linux-kernel - Re: [PATCH 2/2] fbdev: ssd1307fb: add ssd1309 support

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Date:	Tue, 8 Sep 2015 18:02:50 -0500
From:	Rob Herring <robh@...nel.org>
To:	Olliver Schinagl <o.schinagl@...imaker.com>,
	Olliver Schinagl <oliver@...inagl.nl>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>
Cc:	Tomi Valkeinen <tomi.valkeinen@...com>,
	Thomas Niederprüm <niederp@...sik.uni-kl.de>,
	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	Prabhakar Lad <prabhakar.csengg@...il.com>,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-fbdev@...r.kernel.org
Subject: Re: [PATCH 2/2] fbdev: ssd1307fb: add ssd1309 support

On 09/08/2015 02:19 PM, Olliver Schinagl wrote:
> 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@...imaker.com>

Acked-by: Rob Herring <robh@...nel.org>

> ---
>  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);
> 

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