Add compatible string to distinguish whether SSC supports
frame sync length extension.
Signed-off-by: Bo Shen <voice.shen@xxxxxxxxx>
---
Changes in v2:
- Using compatible string to distinguish whether SSC supports
frame sync length extension to replace check IP version.
drivers/misc/atmel-ssc.c | 13 +++++++++++++
include/linux/atmel-ssc.h | 1 +
2 files changed, 14 insertions(+)
diff --git a/drivers/misc/atmel-ssc.c b/drivers/misc/atmel-ssc.c
index 22de137..60843a2 100644
--- a/drivers/misc/atmel-ssc.c
+++ b/drivers/misc/atmel-ssc.c
@@ -83,10 +83,17 @@ EXPORT_SYMBOL(ssc_free);
static struct atmel_ssc_platform_data at91rm9200_config = {
.use_dma = 0,
+ .has_fslen_ext = 0,
+};
+
+static struct atmel_ssc_platform_data at91sam9rl_config = {
+ .use_dma = 0,
+ .has_fslen_ext = 1,
};
static struct atmel_ssc_platform_data at91sam9g45_config = {
.use_dma = 1,
+ .has_fslen_ext = 1,
};
static const struct platform_device_id atmel_ssc_devtypes[] = {
@@ -94,6 +101,9 @@ static const struct platform_device_id atmel_ssc_devtypes[] = {
.name = "at91rm9200_ssc",
.driver_data = (unsigned long) &at91rm9200_config,
}, {
+ .name = "at91sam9rl_ssc",
+ .driver_data = (unsigned long) &at91sam9rl_config,
+ }, {
.name = "at91sam9g45_ssc",
.driver_data = (unsigned long) &at91sam9g45_config,
}, {
@@ -107,6 +117,9 @@ static const struct of_device_id atmel_ssc_dt_ids[] = {
.compatible = "atmel,at91rm9200-ssc",
.data = &at91rm9200_config,
}, {
+ .compatible = "atmel,at91sam9rl-ssc",
+ .data = &at91sam9rl_config,
+ }, {
.compatible = "atmel,at91sam9g45-ssc",
.data = &at91sam9g45_config,
}, {
diff --git a/include/linux/atmel-ssc.h b/include/linux/atmel-ssc.h
index 571a12e..e8dd408 100644
--- a/include/linux/atmel-ssc.h
+++ b/include/linux/atmel-ssc.h
@@ -7,6 +7,7 @@
struct atmel_ssc_platform_data {
int use_dma;
+ int has_fslen_ext;
};
struct ssc_device {
--
1.8.5.2
--
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