From patchwork Wed Mar 11 16:33:25 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Icenowy Zheng X-Patchwork-Id: 203458 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_NONE,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by archive.lwn.net (Postfix) with ESMTP id 8A1CC7D910 for ; Wed, 11 Mar 2020 16:33:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730293AbgCKQdu (ORCPT ); Wed, 11 Mar 2020 12:33:50 -0400 Received: from hermes.aosc.io ([199.195.250.187]:58028 "EHLO hermes.aosc.io" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729584AbgCKQdt (ORCPT ); Wed, 11 Mar 2020 12:33:49 -0400 Received: from localhost (localhost [127.0.0.1]) (Authenticated sender: icenowy@aosc.io) by hermes.aosc.io (Postfix) with ESMTPSA id 4DD2A4C335; Wed, 11 Mar 2020 16:33:44 +0000 (UTC) From: Icenowy Zheng To: Thierry Reding , Sam Ravnborg , Rob Herring , Maxime Ripard , Chen-Yu Tsai , Ondrej Jirman Cc: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@googlegroups.com, Icenowy Zheng Subject: [PATCH 1/5] dt-bindings: vendor-prefixes: Add Xingbangda Date: Thu, 12 Mar 2020 00:33:25 +0800 Message-Id: <20200311163329.221840-2-icenowy@aosc.io> In-Reply-To: <20200311163329.221840-1-icenowy@aosc.io> References: <20200311163329.221840-1-icenowy@aosc.io> MIME-Version: 1.0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=aosc.io; s=dkim; t=1583944428; h=from:subject:date:message-id:to:cc:mime-version:content-transfer-encoding:in-reply-to:references; bh=AfXGWxD0IIuyOwz/1L1dhkzs7UBLknMSUFpWsqJiTqw=; b=Kbx6Pv20zwIKbLvVvzanZyPPAMGOwFSiOUEuJwmIiIGEY1xPeDlqFMFfMFg4cf91690Z9q bkx44L/lsQ+wznNumkSScXaEfJQWbPXgnCdzk/AHM09TIssxpqW1tgdzM/pt0JgI8gvbN6 GQm/JRw9ST/jJXBSvMxQUrr1aDrqBzE= Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Archived-At: List-Archive: List-Post: Shenzhen Xingbangda Display Technology Co., Ltd is a company which produces LCD modules. It supplies the LCD panels of the PinePhone series (the developers' kit and the final phone). Add the vendor prefix of it. Signed-off-by: Icenowy Zheng --- Documentation/devicetree/bindings/vendor-prefixes.yaml | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml index b8e9ef79cab9..038a2180d34b 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.yaml +++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml @@ -1102,6 +1102,8 @@ patternProperties: description: Xiaomi Technology Co., Ltd. "^xillybus,.*": description: Xillybus Ltd. + "^xingbangda,.*": + description: Shenzhen Xingbangda Display Technology Co., Ltd "^xinpeng,.*": description: Shenzhen Xinpeng Technology Co., Ltd "^xlnx,.*": From patchwork Wed Mar 11 16:33:27 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Icenowy Zheng X-Patchwork-Id: 203457 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_NONE, URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by archive.lwn.net (Postfix) with ESMTP id 33C637D910 for ; Wed, 11 Mar 2020 16:34:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729809AbgCKQeQ (ORCPT ); Wed, 11 Mar 2020 12:34:16 -0400 Received: from hermes.aosc.io ([199.195.250.187]:58080 "EHLO hermes.aosc.io" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730180AbgCKQeQ (ORCPT ); Wed, 11 Mar 