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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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drm/panel: Add Ilitek ILI9881c panel driver
The LHR050H41 panel is the panel shipped with the BananaPi M2-Magic, and is based on the Ilitek ILI9881c Controller. Add a driver for it, modelled after the other Ilitek controller drivers. Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Link: https://patchwork.freedesktop.org/patch/msgid/acb5453112ab7c7b801cf4f1669e351b391e77e8.1527587352.git-series.maxime.ripard@bootlin.com
This commit is contained in:
Maxime Ripard
parent
66ddff86f6
commit
26aec25593
@ -46,6 +46,15 @@ config DRM_PANEL_ILITEK_IL9322
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Say Y here if you want to enable support for Ilitek IL9322
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QVGA (320x240) RGB, YUV and ITU-T BT.656 panels.
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config DRM_PANEL_ILITEK_ILI9881C
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tristate "Ilitek ILI9881C-based panels"
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depends on OF
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depends on DRM_MIPI_DSI
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depends on BACKLIGHT_CLASS_DEVICE
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help
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Say Y if you want to enable support for panels based on the
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Ilitek ILI9881c controller.
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config DRM_PANEL_INNOLUX_P079ZCA
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tristate "Innolux P079ZCA panel"
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depends on OF
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@ -3,6 +3,7 @@ obj-$(CONFIG_DRM_PANEL_ARM_VERSATILE) += panel-arm-versatile.o
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obj-$(CONFIG_DRM_PANEL_LVDS) += panel-lvds.o
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obj-$(CONFIG_DRM_PANEL_SIMPLE) += panel-simple.o
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obj-$(CONFIG_DRM_PANEL_ILITEK_IL9322) += panel-ilitek-ili9322.o
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obj-$(CONFIG_DRM_PANEL_ILITEK_ILI9881C) += panel-ilitek-ili9881c.o
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obj-$(CONFIG_DRM_PANEL_INNOLUX_P079ZCA) += panel-innolux-p079zca.o
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obj-$(CONFIG_DRM_PANEL_JDI_LT070ME05000) += panel-jdi-lt070me05000.o
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obj-$(CONFIG_DRM_PANEL_LG_LG4573) += panel-lg-lg4573.o
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503
drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
Normal file
503
drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
Normal file
@ -0,0 +1,503 @@
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// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (C) 2017-2018, Bootlin
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*/
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#include <linux/backlight.h>
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#include <linux/delay.h>
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#include <linux/device.h>
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#include <linux/err.h>
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#include <linux/errno.h>
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#include <linux/fb.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/gpio/consumer.h>
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#include <linux/regulator/consumer.h>
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#include <drm/drm_mipi_dsi.h>
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#include <drm/drm_modes.h>
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#include <drm/drm_panel.h>
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#include <video/mipi_display.h>
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struct ili9881c {
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struct drm_panel panel;
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struct mipi_dsi_device *dsi;
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struct backlight_device *backlight;
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struct regulator *power;
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struct gpio_desc *reset;
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};
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enum ili9881c_op {
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ILI9881C_SWITCH_PAGE,
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ILI9881C_COMMAND,
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};
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struct ili9881c_instr {
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enum ili9881c_op op;
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union arg {
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struct cmd {
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u8 cmd;
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u8 data;
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} cmd;
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u8 page;
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} arg;
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};
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#define ILI9881C_SWITCH_PAGE_INSTR(_page) \
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{ \
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.op = ILI9881C_SWITCH_PAGE, \
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.arg = { \
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.page = (_page), \
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}, \
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}
