ARM: SAMSUNG: Add support s3c2443-adc for S3C2443

The S3C2443-adc is 10 bit wide and has its mux-select
in an extra register at base+0x18

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

1 files changed, 12 insertions, 5 deletions

diff --git a/arch/arm/plat-samsung/adc.c b/arch/arm/plat-samsung/adc.c
index 7821055a5046..8d8c4cc023db 100644
--- a/arch/arm/plat-samsung/adc.c
+++ b/arch/arm/plat-samsung/adc.c
@@ -41,6 +41,7 @@
 
 enum s3c_cpu_type {
         TYPE_ADCV1, /* S3C24XX */
+        TYPE_ADCV11, /* S3C2443 */
         TYPE_ADCV2, /* S3C64XX, S5P64X0, S5PC100 */
         TYPE_ADCV3, /* S5PV210, S5PC110, EXYNOS4210 */
 };
@@ -106,6 +107,9 @@ static inline void s3c_adc_select(struct adc_device *adc,
         if (!client->is_ts) {
                 if (cpu == TYPE_ADCV3)
                         writel(client->channel & 0xf, adc->regs + S5P_ADCMUX);
+                else if (cpu == TYPE_ADCV11)
+                        writel(client->channel & 0xf,
+                                                adc->regs + S3C2443_ADCMUX);
                 else
                         con |= S3C2410_ADCCON_SELMUX(client->channel);
         }
@@ -294,13 +298,13 @@ static irqreturn_t s3c_adc_irq(int irq, void *pw)
 
         client->nr_samples--;
 
-        if (cpu != TYPE_ADCV1) {
+        if (cpu == TYPE_ADCV1 || cpu == TYPE_ADCV11) {
+                data0 &= 0x3ff;
+                data1 &= 0x3ff;
+        } else {
                 /* S3C64XX/S5P ADC resolution is 12-bit */
                 data0 &= 0xfff;
                 data1 &= 0xfff;
-        } else {
-                data0 &= 0x3ff;
-                data1 &= 0x3ff;
         }
 
         if (client->convert_cb)
@@ -321,7 +325,7 @@ static irqreturn_t s3c_adc_irq(int irq, void *pw)
         }
 
 exit:
-        if (cpu != TYPE_ADCV1) {
+        if (cpu == TYPE_ADCV2 || cpu == TYPE_ADCV3) {
                 /* Clear ADC interrupt */
                 writel(0, adc->regs + S3C64XX_ADCCLRINT);
         }
@@ -493,6 +497,9 @@ static struct platform_device_id s3c_adc_driver_ids[] = {
                 .name           = "s3c24xx-adc",
                 .driver_data    = TYPE_ADCV1,
         }, {
+                .name           = "s3c2443-adc",
+                .driver_data    = TYPE_ADCV11,
+        }, {
                 .name           = "s3c64xx-adc",
                 .driver_data    = TYPE_ADCV2,
         }, {