Re: [PATCH v4 3/5] thermal/drivers/mediatek/lvts_thermal: Add mt8192 support

[AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>]

Il 30/05/23 21:51, Bernhard Rosenkränzer ha scritto:
> From: Balsam CHIHI <bchihi@xxxxxxxxxxxx>
>
> Add LVTS Driver support for MT8192.
>
> Co-developed-by : Nícolas F. R. A. Prado <nfraprado@xxxxxxxxxxxxx>
> Signed-off-by: Nícolas F. R. A. Prado <nfraprado@xxxxxxxxxxxxx>
> Signed-off-by: Balsam CHIHI <bchihi@xxxxxxxxxxxx>
> Reviewed-by: Nícolas F. R. A. Prado <nfraprado@xxxxxxxxxxxxx>
> Signed-off-by: Bernhard Rosenkränzer <bero@xxxxxxxxxxxx>
> Reviewed-by: Matthias Brugger <matthias.bgg@xxxxxxxxx>
> ---
>   drivers/thermal/mediatek/lvts_thermal.c | 95 +++++++++++++++++++++++++
>   1 file changed, 95 insertions(+)
>
> diff --git a/drivers/thermal/mediatek/lvts_thermal.c b/drivers/thermal/mediatek/lvts_thermal.c
> index 5ea8a9d569ea6..d5e5214784ece 100644
> --- a/drivers/thermal/mediatek/lvts_thermal.c
> +++ b/drivers/thermal/mediatek/lvts_thermal.c
> @@ -80,6 +80,7 @@
>   #define LVTS_MSR_FILTERED_MODE		1
>   
>   #define LVTS_HW_SHUTDOWN_MT8195		105000
> +#define LVTS_HW_SHUTDOWN_MT8192		105000
>   
>   static int golden_temp = LVTS_GOLDEN_TEMP_DEFAULT;
>   static int coeff_b = LVTS_COEFF_B;
> @@ -1280,6 +1281,88 @@ static const struct lvts_ctrl_data mt8195_lvts_ap_data_ctrl[] = {
>   	}
>   };
>   
> +static const struct lvts_ctrl_data mt8192_lvts_mcu_data_ctrl[] = {
> +	{
> +		.cal_offset = { 0x04, 0x08 },
> +		.lvts_sensor = {
> +			{ .dt_id = MT8192_MCU_BIG_CPU0 },
> +			{ .dt_id = MT8192_MCU_BIG_CPU1 }
> +		},
> +		.num_lvts_sensor = 2,
> +		.offset = 0x0,
> +		.hw_tshut_temp = LVTS_HW_SHUTDOWN_MT8192,
> +		.mode = LVTS_MSR_FILTERED_MODE,
> +	},
> +	{
> +		.cal_offset = { 0x0c, 0x10 },
> +		.lvts_sensor = {
> +			{ .dt_id = MT8192_MCU_BIG_CPU2 },
> +			{ .dt_id = MT8192_MCU_BIG_CPU3 }
> +		},
> +		.num_lvts_sensor = 2,
> +		.offset = 0x100,
> +		.hw_tshut_temp = LVTS_HW_SHUTDOWN_MT8192,
> +		.mode = LVTS_MSR_FILTERED_MODE,
> +	},
> +	{
> +		.cal_offset = { 0x14, 0x18, 0x1c, 0x20 },
> +		.lvts_sensor = {
> +			{ .dt_id = MT8192_MCU_LITTLE_CPU0 },
> +			{ .dt_id = MT8192_MCU_LITTLE_CPU1 },
> +			{ .dt_id = MT8192_MCU_LITTLE_CPU2 },
> +			{ .dt_id = MT8192_MCU_LITTLE_CPU3 }
> +		},
> +		.num_lvts_sensor = 4,
> +		.offset = 0x200,
> +		.hw_tshut_temp = LVTS_HW_SHUTDOWN_MT8192,
> +		.mode = LVTS_MSR_FILTERED_MODE,
> +	}
> +};
> +
> +static const struct lvts_ctrl_data mt8192_lvts_ap_data_ctrl[] = {
> +		{
> +		.cal_offset = { 0x24, 0x28 },
> +		.lvts_sensor = {
> +			{ .dt_id = MT8192_AP_VPU0 },
> +			{ .dt_id = MT8192_AP_VPU1 }
> +		},
> +		.num_lvts_sensor = 2,
> +		.offset = 0x0,
> +		.hw_tshut_temp = LVTS_HW_SHUTDOWN_MT8192,
> +	},
> +	{
> +		.cal_offset = { 0x2c, 0x30 },
> +		.lvts_sensor = {
> +			{ .dt_id = MT8192_AP_GPU0 },
> +			{ .dt_id = MT8192_AP_GPU1 }
> +		},
> +		.num_lvts_sensor = 2,
> +		.offset = 0x100,
> +		.hw_tshut_temp = LVTS_HW_SHUTDOWN_MT8192,

I'm unable to get readings for the GPU sensors, didn't really check
the others; `cat (xxxx)` gives a resource not available error, is that
the same for you?!

Regards,
Angelo

> +	},
> +	{
> +		.cal_offset = { 0x34, 0x38 },
> +		.lvts_sensor = {
> +			{ .dt_id = MT8192_AP_INFRA },
> +			{ .dt_id = MT8192_AP_CAM },
> +		},
> +		.num_lvts_sensor = 2,
> +		.offset = 0x200,
> +		.hw_tshut_temp = LVTS_HW_SHUTDOWN_MT8192,
> +	},
> +	{
> +		.cal_offset = { 0x3c, 0x40, 0x44 },
> +		.lvts_sensor = {
> +			{ .dt_id = MT8192_AP_MD0 },
> +			{ .dt_id = MT8192_AP_MD1 },
> +			{ .dt_id = MT8192_AP_MD2 }
> +		},
> +		.num_lvts_sensor = 3,
> +		.offset = 0x300,
> +		.hw_tshut_temp = LVTS_HW_SHUTDOWN_MT8192,
> +	}
> +};
> +
>   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),
> @@ -1290,9 +1373,21 @@ static const struct lvts_data mt8195_lvts_ap_data = {
>   	.num_lvts_ctrl	= ARRAY_SIZE(mt8195_lvts_ap_data_ctrl),
>   };
>   
> +static const struct lvts_data mt8192_lvts_mcu_data = {
> +	.lvts_ctrl	= mt8192_lvts_mcu_data_ctrl,
> +	.num_lvts_ctrl	= ARRAY_SIZE(mt8192_lvts_mcu_data_ctrl),
> +};
> +
> +static const struct lvts_data mt8192_lvts_ap_data = {
> +	.lvts_ctrl	= mt8192_lvts_ap_data_ctrl,
> +	.num_lvts_ctrl	= ARRAY_SIZE(mt8192_lvts_ap_data_ctrl),
> +};
> +
>   static const struct of_device_id lvts_of_match[] = {
>   	{ .compatible = "mediatek,mt8195-lvts-mcu", .data = &mt8195_lvts_mcu_data },
>   	{ .compatible = "mediatek,mt8195-lvts-ap", .data = &mt8195_lvts_ap_data },
> +	{ .compatible = "mediatek,mt8192-lvts-mcu", .data = &mt8192_lvts_mcu_data },
> +	{ .compatible = "mediatek,mt8192-lvts-ap", .data = &mt8192_lvts_ap_data },
>   	{},
>   };
>   MODULE_DEVICE_TABLE(of, lvts_of_match);