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drm/panel: anbernic-td4310: Add RG Vita Pro panel
The panel used by Anbernic in the RG Vita-Pro is a DSI panel based on the TD4310 controller IC. It measures approximately 5.5 inches diagonally and is 1080x1920 in resolution. Signed-off-by: Chris Morgan <macromorgan@hotmail.com> Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patch.msgid.link/20260610144407.438846-5-macroalpha82@gmail.com
This commit is contained in:
Chris Morgan
Neil Armstrong
parent
0fd6ead827
commit
a81b4fe69e
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@ -17,6 +17,16 @@ config DRM_PANEL_ABT_Y030XX067A
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Y030XX067A 320x480 3.0" panel as found in the YLM RG-280M, RG-300
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and RG-99 handheld gaming consoles.
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config DRM_PANEL_ANBERNIC_TD4310
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tristate "Anbernic TD4310 LCD panel"
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depends on GPIOLIB && 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 here to enable support for Anbernic designed panels with the
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TD4310 panel controller such as the ones used on the Anbernic RG
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Vita Pro.
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config DRM_PANEL_ARM_VERSATILE
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tristate "ARM Versatile panel driver"
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depends on OF
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@ -1,5 +1,6 @@
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# SPDX-License-Identifier: GPL-2.0
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obj-$(CONFIG_DRM_PANEL_ABT_Y030XX067A) += panel-abt-y030xx067a.o
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obj-$(CONFIG_DRM_PANEL_ANBERNIC_TD4310) += panel-anbernic-td4310.o
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obj-$(CONFIG_DRM_PANEL_ARM_VERSATILE) += panel-arm-versatile.o
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obj-$(CONFIG_DRM_PANEL_ASUS_Z00T_TM5P5_NT35596) += panel-asus-z00t-tm5p5-n35596.o
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obj-$(CONFIG_DRM_PANEL_AUO_A030JTN01) += panel-auo-a030jtn01.o
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257
drivers/gpu/drm/panel/panel-anbernic-td4310.c
Normal file
257
drivers/gpu/drm/panel/panel-anbernic-td4310.c
Normal file
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@ -0,0 +1,257 @@
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// SPDX-License-Identifier: GPL-2.0
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/*
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* Driver for Anbernic panels with TD4310 panel controller.
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*
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* Copyright (C) 2026 Chris Morgan <macromorgan@hotmail.com>
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*
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*/
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#include <linux/gpio/consumer.h>
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#include <linux/module.h>
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#include <linux/of.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_panel.h>
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#include <drm/drm_probe_helper.h>
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#include <video/mipi_display.h>
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struct anbernic_panel_td4310_info {
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const struct drm_display_mode *display_mode;
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u16 width_mm;
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u16 height_mm;
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u32 bus_flags;
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unsigned long mode_flags;
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u32 format;
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u32 lanes;
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u16 prepare_delay;
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u16 reset_delay;
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u16 init_delay;
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u16 enable_delay;
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u16 disable_delay;
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u16 unprepare_delay;
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};
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struct anbernic_panel_td4310 {
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struct device *dev;
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struct mipi_dsi_device *dsi;
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struct drm_panel panel;
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const struct anbernic_panel_td4310_info *panel_info;
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struct gpio_desc *reset_gpio;
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struct gpio_desc *enable_gpio;
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struct regulator *vdd;
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enum drm_panel_orientation orientation;
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};
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static inline struct anbernic_panel_td4310 *panel_to_anbernic_panel_td4310(struct drm_panel *panel)
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{
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return container_of(panel, struct anbernic_panel_td4310, panel);
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}
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static int panel_anbernic_td4310_prepare(struct drm_panel *panel)
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{
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struct anbernic_panel_td4310 *ctx = panel_to_anbernic_panel_td4310(panel);
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struct mipi_dsi_device *dsi = ctx->dsi;
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struct mipi_dsi_multi_context dsi_ctx = { .dsi = dsi };
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int ret;
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ret = regulator_enable(ctx->vdd);
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if (ret)
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return ret;
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ret = gpiod_set_value_cansleep(ctx->enable_gpio, 1);
