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[83.8.115.30]) by smtp.gmail.com with ESMTPSA id g10-20020a170906594a00b008cecb8f374asm15028335ejr.0.2023.05.01.11.51.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 01 May 2023 11:51:11 -0700 (PDT) From: Artur Weber To: Thierry Reding Cc: Sam Ravnborg , David Airlie , Daniel Vetter , Rob Herring , Krzysztof Kozlowski , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, ~postmarketos/upstreaming@lists.sr.ht, Artur Weber Subject: [PATCH v4 1/3] dt-bindings: display: panel: Add Samsung S6D7AA0 LCD panel controller Date: Mon, 1 May 2023 20:51:01 +0200 Message-Id: <20230501185103.25939-2-aweber.kernel@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230501185103.25939-1-aweber.kernel@gmail.com> References: <20230501185103.25939-1-aweber.kernel@gmail.com> MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1764719785076299945?= X-GMAIL-MSGID: =?utf-8?q?1764719785076299945?= Add bindings for the S6D7AA0 LCD panel controller, including the S6D7AA0-LSL080AL02 panel used in the Samsung Galaxy Tab 3 8.0 family of tablets, and the S6D7AA0-LSL080AL03 and S6D7AA0-LTL101AT01 panels used in the Samsung Galaxy Tab A 8.0 and 9.7 2015. Signed-off-by: Artur Weber --- Changed in v2: - Updated commit message - Applied suggestions from Krzysztof Kozlowski Changed in v3: - Correctly applied suggestions Changed in v4: - Added LSL080AL03, LTL101AT01 compatibles - Added description to reset-gpios - Added vmipi-supply, renamed enable-supply to power-supply --- .../display/panel/samsung,s6d7aa0.yaml | 68 +++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/panel/samsung,s6d7aa0.yaml diff --git a/Documentation/devicetree/bindings/display/panel/samsung,s6d7aa0.yaml b/Documentation/devicetree/bindings/display/panel/samsung,s6d7aa0.yaml new file mode 100644 index 000000000000..918f62a78ecd --- /dev/null +++ b/Documentation/devicetree/bindings/display/panel/samsung,s6d7aa0.yaml @@ -0,0 +1,68 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/panel/samsung,s6d7aa0.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Samsung S6D7AA0 MIPI-DSI LCD panel controller + +maintainers: + - Artur Weber + +allOf: + - $ref: panel-common.yaml# + +properties: + compatible: + enum: + # 1280x800 LSL080AL02 panel + - samsung,s6d7aa0-lsl080al02 + # 1024x768 LSL080AL03 panel + - samsung,s6d7aa0-lsl080al03 + # 1024x768 LTL101AT01 panel + - samsung,s6d7aa0-ltl101at01 + + reg: true + + backlight: + description: | + Backlight to use for the panel. If this property is set on panels + that have DSI-based backlight control (LSL080AL03 and LTL101AT01), + it overrides the DSI-based backlight. + + reset-gpios: + description: Reset GPIO pin, usually GPIO_ACTIVE_LOW. + + power-supply: + description: | + Main power supply for the panel; the exact voltage differs between + panels, and is usually somewhere around 3.3-5v. + + vmipi-supply: + description: VMIPI supply, usually 1.8v. + +required: + - compatible + - reg + - reset-gpios + +additionalProperties: false + +examples: + - | + #include + + dsi { + #address-cells = <1>; + #size-cells = <0>; + + panel@0 { + compatible = "samsung,s6d7aa0-lsl080al02"; + reg = <0>; + power-supply = <&display_3v3_supply>; + reset-gpios = <&gpf0 4 GPIO_ACTIVE_LOW>; + backlight = <&backlight>; + }; + }; + +... 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[83.8.115.30]) by smtp.gmail.com with ESMTPSA id g10-20020a170906594a00b008cecb8f374asm15028335ejr.0.2023.05.01.11.51.