#include <linux/platform_data/x86/pmc_atom.h>
#include <linux/pm_domain.h>
#include <linux/pm_runtime.h>
+#include <linux/pwm.h>
#include <linux/delay.h>
#include "internal.h"
writel(val, pdata->mmio_base + offset);
}
+/*
+ * BYT PWM used for backlight control by the i915 driver on systems without
+ * the Crystal Cove PMIC.
+ */
+static struct pwm_lookup byt_pwm_lookup[] = {
+ PWM_LOOKUP_WITH_MODULE("80860F09:00", 0, "0000:00:02.0",
+ "pwm_backlight", 0, PWM_POLARITY_NORMAL,
+ "pwm-lpss-platform"),
+};
+
+static void byt_pwm_setup(struct lpss_private_data *pdata)
+{
+ if (!acpi_dev_present("INT33FD", NULL, -1))
+ pwm_add_table(byt_pwm_lookup, ARRAY_SIZE(byt_pwm_lookup));
+}
+
#define LPSS_I2C_ENABLE 0x6c
static void byt_i2c_setup(struct lpss_private_data *pdata)
writel(0, pdata->mmio_base + LPSS_I2C_ENABLE);
}
+/* BSW PWM used for backlight control by the i915 driver */
+static struct pwm_lookup bsw_pwm_lookup[] = {
+ PWM_LOOKUP_WITH_MODULE("80862288:00", 0, "0000:00:02.0",
+ "pwm_backlight", 0, PWM_POLARITY_NORMAL,
+ "pwm-lpss-platform"),
+};
+
+static void bsw_pwm_setup(struct lpss_private_data *pdata)
+{
+ pwm_add_table(bsw_pwm_lookup, ARRAY_SIZE(bsw_pwm_lookup));
+}
+
static const struct lpss_device_desc lpt_dev_desc = {
.flags = LPSS_CLK | LPSS_CLK_GATE | LPSS_CLK_DIVIDER | LPSS_LTR,
.prv_offset = 0x800,
static const struct lpss_device_desc byt_pwm_dev_desc = {
.flags = LPSS_SAVE_CTX,
+ .setup = byt_pwm_setup,
};
static const struct lpss_device_desc bsw_pwm_dev_desc = {
.flags = LPSS_SAVE_CTX | LPSS_NO_D3_DELAY,
+ .setup = bsw_pwm_setup,
};
static const struct lpss_device_desc byt_uart_dev_desc = {