158 lines
4.9 KiB
Diff
158 lines
4.9 KiB
Diff
From db59f6529569cdd5f5c5b9f17d6eab9bfca628c2 Mon Sep 17 00:00:00 2001
|
|
From: Kali Prasad <kprasadvnsi@protonmail.com>
|
|
Date: Sun, 19 Sep 2021 13:32:27 +0530
|
|
Subject: [PATCH 059/170] drv:thermal:sun8i_thermal Add for H616
|
|
|
|
Thermal driver for H616 SoC. Compared to H6, it has
|
|
two additional temperature sensors for VE and DDR.
|
|
|
|
Signed-off-by: Kali Prasad <kprasadvnsi@protonmail.com>
|
|
---
|
|
drivers/thermal/sun8i_thermal.c | 102 ++++++++++++++++++++++++++++++++
|
|
1 file changed, 102 insertions(+)
|
|
|
|
diff --git a/drivers/thermal/sun8i_thermal.c b/drivers/thermal/sun8i_thermal.c
|
|
index f1abc459e..52fec7800 100644
|
|
--- a/drivers/thermal/sun8i_thermal.c
|
|
+++ b/drivers/thermal/sun8i_thermal.c
|
|
@@ -108,6 +108,12 @@ static int sun50i_h5_calc_temp(struct ths_device *tmdev,
|
|
return -1590 * reg / 10 + 276000;
|
|
}
|
|
|
|
+static int sun50i_h616_calc_temp(struct ths_device *tmdev,
|
|
+ int id, int reg)
|
|
+{
|
|
+ return (reg + tmdev->chip->offset) * tmdev->chip->scale;
|
|
+}
|
|
+
|
|
static int sun8i_ths_get_temp(struct thermal_zone_device *tz, int *temp)
|
|
{
|
|
struct tsensor *s = tz->devdata;
|
|
@@ -278,6 +284,64 @@ static int sun50i_h6_ths_calibrate(struct ths_device *tmdev,
|
|
return 0;
|
|
}
|
|
|
|
+static int sun50i_h616_ths_calibrate(struct ths_device *tmdev,
|
|
+ u16 *caldata, int callen)
|
|
+{
|
|
+ struct device *dev = tmdev->dev;
|
|
+ int i, ft_temp;
|
|
+
|
|
+ if (!caldata[0])
|
|
+ return -EINVAL;
|
|
+
|
|
+ /*
|
|
+ * h616 efuse THS calibration data layout:
|
|
+ *
|
|
+ * 0 11 16 27 32 43 48 57
|
|
+ * +----------+-----------+-----------+-----------+
|
|
+ * | temp | |sensor0| |sensor1| |sensor2| |
|
|
+ * +----------+-----------+-----------+-----------+
|
|
+ * ^ ^ ^
|
|
+ * | | |
|
|
+ * | | sensor3[11:8]
|
|
+ * | sensor3[7:4]
|
|
+ * sensor3[3:0]
|
|
+ *
|
|
+ * The calibration data on the H616 is the ambient temperature and
|
|
+ * sensor values that are filled during the factory test stage.
|
|
+ *
|
|
+ * The unit of stored FT temperature is 0.1 degreee celusis.
