Re: [PATCH 2/5] thermal: rockchip: Support the RK3328 SOC in thermal driver

From: Caesar Wang
Date: Fri Aug 11 2017 - 00:03:31 EST


å 2017å08æ11æ 11:02, Zhang Rui åé:
On Tue, 2017-07-25 at 17:09 +0800, Rocky Hao wrote:
RK3328 SOC has one Temperature Sensor for CPU.

Change-Id: I176c76bae1801d815a513986cfefcb55272c69a8
Signed-off-by: Rocky Hao <rocky.hao@xxxxxxxxxxxxxx>
Reviewed-by: Caesar Wang <wxt@xxxxxxxxxxxxxx>

Caesar,

what do you think of this patch?

Have a look at the rk3328's TRM, looks good to me.


-Caesar


thanks,
rui

---
drivers/thermal/rockchip_thermal.c | 65
++++++++++++++++++++++++++++++++++++++
1 file changed, 65 insertions(+)

diff --git a/drivers/thermal/rockchip_thermal.c
b/drivers/thermal/rockchip_thermal.c
index 4c7796512453..206035139110 100644
--- a/drivers/thermal/rockchip_thermal.c
+++ b/drivers/thermal/rockchip_thermal.c
@@ -320,6 +320,44 @@ struct tsadc_table {
{0, 125000},
};
+static const struct tsadc_table rk3328_code_table[] = {
+ {0, -40000},
+ {296, -40000},
+ {304, -35000},
+ {313, -30000},
+ {331, -20000},
+ {340, -15000},
+ {349, -10000},
+ {359, -5000},
+ {368, 0},
+ {378, 5000},
+ {388, 10000},
+ {398, 15000},
+ {408, 20000},
+ {418, 25000},
+ {429, 30000},
+ {440, 35000},
+ {451, 40000},
+ {462, 45000},
+ {473, 50000},
+ {485, 55000},
+ {496, 60000},
+ {508, 65000},
+ {521, 70000},
+ {533, 75000},
+ {546, 80000},
+ {559, 85000},
+ {572, 90000},
+ {586, 95000},
+ {600, 100000},
+ {614, 105000},
+ {629, 110000},
+ {644, 115000},
+ {659, 120000},
+ {675, 125000},
+ {TSADCV2_DATA_MASK, 125000},
+};
+
static const struct tsadc_table rk3368_code_table[] = {
{0, -40000},
{106, -40000},
@@ -790,6 +828,29 @@ static void rk_tsadcv2_tshut_mode(int chn, void
__iomem *regs,
},
};
+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 */
+
+ .tshut_mode = TSHUT_MODE_CRU, /* default TSHUT via CRU */
+ .tshut_temp = 95000,
+
+ .initialize = rk_tsadcv2_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 rk3366_tsadc_data = {
.chn_id[SENSOR_CPU] = 0, /* cpu sensor is channel 0 */
.chn_id[SENSOR_GPU] = 1, /* gpu sensor is channel 1 */
@@ -875,6 +936,10 @@ static void rk_tsadcv2_tshut_mode(int chn, void
__iomem *regs,
.data = (void *)&rk3288_tsadc_data,
},
{
+ .compatible = "rockchip,rk3328-tsadc",
+ .data = (void *)&rk3328_tsadc_data,
+ },
+ {
.compatible = "rockchip,rk3366-tsadc",
.data = (void *)&rk3366_tsadc_data,
},
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