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if (ret)
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goto err_enable;
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if (ctx->panel_info->enable_delay)
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mipi_dsi_msleep(&dsi_ctx, ctx->panel_info->enable_delay);
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ret = gpiod_set_value_cansleep(ctx->reset_gpio, 1);
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if (ret)
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goto err_reset;
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mipi_dsi_msleep(&dsi_ctx, 10);
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ret = gpiod_set_value_cansleep(ctx->reset_gpio, 0);
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if (ret)
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goto err_reset;
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if (ctx->panel_info->reset_delay)
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mipi_dsi_msleep(&dsi_ctx, ctx->panel_info->reset_delay);
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mipi_dsi_dcs_exit_sleep_mode_multi(&dsi_ctx);
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mipi_dsi_msleep(&dsi_ctx, ctx->panel_info->prepare_delay);
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mipi_dsi_dcs_set_display_on_multi(&dsi_ctx);
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mipi_dsi_msleep(&dsi_ctx, ctx->panel_info->prepare_delay);
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if (dsi_ctx.accum_err) {
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ret = dsi_ctx.accum_err;
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goto err_reset;
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}
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return 0;
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err_reset:
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gpiod_set_value_cansleep(ctx->enable_gpio, 0);
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err_enable:
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regulator_disable(ctx->vdd);
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return ret;
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}
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static int panel_anbernic_td4310_unprepare(struct drm_panel *panel)
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{
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struct anbernic_panel_td4310 *ctx = panel_to_anbernic_panel_td4310(panel);
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struct mipi_dsi_device *dsi = ctx->dsi;
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struct mipi_dsi_multi_context dsi_ctx = { .dsi = dsi };
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mipi_dsi_dcs_set_display_off_multi(&dsi_ctx);
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mipi_dsi_msleep(&dsi_ctx, ctx->panel_info->unprepare_delay);
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mipi_dsi_dcs_enter_sleep_mode_multi(&dsi_ctx);
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mipi_dsi_msleep(&dsi_ctx, ctx->panel_info->disable_delay);
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gpiod_set_value_cansleep(ctx->enable_gpio, 0);
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gpiod_set_value_cansleep(ctx->reset_gpio, 1);
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regulator_disable(ctx->vdd);
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return 0;
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}
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static int panel_anbernic_td4310_get_mode(struct drm_panel *panel,
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struct drm_connector *connector)
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{
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struct anbernic_panel_td4310 *ctx = panel_to_anbernic_panel_td4310(panel);
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const struct anbernic_panel_td4310_info *panel_info = ctx->panel_info;
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connector->display_info.bpc = 8;
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connector->display_info.width_mm = panel_info->width_mm;
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connector->display_info.height_mm = panel_info->height_mm;
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connector->display_info.bus_flags = panel_info->bus_flags;
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return drm_connector_helper_get_modes_fixed(connector, panel_info->display_mode);
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}
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static enum drm_panel_orientation panel_anbernic_td4310_get_orientation(struct drm_panel *panel)
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{
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struct anbernic_panel_td4310 *ctx = panel_to_anbernic_panel_td4310(panel);
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return ctx->orientation;
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}
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static const struct drm_panel_funcs panel_anbernic_td4310_funcs = {
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.prepare = panel_anbernic_td4310_prepare,
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.unprepare = panel_anbernic_td4310_unprepare,
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.get_modes = panel_anbernic_td4310_get_mode,
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.get_orientation = panel_anbernic_td4310_get_orientation,
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};
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static int panel_anbernic_td4310_probe(struct mipi_dsi_device *dsi)
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{
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struct device *dev = &dsi->dev;
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struct anbernic_panel_td4310 *ctx;
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int ret;
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ctx = devm_drm_panel_alloc(dev, struct anbernic_panel_td4310, panel,
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&panel_anbernic_td4310_funcs,
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DRM_MODE_CONNECTOR_DSI);
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if (IS_ERR(ctx))
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return PTR_ERR(ctx);
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ctx->dev = dev;
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ctx->panel_info = of_device_get_match_data(dev);