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 01 May 2023 11:51:13 -0700 (PDT) From: Artur Weber To: Thierry Reding Cc: Sam Ravnborg , David Airlie , Daniel Vetter , Rob Herring , Krzysztof Kozlowski , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, ~postmarketos/upstreaming@lists.sr.ht, Artur Weber , Nikita Travkin Subject: [PATCH v4 2/3] drm/panel: Add Samsung S6D7AA0 panel controller driver Date: Mon, 1 May 2023 20:51:02 +0200 Message-Id: <20230501185103.25939-3-aweber.kernel@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230501185103.25939-1-aweber.kernel@gmail.com> References: <20230501185103.25939-1-aweber.kernel@gmail.com> MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1764720512787414164?= X-GMAIL-MSGID: =?utf-8?q?1764720512787414164?= Initial driver for S6D7AA0-controlled panels. Currently, the following panels are supported: - S6D7AA0-LSL080AL02 (Samsung Galaxy Tab 3 8.0) - S6D7AA0-LSL080AL03 (Samsung Galaxy Tab A 8.0 2015) - S6D7AA0-LTL101AT01 (Samsung Galaxy Tab A 9.7 2015) It should be possible to extend this driver to work with other panels using this IC. Tested-by: Nikita Travkin #ltl101at01 Signed-off-by: Artur Weber --- Changed in v2: - Removed unused panel_name property from desc struct Changed in v4: - Added LSL080AL03 and LTL101AT01 panels - Added DSI-controlled backlight support for panels that support it - Renamed command defines: CMD_* -> MCS_* - Dropped s6d7aa0_bl_ctl_on (not universal across panels) - Dropped MIPI_DSI_MODE_LPM flag - Added vmipi-supply, renamed enable-supply to power-supply --- drivers/gpu/drm/panel/Kconfig | 7 + drivers/gpu/drm/panel/Makefile | 1 + drivers/gpu/drm/panel/panel-samsung-s6d7aa0.c | 585 ++++++++++++++++++ 3 files changed, 593 insertions(+) create mode 100644 drivers/gpu/drm/panel/panel-samsung-s6d7aa0.c diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig index 2b9d6db7860b..203c0ef0bbfd 100644 --- a/drivers/gpu/drm/panel/Kconfig +++ b/drivers/gpu/drm/panel/Kconfig @@ -553,6 +553,13 @@ config DRM_PANEL_SAMSUNG_S6D27A1 This panel can be found in Samsung Galaxy Ace 2 GT-I8160 mobile phone. +config DRM_PANEL_SAMSUNG_S6D7AA0 + tristate "Samsung S6D7AA0 MIPI-DSI video mode panel controller" + depends on OF + depends on BACKLIGHT_CLASS_DEVICE + select DRM_MIPI_DSI + select VIDEOMODE_HELPERS + config DRM_PANEL_SAMSUNG_S6E3HA2 tristate "Samsung S6E3HA2 DSI video mode panel" depends on OF diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile index ff169781e82d..30cf553c8d1d 100644 --- a/drivers/gpu/drm/panel/Makefile +++ b/drivers/gpu/drm/panel/Makefile @@ -54,6 +54,7 @@ obj-$(CONFIG_DRM_PANEL_SAMSUNG_DB7430) += panel-samsung-db7430.o obj-$(CONFIG_DRM_PANEL_SAMSUNG_LD9040) += panel-samsung-ld9040.o obj-$(CONFIG_DRM_PANEL_SAMSUNG_S6D16D0) += panel-samsung-s6d16d0.o obj-$(CONFIG_DRM_PANEL_SAMSUNG_S6D27A1) += panel-samsung-s6d27a1.o +obj-$(CONFIG_DRM_PANEL_SAMSUNG_S6D7AA0) += panel-samsung-s6d7aa0.o obj-$(CONFIG_DRM_PANEL_SAMSUNG_S6E3HA2) += panel-samsung-s6e3ha2.o obj-$(CONFIG_DRM_PANEL_SAMSUNG_S6E63J0X03) += panel-samsung-s6e63j0x03.o obj-$(CONFIG_DRM_PANEL_SAMSUNG_S6E63M0) += panel-samsung-s6e63m0.o diff --git a/drivers/gpu/drm/panel/panel-samsung-s6d7aa0.c b/drivers/gpu/drm/panel/panel-samsung-s6d7aa0.c new file mode 100644 index 000000000000..f839ef14790f --- /dev/null +++ b/drivers/gpu/drm/panel/panel-samsung-s6d7aa0.c @@ -0,0 +1,585 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Samsung S6D7AA0 MIPI-DSI TFT LCD controller drm_panel driver. + * + * Copyright (C) 2022 Artur Weber + */ + +#include +#include +#include +#include +#include +#include +#include + +#include