diff options
| author | Loc Ho <lho@apm.com> | 2015-12-10 14:19:16 -0700 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2016-01-07 14:11:55 +0100 |
| commit | b790eb20b8e4a5c913fc62c49562c821165b4fad (patch) | |
| tree | 2ba504122075cc2736f2badbc5e773c732bc246e /drivers/acpi | |
| parent | fa9e93b11c6716b115f485f03930fa5a5c529e14 (diff) | |
| download | linux-b790eb20b8e4a5c913fc62c49562c821165b4fad.tar.bz2 | |
ACPI / APD: Add APM X-Gene ACPI I2C device support
Add APM X-Gene ACPI I2C device support by hooks into existent
ACPI APD driver. To fully enable support, require another
patch to add the X-Gene ACPI node into the DW I2C driver.
Signed-off-by: Loc Ho <lho@apm.com>
Reviewed-by: Ken Xue <Ken.Xue@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.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/acpi/acpi_apd.c b/drivers/acpi/acpi_apd.c index a450e7af877c..d507cf6deda0 100644 --- a/drivers/acpi/acpi_apd.c +++ b/drivers/acpi/acpi_apd.c @@ -51,7 +51,7 @@ struct apd_private_data { const struct apd_device_desc *dev_desc; }; -#ifdef CONFIG_X86_AMD_PLATFORM_DEVICE +#if defined(CONFIG_X86_AMD_PLATFORM_DEVICE) || defined(CONFIG_ARM64) #define APD_ADDR(desc) ((unsigned long)&desc) static int acpi_apd_setup(struct apd_private_data *pdata) @@ -71,6 +71,7 @@ static int acpi_apd_setup(struct apd_private_data *pdata) return 0; } +#ifdef CONFIG_X86_AMD_PLATFORM_DEVICE static struct apd_device_desc cz_i2c_desc = { .setup = acpi_apd_setup, .fixed_clk_rate = 133000000, @@ -80,6 +81,14 @@ static struct apd_device_desc cz_uart_desc = { .setup = acpi_apd_setup, .fixed_clk_rate = 48000000, }; +#endif + +#ifdef CONFIG_ARM64 +static struct apd_device_desc xgene_i2c_desc = { + .setup = acpi_apd_setup, + .fixed_clk_rate = 100000000, +}; +#endif #else @@ -132,9 +141,14 @@ static int acpi_apd_create_device(struct acpi_device *adev, 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) }, { "AMD0020", APD_ADDR(cz_uart_desc) }, { "AMD0030", }, +#endif +#ifdef CONFIG_ARM64 + { "APMC0D0F", APD_ADDR(xgene_i2c_desc) }, +#endif { } }; |