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#define ILI9881C_COMMAND_INSTR(_cmd, _data) \
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{ \
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.op = ILI9881C_COMMAND, \
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.arg = { \
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.cmd = { \
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.cmd = (_cmd), \
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.data = (_data), \
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}, \
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}, \
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}
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static const struct ili9881c_instr ili9881c_init[] = {
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ILI9881C_SWITCH_PAGE_INSTR(3),
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ILI9881C_COMMAND_INSTR(0x01, 0x00),
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ILI9881C_COMMAND_INSTR(0x02, 0x00),
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ILI9881C_COMMAND_INSTR(0x03, 0x73),
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ILI9881C_COMMAND_INSTR(0x04, 0x03),
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ILI9881C_COMMAND_INSTR(0x05, 0x00),
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ILI9881C_COMMAND_INSTR(0x06, 0x06),
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ILI9881C_COMMAND_INSTR(0x07, 0x06),
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ILI9881C_COMMAND_INSTR(0x08, 0x00),
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ILI9881C_COMMAND_INSTR(0x09, 0x18),
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ILI9881C_COMMAND_INSTR(0x0a, 0x04),
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ILI9881C_COMMAND_INSTR(0x0b, 0x00),
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ILI9881C_COMMAND_INSTR(0x0c, 0x02),
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ILI9881C_COMMAND_INSTR(0x0d, 0x03),
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ILI9881C_COMMAND_INSTR(0x0e, 0x00),
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ILI9881C_COMMAND_INSTR(0x0f, 0x25),
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ILI9881C_COMMAND_INSTR(0x10, 0x25),
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ILI9881C_COMMAND_INSTR(0x11, 0x00),
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ILI9881C_COMMAND_INSTR(0x12, 0x00),
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ILI9881C_COMMAND_INSTR(0x13, 0x00),
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ILI9881C_COMMAND_INSTR(0x14, 0x00),
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ILI9881C_COMMAND_INSTR(0x15, 0x00),
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ILI9881C_COMMAND_INSTR(0x16, 0x0C),
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ILI9881C_COMMAND_INSTR(0x17, 0x00),
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ILI9881C_COMMAND_INSTR(0x18, 0x00),
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ILI9881C_COMMAND_INSTR(0x19, 0x00),
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ILI9881C_COMMAND_INSTR(0x1a, 0x00),
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ILI9881C_COMMAND_INSTR(0x1b, 0x00),
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ILI9881C_COMMAND_INSTR(0x1c, 0x00),
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ILI9881C_COMMAND_INSTR(0x1d, 0x00),
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ILI9881C_COMMAND_INSTR(0x1e, 0xC0),
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ILI9881C_COMMAND_INSTR(0x1f, 0x80),
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ILI9881C_COMMAND_INSTR(0x20, 0x04),
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ILI9881C_COMMAND_INSTR(0x21, 0x01),
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ILI9881C_COMMAND_INSTR(0x22, 0x00),
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ILI9881C_COMMAND_INSTR(0x23, 0x00),
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ILI9881C_COMMAND_INSTR(0x24, 0x00),
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ILI9881C_COMMAND_INSTR(0x25, 0x00),
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ILI9881C_COMMAND_INSTR(0x26, 0x00),
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ILI9881C_COMMAND_INSTR(0x27, 0x00),
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ILI9881C_COMMAND_INSTR(0x28, 0x33),
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ILI9881C_COMMAND_INSTR(0x29, 0x03),
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ILI9881C_COMMAND_INSTR(0x2a, 0x00),
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ILI9881C_COMMAND_INSTR(0x2b, 0x00),
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ILI9881C_COMMAND_INSTR(0x2c, 0x00),
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ILI9881C_COMMAND_INSTR(0x2d, 0x00),
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ILI9881C_COMMAND_INSTR(0x2e, 0x00),
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ILI9881C_COMMAND_INSTR(0x2f, 0x00),
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ILI9881C_COMMAND_INSTR(0x30, 0x00),
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ILI9881C_COMMAND_INSTR(0x31, 0x00),
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ILI9881C_COMMAND_INSTR(0x32, 0x00),
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ILI9881C_COMMAND_INSTR(0x33, 0x00),
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ILI9881C_COMMAND_INSTR(0x34, 0x04),
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ILI9881C_COMMAND_INSTR(0x35, 0x00),
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ILI9881C_COMMAND_INSTR(0x36, 0x00),
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ILI9881C_COMMAND_INSTR(0x37, 0x00),
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ILI9881C_COMMAND_INSTR(0x38, 0x3C),
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ILI9881C_COMMAND_INSTR(0x39, 0x00),
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ILI9881C_COMMAND_INSTR(0x3a, 0x00),
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ILI9881C_COMMAND_INSTR(0x3b, 0x00),