|
|
+ */
|
|
+ ft_temp = caldata[0] & FT_TEMP_MASK;
|
|
+
|
|
+ for (i = 0; i < tmdev->chip->sensor_num; i++) {
|
|
+ int delta, cdata, offset, reg;
|
|
+
|
|
+ if (i == 3)
|
|
+ reg = (caldata[1] >> 12)
|
|
+ | (caldata[2] >> 12 << 4)
|
|
+ | (caldata[3] >> 12 << 8);
|
|
+ else
|
|
+ reg = (int)caldata[i + 1] & TEMP_CALIB_MASK;
|
|
+
|
|
+ delta = (ft_temp * 100 - tmdev->chip->calc_temp(tmdev, i, reg))
|
|
+ / tmdev->chip->scale;
|
|
+ cdata = CALIBRATE_DEFAULT - delta;
|
|
+ if (cdata & ~TEMP_CALIB_MASK) {
|
|
+ dev_warn(dev, "sensor%d is not calibrated.\n", i);
|
|
+
|
|
+ continue;
|
|
+ }
|
|
+
|
|
+ offset = (i % 2) * 16;
|
|
+ regmap_update_bits(tmdev->regmap,
|
|
+ SUN50I_H6_THS_TEMP_CALIB + (i / 2 * 4),
|
|
+ 0xfff << offset,
|
|
+ cdata << offset);
|
|
+ }
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
static int sun8i_ths_calibrate(struct ths_device *tmdev)
|
|
{
|
|
struct nvmem_cell *calcell;
|
|
@@ -477,6 +541,30 @@ static int sun50i_h6_thermal_init(struct ths_device *tmdev)
|
|
return 0;
|
|
}
|
|
|
|
+static int sun50i_h616_thermal_init(struct ths_device *tmdev)
|
|
+{
|
|
+ int val;
|
|
+
|
|
+ /*
|
|
+ * For sun50iw9p1:
|
|
+ * It is necessary that reg[0x03000000] bit[16] is 0.
|
|
+ */
|
|
+ regmap_write(tmdev->regmap, SUN50I_THS_CTRL0,
|
|
+ SUN8I_THS_CTRL0_T_ACQ0(47) | SUN8I_THS_CTRL2_T_ACQ1(479));
|
|
+ regmap_write(tmdev->regmap, SUN50I_H6_THS_MFC,
|
|
+ SUN50I_THS_FILTER_EN |
|
|
+ SUN50I_THS_FILTER_TYPE(1));
|
|
+ regmap_write(tmdev->regmap, SUN50I_H6_THS_PC,
|
|
+ SUN50I_H6_THS_PC_TEMP_PERIOD(365));
|
|
+ val = GENMASK(tmdev->chip->sensor_num - 1, 0);
|
|
+ regmap_write(tmdev->regmap, SUN50I_H6_THS_ENABLE, val);
|
|
+ /* thermal data interrupt enable */
|
|
+ val = GENMASK(tmdev->chip->sensor_num - 1, 0);
|
|
+ regmap_write(tmdev->regmap, SUN50I_H6_THS_DIC, val);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
static int sun8i_ths_register(struct ths_device *tmdev)
|
|
{
|
|
int i;
|
|
@@ -651,6 +739,19 @@ static const struct ths_thermal_chip sun50i_h6_ths = {
|
|
.calc_temp = sun8i_ths_calc_temp,
|
|
};
|
|
|
|
+static const struct ths_thermal_chip sun50i_h616_ths = {
|
|
+ .sensor_num = 4,
|
|
+ .has_bus_clk_reset = true,
|
|
+ .ft_deviation = 8000,
|
|
+ .offset = -3255,
|
|
+ .scale = -81,
|
|
+ .temp_data_base = SUN50I_H6_THS_TEMP_DATA,
|
|
+ .calibrate = sun50i_h616_ths_calibrate,
|
|
+ .init = sun50i_h616_thermal_init,
|
|
+ .irq_ack = sun50i_h6_irq_ack,
|
|
+ .calc_temp = sun50i_h616_calc_temp,
|
|
+};
|
|
+
|
|
static const struct of_device_id of_ths_match[] = {
|
|
{ .compatible = "allwinner,sun8i-a83t-ths", .data = &sun8i_a83t_ths },
|
|
{ .compatible = "allwinner,sun8i-h3-ths", .data = &sun8i_h3_ths },
|
|
@@ -659,6 +760,7 @@ static const struct of_device_id of_ths_match[] = {
|
|
{ .compatible = "allwinner,sun50i-a100-ths", .data = &sun50i_a100_ths },
|
|
{ .compatible = "allwinner,sun50i-h5-ths", .data = &sun50i_h5_ths },
|
|
{ .compatible = "allwinner,sun50i-h6-ths", .data = &sun50i_h6_ths },
|
|
+ { .compatible = "allwinner,sun50i-h616-ths", .data = &sun50i_h616_ths },
|
|
{ /* sentinel */ },
|
|
};
|
|
MODULE_DEVICE_TABLE(of, of_ths_match);
|
|
--
|
|
2.35.3
|
|
|