- "rockchip,rk3066-i2s": for rk3066
- "rockchip,rk3188-i2s", "rockchip,rk3066-i2s": for rk3188
- "rockchip,rk3288-i2s", "rockchip,rk3066-i2s": for rk3288
+ - "rockchip,rk3368-i2s", "rockchip,rk3066-i2s": for rk3368
- "rockchip,rk3399-i2s", "rockchip,rk3066-i2s": for rk3399
- reg: physical base address of the controller and length of memory mapped
region.
return 0;
}
+static __maybe_unused int rt5514_i2c_resume(struct device *dev)
+{
+ struct rt5514_priv *rt5514 = dev_get_drvdata(dev);
+ unsigned int val;
+
+ /*
+ * Add a bogus read to avoid rt5514's confusion after s2r in case it
+ * saw glitches on the i2c lines and thought the other side sent a
+ * start bit.
+ */
+ regmap_read(rt5514->regmap, RT5514_VENDOR_ID2, &val);
+
+ return 0;
+}
+
static int rt5514_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct rt5514_platform_data *pdata = dev_get_platdata(&i2c->dev);
struct rt5514_priv *rt5514;
int ret;
- unsigned int val;
+ unsigned int val = ~0;
rt5514 = devm_kzalloc(&i2c->dev, sizeof(struct rt5514_priv),
GFP_KERNEL);
return ret;
}
- regmap_read(rt5514->regmap, RT5514_VENDOR_ID2, &val);
- if (val != RT5514_DEVICE_ID) {
+ /*
+ * The rt5514 can get confused if the i2c lines glitch together, as
+ * can happen at bootup as regulators are turned off and on. If it's
+ * in this glitched state the first i2c read will fail, so we'll give
+ * it one change to retry.
+ */
+ ret = regmap_read(rt5514->regmap, RT5514_VENDOR_ID2, &val);
+ if (ret || val != RT5514_DEVICE_ID)
+ ret = regmap_read(rt5514->regmap, RT5514_VENDOR_ID2, &val);
+ if (ret || val != RT5514_DEVICE_ID) {
dev_err(&i2c->dev,
"Device with ID register %x is not rt5514\n", val);
return -ENODEV;
return 0;
}
-struct i2c_driver rt5514_i2c_driver = {
+static const struct dev_pm_ops rt5514_i2_pm_ops = {
+ SET_SYSTEM_SLEEP_PM_OPS(NULL, rt5514_i2c_resume)
+};
+
+static struct i2c_driver rt5514_i2c_driver = {
.driver = {
.name = "rt5514",
.of_match_table = of_match_ptr(rt5514_of_match),
+ .pm = &rt5514_i2_pm_ops,
},
.probe = rt5514_i2c_probe,
.remove = rt5514_i2c_remove,
};
MODULE_DEVICE_TABLE(i2c, rt5645_i2c_id);
+#ifdef CONFIG_OF
+static const struct of_device_id rt5645_of_match[] = {
+ { .compatible = "realtek,rt5645", },
+ { .compatible = "realtek,rt5650", },
+ { }
+};
+MODULE_DEVICE_TABLE(of, rt5645_of_match);
+#endif
+
#ifdef CONFIG_ACPI
static const struct acpi_device_id rt5645_acpi_match[] = {
{ "10EC5645", 0 },
static struct i2c_driver rt5645_i2c_driver = {
.driver = {
.name = "rt5645",
+ .of_match_table = of_match_ptr(rt5645_of_match),
.acpi_match_table = ACPI_PTR(rt5645_acpi_match),
},
.probe = rt5645_i2c_probe,
};
MODULE_DEVICE_TABLE(i2c, rt5677_i2c_id);
+static const struct of_device_id rt5677_of_match[] = {
+ { .compatible = "realtek,rt5677", },
+ { }
+};
+MODULE_DEVICE_TABLE(of, rt5677_of_match);
+
static const struct acpi_gpio_params plug_det_gpio = { RT5677_GPIO_PLUG_DET, 0, false };
static const struct acpi_gpio_params mic_present_gpio = { RT5677_GPIO_MIC_PRESENT_L, 0, false };
static const struct acpi_gpio_params headphone_enable_gpio = { RT5677_GPIO_HP_AMP_SHDN_L, 0, false };
static struct i2c_driver rt5677_i2c_driver = {
.driver = {
.name = "rt5677",
+ .of_match_table = rt5677_of_match,
},
.probe = rt5677_i2c_probe,
.remove = rt5677_i2c_remove,
case 96000:
mclk = 12288000;
break;
+ case 192000:
+ mclk = 24576000;
+ break;
case 11025:
case 22050:
case 44100: