From patchwork Fri Jan 25 19:22:32 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jagan Teki X-Patchwork-Id: 10781925 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 37A8113B5 for ; Fri, 25 Jan 2019 19:22:48 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 164422E6E7 for ; Fri, 25 Jan 2019 19:22:48 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0A51D304C0; Fri, 25 Jan 2019 19:22:48 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 6506530321 for ; Fri, 25 Jan 2019 19:22:47 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 50A256E09E; Fri, 25 Jan 2019 19:22:45 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail-pg1-x543.google.com (mail-pg1-x543.google.com [IPv6:2607:f8b0:4864:20::543]) by gabe.freedesktop.org (Postfix) with ESMTPS id 06A0F6E09E for ; Fri, 25 Jan 2019 19:22:44 +0000 (UTC) Received: by mail-pg1-x543.google.com with SMTP id w7so4571761pgp.13 for ; Fri, 25 Jan 2019 11:22:44 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=szGl+82zV5PheiGr3K09m5lJ0P6dvb1tBJjcTMBUukQ=; b=Nde64gBaip+ygtSN23Jh/slIde33X1yk2f9t0zCGeAGL/HsZCb1jg+sdB0nWb7CTqy zf0Jxdsz4zRon4zs7dRDI2q4+U4wAt9YNYj8NONTP6kq3wadbm/eitHaVLNi+ocdFHLz CSNlzrhceSgnpkigFGvprslCqNUoSdBDnlmPEIecRUOIqoA8mB1VPahuiIqNSmrgt2ax fcF2/+nAk5Po+p5PaO0oKh8qBcB4oO7/pcz2vDx0d6Zc8i9KK+ucMIdgyGk0448hi+GZ g2Q4Z6SdC0Aade1CB7ig7Ly3JvbHcaAzDcp2Sz3BUKWf9QCna+4RcC3saQhn4DEvapGN UbFA== X-Gm-Message-State: AJcUukfLi62W+S/FZguz4mO+B6VsGLiUn/uRFj76Pr/ykiFLrWx8ITXw pYYuiGik/CexGDCBvmeswDnIBg== X-Google-Smtp-Source: ALg8bN5LVEOsMYD0fpk10RWXA3PF/yzlGpfJ2u75rxVTOy53l6MaENcHbueE7LLsEKGJSZo+muPltg== X-Received: by 2002:a63:4a0a:: with SMTP id x10mr11052456pga.237.1548444162858; Fri, 25 Jan 2019 11:22:42 -0800 (PST) Received: from localhost.localdomain ([115.97.179.75]) by smtp.gmail.com with ESMTPSA id s2sm49828182pfa.167.2019.01.25.11.22.39 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 25 Jan 2019 11:22:42 -0800 (PST) From: Jagan Teki To: Thierry Reding , David Airlie , Daniel Vetter , Sam Ravnborg Subject: [PATCH v5 1/2] dt-bindings: panel: Add Feiyang FY07024DI26A30-D MIPI-DSI LCD panel Date: Sat, 26 Jan 2019 00:52:32 +0530 Message-Id: <20190125192233.10019-1-jagan@amarulasolutions.com> X-Mailer: git-send-email 2.18.0.321.gffc6fa0e3 MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Michael Trimarchi , linux-amarula@amarulasolutions.com, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Jagan Teki Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP Feiyang FY07024DI26A30-D is 1024x600, 4-lane MIPI-DSI LCD panel. Add dt-bingings for it. Signed-off-by: Jagan Teki Reviewed-by: Rob Herring --- Changes for v5, v4, v3: - none Changes for v2: - new patch, derived from another dsi series .../display/panel/feiyang,fy07024di26a30d.txt | 20 +++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/panel/feiyang,fy07024di26a30d.txt diff --git a/Documentation/devicetree/bindings/display/panel/feiyang,fy07024di26a30d.txt b/Documentation/devicetree/bindings/display/panel/feiyang,fy07024di26a30d.txt new file mode 100644 index 000000000000..82caa7b65ae8 --- /dev/null +++ b/Documentation/devicetree/bindings/display/panel/feiyang,fy07024di26a30d.txt @@ -0,0 +1,20 @@ +Feiyang FY07024DI26A30-D 7" MIPI-DSI LCD Panel + +Required properties: +- compatible: must be "feiyang,fy07024di26a30d" +- reg: DSI virtual channel used by that screen +- avdd-supply: analog regulator dc1 switch +- dvdd-supply: 3v3 digital regulator +- reset-gpios: a GPIO phandle for the reset pin + +Optional properties: +- backlight: phandle for the backlight control. + +panel@0 { + compatible = "feiyang,fy07024di26a30d"; + reg = <0>; + avdd-supply = <®_dc1sw>; + dvdd-supply = <®_dldo2>; + reset-gpios = <&pio 3 24 GPIO_ACTIVE_HIGH>; /* LCD-RST: PD24 */ + backlight = <&backlight>; +}; From patchwork Fri Jan 25 19:22:33 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jagan Teki X-Patchwork-Id: 10781927 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id C76A513B5 for ; Fri, 25 Jan 2019 19:22:50 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B5CB72E6E7 for ; Fri, 25 Jan 2019 19:22:50 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id AA112304C0; Fri, 25 Jan 2019 19:22:50 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id EB0462E6E7 for ; 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Fri, 25 Jan 2019 11:22:46 -0800 (PST) Received: from localhost.localdomain ([115.97.179.75]) by smtp.gmail.com with ESMTPSA id s2sm49828182pfa.167.2019.01.25.11.22.43 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 25 Jan 2019 11:22:45 -0800 (PST) From: Jagan Teki To: Thierry Reding , David Airlie , Daniel Vetter , Sam Ravnborg Subject: [PATCH v5 2/2] drm/panel: Add Feiyang FY07024DI26A30-D MIPI-DSI LCD panel Date: Sat, 26 Jan 2019 00:52:33 +0530 Message-Id: <20190125192233.10019-2-jagan@amarulasolutions.com> X-Mailer: git-send-email 2.18.0.321.gffc6fa0e3 In-Reply-To: <20190125192233.10019-1-jagan@amarulasolutions.com> References: <20190125192233.10019-1-jagan@amarulasolutions.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Michael Trimarchi , linux-amarula@amarulasolutions.com, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Jagan Teki Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP Feiyang FY07024DI26A30-D is 1024x600, 4-lane MIPI-DSI LCD panel. Add panel driver for it. Tested-by: Bhushan Shah Signed-off-by: Jagan Teki Reviewed-by: Sam Ravnborg --- Changes for v5: - drop drmP.h header - order include files - add empty line after kzalloc() - drop gpio set for reset - drop backlight put_device from probe() - drop backlight put_device from remove() - collect Tested-by from Bhushan Shah Changes for v4: - rebase on master - adjust the hporch values to satisfy the refresh Changes for v3: - use simple structure for command init - update proper comments on power, reset delay sequnce - fix to use set_display_off in disable function - move mode type to structure - drop refres rate value, let drm compute Changes for v2: - new patch, derived from another dsi series MAINTAINERS | 6 + drivers/gpu/drm/panel/Kconfig | 9 + drivers/gpu/drm/panel/Makefile | 1 + .../drm/panel/panel-feiyang-fy07024di26a30d.c | 269 ++++++++++++++++++ 4 files changed, 285 insertions(+) create mode 100644 drivers/gpu/drm/panel/panel-feiyang-fy07024di26a30d.c diff --git a/MAINTAINERS b/MAINTAINERS index e3f785bad68b..5c8591eb5840 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -4831,6 +4831,12 @@ T: git git://anongit.freedesktop.org/drm/drm-misc S: Maintained F: drivers/gpu/drm/tve200/ +DRM DRIVER FOR FEIYANG FY07024DI26A30-D MIPI-DSI LCD PANELS +M: Jagan Teki +S: Maintained +F: drivers/gpu/drm/panel/panel-feiyang-fy07024di26a30d.c +F: Documentation/devicetree/bindings/display/panel/feiyang,fy07024di26a30d.txt + DRM DRIVER FOR ILITEK ILI9225 PANELS M: David Lechner S: Maintained diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig index 151ddf720b83..5304db7b7b55 100644 --- a/drivers/gpu/drm/panel/Kconfig +++ b/drivers/gpu/drm/panel/Kconfig @@ -47,6 +47,15 @@ config DRM_PANEL_SIMPLE that it can be automatically turned off when the panel goes into a low power state. +config DRM_PANEL_FEIYANG_FY07024DI26A30D + tristate "Feiyang