2020 12:34:16 -0400 Received: from localhost (localhost [127.0.0.1]) (Authenticated sender: icenowy@aosc.io) by hermes.aosc.io (Postfix) with ESMTPSA id A459C4C335; Wed, 11 Mar 2020 16:34:08 +0000 (UTC) From: Icenowy Zheng To: Thierry Reding , Sam Ravnborg , Rob Herring , Maxime Ripard , Chen-Yu Tsai , Ondrej Jirman Cc: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@googlegroups.com, Icenowy Zheng Subject: [PATCH 3/5] drm: panel: add Xingbangda XBD599 panel Date: Thu, 12 Mar 2020 00:33:27 +0800 Message-Id: <20200311163329.221840-4-icenowy@aosc.io> In-Reply-To: <20200311163329.221840-1-icenowy@aosc.io> References: <20200311163329.221840-1-icenowy@aosc.io> MIME-Version: 1.0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=aosc.io; s=dkim; t=1583944453; h=from:subject:date:message-id:to:cc:mime-version:content-transfer-encoding:in-reply-to:references; bh=jo7GUkttUhpdv/xm5+AcSjgUB5SPbWX1Nc/gj6NhbS8=; b=bSTYRiMb0xwdXMzk4t0ZFjOn1MADN8RsVnOHWTmlarCAWFPuiS8oS2p1DqRVJQtOdpYo9C 7MgEm73L7r+v5BBJNkUOcyM69ydEurMru3q7Lqt06CYM1RtOSMS9SlMRb4SSfeha8EXZtN 657fIBGtddJh4uqSP0hSa7xmI0RiT/s= Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Archived-At: List-Archive: List-Post: Xingbangda XBD599 is a 5.99" 720x1440 MIPI-DSI IPS LCD panel made by Xingbangda, which is used on PinePhone final assembled phones. Add support for it. Signed-off-by: Icenowy Zheng --- drivers/gpu/drm/panel/Kconfig | 9 + drivers/gpu/drm/panel/Makefile | 1 + .../gpu/drm/panel/panel-xingbangda-xbd599.c | 367 ++++++++++++++++++ 3 files changed, 377 insertions(+) create mode 100644 drivers/gpu/drm/panel/panel-xingbangda-xbd599.c diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig index da3b84602cdd..d648f40469c7 100644 --- a/drivers/gpu/drm/panel/Kconfig +++ b/drivers/gpu/drm/panel/Kconfig @@ -413,6 +413,15 @@ config DRM_PANEL_TRULY_NT35597_WQXGA Say Y here if you want to enable support for Truly NT35597 WQXGA Dual DSI Video Mode panel +config DRM_PANEL_XINGBANGDA_XBD599 + tristate "Xingbangda XBD599 panel" + depends on OF + depends on DRM_MIPI_DSI + depends on BACKLIGHT_CLASS_DEVICE + help + Say Y here if you want to enable support for the Xingbangda XBD599 + MIPI DSI Video Mode panel. + config DRM_PANEL_XINPENG_XPP055C272 tristate "Xinpeng XPP055C272 panel driver" depends on OF diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile index af1e2a3cc5fc..d9645f079e59 100644 --- a/drivers/gpu/drm/panel/Makefile +++ b/drivers/gpu/drm/panel/Makefile @@ -44,4 +44,5 @@ obj-$(CONFIG_DRM_PANEL_TPO_TD028TTEC1) += panel-tpo-td028ttec1.o obj-$(CONFIG_DRM_PANEL_TPO_TD043MTEA1) += panel-tpo-td043mtea1.o obj-$(CONFIG_DRM_PANEL_TPO_TPG110) += panel-tpo-tpg110.o obj-$(CONFIG_DRM_PANEL_TRULY_NT35597_WQXGA) += panel-truly-nt35597.o +obj-$(CONFIG_DRM_PANEL_XINGBANGDA_XBD599) += panel-xingbangda-xbd599.o obj-$(CONFIG_DRM_PANEL_XINPENG_XPP055C272) += panel-xinpeng-xpp055c272.o diff --git a/drivers/gpu/drm/panel/panel-xingbangda-xbd599.c b/drivers/gpu/drm/panel/panel-xingbangda-xbd599.c new file mode 100644 index 000000000000..68a5d8bb7f26 --- /dev/null +++ b/drivers/gpu/drm/panel/panel-xingbangda-xbd599.c @@ -0,0 +1,367 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Xingbangda