[PATCH v2 1/2] ACPI / APD: Add clock frequency for Hisilicon Hip08-Lite I2C controller

Hanjun Guo
2020-02-03T01:41:39Z

I2C clock frequency of Designware ip for Hisilicon Hip08 Lite
is 125M, use a new ACPI HID to enable it.

Tested-by: Sheng Feng <fengsheng5@huawei.com>
Signed-off-by: Hanjun Guo <guohanjun@huawei.com>
---

v2:
- Reverse the order of the two patches suggested by Andy;

drivers/acpi/acpi_apd.c | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/drivers/acpi/acpi_apd.c b/drivers/acpi/acpi_apd.c
index 71511ae..ba2612e 100644
--- a/drivers/acpi/acpi_apd.c
+++ b/drivers/acpi/acpi_apd.c
@@ -161,6 +161,11 @@ static int st_misc_setup(struct apd_private_data *pdata)
.fixed_clk_rate = 250000000,
};

+static const struct apd_device_desc hip08_lite_i2c_desc = {
+ .setup = acpi_apd_setup,
+ .fixed_clk_rate = 125000000,
+};
+
static const struct apd_device_desc thunderx2_i2c_desc = {
.setup = acpi_apd_setup,
.fixed_clk_rate = 125000000,
@@ -243,6 +248,7 @@ static int acpi_apd_create_device(struct acpi_device *adev,
{ "CAV9007", APD_ADDR(thunderx2_i2c_desc) },
{ "HISI02A1", APD_ADDR(hip07_i2c_desc) },
{ "HISI02A2", APD_ADDR(hip08_i2c_desc) },
+ { "HISI02A3", APD_ADDR(hip08_lite_i2c_desc) },
{ "HISI0173", APD_ADDR(hip08_spi_desc) },
{ "NXP0001", APD_ADDR(nxp_i2c_desc) },
#endif
--
1.7.12.4