linux-kernel - Re: [PATCH v2 2/4] thermal: mediatek: add support for MT8365 SoC

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Date:   Thu, 21 Jul 2022 10:15:58 +0200
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     Amjad Ouled-Ameur <aouledameur@...libre.com>,
        matthias.bgg@...il.com
Cc:     rafael@...nel.org, fparent@...libre.com, amitk@...nel.org,
        daniel.lezcano@...aro.org, devicetree@...r.kernel.org,
        krzysztof.kozlowski+dt@...aro.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-mediatek@...ts.infradead.org, linux-pm@...r.kernel.org,
        robh+dt@...nel.org, rui.zhang@...el.com
Subject: Re: [PATCH v2 2/4] thermal: mediatek: add support for MT8365 SoC

Il 20/07/22 20:18, Amjad Ouled-Ameur ha scritto:
> From: Fabien Parent <fparent@...libre.com>
> 
> MT8365 is similar to the other SoCs supported by the driver. It has only
> one bank and 3 actual sensors that can be multiplexed. There is another
> one sensor that does not have usable data.
> 
> Signed-off-by: Fabien Parent <fparent@...libre.com>
> Reviewed-by: Amjad Ouled-Ameur <aouledameur@...libre.com>
> Tested-by: Amjad Ouled-Ameur <aouledameur@...libre.com>
> ---
>   drivers/thermal/mtk_thermal.c | 68 +++++++++++++++++++++++++++++++++++
>   1 file changed, 68 insertions(+)
> 
> diff --git a/drivers/thermal/mtk_thermal.c b/drivers/thermal/mtk_thermal.c
> index ede94eadddda..216eb0d61c5b 100644
> --- a/drivers/thermal/mtk_thermal.c
> +++ b/drivers/thermal/mtk_thermal.c
> @@ -31,6 +31,7 @@
>   #define AUXADC_CON2_V		0x010
>   #define AUXADC_DATA(channel)	(0x14 + (channel) * 4)
>   
> +#define APMIXED_SYS_TS_CON0	0x600
>   #define APMIXED_SYS_TS_CON1	0x604
>   
>   /* Thermal Controller Registers */
> @@ -245,6 +246,17 @@ enum mtk_thermal_version {
>   /* The calibration coefficient of sensor  */
>   #define MT8183_CALIBRATION	153
>   
> +/* MT8365 */
> +#define MT8365_TEMP_AUXADC_CHANNEL 11
> +#define MT8365_CALIBRATION 164
> +#define MT8365_NUM_CONTROLLER 1
> +#define MT8365_NUM_BANKS 1
> +#define MT8365_NUM_SENSORS 3
> +#define MT8365_NUM_SENSORS_PER_ZONE 3
> +#define MT8365_TS1 0
> +#define MT8365_TS2 1
> +#define MT8365_TS3 2
> +
>   struct mtk_thermal;
>   
>   struct thermal_bank_cfg {
> @@ -386,6 +398,24 @@ static const int mt7622_mux_values[MT7622_NUM_SENSORS] = { 0, };
>   static const int mt7622_vts_index[MT7622_NUM_SENSORS] = { VTS1 };
>   static const int mt7622_tc_offset[MT7622_NUM_CONTROLLER] = { 0x0, };
>   
> +/* MT8365 thermal sensor data */
> +static const int mt8365_bank_data[MT8365_NUM_SENSORS] = {
> +	MT8365_TS1, MT8365_TS2, MT8365_TS3
> +};
> +
> +static const int mt8365_msr[MT8365_NUM_SENSORS_PER_ZONE] = {
> +	TEMP_MSR0, TEMP_MSR1, TEMP_MSR2
> +};
> +
> +static const int mt8365_adcpnp[MT8365_NUM_SENSORS_PER_ZONE] = {
> +	TEMP_ADCPNP0, TEMP_ADCPNP1, TEMP_ADCPNP2
> +};
> +
> +static const int mt8365_mux_values[MT8365_NUM_SENSORS] = { 0, 1, 2 };
> +static const int mt8365_tc_offset[MT8365_NUM_CONTROLLER] = { 0 };
> +
> +static const int mt8365_vts_index[MT8365_NUM_SENSORS] = { VTS1, VTS2, VTS3 };
> +
>   /*
>    * The MT8173 thermal controller has four banks. Each bank can read up to
>    * four temperature sensors simultaneously. The MT8173 has a total of 5
> @@ -460,6 +490,40 @@ static const struct mtk_thermal_data mt2701_thermal_data = {
>   	.version = MTK_THERMAL_V1,
>   };
>   
> +/*
> + * The MT8365 thermal controller has one bank, which can read up to
> + * four temperature sensors simultaneously. The MT8365 has a total of 3
> + * temperature sensors.
> + *
> + * The thermal core only gets the maximum temperature of this one bank,
> + * so the bank concept wouldn't be necessary here. However, the SVS (Smart
> + * Voltage Scaling) unit makes its decisions based on the same bank
> + * data.
> + */
> +static const struct mtk_thermal_data mt8365_thermal_data = {
> +	.auxadc_channel = MT8365_TEMP_AUXADC_CHANNEL,
> +	.num_banks = MT8365_NUM_BANKS,
> +	.num_sensors = MT8365_NUM_SENSORS,
> +	.vts_index = mt8365_vts_index,
> +	.cali_val = MT8365_CALIBRATION,
> +	.num_controller = MT8365_NUM_CONTROLLER,
> +	.controller_offset = mt8365_tc_offset,
> +	.need_switch_bank = false,
> +	.bank_data = {
> +		{
> +			.num_sensors = MT8365_NUM_SENSORS,
> +			.sensors = mt8365_bank_data
> +		},
> +	},
> +	.msr = mt8365_msr,
> +	.adcpnp = mt8365_adcpnp,
> +	.sensor_mux_values = mt8365_mux_values,
> +	.version = MTK_THERMAL_V1,
> +	.apmixed_buffer_ctl_reg = APMIXED_SYS_TS_CON0,
> +	.apmixed_buffer_ctl_mask = (u32) ~GENMASK(29, 28),
> +	.apmixed_buffer_ctl_set = 0,

Every commit has to build on its own.

This won't compile unless moved after 'thermal: mediatek: control buffer enablement
tweaks': please move it.

Regards,
Angelo