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thermal: rockchip: Support the PX30 SoC in thermal driver 

PX30 SOC has two Temperature Sensors for CPU and GPU.

Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
hifive-unleashed-5.2
Elaine Zhang 2019-04-30 18:09:46 +08:00 committed by Eduardo Valentin
parent 4b984e7bfb
commit ffd1b122d3
1 changed files with 38 additions and 0 deletions
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38
drivers/thermal/rockchip_thermal.c
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@ -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,