[PATCH 2/3] thermal: amlogic: Support C3 thermal controller driver

Neil Armstrong neil.armstrong at linaro.org
Tue Jul 22 03:04:32 PDT 2025


On 18/07/2025 08:37, Xianwei Zhao via B4 Relay wrote:
> From: Xianwei Zhao <xianwei.zhao at amlogic.com>
> 
> Add the thermal controller driver for the C3 SoC family.
> 
> The main difference compared to other Amlogic chips lies in the
> offset of the sec_ao base (referred to as u_efuse_off), which is
> handled differently. Everything else remains consistent.
> 
> Signed-off-by: Liming Xue <liming.xue at amlogic.com>
> Signed-off-by: Xianwei Zhao <xianwei.zhao at amlogic.com>
> ---
>   drivers/thermal/amlogic_thermal.c | 10 ++++++++++
>   1 file changed, 10 insertions(+)
> 
> diff --git a/drivers/thermal/amlogic_thermal.c b/drivers/thermal/amlogic_thermal.c
> index 5448d772db12..d1b08119c818 100644
> --- a/drivers/thermal/amlogic_thermal.c
> +++ b/drivers/thermal/amlogic_thermal.c
> @@ -226,6 +226,12 @@ static const struct amlogic_thermal_data amlogic_thermal_a1_cpu_param = {
>   	.regmap_config = &amlogic_thermal_regmap_config_g12a,
>   };
>   
> +static const struct amlogic_thermal_data amlogic_thermal_c3_cpu_param = {
> +	.u_efuse_off = 0x108,
> +	.calibration_parameters = &amlogic_thermal_g12a,
> +	.regmap_config = &amlogic_thermal_regmap_config_g12a,
> +};
> +
>   static const struct of_device_id of_amlogic_thermal_match[] = {
>   	{
>   		.compatible = "amlogic,g12a-ddr-thermal",
> @@ -239,6 +245,10 @@ static const struct of_device_id of_amlogic_thermal_match[] = {
>   		.compatible = "amlogic,a1-cpu-thermal",
>   		.data = &amlogic_thermal_a1_cpu_param,
>   	},
> +	{
> +		.compatible = "amlogic,c3-cpu-thermal",
> +		.data = &amlogic_thermal_c3_cpu_param,
> +	},
>   	{ /* sentinel */ }
>   };
>   MODULE_DEVICE_TABLE(of, of_amlogic_thermal_match);
> 

Reviewed-by: Neil Armstrong <neil.armstrong at linaro.org>



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