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ILI9881C_COMMAND_INSTR(0x3c, 0x00),
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ILI9881C_COMMAND_INSTR(0x3d, 0x00),
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ILI9881C_COMMAND_INSTR(0x3e, 0x00),
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ILI9881C_COMMAND_INSTR(0x3f, 0x00),
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ILI9881C_COMMAND_INSTR(0x40, 0x00),
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ILI9881C_COMMAND_INSTR(0x41, 0x00),
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ILI9881C_COMMAND_INSTR(0x42, 0x00),
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ILI9881C_COMMAND_INSTR(0x43, 0x00),
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ILI9881C_COMMAND_INSTR(0x44, 0x00),
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ILI9881C_COMMAND_INSTR(0x50, 0x01),
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ILI9881C_COMMAND_INSTR(0x51, 0x23),
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ILI9881C_COMMAND_INSTR(0x52, 0x45),
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ILI9881C_COMMAND_INSTR(0x53, 0x67),
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ILI9881C_COMMAND_INSTR(0x54, 0x89),
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ILI9881C_COMMAND_INSTR(0x55, 0xab),
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ILI9881C_COMMAND_INSTR(0x56, 0x01),
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ILI9881C_COMMAND_INSTR(0x57, 0x23),
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ILI9881C_COMMAND_INSTR(0x58, 0x45),
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ILI9881C_COMMAND_INSTR(0x59, 0x67),
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ILI9881C_COMMAND_INSTR(0x5a, 0x89),
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ILI9881C_COMMAND_INSTR(0x5b, 0xab),
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ILI9881C_COMMAND_INSTR(0x5c, 0xcd),
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ILI9881C_COMMAND_INSTR(0x5d, 0xef),
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ILI9881C_COMMAND_INSTR(0x5e, 0x11),
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ILI9881C_COMMAND_INSTR(0x5f, 0x02),
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ILI9881C_COMMAND_INSTR(0x60, 0x02),
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ILI9881C_COMMAND_INSTR(0x61, 0x02),
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ILI9881C_COMMAND_INSTR(0x62, 0x02),
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ILI9881C_COMMAND_INSTR(0x63, 0x02),
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ILI9881C_COMMAND_INSTR(0x64, 0x02),
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ILI9881C_COMMAND_INSTR(0x65, 0x02),
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ILI9881C_COMMAND_INSTR(0x66, 0x02),
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ILI9881C_COMMAND_INSTR(0x67, 0x02),
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ILI9881C_COMMAND_INSTR(0x68, 0x02),
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ILI9881C_COMMAND_INSTR(0x69, 0x02),
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ILI9881C_COMMAND_INSTR(0x6a, 0x0C),
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ILI9881C_COMMAND_INSTR(0x6b, 0x02),
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ILI9881C_COMMAND_INSTR(0x6c, 0x0F),
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ILI9881C_COMMAND_INSTR(0x6d, 0x0E),
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ILI9881C_COMMAND_INSTR(0x6e, 0x0D),
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ILI9881C_COMMAND_INSTR(0x6f, 0x06),
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ILI9881C_COMMAND_INSTR(0x70, 0x07),
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ILI9881C_COMMAND_INSTR(0x71, 0x02),
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ILI9881C_COMMAND_INSTR(0x72, 0x02),
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ILI9881C_COMMAND_INSTR(0x73, 0x02),
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ILI9881C_COMMAND_INSTR(0x74, 0x02),
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ILI9881C_COMMAND_INSTR(0x75, 0x02),
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ILI9881C_COMMAND_INSTR(0x76, 0x02),
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ILI9881C_COMMAND_INSTR(0x77, 0x02),
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ILI9881C_COMMAND_INSTR(0x78, 0x02),
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ILI9881C_COMMAND_INSTR(0x79, 0x02),
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ILI9881C_COMMAND_INSTR(0x7a, 0x02),
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ILI9881C_COMMAND_INSTR(0x7b, 0x02),
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ILI9881C_COMMAND_INSTR(0x7c, 0x02),
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ILI9881C_COMMAND_INSTR(0x7d, 0x02),
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ILI9881C_COMMAND_INSTR(0x7e, 0x02),
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ILI9881C_COMMAND_INSTR(0x7f, 0x02),
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ILI9881C_COMMAND_INSTR(0x80, 0x0C),
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ILI9881C_COMMAND_INSTR(0x81, 0x02),
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ILI9881C_COMMAND_INSTR(0x82, 0x0F),
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ILI9881C_COMMAND_INSTR(0x83, 0x0E),
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ILI9881C_COMMAND_INSTR(0x84, 0x0D),
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ILI9881C_COMMAND_INSTR(0x85, 0x06),
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ILI9881C_COMMAND_INSTR(0x86, 0x07),
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ILI9881C_COMMAND_INSTR(0x87, 0x02),
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ILI9881C_COMMAND_INSTR(0x88, 0x02),
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ILI9881C_COMMAND_INSTR(0x89, 0x02),
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ILI9881C_COMMAND_INSTR(0x8A, 0x02),