FY07024DI26A30-D MIPI-DSI LCD panel" + depends on OF + depends on DRM_MIPI_DSI + depends on BACKLIGHT_CLASS_DEVICE + help + Say Y if you want to enable support for panels based on the + Feiyang FY07024DI26A30-D MIPI-DSI interface. + config DRM_PANEL_ILITEK_IL9322 tristate "Ilitek ILI9322 320x240 QVGA panels" depends on OF && SPI diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile index 54db0921f329..c88dacf9d439 100644 --- a/drivers/gpu/drm/panel/Makefile +++ b/drivers/gpu/drm/panel/Makefile @@ -3,6 +3,7 @@ obj-$(CONFIG_DRM_PANEL_ARM_VERSATILE) += panel-arm-versatile.o obj-$(CONFIG_DRM_PANEL_BANANAPI_S070WV20_ICN6211) += panel-bananapi-s070wv20-icn6211.o obj-$(CONFIG_DRM_PANEL_LVDS) += panel-lvds.o obj-$(CONFIG_DRM_PANEL_SIMPLE) += panel-simple.o +obj-$(CONFIG_DRM_PANEL_FEIYANG_FY07024DI26A30D) += panel-feiyang-fy07024di26a30d.o obj-$(CONFIG_DRM_PANEL_ILITEK_IL9322) += panel-ilitek-ili9322.o obj-$(CONFIG_DRM_PANEL_ILITEK_ILI9881C) += panel-ilitek-ili9881c.o obj-$(CONFIG_DRM_PANEL_INNOLUX_P079ZCA) += panel-innolux-p079zca.o diff --git a/drivers/gpu/drm/panel/panel-feiyang-fy07024di26a30d.c b/drivers/gpu/drm/panel/panel-feiyang-fy07024di26a30d.c new file mode 100644 index 000000000000..d5c608170e09 --- /dev/null +++ b/drivers/gpu/drm/panel/panel-feiyang-fy07024di26a30d.c @@ -0,0 +1,269 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2018 Amarula Solutions + * Author: Jagan Teki + */ + +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include + +#define FEIYANG_INIT_CMD_LEN 2 + +struct feiyang { + struct drm_panel panel; + struct mipi_dsi_device *dsi; + + struct backlight_device *backlight; + struct regulator *dvdd; + struct regulator *avdd; + struct gpio_desc *reset; +}; + +static inline struct feiyang *panel_to_feiyang(struct drm_panel *panel) +{ + return container_of(panel, struct feiyang, panel); +} + +struct feiyang_init_cmd { + u8 data[FEIYANG_INIT_CMD_LEN]; +}; + +static const struct feiyang_init_cmd feiyang_init_cmds[] = { + { .data = { 0x80, 0x58 } }, + { .data = { 0x81, 0x47 } }, + { .data = { 0x82, 0xD4 } }, + { .data = { 0x83, 0x88 } }, + { .data = { 0x84, 0xA9 } }, + { .data = { 0x85, 0xC3 } }, + { .data = { 0x86, 0x82 } }, +}; + +static int feiyang_prepare(struct drm_panel *panel) +{ + struct feiyang *ctx = panel_to_feiyang(panel); + struct mipi_dsi_device *dsi = ctx->dsi; + unsigned int i; + int ret; + + ret = regulator_enable(ctx->dvdd); + if (ret) + return ret; + + /* T1 (dvdd start + dvdd rise) 0 < T1 <= 10ms */ + msleep(10); + + ret = regulator_enable(ctx->avdd); + if (ret) + return ret; + + /* T3 (dvdd rise + avdd start + avdd rise) T3 >= 20ms */ + msleep(20); + + gpiod_set_value(ctx->reset, 0); + /* T5 + T6 (avdd rise + video & logic signal rise) + * T5 >= 10ms, 0 < T6 <= 10ms + */ + msleep(20); + + gpiod_set_value(ctx->reset, 1); + + /* T12 (video & logic signal rise + backlight rise) T12 >= 200ms */ + msleep(200); + + for (i = 0; i < ARRAY_SIZE(feiyang_init_cmds); i++) { + const struct feiyang_init_cmd *cmd = + &feiyang_init_cmds[i]; + + ret = mipi_dsi_dcs_write_buffer(dsi, cmd->data, + FEIYANG_INIT_CMD_LEN); + if (ret < 0) + return ret; + } + + return 0; +} + +static int feiyang_enable(struct drm_panel *panel) +{ + struct feiyang *ctx = panel_to_feiyang(panel); + + /* T12 (video & logic signal rise + backlight rise) T12 >= 200ms */ + msleep(200); + + mipi_dsi_dcs_set_display_on(ctx->dsi); + backlight_enable(ctx->backlight); + + return 0; +} + +static int feiyang_disable(struct drm_panel *panel) +{ + struct feiyang *ctx = panel_to_feiyang(panel); + + backlight_disable(ctx->backlight); + return