XBD599 MIPI-DSI panel driver + * + * Copyright (C) 2019 Icenowy Zheng + * + * Based on panel-rocktech-jh057n00900.c, which is: + * Copyright (C) Purism SPC 2019 + */ + +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#define DRV_NAME "panel-xingbangda-xbd599" + +/* Manufacturer specific Commands send via DSI */ +#define ST7703_CMD_ALL_PIXEL_OFF 0x22 +#define ST7703_CMD_ALL_PIXEL_ON 0x23 +#define ST7703_CMD_SETDISP 0xB2 +#define ST7703_CMD_SETRGBIF 0xB3 +#define ST7703_CMD_SETCYC 0xB4 +#define ST7703_CMD_SETBGP 0xB5 +#define ST7703_CMD_SETVCOM 0xB6 +#define ST7703_CMD_SETOTP 0xB7 +#define ST7703_CMD_SETPOWER_EXT 0xB8 +#define ST7703_CMD_SETEXTC 0xB9 +#define ST7703_CMD_SETMIPI 0xBA +#define ST7703_CMD_SETVDC 0xBC +#define ST7703_CMD_SETSCR 0xC0 +#define ST7703_CMD_SETPOWER 0xC1 +#define ST7703_CMD_UNK_C6 0xC6 +#define ST7703_CMD_SETPANEL 0xCC +#define ST7703_CMD_SETGAMMA 0xE0 +#define ST7703_CMD_SETEQ 0xE3 +#define ST7703_CMD_SETGIP1 0xE9 +#define ST7703_CMD_SETGIP2 0xEA + +static const char * const regulator_names[] = { + "iovcc", + "vcc", +}; + +struct xbd599 { + struct device *dev; + struct drm_panel panel; + struct gpio_desc *reset_gpio; + struct regulator_bulk_data supplies[ARRAY_SIZE(regulator_names)]; + bool prepared; +}; + +static inline struct xbd599 *panel_to_xbd599(struct drm_panel *panel) +{ + return container_of(panel, struct xbd599, panel); +} + +#define dsi_dcs_write_seq(dsi, cmd, seq...) do { \ + static const u8 d[] = { seq }; \ + int ret; \ + ret = mipi_dsi_dcs_write(dsi, cmd, d, ARRAY_SIZE(d)); \ + if (ret < 0) \ + return ret; \ + } while (0) + +static int xbd599_init_sequence(struct xbd599 *ctx) +{ + struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); + struct device *dev = ctx->dev; + int ret; + + /* + * Init sequence was supplied by the panel vendor. + */ + dsi_dcs_write_seq(dsi, ST7703_CMD_SETEXTC, + 0xF1, 0x12, 0x83); + dsi_dcs_write_seq(dsi, ST7703_CMD_SETMIPI, + 0x33, 0x81, 0x05, 0xF9, 0x0E, 0x0E, 0x20, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x44, 0x25, + 0x00, 0x91, 0x0a, 0x00, 0x00, 0x02, 0x4F, 0x11, + 0x00, 0x00, 0x37); + dsi_dcs_write_seq(dsi, ST7703_CMD_SETPOWER_EXT, + 0x25, 0x22, 0x20, 0x03); + dsi_dcs_write_seq(dsi, ST7703_CMD_SETRGBIF, + 0x10, 0x10, 0x05, 0x05, 0x03, 0xFF, 0x00, 0x00, + 0x00, 0x00); + dsi_dcs_write_seq(dsi, ST7703_CMD_SETSCR, + 0x73, 0x73, 0x50, 0x50, 0x00, 0xC0, 0x08, 0x70, + 0x00); + dsi_dcs_write_seq(dsi, ST7703_CMD_SETVDC, 0x4E); + dsi_dcs_write_seq(dsi, ST7703_CMD_SETPANEL, 0x0B); + dsi_dcs_write_seq(dsi, ST7703_CMD_SETCYC, 0x80); + dsi_dcs_write_seq(dsi, ST7703_CMD_SETDISP, 0xF0, 0x12, 0xF0); + dsi_dcs_write_seq(dsi, ST7703_CMD_SETEQ, + 0x00, 0x00, 0x0B, 0x0B, 0x10, 0x10, 0x00, 0x00, + 0x00, 0x00, 0xFF, 0x00, 0xC0, 0x10); + dsi_dcs_write_seq(dsi, 0xC6, 0x01, 0x00, 0xFF, 0xFF, 0x00); + dsi_dcs_write_seq(dsi, ST7703_CMD_SETPOWER, + 0x74, 0x00, 0x32, 0x32, 0x77, 0xF1, 0xFF, 0xFF, + 0xCC, 0xCC, 0x77, 0x77); + dsi_dcs_write_seq(dsi, ST7703_CMD_SETBGP, 0x07, 0x07); + dsi_dcs_write_seq(dsi, ST7703_CMD_SETVCOM, 0x2C, 0x2C); + dsi_dcs_write_seq(dsi, 0xBF, 0x02, 0x11, 0x00); + + dsi_dcs_write_seq(dsi, ST7703_CMD_SETGIP1, + 0x82, 0x10, 0x06, 