ARM: S3C64XX: Add S3C64XX support to the generic Samsung ADC driver

Add S3C64XX support to the generic Samsung ADC driver

Signed-off-by: Maurus Cuelenaere <mcuelenaere@gmail.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>

1 files changed, 25 insertions, 2 deletions

diff --git a/arch/arm/plat-samsung/adc.c b/arch/arm/plat-samsung/adc.c
index a8843dd5e1e7..120b7902fc2f 100644
--- a/arch/arm/plat-samsung/adc.c
+++ b/arch/arm/plat-samsung/adc.c
@@ -37,6 +37,11 @@
  * action is required.
  */
 
+enum s3c_cpu_type {
+        TYPE_S3C24XX,
+        TYPE_S3C64XX
+};
+
 struct s3c_adc_client {
         struct platform_device  *pdev;
         struct list_head         pend;
@@ -262,7 +267,7 @@ static irqreturn_t s3c_adc_irq(int irq, void *pw)
 
         if (!client) {
                 dev_warn(&adc->pdev->dev, "%s: no adc pending\n", __func__);
-                return IRQ_HANDLED;
+                goto exit;
         }
 
         data0 = readl(adc->regs + S3C2410_ADCDAT0);
@@ -289,6 +294,11 @@ static irqreturn_t s3c_adc_irq(int irq, void *pw)
                 local_irq_restore(flags);
         }
 
+exit:
+        if (platform_get_device_id(client->pdev)->driver_data == TYPE_S3C64XX) {
+                /* Clear ADC interrupt */
+                writel(0, adc->regs + S3C64XX_ADCCLRINT);
+        }
         return IRQ_HANDLED;
 }
 
@@ -410,9 +420,22 @@ static int s3c_adc_resume(struct platform_device *pdev)
 #define s3c_adc_resume NULL
 #endif
 
+static struct platform_device_id s3c_adc_driver_ids[] = {
+        {
+                .name           = "s3c24xx-adc",
+                .driver_data    = TYPE_S3C24XX,
+        }, {
+                .name           = "s3c64xx-adc",
+                .driver_data    = TYPE_S3C64XX,
+        },
+        { }
+};
+MODULE_DEVICE_TABLE(platform, s3c_adc_driver_ids);
+
 static struct platform_driver s3c_adc_driver = {
+        .id_table       = s3c_adc_driver_ids,
         .driver         = {
-                .name   = "s3c24xx-adc",
+                .name   = "s3c-adc",
                 .owner  = THIS_MODULE,
         },
         .probe          = s3c_adc_probe,