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ACPI / APD: Add clock frequency for Hisilicon Hip07/08 I2C controller
authorHanjun Guo <hanjun.guo@linaro.org>
Sat, 22 Apr 2017 03:23:43 +0000 (11:23 +0800)
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>
Wed, 26 Apr 2017 22:09:18 +0000 (00:09 +0200)
I2C clock frequency of Designware ip for Hisilicon Hip07 is 200M,
but 250M for Hip08, use two ACPI IDs to differentiate them.

Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
Reviewed-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
drivers/acpi/acpi_apd.c

index 26696b6..8f57648 100644 (file)
@@ -106,6 +106,16 @@ static const struct apd_device_desc vulcan_spi_desc = {
        .setup = acpi_apd_setup,
        .fixed_clk_rate = 133000000,
 };
+
+static const struct apd_device_desc hip07_i2c_desc = {
+       .setup = acpi_apd_setup,
+       .fixed_clk_rate = 200000000,
+};
+
+static const struct apd_device_desc hip08_i2c_desc = {
+       .setup = acpi_apd_setup,
+       .fixed_clk_rate = 250000000,
+};
 #endif
 
 #else
@@ -169,6 +179,8 @@ static const struct acpi_device_id acpi_apd_device_ids[] = {
 #ifdef CONFIG_ARM64
        { "APMC0D0F", APD_ADDR(xgene_i2c_desc) },
        { "BRCM900D", APD_ADDR(vulcan_spi_desc) },
+       { "HISI0A21", APD_ADDR(hip07_i2c_desc) },
+       { "HISI0A22", APD_ADDR(hip08_i2c_desc) },
 #endif
        { }
 };