0x05, 0xA2, 0x0A, 0xA5, 0x12, + 0x31, 0x23, 0x37, 0x83, 0x04, 0xBC, 0x27, 0x38, + 0x0C, 0x00, 0x03, 0x00, 0x00, 0x00, 0x0C, 0x00, + 0x03, 0x00, 0x00, 0x00, 0x75, 0x75, 0x31, 0x88, + 0x88, 0x88, 0x88, 0x88, 0x88, 0x13, 0x88, 0x64, + 0x64, 0x20, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, + 0x02, 0x88, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00); + dsi_dcs_write_seq(dsi, ST7703_CMD_SETGIP2, + 0x02, 0x21, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x02, 0x46, 0x02, 0x88, + 0x88, 0x88, 0x88, 0x88, 0x88, 0x64, 0x88, 0x13, + 0x57, 0x13, 0x88, 0x88, 0x88, 0x88, 0x88, 0x88, + 0x75, 0x88, 0x23, 0x14, 0x00, 0x00, 0x02, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00 ,0x00, 0x00, 0x00, 0x03, 0x0A, + 0xA5, 0x00, 0x00, 0x00, 0x00); + dsi_dcs_write_seq(dsi, ST7703_CMD_SETGAMMA, + 0x00, 0x09, 0x0D, 0x23, 0x27, 0x3C, 0x41, 0x35, + 0x07, 0x0D, 0x0E, 0x12, 0x13, 0x10, 0x12, 0x12, + 0x18, 0x00, 0x09, 0x0D, 0x23, 0x27, 0x3C, 0x41, + 0x35, 0x07, 0x0D, 0x0E, 0x12, 0x13, 0x10, 0x12, + 0x12, 0x18); + msleep(20); + + ret = mipi_dsi_dcs_exit_sleep_mode(dsi); + if (ret < 0) { + DRM_DEV_ERROR(dev, "Failed to exit sleep mode\n"); + return ret; + } + msleep(250); + + ret = mipi_dsi_dcs_set_display_on(dsi); + if (ret) + return ret; + msleep(50); + + DRM_DEV_DEBUG_DRIVER(dev, "Panel init sequence done\n"); + return 0; +} + +static int xbd599_disable(struct drm_panel *panel) +{ + struct xbd599 *ctx = panel_to_xbd599(panel); + struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); + + return mipi_dsi_dcs_set_display_off(dsi); +} + +static int xbd599_unprepare(struct drm_panel *panel) +{ + struct xbd599 *ctx = panel_to_xbd599(panel); + + if (!ctx->prepared) + return 0; + + regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies); + ctx->prepared = false; + + return 0; +} + +static int xbd599_enable(struct drm_panel *panel) +{ + struct xbd599 *ctx = panel_to_xbd599(panel); + int ret; + + ret = xbd599_init_sequence(ctx); + if (ret < 0) { + DRM_DEV_ERROR(ctx->dev, "Panel init sequence failed: %d\n", + ret); + return ret; + } + + return 0; +} + +static int xbd599_prepare(struct drm_panel *panel) +{ + struct xbd599 *ctx = panel_to_xbd599(panel); + int ret; + + if (ctx->prepared) + return 0; + + ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies); + if (ret) + return ret; + + DRM_DEV_DEBUG_DRIVER(ctx->dev, "Resetting the panel\n"); + gpiod_set_value_cansleep(ctx->reset_gpio, 1); + usleep_range(20, 40); + gpiod_set_value_cansleep(ctx->reset_gpio, 0); + msleep(20); + + ctx->prepared = true; + + return 0; +} + +static const struct drm_display_mode xbd599_default_mode = { + .hdisplay = 720, + .hsync_start = 720 + 40, + .hsync_end = 720 + 40 + 40, + .htotal = 720 + 40 + 40 + 40, + .vdisplay = 1440, + .vsync_start = 1440 + 18, + .vsync_end = 1440 + 18 + 10, + .vtotal = 1440 + 18 + 10 + 17, + .vrefresh = 60, + .clock = 69000, + .