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Commit ffd1b122 authored by Elaine Zhang's avatar Elaine Zhang Committed by Eduardo Valentin
Browse files

thermal: rockchip: Support the PX30 SoC in thermal driver 



PX30 SOC has two Temperature Sensors for CPU and GPU.

Signed-off-by: default avatarElaine Zhang <zhangqing@rock-chips.com>
Signed-off-by: default avatarEduardo Valentin <edubezval@gmail.com>
parent 4b984e7b

drivers/thermal/rockchip_thermal.c

+38 −0
Original line number Diff line number Diff line
@@ -225,11 +225,15 @@ struct rockchip_thermal_data { 
#define GRF_TSADC_TESTBIT_L			0x0e648

#define GRF_TSADC_TESTBIT_H			0x0e64c



#define PX30_GRF_SOC_CON2			0x0408



#define GRF_SARADC_TESTBIT_ON			(0x10001 << 2)

#define GRF_TSADC_TESTBIT_H_ON			(0x10001 << 2)

#define GRF_TSADC_VCM_EN_L			(0x10001 << 7)

#define GRF_TSADC_VCM_EN_H			(0x10001 << 7)



#define GRF_CON_TSADC_CH_INV			(0x10001 << 1)



/**

 * struct tsadc_table - code to temperature conversion table

 * @code: the value of adc channel
@@ -692,6 +696,13 @@ static void rk_tsadcv3_initialize(struct regmap *grf, void __iomem *regs, 
			       regs + TSADCV2_AUTO_CON);

}



static void rk_tsadcv4_initialize(struct regmap *grf, void __iomem *regs,

				  enum tshut_polarity tshut_polarity)

{

	rk_tsadcv2_initialize(grf, regs, tshut_polarity);

	regmap_write(grf, PX30_GRF_SOC_CON2, GRF_CON_TSADC_CH_INV);

}



static void rk_tsadcv2_irq_ack(void __iomem *regs)

{

	u32 val;
@@ -821,6 +832,30 @@ static void rk_tsadcv2_tshut_mode(int chn, void __iomem *regs, 
	writel_relaxed(val, regs + TSADCV2_INT_EN);

}



static const struct rockchip_tsadc_chip px30_tsadc_data = {

	.chn_id[SENSOR_CPU] = 0, /* cpu sensor is channel 0 */

	.chn_id[SENSOR_GPU] = 1, /* gpu sensor is channel 1 */

	.chn_num = 2, /* 2 channels for tsadc */



	.tshut_mode = TSHUT_MODE_CRU, /* default TSHUT via CRU */

	.tshut_temp = 95000,



	.initialize = rk_tsadcv4_initialize,

	.irq_ack = rk_tsadcv3_irq_ack,

	.control = rk_tsadcv3_control,

	.get_temp = rk_tsadcv2_get_temp,

	.set_alarm_temp = rk_tsadcv2_alarm_temp,

	.set_tshut_temp = rk_tsadcv2_tshut_temp,

	.set_tshut_mode = rk_tsadcv2_tshut_mode,



	.table = {

		.id = rk3328_code_table,

		.length = ARRAY_SIZE(rk3328_code_table),

		.data_mask = TSADCV2_DATA_MASK,

		.mode = ADC_INCREMENT,

	},

};



static const struct rockchip_tsadc_chip rv1108_tsadc_data = {

	.chn_id[SENSOR_CPU] = 0, /* cpu sensor is channel 0 */

	.chn_num = 1, /* one channel for tsadc */
@@ -993,6 +1028,9 @@ static const struct rockchip_tsadc_chip rk3399_tsadc_data = { 
};



static const struct of_device_id of_rockchip_thermal_match[] = {

	{	.compatible = "rockchip,px30-tsadc",

		.data = (void *)&px30_tsadc_data,

	},

	{

		.compatible = "rockchip,rv1108-tsadc",

		.data = (void *)&rv1108_tsadc_data,