[RFC PATCH 1/3] amba-clcd: Add Device Tree support to amba-clcd driver
Sascha Hauer
s.hauer at pengutronix.de
Fri Sep 21 21:43:45 EST 2012
On Wed, Sep 19, 2012 at 05:04:24PM +0100, Ryan Harkin wrote:
> Add support to parse the display configuration from device tree.
>
> If the board does not provide platform specific functions in the struct
> clcd_board contained with the amba device info, then defaults are provided
> by the driver.
>
> The device tree configuration can either ask for a DMA setup or provide a
> framebuffer address to be remapped into the driver.
>
> Signed-off-by: Ryan Harkin <ryan.harkin at linaro.org>
> ---
[...]
> +
> +struct clcd_panel *getPanel(struct device_node *node)
> +{
> + static struct clcd_panel panel;
> +
> + panel.mode.refresh = get_val(node, "refresh");
> + panel.mode.xres = get_val(node, "xres");
> + panel.mode.yres = get_val(node, "yres");
> + panel.mode.pixclock = get_val(node, "pixclock");
> + panel.mode.left_margin = get_val(node, "left_margin");
> + panel.mode.right_margin = get_val(node, "right_margin");
> + panel.mode.upper_margin = get_val(node, "upper_margin");
> + panel.mode.lower_margin = get_val(node, "lower_margin");
> + panel.mode.hsync_len = get_val(node, "hsync_len");
> + panel.mode.vsync_len = get_val(node, "vsync_len");
> + panel.mode.sync = get_val(node, "sync");
We are currently discussing a common panel description for the
devicetree. You are invited to join in here:
http://comments.gmane.org/gmane.linux.drivers.devicetree/21386
We shouldn't add any more device specific panel descriptions.
Sascha
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