030500, 0xC10307A6, 0xC10308C7,
+	0xC103098D, 0xC1030C7C, 0xC1030AA8, 0xC10308CE, 0xC10308C7,
+	0xC1030B04, 0xC1030E01, 0xC10306B8
+};
+
 static const u32 mt7988_init_cmds[] = {
 	0xC1030300, 0xC1030420, 0xC1030500, 0xC10307A6, 0xC1030CFC,
 	0xC1030A8C, 0xC103098D, 0xC10308F1, 0xC1030B04, 0xC1030E01,
@@ -1780,6 +1802,21 @@ static const struct lvts_ctrl_data mt8195_lvts_ap_data_ctrl[] = {
 	}
 };
 
+static const struct lvts_data mt7987_lvts_ap_data = {
+	.lvts_ctrl	= mt7987_lvts_ap_data_ctrl,
+	.num_lvts_ctrl	= ARRAY_SIZE(mt7987_lvts_ap_data_ctrl),
+	.conn_cmd	= mt7988_conn_cmds,
+	.init_cmd	= mt7987_init_cmds,
+	.num_conn_cmd	= ARRAY_SIZE(mt7988_conn_cmds),
+	.num_init_cmd	= ARRAY_SIZE(mt7987_init_cmds),
+	.temp_factor	= LVTS_COEFF_A_MT7987,
+	.temp_offset	= LVTS_COEFF_B_MT7987,
+	.golden_temp	= 60,
+	.gt_calib_bit_offset = 32,
+	.def_calibration = 19380,
+	.irq_enable	= false,
+};
+
 static const struct lvts_data mt7988_lvts_ap_data = {
 	.lvts_ctrl	= mt7988_lvts_ap_data_ctrl,
 	.conn_cmd	= mt7988_conn_cmds,
@@ -1899,6 +1936,7 @@ static const struct lvts_data mt8195_lvts_ap_data = {
 };
 
 static const struct of_device_id lvts_of_match[] = {
+	{ .compatible = "mediatek,mt7987-lvts-ap", .data = &mt7987_lvts_ap_data },
 	{ .compatible = "mediatek,mt7988-lvts-ap", .data = &mt7988_lvts_ap_data },
 	{ .compatible = "mediatek,mt8186-lvts", .data = &mt8186_lvts_data },
 	{ .compatible = "mediatek,mt8188-lvts-mcu", .data = &mt8188_lvts_mcu_data },
-- 
2.43.0


      parent reply	other threads:[~2025-10-26 12:22 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-10-26 12:21 [PATCH v1 0/5] Add MT7987 Thermal support Frank Wunderlich
2025-10-26 12:21 ` [PATCH v1 1/5] dt-bindings: thermal: mediatek: make interrupt only required for current SoCs Frank Wunderlich
2025-10-27 10:43   ` AngeloGioacchino Del Regno
2025-10-26 12:21 ` [PATCH v1 2/5] dt-bindings: thermal: mediatek: Add LVTS thermal controller definition for MT7987 Frank Wunderlich
2025-10-27 19:25   ` Rob Herring (Arm)
2025-10-26 12:21 ` [PATCH v1 3/5] thermal/drivers/mediatek/lvts_thermal: Add no-irq-mode for mt7987 Frank Wunderlich
2025-10-26 12:21 ` [PATCH v1 4/5] thermal/drivers/mediatek/lvts_thermal: Add SoC based golden Temp Frank Wunderlich
2025-10-27 10:45   ` AngeloGioacchino Del Regno
2025-10-27 11:56     ` Aw: " Frank Wunderlich
2025-10-26 12:21 ` Frank Wunderlich [this message]

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