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ILI9881C_SWITCH_PAGE_INSTR(4),
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ILI9881C_COMMAND_INSTR(0x6C, 0x15),
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ILI9881C_COMMAND_INSTR(0x6E, 0x22),
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ILI9881C_COMMAND_INSTR(0x6F, 0x33),
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ILI9881C_COMMAND_INSTR(0x3A, 0xA4),
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ILI9881C_COMMAND_INSTR(0x8D, 0x0D),
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ILI9881C_COMMAND_INSTR(0x87, 0xBA),
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ILI9881C_COMMAND_INSTR(0x26, 0x76),
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ILI9881C_COMMAND_INSTR(0xB2, 0xD1),
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ILI9881C_SWITCH_PAGE_INSTR(1),
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ILI9881C_COMMAND_INSTR(0x22, 0x0A),
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ILI9881C_COMMAND_INSTR(0x53, 0xDC),
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ILI9881C_COMMAND_INSTR(0x55, 0xA7),
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ILI9881C_COMMAND_INSTR(0x50, 0x78),
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ILI9881C_COMMAND_INSTR(0x51, 0x78),
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ILI9881C_COMMAND_INSTR(0x31, 0x02),
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ILI9881C_COMMAND_INSTR(0x60, 0x14),
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ILI9881C_COMMAND_INSTR(0xA0, 0x2A),
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ILI9881C_COMMAND_INSTR(0xA1, 0x39),
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ILI9881C_COMMAND_INSTR(0xA2, 0x46),
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ILI9881C_COMMAND_INSTR(0xA3, 0x0e),
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ILI9881C_COMMAND_INSTR(0xA4, 0x12),
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ILI9881C_COMMAND_INSTR(0xA5, 0x25),
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ILI9881C_COMMAND_INSTR(0xA6, 0x19),
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ILI9881C_COMMAND_INSTR(0xA7, 0x1d),
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ILI9881C_COMMAND_INSTR(0xA8, 0xa6),
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ILI9881C_COMMAND_INSTR(0xA9, 0x1C),
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ILI9881C_COMMAND_INSTR(0xAA, 0x29),
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ILI9881C_COMMAND_INSTR(0xAB, 0x85),
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ILI9881C_COMMAND_INSTR(0xAC, 0x1C),
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ILI9881C_COMMAND_INSTR(0xAD, 0x1B),
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ILI9881C_COMMAND_INSTR(0xAE, 0x51),
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ILI9881C_COMMAND_INSTR(0xAF, 0x22),
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ILI9881C_COMMAND_INSTR(0xB0, 0x2d),
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ILI9881C_COMMAND_INSTR(0xB1, 0x4f),
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ILI9881C_COMMAND_INSTR(0xB2, 0x59),
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ILI9881C_COMMAND_INSTR(0xB3, 0x3F),
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ILI9881C_COMMAND_INSTR(0xC0, 0x2A),
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ILI9881C_COMMAND_INSTR(0xC1, 0x3a),
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ILI9881C_COMMAND_INSTR(0xC2, 0x45),
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ILI9881C_COMMAND_INSTR(0xC3, 0x0e),
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ILI9881C_COMMAND_INSTR(0xC4, 0x11),
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ILI9881C_COMMAND_INSTR(0xC5, 0x24),
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ILI9881C_COMMAND_INSTR(0xC6, 0x1a),
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ILI9881C_COMMAND_INSTR(0xC7, 0x1c),
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ILI9881C_COMMAND_INSTR(0xC8, 0xaa),
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ILI9881C_COMMAND_INSTR(0xC9, 0x1C),
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ILI9881C_COMMAND_INSTR(0xCA, 0x29),
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ILI9881C_COMMAND_INSTR(0xCB, 0x96),
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ILI9881C_COMMAND_INSTR(0xCC, 0x1C),
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ILI9881C_COMMAND_INSTR(0xCD, 0x1B),
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ILI9881C_COMMAND_INSTR(0xCE, 0x51),
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ILI9881C_COMMAND_INSTR(0xCF, 0x22),
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ILI9881C_COMMAND_INSTR(0xD0, 0x2b),
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ILI9881C_COMMAND_INSTR(0xD1, 0x4b),
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ILI9881C_COMMAND_INSTR(0xD2, 0x59),
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ILI9881C_COMMAND_INSTR(0xD3, 0x3F),
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};
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static inline struct ili9881c *panel_to_ili9881c(struct drm_panel *panel)
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{
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return container_of(panel, struct ili9881c, panel);
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}
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/*
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* The panel seems to accept some private DCS commands that map
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* directly to registers.
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*
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* It is organised by page, with each page having its own set of
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* registers, and the first page looks like it's holding the standard
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* DCS commands.
