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

[Caesar Wang]

在 2017年08月11日 11:02, Zhang Rui 写道:

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....@rock-chips.com>

Reviewed-by: Caesar Wang <w...@rock-chips.com>

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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