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC, + + .width_mm = 68, + .height_mm = 136, + .type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED, +}; + +static int xbd599_get_modes(struct drm_panel *panel, + struct drm_connector *connector) +{ + struct xbd599 *ctx = panel_to_xbd599(panel); + struct drm_display_mode *mode; + + mode = drm_mode_duplicate(connector->dev, &xbd599_default_mode); + if (!mode) { + DRM_DEV_ERROR(ctx->dev, "Failed to add mode\n"); + return -ENOMEM; + } + + drm_mode_set_name(mode); + + mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; + connector->display_info.width_mm = mode->width_mm; + connector->display_info.height_mm = mode->height_mm; + drm_mode_probed_add(connector, mode); + + return 1; +} + +static const struct drm_panel_funcs xbd599_drm_funcs = { + .disable = xbd599_disable, + .unprepare = xbd599_unprepare, + .enable = xbd599_enable, + .prepare = xbd599_prepare, + .get_modes = xbd599_get_modes, +}; + +static int xbd599_probe(struct mipi_dsi_device *dsi) +{ + struct device *dev = &dsi->dev; + struct xbd599 *ctx; + int i, ret; + + ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); + if (!ctx) + return -ENOMEM; + + for (i = 0; i < ARRAY_SIZE(ctx->supplies); i++) + ctx->supplies[i].supply = regulator_names[i]; + + ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(ctx->supplies), + ctx->supplies); + if (ret < 0) { + DRM_DEV_ERROR(&dsi->dev, "cannot get regulators\n"); + return ret; + } + + ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW); + if (IS_ERR(ctx->reset_gpio)) { + DRM_DEV_ERROR(dev, "cannot get reset gpio\n"); + return PTR_ERR(ctx->reset_gpio); + } + + mipi_dsi_set_drvdata(dsi, ctx); + + ctx->dev = dev; + + dsi->lanes = 4; + dsi->format = MIPI_DSI_FMT_RGB888; + dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE; + + drm_panel_init(&ctx->panel, &dsi->dev, &xbd599_drm_funcs, + DRM_MODE_CONNECTOR_DSI); + + ret = drm_panel_of_backlight(&ctx->panel); + if (ret) + return ret; + + drm_panel_add(&ctx->panel); + + ret = mipi_dsi_attach(dsi); + if (ret < 0) { + DRM_DEV_ERROR(dev, "mipi_dsi_attach failed. Is host ready?\n"); + drm_panel_remove(&ctx->panel); + return ret; + } + + DRM_DEV_INFO(dev, "%ux%u@%u %ubpp dsi %udl - ready\n", + xbd599_default_mode.hdisplay, + xbd599_default_mode.vdisplay, + xbd599_default_mode.vrefresh, + mipi_dsi_pixel_format_to_bpp(dsi->format), dsi->lanes); + + return 0; +} + +static void xbd599_shutdown(struct mipi_dsi_device *dsi) +{ + struct xbd599 *ctx = mipi_dsi_get_drvdata(dsi); + int ret; + + ret = xbd599_unprepare(&ctx->panel); + if (ret < 0) + DRM_DEV_ERROR(&dsi->dev, "Failed to unprepare panel: %d\n", + ret); +} + +static int xbd599_remove(struct mipi_dsi_device *dsi) +{ + struct xbd599 *ctx = mipi_dsi_get_drvdata(dsi); + int ret; + + xbd599_shutdown(dsi); + + ret = mipi_dsi_detach(dsi); + if (ret < 0) + DRM_DEV_ERROR(&dsi->dev, "Failed to detach from DSI host: %d\n", + ret); + + drm_panel_remove(&ctx->panel); + + return 0; +} + +static const struct of_device_id xbd599_of_match[] = { + { .compatible = "xingbangda,xbd599", }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, xbd599_of_match); + +static struct mipi_dsi_driver xbd599_driver = { + .probe = xbd599_probe, + .remove = xbd599_remove, + .shutdown = xbd599_shutdown, + .driver = { + .name = DRV_NAME, + .of_match_table = xbd599_of_match, + }, +}; +module_mipi_dsi_driver(xbd599_driver); + +MODULE_AUTHOR("Icenowy Zheng "); +MODULE_DESCRIPTION("DRM driver