[ARM] pxa: add PWM devices support for pxa168/910

Signed-off-by: Mingwei Wang <mingwei.wang@marvell.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>

1 files changed, 20 insertions, 0 deletions

diff --git a/arch/arm/mach-mmp/include/mach/pxa910.h b/arch/arm/mach-mmp/include/mach/pxa910.h
index a0f0cbee1c07..6ae1ed7a0a9f 100644
--- a/arch/arm/mach-mmp/include/mach/pxa910.h
+++ b/arch/arm/mach-mmp/include/mach/pxa910.h
@@ -9,6 +9,10 @@ extern struct pxa_device_desc pxa910_device_uart1;
 extern struct pxa_device_desc pxa910_device_uart2;
 extern struct pxa_device_desc pxa910_device_twsi0;
 extern struct pxa_device_desc pxa910_device_twsi1;
+extern struct pxa_device_desc pxa910_device_pwm1;
+extern struct pxa_device_desc pxa910_device_pwm2;
+extern struct pxa_device_desc pxa910_device_pwm3;
+extern struct pxa_device_desc pxa910_device_pwm4;
 
 static inline int pxa910_add_uart(int id)
 {
@@ -44,4 +48,20 @@ static inline int pxa910_add_twsi(int id, struct i2c_pxa_platform_data *data,
 
         return pxa_register_device(d, data, sizeof(*data));
 }
+
+static inline int pxa910_add_pwm(int id)
+{
+        struct pxa_device_desc *d = NULL;
+
+        switch (id) {
+        case 1: d = &pxa910_device_pwm1; break;
+        case 2: d = &pxa910_device_pwm2; break;
+        case 3: d = &pxa910_device_pwm3; break;
+        case 4: d = &pxa910_device_pwm4; break;
+        default:
+                return -EINVAL;
+        }
+
+        return pxa_register_device(d, NULL, 0);
+}
 #endif /* __ASM_MACH_PXA910_H */