mfd: mc13xxx: Add support for mc34708

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Marc Reilly <marc@cpdesign.com.au>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

4 files changed, 33 insertions, 1 deletions

diff --git a/drivers/mfd/mc13xxx-core.c b/drivers/mfd/mc13xxx-core.c
index 40afdb9b73f5..2a9b100c4825 100644
--- a/drivers/mfd/mc13xxx-core.c
+++ b/drivers/mfd/mc13xxx-core.c
@@ -119,6 +119,11 @@
 #define MC13XXX_REVISION_FAB            (0x03 << 11)
 #define MC13XXX_REVISION_ICIDCODE       (0x3f << 13)
 
+#define MC34708_REVISION_REVMETAL       (0x07 <<  0)
+#define MC34708_REVISION_REVFULL        (0x07 <<  3)
+#define MC34708_REVISION_FIN            (0x07 <<  6)
+#define MC34708_REVISION_FAB            (0x07 <<  9)
+
 #define MC13XXX_ADC1            44
 #define MC13XXX_ADC1_ADEN               (1 << 0)
 #define MC13XXX_ADC1_RAND               (1 << 1)
@@ -424,6 +429,16 @@ static void mc13xxx_print_revision(struct mc13xxx *mc13xxx, u32 revision)
                         maskval(revision, MC13XXX_REVISION_ICIDCODE));
 }
 
+static void mc34708_print_revision(struct mc13xxx *mc13xxx, u32 revision)
+{
+        dev_info(mc13xxx->dev, "%s: rev %d.%d, fin: %d, fab: %d\n",
+                        mc13xxx->variant->name,
+                        maskval(revision, MC34708_REVISION_REVFULL),
+                        maskval(revision, MC34708_REVISION_REVMETAL),
+                        maskval(revision, MC34708_REVISION_FIN),
+                        maskval(revision, MC34708_REVISION_FAB));
+}
+
 /* These are only exported for mc13xxx-i2c and mc13xxx-spi */
 struct mc13xxx_variant mc13xxx_variant_mc13783 = {
         .name = "mc13783",
@@ -437,6 +452,12 @@ struct mc13xxx_variant mc13xxx_variant_mc13892 = {
 };
 EXPORT_SYMBOL_GPL(mc13xxx_variant_mc13892);
 
+struct mc13xxx_variant mc13xxx_variant_mc34708 = {
+        .name = "mc34708",
+        .print_revision = mc34708_print_revision,
+};
+EXPORT_SYMBOL_GPL(mc13xxx_variant_mc34708);
+
 static const char *mc13xxx_get_chipname(struct mc13xxx *mc13xxx)
 {
         return mc13xxx->variant->name;
diff --git a/drivers/mfd/mc13xxx-i2c.c b/drivers/mfd/mc13xxx-i2c.c
index 4a0afc7f2d4e..bfc1284537ea 100644
--- a/drivers/mfd/mc13xxx-i2c.c
+++ b/drivers/mfd/mc13xxx-i2c.c
@@ -26,6 +26,9 @@ static const struct i2c_device_id mc13xxx_i2c_device_id[] = {
                 .name = "mc13892",
                 .driver_data = (kernel_ulong_t)&mc13xxx_variant_mc13892,
         }, {
+                .name = "mc34708",
+                .driver_data = (kernel_ulong_t)&mc13xxx_variant_mc34708,
+        }, {
                 /* sentinel */
         }
 };
@@ -36,6 +39,9 @@ static const struct of_device_id mc13xxx_dt_ids[] = {
                 .compatible = "fsl,mc13892",
                 .data = &mc13xxx_variant_mc13892,
         }, {
+                .compatible = "fsl,mc34708",
+                .data = &mc13xxx_variant_mc34708,
+        }, {
                 /* sentinel */
         }
 };
diff --git a/drivers/mfd/mc13xxx-spi.c b/drivers/mfd/mc13xxx-spi.c
index 9b1e60827f37..afca4f92f0cf 100644
--- a/drivers/mfd/mc13xxx-spi.c
+++ b/drivers/mfd/mc13xxx-spi.c
@@ -33,6 +33,9 @@ static const struct spi_device_id mc13xxx_device_id[] = {
                 .name = "mc13892",
                 .driver_data = (kernel_ulong_t)&mc13xxx_variant_mc13892,
         }, {
+                .name = "mc34708",
+                .driver_data = (kernel_ulong_t)&mc13xxx_variant_mc34708,
+        }, {
                 /* sentinel */
         }
 };
@@ -41,6 +44,7 @@ MODULE_DEVICE_TABLE(spi, mc13xxx_device_id);
 static const struct of_device_id mc13xxx_dt_ids[] = {
         { .compatible = "fsl,mc13783", .data = &mc13xxx_variant_mc13783, },
         { .compatible = "fsl,mc13892", .data = &mc13xxx_variant_mc13892, },
+        { .compatible = "fsl,mc34708", .data = &mc13xxx_variant_mc34708, },
         { /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, mc13xxx_dt_ids);
diff --git a/drivers/mfd/mc13xxx.h b/drivers/mfd/mc13xxx.h
index 78bf4c3c1fac..460ec5c7b18c 100644
--- a/drivers/mfd/mc13xxx.h
+++ b/drivers/mfd/mc13xxx.h
@@ -24,7 +24,8 @@ struct mc13xxx_variant {
 
 extern struct mc13xxx_variant
                 mc13xxx_variant_mc13783,
-                mc13xxx_variant_mc13892;
+                mc13xxx_variant_mc13892,
+                mc13xxx_variant_mc34708;
 
 struct mc13xxx {
         struct regmap *regmap;