mipi_dsi_dcs_set_display_off(ctx->dsi); +} + +static int feiyang_unprepare(struct drm_panel *panel) +{ + struct feiyang *ctx = panel_to_feiyang(panel); + int ret; + + ret = mipi_dsi_dcs_set_display_off(ctx->dsi); + if (ret < 0) + DRM_DEV_ERROR(panel->dev, "failed to set display off: %d\n", + ret); + + ret = mipi_dsi_dcs_enter_sleep_mode(ctx->dsi); + if (ret < 0) + DRM_DEV_ERROR(panel->dev, "failed to enter sleep mode: %d\n", + ret); + + /* T13 (backlight fall + video & logic signal fall) T13 >= 200ms */ + msleep(200); + + gpiod_set_value(ctx->reset, 0); + + regulator_disable(ctx->avdd); + + /* T11 (dvdd rise to fall) 0 < T11 <= 10ms */ + msleep(10); + + regulator_disable(ctx->dvdd); + + return 0; +} + +static const struct drm_display_mode feiyang_default_mode = { + .clock = 55000, + + .hdisplay = 1024, + .hsync_start = 1024 + 310, + .hsync_end = 1024 + 310 + 20, + .htotal = 1024 + 310 + 20 + 90, + + .vdisplay = 600, + .vsync_start = 600 + 12, + .vsync_end = 600 + 12 + 2, + .vtotal = 600 + 12 + 2 + 21, + + .type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED, +}; + +static int feiyang_get_modes(struct drm_panel *panel) +{ + struct drm_connector *connector = panel->connector; + struct feiyang *ctx = panel_to_feiyang(panel); + struct drm_display_mode *mode; + + mode = drm_mode_duplicate(panel->drm, &feiyang_default_mode); + if (!mode) { + DRM_DEV_ERROR(&ctx->dsi->dev, "failed to add mode %ux%ux@%u\n", + feiyang_default_mode.hdisplay, + feiyang_default_mode.vdisplay, + feiyang_default_mode.vrefresh); + return -ENOMEM; + } + + drm_mode_set_name(mode); + + drm_mode_probed_add(connector, mode); + + return 1; +} + +static const struct drm_panel_funcs feiyang_funcs = { + .disable = feiyang_disable, + .unprepare = feiyang_unprepare, + .prepare = feiyang_prepare, + .enable = feiyang_enable, + .get_modes = feiyang_get_modes, +}; + +static int feiyang_dsi_probe(struct mipi_dsi_device *dsi) +{ + struct feiyang *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 = &feiyang_funcs; + + ctx->dvdd = devm_regulator_get(&dsi->dev, "dvdd"); + if (IS_ERR(ctx->dvdd)) { + DRM_DEV_ERROR(&dsi->dev, "Couldn't get dvdd regulator\n"); + return PTR_ERR(ctx->dvdd); + } + + ctx->avdd = devm_regulator_get(&dsi->dev, "avdd"); + if (IS_ERR(ctx->avdd)) { + DRM_DEV_ERROR(&dsi->dev, "Couldn't get avdd regulator\n"); + return PTR_ERR(ctx->avdd); + } + + ctx->reset = devm_gpiod_get(&dsi->dev, "reset", GPIOD_OUT_LOW); + if (IS_ERR(ctx->reset)) { + DRM_DEV_ERROR(&dsi->dev, "Couldn't get our reset GPIO\n"); + return PTR_ERR(ctx->reset); + } + + ctx->backlight = devm_of_find_backlight(&dsi->dev); + if (IS_ERR(ctx->backlight)) + return PTR_ERR(ctx->backlight); + + ret = drm_panel_add(&ctx->panel); + if (ret < 0) + return ret; + + dsi->mode_flags = MIPI_DSI_MODE_VIDEO_BURST; + dsi->format = MIPI_DSI_FMT_RGB888; + dsi->lanes = 4; + + return mipi_dsi_attach(dsi); +} + +static int feiyang_dsi_remove(struct mipi_dsi_device *dsi) +{ + struct feiyang *ctx = mipi_dsi_get_drvdata(dsi); + + mipi_dsi_detach(dsi); + drm_panel_remove(&ctx->panel); + + return 0; +} + +static const struct of_device_id feiyang_of_match[] = { + { .compatible = "feiyang,fy07024di26a30d", }, + { } +}; +MODULE_DEVICE_TABLE(of, feiyang_of_match); + +static struct mipi_dsi_driver feiyang_driver = { + .probe = feiyang_dsi_probe, + .remove = feiyang_dsi_remove, + .driver = { + .name = "feiyang-fy07024di26a30d", + .of_match_table = feiyang_of_match, + }, +}; +module_mipi_dsi_driver(feiyang_driver); + +MODULE_AUTHOR("Jagan Teki "); +MODULE_DESCRIPTION("Feiyang FY07024DI26A30-D MIPI-DSI LCD panel"); +MODULE_LICENSE("GPL");