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*
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* So before any attempt at sending a command or data, we have to be
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* sure if we're in the right page or not.
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*/
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static int ili9881c_switch_page(struct ili9881c *ctx, u8 page)
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{
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u8 buf[4] = { 0xff, 0x98, 0x81, page };
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int ret;
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ret = mipi_dsi_dcs_write_buffer(ctx->dsi, buf, sizeof(buf));
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if (ret < 0)
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return ret;
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return 0;
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}
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static int ili9881c_send_cmd_data(struct ili9881c *ctx, u8 cmd, u8 data)
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{
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u8 buf[2] = { cmd, data };
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int ret;
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ret = mipi_dsi_dcs_write_buffer(ctx->dsi, buf, sizeof(buf));
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if (ret < 0)
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return ret;
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return 0;
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}
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static int ili9881c_prepare(struct drm_panel *panel)
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{
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struct ili9881c *ctx = panel_to_ili9881c(panel);
|
||||
unsigned int i;
|
||||
int ret;
|
||||
|
||||
/* Power the panel */
|
||||
ret = regulator_enable(ctx->power);
|
||||
if (ret)
|
||||
return ret;
|
||||
msleep(5);
|
||||
|
||||
/* And reset it */
|
||||
gpiod_set_value(ctx->reset, 1);
|
||||
msleep(20);
|
||||
|
||||
gpiod_set_value(ctx->reset, 0);
|
||||
msleep(20);
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(ili9881c_init); i++) {
|
||||
const struct ili9881c_instr *instr = &ili9881c_init[i];
|
||||
|
||||
if (instr->op == ILI9881C_SWITCH_PAGE)
|
||||
ret = ili9881c_switch_page(ctx, instr->arg.page);
|
||||
else if (instr->op == ILI9881C_COMMAND)
|
||||
ret = ili9881c_send_cmd_data(ctx, instr->arg.cmd.cmd,
|
||||
instr->arg.cmd.data);
|
||||
|
||||
if (ret)
|
||||
return ret;
|
||||
}
|
||||
|
||||
ret = ili9881c_switch_page(ctx, 0);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
ret = mipi_dsi_dcs_set_tear_on(ctx->dsi, MIPI_DSI_DCS_TEAR_MODE_VBLANK);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
mipi_dsi_dcs_exit_sleep_mode(ctx->dsi);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int ili9881c_enable(struct drm_panel *panel)
|
||||
{
|
||||
struct ili9881c *ctx = panel_to_ili9881c(panel);
|
||||
|
||||
msleep(120);
|
||||
|
||||
mipi_dsi_dcs_set_display_on(ctx->dsi);
|
||||
backlight_enable(ctx->backlight);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int ili9881c_disable(struct drm_panel *panel)
|
||||
{
|
||||
struct ili9881c *ctx = panel_to_ili9881c(panel);
|
||||
|
||||
backlight_disable(ctx->backlight);
|
||||
return mipi_dsi_dcs_set_display_off(ctx->dsi);
|
||||
}
|
||||
|
||||
static int ili9881c_unprepare(struct drm_panel *panel)
|
||||
{
|
||||
struct ili9881c *ctx = panel_to_ili9881c(panel);
|
||||
|
||||
mipi_dsi_dcs_enter_sleep_mode(ctx->dsi);
|
||||
regulator_disable(ctx->power);
|
||||
gpiod_set_value(ctx->reset, 1);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct drm_display_mode bananapi_default_mode = {