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if (!ctx->panel_info)
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return -EINVAL;
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ret = of_drm_get_panel_orientation(dev->of_node, &ctx->orientation);
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if (ret < 0)
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return dev_err_probe(dev, ret, "Failed to get panel orientation\n");
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ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW);
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if (IS_ERR(ctx->reset_gpio))
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return dev_err_probe(dev, PTR_ERR(ctx->reset_gpio),
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"Cannot get reset gpio\n");
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ctx->enable_gpio = devm_gpiod_get_optional(dev, "enable", GPIOD_OUT_LOW);
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if (IS_ERR(ctx->enable_gpio))
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return dev_err_probe(dev, PTR_ERR(ctx->enable_gpio),
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"Cannot get enable gpio\n");
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ctx->vdd = devm_regulator_get(dev, "vdd");
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if (IS_ERR(ctx->vdd))
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return dev_err_probe(dev, PTR_ERR(ctx->vdd),
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"Failed to request vdd regulator\n");
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ctx->dsi = dsi;
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mipi_dsi_set_drvdata(dsi, ctx);
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dsi->lanes = ctx->panel_info->lanes;
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dsi->format = ctx->panel_info->format;
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dsi->mode_flags = ctx->panel_info->mode_flags;
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ret = drm_panel_of_backlight(&ctx->panel);
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if (ret)
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return ret;
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devm_drm_panel_add(dev, &ctx->panel);
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ret = devm_mipi_dsi_attach(dev, dsi);
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if (ret < 0)
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return dev_err_probe(dev, ret, "Failed to attach to DSI host\n");
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return 0;
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}
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static const struct drm_display_mode anbernic_vitapro_mode = {
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.clock = 140020,
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.hdisplay = 1080,
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.hsync_start = 1080 + 50,
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.hsync_end = 1080 + 50 + 4,
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.htotal = 1080 + 50 + 4 + 50,
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.vdisplay = 1920,
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.vsync_start = 1920 + 15,
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.vsync_end = 1920 + 15 + 4,
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.vtotal = 1920 + 15 + 4 + 32,
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.flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC,
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};
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static const struct anbernic_panel_td4310_info anbernic_vitapro_info = {
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.display_mode = &anbernic_vitapro_mode,
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.width_mm = 69,
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.height_mm = 121,
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.bus_flags = DRM_BUS_FLAG_DE_LOW | DRM_BUS_FLAG_PIXDATA_DRIVE_NEGEDGE,
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.mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |
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MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_NO_EOT_PACKET |
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MIPI_DSI_CLOCK_NON_CONTINUOUS,
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.format = MIPI_DSI_FMT_RGB888,
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.lanes = 4,
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.prepare_delay = 50,
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.reset_delay = 220,
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.enable_delay = 120,
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.disable_delay = 50,
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.unprepare_delay = 20,
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};
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static const struct of_device_id panel_anbernic_td4310_of_match[] = {
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{
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.compatible = "anbernic,panel-vita-pro",
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.data = &anbernic_vitapro_info,
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},
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{ }
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};
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MODULE_DEVICE_TABLE(of, panel_anbernic_td4310_of_match);
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static struct mipi_dsi_driver anbernic_panel_td4310_driver = {
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.driver = {
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.name = "panel-anbernic-td4310",
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.of_match_table = panel_anbernic_td4310_of_match,
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},
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.probe = panel_anbernic_td4310_probe,
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};
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module_mipi_dsi_driver(anbernic_panel_td4310_driver);
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MODULE_AUTHOR("Chris Morgan <macromorgan@hotmail.com>");
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MODULE_DESCRIPTION("DRM driver for Anbernic TD4310 MIPI DSI panels");
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MODULE_LICENSE("GPL");
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