for Xingbangda XBD599 MIPI DSI panel"); +MODULE_LICENSE("GPL v2"); From patchwork Wed Mar 11 16:33:29 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Icenowy Zheng X-Patchwork-Id: 203456 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_NONE,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by archive.lwn.net (Postfix) with ESMTP id 2D9977D910 for ; Wed, 11 Mar 2020 16:35:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730174AbgCKQfC (ORCPT ); Wed, 11 Mar 2020 12:35:02 -0400 Received: from hermes.aosc.io ([199.195.250.187]:58143 "EHLO hermes.aosc.io" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730122AbgCKQfC (ORCPT ); Wed, 11 Mar 2020 12:35:02 -0400 Received: from localhost (localhost [127.0.0.1]) (Authenticated sender: icenowy@aosc.io) by hermes.aosc.io (Postfix) with ESMTPSA id 547A64C335; Wed, 11 Mar 2020 16:34:53 +0000 (UTC) From: Icenowy Zheng To: Thierry Reding , Sam Ravnborg , Rob Herring , Maxime Ripard , Chen-Yu Tsai , Ondrej Jirman Cc: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@googlegroups.com, Icenowy Zheng Subject: [PATCH 5/5] arm64: allwinner: dts: a64: add LCD-related device nodes for PinePhone Date: Thu, 12 Mar 2020 00:33:29 +0800 Message-Id: <20200311163329.221840-6-icenowy@aosc.io> In-Reply-To: <20200311163329.221840-1-icenowy@aosc.io> References: <20200311163329.221840-1-icenowy@aosc.io> MIME-Version: 1.0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=aosc.io; s=dkim; t=1583944501; h=from:subject:date:message-id:to:cc:mime-version:content-transfer-encoding:in-reply-to:references; bh=u9w5nAbN8r7AuM3w2A7hm0aQ2elaDIKLhYe17LG/UKw=; b=OuclH6urbbHX4kgu9EHBRU0pQYaQnNhzw7kkFHhgFmMBeN52FCgbhRETL7FJ/OdQ5cZDi3 TaqZ7I76I/vIVkrPIFWCY6+FP3GVx8pJLjoeGSkYfvUYudOZjCpInO0mTBx49H5kfAuo8s cboEN30pn3Ae2Brmh0trBPrEOR/qwu0= Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Archived-At: List-Archive: List-Post: PinePhone uses PWM backlight and a XBD599 LCD panel over DSI for display. Add its device nodes. Signed-off-by: Icenowy Zheng --- .../dts/allwinner/sun50i-a64-pinephone.dtsi | 37 +++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi index cefda145c3c9..96d9150423e0 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi @@ -16,6 +16,15 @@ aliases { serial0 = &uart0; }; + backlight: backlight { + compatible = "pwm-backlight"; + pwms = <&r_pwm 0 50000 PWM_POLARITY_INVERTED>; + brightness-levels = <0 16 18 20 22 24 26 29 32 35 38 42 46 51 56 62 68 75 83 91 100>; + default-brightness-level = <15>; + enable-gpios = <&pio 7 10 GPIO_ACTIVE_HIGH>; /* PH10 */ + power-supply = <®_ldo_io0>; + }; + chosen { stdout-path = "serial0:115200n8"; }; @@ -84,6 +93,30 @@ &dai { status = "okay"; }; +&de { + status = "okay"; +}; + +&dphy { + status = "okay"; +}; + +&dsi { + vcc-dsi-supply = <®_dldo1>; + #address-cells = <1>; + #size-cells = <0>; + status = "okay"; + + panel@0 { + compatible = "xingbangda,xbd599"; + reg = <0>; + reset-gpios = <&pio 3 23 GPIO_ACTIVE_LOW>; /* PD23 */ + iovcc-supply = <®_dldo2>; + vcc-supply = <®_ldo_io0>; + backlight = <&backlight>; + }; +}; + &ehci0 { status = "okay"; }; @@ -188,6 +221,10 @@ &r_pio { */ }; +&r_pwm { + status = "okay"; +}; + &r_rsb { status = "okay";