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ACPI / APD: Add clock frequency for future AMD I2C controller

This patch supports 150 Mhz i2c clock frequency for Designware ip of future AMD I2C controller.

Reviewed-by: S-k, Shyam-sundar <Shyam-sundar.S-k@amd.com>
Signed-off-by: Shah, Nehal-bakulchandra <Nehal-bakulchandra.Shah@amd.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Nehal Shah 8 years ago
parent
commit
4881f0bad9
1 changed files with 6 additions and 1 deletions
  1. 6 1
      drivers/acpi/acpi_apd.c

+ 6 - 1
drivers/acpi/acpi_apd.c

@@ -77,6 +77,11 @@ static const struct apd_device_desc cz_i2c_desc = {
 	.fixed_clk_rate = 133000000,
 };
 
+static const struct apd_device_desc wt_i2c_desc = {
+	.setup = acpi_apd_setup,
+	.fixed_clk_rate = 150000000,
+};
+
 static struct property_entry uart_properties[] = {
 	PROPERTY_ENTRY_U32("reg-io-width", 4),
 	PROPERTY_ENTRY_U32("reg-shift", 2),
@@ -162,7 +167,7 @@ static const struct acpi_device_id acpi_apd_device_ids[] = {
 	/* Generic apd devices */
 #ifdef CONFIG_X86_AMD_PLATFORM_DEVICE
 	{ "AMD0010", APD_ADDR(cz_i2c_desc) },
-	{ "AMDI0010", APD_ADDR(cz_i2c_desc) },
+	{ "AMDI0010", APD_ADDR(wt_i2c_desc) },
 	{ "AMD0020", APD_ADDR(cz_uart_desc) },
 	{ "AMDI0020", APD_ADDR(cz_uart_desc) },
 	{ "AMD0030", },