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realtek: thermal: extend the driver to support rtl960x

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This commit adds support for RTL9607C / RTL8198D thermal controller.
Based on the Realtek SDK code.

Signed-off-by: Rustam Adilov <adilov@tutamail.com>
Link: https://github.com/openwrt/openwrt/pull/22081
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
This commit is contained in:
Rustam Adilov 2026-02-18 21:33:07 +05:00 • committed by Hauke Mehrtens
parent 2948dbebbf
commit 200158208e
2 changed files with 47 additions and 2 deletions
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45
target/linux/realtek/files-6.12/drivers/thermal/realtek-thermal.c
View file

@ -45,6 +45,16 @@
#define RTL9300_COMPARE_DLY_SHIFT (0)
#define RTL9300_COMPARE_DLY_MASK GENMASK(RTL9300_COMPARE_DLY_SHIFT + 15, RTL9300_COMPARE_DLY_SHIFT)
#define RTL9607_THERMAL_CTRL_0 0x150
#define RTL9607_REG_PPOW BIT(29)
#define RTL9607_THERMAL_CTRL_2 0x158
#define RTL9607_THERMAL_CTRL_5 0x164
#define RTL9607_THERMAL_STS_0 0x178
#define RTL9607_TEMP_OUT_MASK GENMASK(18, 0)
#define RTL9607_TEMP_OUT_SIGN BIT(18)
#define RTL9607_TEMP_OUT_INT GENMASK(17, 10)
#define RTL9607_TEMP_OUT_FLOAT GENMASK(9, 0)
struct realtek_thermal_priv {
struct regmap *regmap;
bool enabled;
@ -144,6 +154,40 @@ static const struct thermal_zone_device_ops rtl9300_ops = {
.get_temp = rtl9300_get_temp,
};
static void rtl9607_thermal_init(struct realtek_thermal_priv *priv)
{
priv->enabled = !regmap_update_bits(priv->regmap, RTL9607_THERMAL_CTRL_0, RTL9607_REG_PPOW, RTL9607_REG_PPOW);
}
static int rtl9607_get_temp(struct thermal_zone_device *tz, int *res)
{
struct realtek_thermal_priv *priv = thermal_zone_device_priv(tz);
int offset = thermal_zone_get_offset(tz);
int slope = thermal_zone_get_slope(tz);
u32 val;
int ret;
if (!priv->enabled)
rtl9607_thermal_init(priv);
ret = regmap_read(priv->regmap, RTL9607_THERMAL_STS_0, &val);
if (ret)
return ret;
/*
* The temperature sensor output consist of sign at bit 18, integer part at bits 17~10
* and fractional point with 0.5 scaling at bits 9~0.
* For simplicity, we only care about the integer part.
*/
*res = FIELD_GET(RTL9607_TEMP_OUT_INT, val) * slope + offset;
return 0;
}
static const struct thermal_zone_device_ops rtl9607_ops = {
.get_temp = rtl9607_get_temp,
};
static int realtek_thermal_probe(struct platform_device *pdev)
{
struct realtek_thermal_priv *priv;
@ -171,6 +215,7 @@ static const struct of_device_id realtek_sensor_ids[] = {
{ .compatible = "realtek,rtl8380-thermal", .data = &rtl8380_ops, },
{ .compatible = "realtek,rtl8390-thermal", .data = &rtl8390_ops, },
{ .compatible = "realtek,rtl9300-thermal", .data = &rtl9300_ops, },
{ .compatible = "realtek,rtl9607-thermal", .data = &rtl9607_ops, },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, realtek_sensor_ids);

4
target/linux/realtek/patches-6.12/330-add-realtek-thernal-driver.patch
View file

@ -6,10 +6,10 @@
+config REALTEK_THERMAL
+ tristate "Realtek RTL838x and RTL930x thermal sensor support"
+ depends on RTL838X || RTL839X || RTL930X || COMPILE_TEST
+ depends on RTL838X || RTL839X || RTL930X || RTL960X || COMPILE_TEST
+ depends on THERMAL_OF
+ help
+ Support thermal sensor in Realtek RTL838x, RTL839x and RTL930x SoCs
+ Support thermal sensor in Realtek RTL838x, RTL839x, RTL930x and RTL960x SoCs
+
endif
--- a/drivers/thermal/Makefile