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ACPI / LPSS: Add Intel BayTrail ACPI mode PWM 

Intel BayTrail LPSS consists of two PWM controllers which can
be enumerated from ACPI namespace. This change will cause
platform device objects to be created for Intel BayTrail PWM
controllers which will allow the pwm-lpss driver to bind to them
and handle those devices.

Signed-off-by: Chew, Chiau Ee <chiau.ee.chew@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
hifive-unleashed-5.1
Chew, Chiau Ee 2014-02-19 02:24:29 +08:00 committed by Rafael J. Wysocki
parent 6d0abeca32
commit e1c7481797
1 changed files with 11 additions and 0 deletions
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11
drivers/acpi/acpi_lpss.c
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@ -102,6 +102,16 @@ static struct lpss_device_desc lpt_sdio_dev_desc = {
.ltr_required = true,
};
static struct lpss_shared_clock pwm_clock = {
.name = "pwm_clk",
.rate = 25000000,
};
static struct lpss_device_desc byt_pwm_dev_desc = {
.clk_required = true,
.shared_clock = &pwm_clock,
};
static struct lpss_shared_clock uart_clock = {
.name = "uart_clk",
.rate = 44236800,
@ -157,6 +167,7 @@ static const struct acpi_device_id acpi_lpss_device_ids[] = {
{ "INT33C7", },
/* BayTrail LPSS devices */
{ "80860F09", (unsigned long)&byt_pwm_dev_desc },
{ "80860F0A", (unsigned long)&byt_uart_dev_desc },
{ "80860F0E", (unsigned long)&byt_spi_dev_desc },
{ "80860F14", (unsigned long)&byt_sdio_dev_desc },