[PATCH 2/2] fbdev: ssd1307fb: add ssd1309 support

[Olliver Schinagl]

The ssd1307fb driver supports a lot of chips from the ssd130xfb series.
This patch adds the ssd1309 chip, a 128x64 OLED driver chip. It is very
similar to the other chips and only has some definitions added to
support it.

Signed-off-by: Olliver Schinagl <o.schinagl@xxxxxxxxxxxxx>
---
 Documentation/devicetree/bindings/video/ssd1307fb.txt |  3 ++-
 drivers/video/fbdev/ssd1307fb.c                       | 11 +++++++++++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/video/ssd1307fb.txt b/Documentation/devicetree/bindings/video/ssd1307fb.txt
index d1be78d..eb31ed4 100644
--- a/Documentation/devicetree/bindings/video/ssd1307fb.txt
+++ b/Documentation/devicetree/bindings/video/ssd1307fb.txt
@@ -2,7 +2,8 @@
 
 Required properties:
   - compatible: Should be "solomon,<chip>fb-<bus>". The only supported bus for
-    now is i2c, and the supported chips are ssd1305, ssd1306 and ssd1307.
+    now is i2c, and the supported chips are ssd1305, ssd1306, ssd1307 and
+    ssd1309.
   - reg: Should contain address of the controller on the I2C bus. Most likely
          0x3c or 0x3d
   - pwm: Should contain the pwm to use according to the OF device tree PWM
diff --git a/drivers/video/fbdev/ssd1307fb.c b/drivers/video/fbdev/ssd1307fb.c
index 339615c..8fc7960 100644
--- a/drivers/video/fbdev/ssd1307fb.c
+++ b/drivers/video/fbdev/ssd1307fb.c
@@ -495,6 +495,12 @@ static struct ssd1307fb_deviceinfo ssd1307fb_ssd1307_deviceinfo = {
 	.need_pwm = 1,
 };
 
+static struct ssd1307fb_deviceinfo ssd1307fb_ssd1309_deviceinfo = {
+	.default_vcomh = 0x34,
+	.default_dclk_div = 1,
+	.default_dclk_frq = 10,
+};
+
 static const struct of_device_id ssd1307fb_of_match[] = {
 	{
 		.compatible = "solomon,ssd1305fb-i2c",
@@ -508,6 +514,10 @@ static const struct of_device_id ssd1307fb_of_match[] = {
 		.compatible = "solomon,ssd1307fb-i2c",
 		.data = (void *)&ssd1307fb_ssd1307_deviceinfo,
 	},
+	{
+		.compatible = "solomon,ssd1309fb-i2c",
+		.data = (void *)&ssd1307fb_ssd1309_deviceinfo,
+	},
 	{},
 };
 MODULE_DEVICE_TABLE(of, ssd1307fb_of_match);
@@ -708,6 +718,7 @@ static const struct i2c_device_id ssd1307fb_i2c_id[] = {
 	{ "ssd1305fb", 0 },
 	{ "ssd1306fb", 0 },
 	{ "ssd1307fb", 0 },
+	{ "ssd1309fb", 0 },
 	{ }
 };
 MODULE_DEVICE_TABLE(i2c, ssd1307fb_i2c_id);
-- 
2.1.4

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