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authorNehal Shah <Nehal-Bakulchandra.Shah@amd.com>2016-10-19 11:00:32 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2016-10-24 14:24:50 +0200
commit4881f0bad9eb56bb7257e2386ffb27ef969bb6ce (patch)
tree27548a59d55b76491635a7bd1871f235ecac369c /drivers/acpi
parentLinux 4.9-rc2 (diff)
downloadlinux-4881f0bad9eb56bb7257e2386ffb27ef969bb6ce.tar.xz
linux-4881f0bad9eb56bb7257e2386ffb27ef969bb6ce.zip
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>
Diffstat (limited to 'drivers/acpi')
-rw-r--r--drivers/acpi/acpi_apd.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/acpi/acpi_apd.c b/drivers/acpi/acpi_apd.c
index d58fbf7f04e6..5ec7f3af7e9a 100644
--- a/drivers/acpi/acpi_apd.c
+++ b/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", },