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thermal: rockchip: add tsadc support for px30

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Change-Id: I46ac8ebd4a92367acb610fb96c18a487c67602d4
Signed-off-by: Rocky Hao <rocky.hao@rock-chips.com>
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
This commit is contained in:
Rocky Hao
2018-01-17 11:21:00 +08:00
committed by Tao Huang
parent 148e9ae288
commit 265e89a8bf
2 changed files with 40 additions and 0 deletions
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1
Documentation/devicetree/bindings/thermal/rockchip-thermal.txt
View File

@@ -3,6 +3,7 @@
Required properties:
- compatible : should be "rockchip,<name>-tsadc"
"rockchip,rv1108-tsadc": found on RV1108 SoCs
"rockchip,px30-tsadc": found on PX30 SoCs
"rockchip,rk3228-tsadc": found on RK3228 SoCs
"rockchip,rk3288-tsadc": found on RK3288 SoCs
"rockchip,rk3328-tsadc": found on RK3328 SoCs

39
drivers/thermal/rockchip_thermal.c
View File

@@ -222,11 +222,15 @@ 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)
#define MIN_TEMP (-40000)
#define MAX_TEMP (125000)
@@ -698,6 +702,14 @@ 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);
if (!IS_ERR(grf))
regmap_write(grf, PX30_GRF_SOC_CON2, GRF_CON_TSADC_CH_INV);
}
static void rk_tsadcv2_irq_ack(void __iomem *regs)
{
u32 val;
@@ -976,6 +988,30 @@ static const struct rockchip_tsadc_chip rk3288_tsadc_data = {
},
};
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 rk3328_tsadc_data = {
.chn_id[SENSOR_CPU] = 0, /* cpu sensor is channel 0 */
.chn_num = 1, /* one channels for tsadc */
@@ -1079,6 +1115,9 @@ static const struct of_device_id of_rockchip_thermal_match[] = {
.compatible = "rockchip,rv1108-tsadc",
.data = (void *)&rv1108_tsadc_data,
},
{ .compatible = "rockchip,px30-tsadc",
.data = (void *)&px30_tsadc_data,
},
{
.compatible = "rockchip,rk3228-tsadc",
.data = (void *)&rk3228_tsadc_data,