Qualcomm PM8921 has a PWM module which can output 8 channels
of PWM signals.
Signed-off-by: Willie Ruan <wruan@xxxxxxxxxxxxxx>
---
drivers/mfd/pm8921-core.c | 11 +++++++++++
include/linux/mfd/pm8xxx/pm8921.h | 1 +
2 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/drivers/mfd/pm8921-core.c b/drivers/mfd/pm8921-core.c
index 2fbd42d..47b1189 100644
--- a/drivers/mfd/pm8921-core.c
+++ b/drivers/mfd/pm8921-core.c
@@ -107,6 +107,11 @@ static const struct resource mpp_cell_resources[] __devinitconst = {
},
};
+static struct mfd_cell pwm_cell __devinitdata = {
+ .name = PM8XXX_PWM_DEV_NAME,
+ .id = -1,
+};
+
static struct mfd_cell mpp_cell __devinitdata = {
.name = PM8XXX_MPP_DEV_NAME,
.id = -1,
@@ -160,6 +165,12 @@ static int __devinit pm8921_add_subdevices(const struct pm8921_platform_data
}
}
+ ret = mfd_add_devices(pmic->dev, 0, &pwm_cell, 1, NULL, 0);
+ if (ret) {
+ pr_err("Failed to add pwm subdevice ret=%d\n", ret);
+ goto bail;
+ }
+
return 0;
bail:
if (pmic->irq_chip) {
diff --git a/include/linux/mfd/pm8xxx/pm8921.h b/include/linux/mfd/pm8xxx/pm8921.h
index 19cffb2..8132325 100644
--- a/include/linux/mfd/pm8xxx/pm8921.h
+++ b/include/linux/mfd/pm8xxx/pm8921.h
@@ -22,6 +22,7 @@
#include <linux/mfd/pm8xxx/irq.h>
#include <linux/mfd/pm8xxx/gpio.h>
#include <linux/mfd/pm8xxx/mpp.h>
+#include <linux/mfd/pm8xxx/pwm.h>
#define PM8921_NR_IRQS 256
--
1.6.5.2
--
Sent by an employee of the Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.
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