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Subject[PATCH v2 3/3] thermal: rockchip: Support the PX30 SoC in thermal driver
Date
PX30 SOC has two Temperature Sensors for CPU and GPU.

Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
---
drivers/thermal/rockchip_thermal.c | 38 ++++++++++++++++++++++++++++++++++++++
1 file changed, 38 insertions(+)

diff --git a/drivers/thermal/rockchip_thermal.c b/drivers/thermal/rockchip_thermal.c
index 03ff494f2864..246d9513a465 100644
--- a/drivers/thermal/rockchip_thermal.c
+++ b/drivers/thermal/rockchip_thermal.c
@@ -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 void rk_tsadcv2_tshut_mode(int chn, void __iomem *regs,
};

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,
--
1.9.1


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