Commit 585e92e6 authored by Frank Wunderlich's avatar Frank Wunderlich Committed by Daniel Lezcano
Browse files

thermal/drivers/mediatek/lvts_thermal: Add mt7988 support 



Add Support for Mediatek Filogic 880/MT7988 LVTS.

Signed-off-by: default avatarFrank Wunderlich <frank-w@public-files.de>
Tested-by: default avatarDaniel Golle <daniel@makrotopia.org>
Signed-off-by: default avatarDaniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20230922055020.6436-5-linux@fw-web.de
parent 6725a293

drivers/thermal/mediatek/lvts_thermal.c

+38 −0
Original line number Diff line number Diff line
@@ -82,6 +82,8 @@ 
#define LVTS_GOLDEN_TEMP_DEFAULT	50

#define LVTS_COEFF_A_MT8195			-250460

#define LVTS_COEFF_B_MT8195			250460

#define LVTS_COEFF_A_MT7988			-204650

#define LVTS_COEFF_B_MT7988			204650



#define LVTS_MSR_IMMEDIATE_MODE		0

#define LVTS_MSR_FILTERED_MODE		1
@@ -89,6 +91,7 @@ 
#define LVTS_MSR_READ_TIMEOUT_US	400

#define LVTS_MSR_READ_WAIT_US		(LVTS_MSR_READ_TIMEOUT_US / 2)



#define LVTS_HW_SHUTDOWN_MT7988		105000

#define LVTS_HW_SHUTDOWN_MT8195		105000



#define LVTS_MINIMUM_THRESHOLD		20000
@@ -1267,6 +1270,33 @@ static void lvts_remove(struct platform_device *pdev) 
	lvts_debugfs_exit(lvts_td);

}



static const struct lvts_ctrl_data mt7988_lvts_ap_data_ctrl[] = {

	{

		.cal_offset = { 0x00, 0x04, 0x08, 0x0c },

		.lvts_sensor = {

			{ .dt_id = MT7988_CPU_0 },

			{ .dt_id = MT7988_CPU_1 },

			{ .dt_id = MT7988_ETH2P5G_0 },

			{ .dt_id = MT7988_ETH2P5G_1 }

		},

		.num_lvts_sensor = 4,

		.offset = 0x0,

		.hw_tshut_temp = LVTS_HW_SHUTDOWN_MT7988,

	},

	{

		.cal_offset = { 0x14, 0x18, 0x1c, 0x20 },

		.lvts_sensor = {

			{ .dt_id = MT7988_TOPS_0},

			{ .dt_id = MT7988_TOPS_1},

			{ .dt_id = MT7988_ETHWARP_0},

			{ .dt_id = MT7988_ETHWARP_1}

		},

		.num_lvts_sensor = 4,

		.offset = 0x100,

		.hw_tshut_temp = LVTS_HW_SHUTDOWN_MT7988,

	}

};



static const struct lvts_ctrl_data mt8195_lvts_mcu_data_ctrl[] = {

	{

		.cal_offset = { 0x04, 0x07 },
@@ -1346,6 +1376,13 @@ static const struct lvts_ctrl_data mt8195_lvts_ap_data_ctrl[] = { 
	}

};



static const struct lvts_data mt7988_lvts_ap_data = {

	.lvts_ctrl	= mt7988_lvts_ap_data_ctrl,

	.num_lvts_ctrl	= ARRAY_SIZE(mt7988_lvts_ap_data_ctrl),

	.temp_factor	= LVTS_COEFF_A_MT7988,

	.temp_offset	= LVTS_COEFF_B_MT7988,

};



static const struct lvts_data mt8195_lvts_mcu_data = {

	.lvts_ctrl	= mt8195_lvts_mcu_data_ctrl,

	.num_lvts_ctrl	= ARRAY_SIZE(mt8195_lvts_mcu_data_ctrl),
@@ -1361,6 +1398,7 @@ static const struct lvts_data mt8195_lvts_ap_data = { 
};



static const struct of_device_id lvts_of_match[] = {

	{ .compatible = "mediatek,mt7988-lvts-ap", .data = &mt7988_lvts_ap_data },

	{ .compatible = "mediatek,mt8195-lvts-mcu", .data = &mt8195_lvts_mcu_data },

	{ .compatible = "mediatek,mt8195-lvts-ap", .data = &mt8195_lvts_ap_data },

	{},