|
||||
.clock = 62000,
|
||||
.vrefresh = 60,
|
||||
|
||||
.hdisplay = 720,
|
||||
.hsync_start = 720 + 10,
|
||||
.hsync_end = 720 + 10 + 20,
|
||||
.htotal = 720 + 10 + 20 + 30,
|
||||
|
||||
.vdisplay = 1280,
|
||||
.vsync_start = 1280 + 10,
|
||||
.vsync_end = 1280 + 10 + 10,
|
||||
.vtotal = 1280 + 10 + 10 + 20,
|
||||
};
|
||||
|
||||
static int ili9881c_get_modes(struct drm_panel *panel)
|
||||
{
|
||||
struct drm_connector *connector = panel->connector;
|
||||
struct ili9881c *ctx = panel_to_ili9881c(panel);
|
||||
struct drm_display_mode *mode;
|
||||
|
||||
mode = drm_mode_duplicate(panel->drm, &bananapi_default_mode);
|
||||
if (!mode) {
|
||||
dev_err(&ctx->dsi->dev, "failed to add mode %ux%ux@%u\n",
|
||||
bananapi_default_mode.hdisplay,
|
||||
bananapi_default_mode.vdisplay,
|
||||
bananapi_default_mode.vrefresh);
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
drm_mode_set_name(mode);
|
||||
|
||||
mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
|
||||
drm_mode_probed_add(connector, mode);
|
||||
|
||||
panel->connector->display_info.width_mm = 62;
|
||||
panel->connector->display_info.height_mm = 110;
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
static const struct drm_panel_funcs ili9881c_funcs = {
|
||||
.prepare = ili9881c_prepare,
|
||||
.unprepare = ili9881c_unprepare,
|
||||
.enable = ili9881c_enable,
|
||||
.disable = ili9881c_disable,
|
||||
.get_modes = ili9881c_get_modes,
|
||||
};
|
||||
|
||||
static int ili9881c_dsi_probe(struct mipi_dsi_device *dsi)
|
||||
{
|
||||
struct device_node *np;
|
||||
struct ili9881c *ctx;
|
||||
int ret;
|
||||
|
||||
ctx = devm_kzalloc(&dsi->dev, sizeof(*ctx), GFP_KERNEL);
|
||||
if (!ctx)
|
||||
return -ENOMEM;
|
||||
mipi_dsi_set_drvdata(dsi, ctx);
|
||||
ctx->dsi = dsi;
|
||||
|
||||
drm_panel_init(&ctx->panel);
|
||||
ctx->panel.dev = &dsi->dev;
|
||||
ctx->panel.funcs = &ili9881c_funcs;
|
||||
|
||||
ctx->power = devm_regulator_get(&dsi->dev, "power");
|
||||
if (IS_ERR(ctx->power)) {
|
||||
dev_err(&dsi->dev, "Couldn't get our power regulator\n");
|
||||
return PTR_ERR(ctx->power);
|
||||
}
|
||||
|
||||
ctx->reset = devm_gpiod_get(&dsi->dev, "reset", GPIOD_OUT_LOW);
|
||||
if (IS_ERR(ctx->reset)) {
|
||||
dev_err(&dsi->dev, "Couldn't get our reset GPIO\n");
|
||||
return PTR_ERR(ctx->reset);
|
||||
}
|
||||
|
||||
np = of_parse_phandle(dsi->dev.of_node, "backlight", 0);
|
||||
if (np) {
|
||||
ctx->backlight = of_find_backlight_by_node(np);
|
||||
of_node_put(np);
|
||||
|
||||
if (!ctx->backlight)
|
||||
return -EPROBE_DEFER;
|
||||
}
|
||||
|
||||
ret = drm_panel_add(&ctx->panel);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
dsi->mode_flags = MIPI_DSI_MODE_VIDEO_SYNC_PULSE;
|
||||
dsi->format = MIPI_DSI_FMT_RGB888;
|
||||
dsi->lanes = 4;
|
||||
|
||||
return mipi_dsi_attach(dsi);
|
||||
}
|
||||
|
||||
static int ili9881c_dsi_remove(struct mipi_dsi_device *dsi)
|
||||
{
|
||||
struct ili9881c *ctx = mipi_dsi_get_drvdata(dsi);
|
||||
|
||||
mipi_dsi_detach(dsi);
|
||||
drm_panel_remove(&ctx->panel);
|
||||
|
||||
if (ctx->backlight)
|
||||
put_device(&ctx->backlight->dev);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct of_device_id ili9881c_of_match[] = {
|
||||
{ .compatible = "bananapi,lhr050h41" },
|
||||
{ }
|
||||
};
|
||||
MODULE_DEVICE_TABLE(of, ili9881c_of_match);
|
||||
|
||||
static struct mipi_dsi_driver ili9881c_dsi_driver = {
|
||||
.probe = ili9881c_dsi_probe,
|
||||
.remove = ili9881c_dsi_remove,
|
||||
.driver = {
|
||||
.name = "ili9881c-dsi",
|
||||
.of_match_table = ili9881c_of_match,
|
||||
},
|
||||
};
|
||||
module_mipi_dsi_driver(ili9881c_dsi_driver);
|
||||
|
||||
MODULE_AUTHOR("Maxime Ripard <maxime.ripard@free-electrons.com>");
|
||||
MODULE_DESCRIPTION("Ilitek ILI9881C Controller Driver");
|
||||
MODULE_LICENSE("GPL v2");
|
||||
Loading…
Reference in New Issue
Block a user