On Fri, May 25, 2018 at 05:27:51PM -0700, Abhinav Kumar wrote:
> Add support for Truly NT35597 panel used
> in MSM reference platforms.
>
> This panel supports both single DSI and dual DSI
> modes.
>
> However, this patch series adds support only for
> dual DSI mode.
>
> Changes in v4:
> - Fix the license identifier
> - Fix formatting issues for the regulator loads
> - Fix error messages and return code
>
> Signed-off-by: Archit Taneja <architt@xxxxxxxxxxxxxx>
> Signed-off-by: Abhinav Kumar <abhinavk@xxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/panel/Kconfig | 8 +
> drivers/gpu/drm/panel/Makefile | 1 +
> drivers/gpu/drm/panel/panel-truly-nt35597.c | 576 ++++++++++++++++++++++++++++
> 3 files changed, 585 insertions(+)
> create mode 100644 drivers/gpu/drm/panel/panel-truly-nt35597.c
>
> diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig
> index 25682ff..2fcd9b1 100644
> --- a/drivers/gpu/drm/panel/Kconfig
> +++ b/drivers/gpu/drm/panel/Kconfig
> @@ -177,4 +177,12 @@ config DRM_PANEL_SITRONIX_ST7789V
> Say Y here if you want to enable support for the Sitronix
> ST7789V controller for 240x320 LCD panels
>
> +config DRM_PANEL_TRULY_NT35597_WQXGA
> + tristate "Truly WQXGA"
> + depends on OF
> + depends on DRM_MIPI_DSI
> + select VIDEOMODE_HELPERS
> + help
> + Say Y here if you want to enable support for Truly NT35597 WQXGA Dual DSI
> + Video Mode panel
> endmenu
> diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile
> index f26efc1..056ea93 100644
> --- a/drivers/gpu/drm/panel/Makefile
> +++ b/drivers/gpu/drm/panel/Makefile
> @@ -18,3 +18,4 @@ obj-$(CONFIG_DRM_PANEL_SEIKO_43WVF1G) += panel-seiko-43wvf1g.o
> obj-$(CONFIG_DRM_PANEL_SHARP_LQ101R1SX01) += panel-sharp-lq101r1sx01.o
> obj-$(CONFIG_DRM_PANEL_SHARP_LS043T1LE01) += panel-sharp-ls043t1le01.o
> obj-$(CONFIG_DRM_PANEL_SITRONIX_ST7789V) += panel-sitronix-st7789v.o
> +obj-$(CONFIG_DRM_PANEL_TRULY_NT35597_WQXGA) += panel-truly-nt35597.o
> diff --git a/drivers/gpu/drm/panel/panel-truly-nt35597.c b/drivers/gpu/drm/panel/panel-truly-nt35597.c
> new file mode 100644
> index 0000000..a57cbf0
> --- /dev/null
> +++ b/drivers/gpu/drm/panel/panel-truly-nt35597.c
> @@ -0,0 +1,576 @@
> +// SPDX-License-Identifier: GPL-2.0
I guess it is up to Sean and Rob if they want to accept // comments for SPDX.
I'm not sure there is a hard and fast rule about it.
> +/*
> + * Copyright (c) 2018, The Linux Foundation. All rights reserved.
> + */
> +
> +#include <linux/gpio/consumer.h>
> +#include <linux/of_graph.h>
> +#include <linux/regulator/consumer.h>
> +#include <linux/pinctrl/consumer.h>
> +
> +#include <video/mipi_display.h>
> +#include <video/of_videomode.h>
> +#include <video/videomode.h>
> +
> +#include <drm/drmP.h>
> +#include <drm/drm_panel.h>
> +#include <drm/drm_mipi_dsi.h>
> +
> +static const char * const regulator_names[] = {
> + "vdda",
> + "vdispp",
> + "vdispn"
The reason why the coding style insists on commas for the last member of an
listy is that if you added another item the resulting patch would
only need one line instead of three. For example:
+ "foo",
instead of:
- "vdispn"
+ "vdispn",
+ "foo",
<snip>
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