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Tue, 11 May 2021 02:27:33 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 1FEF561466; Tue, 11 May 2021 02:27:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1620700051; bh=0s5VHawRtxwlwlHKrz6cNOOfyLZenbHb07VdzgiSQao=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=JoN7wK3NJoPA93GxMC4NV895JVH4+hH+bPAzIWmqlZjA9NtTihRw1kgg1VMNvhsoq /HaRWgsJMEn2xRmw5Hp5dSPaHRu59ow5OjN8+1eX4GobVH4jPZ/PPcrJSh7yYtqb06 sYKp8XuIkzrAL6vrerPOorZLDoHRWWyBlc9JHUUlAiwdi9no9ksjGIipY4BC2vvbHK eOMPyzOrkFzhwJB2j10fav3AgO1lofoZ1NLlF7C/D/jmlofYtiq5vze5//QvTkCSgo DQrt1XHEcqitSYbPQZ+ptkJw0XcVBuwl2QWzbxI/HJvFWHlqmlNPwOCRq+igLcFgbG 1ApfrHfcYgXmA== Date: Tue, 11 May 2021 10:27:25 +0800 From: Shawn Guo To: Adrien Grassein Cc: robh+dt@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, catalin.marinas@arm.com, will@kernel.org, bjorn.andersson@linaro.org, krzk@kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v3 3/4] arm64: dts: imx8mq-nitrogen: add lt8912 MIPI-DSI to HDMI Message-ID: <20210511022725.GC3425@dragon> References: <20210331232356.2204476-1-adrien.grassein@gmail.com> <20210331232356.2204476-4-adrien.grassein@gmail.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210331232356.2204476-4-adrien.grassein@gmail.com> User-Agent: Mutt/1.9.4 (2018-02-28) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210510_192732_464682_2C328842 X-CRM114-Status: GOOD ( 17.65 ) /bin/ln: failed to access 'reaver_cache/texts/20210510_192732_464682_2C328842': No such file or directory X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210510_192732_464682_2C328842 X-CRM114-Status: GOOD ( 14.30 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, Apr 01, 2021 at 01:23:55AM +0200, Adrien Grassein wrote: > Add support of the lt8912b in the DTB. > This adds the support of the DB_DSIHD daugther board from > Boundary Devices. > > Signed-off-by: Adrien Grassein > --- > .../boot/dts/freescale/imx8mq-nitrogen.dts | 120 ++++++++++++++++++ > 1 file changed, 120 insertions(+) > > diff --git a/arch/arm64/boot/dts/freescale/imx8mq-nitrogen.dts b/arch/arm64/boot/dts/freescale/imx8mq-nitrogen.dts > index 04992cbba56e..4ffd23ea705f 100644 > --- a/arch/arm64/boot/dts/freescale/imx8mq-nitrogen.dts > +++ b/arch/arm64/boot/dts/freescale/imx8mq-nitrogen.dts > @@ -34,6 +34,19 @@ power { > }; > }; > > + hdmi-connector { > + compatible = "hdmi-connector"; > + ddc-i2c-bus = <&ddc_i2c_bus>; > + label = "hdmi"; > + type = "a"; > + > + port { > + hdmi_connector_in: endpoint { > + remote-endpoint = <<8912_out>; > + }; > + }; > + }; > + > reg_usb_otg_vbus: regulator-usb-otg-vbus { > compatible = "regulator-fixed"; > pinctrl-names = "default"; > @@ -81,6 +94,9 @@ reg_vref_5v: regulator-vref-5v { > }; > }; > > +&dphy { > + status = "okay"; > +}; > > &fec1 { > pinctrl-names = "default"; > @@ -193,6 +209,97 @@ rtc@68 { > }; > }; > > +&i2c4 { > + clock-frequency = <100000>; > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_i2c4>; > + status = "okay"; > + > + pca9546: i2cmux9546@70 { Node name should be generic, so 9546 should be dropped from there? > + compatible = "nxp,pca9546"; > + reg = <0x70>; > + #address-cells = <1>; > + #size-cells = <0>; > + > + i2c4@0 { Is number 4 really needed in node name? > + reg = <0>; > + #address-cells = <1>; > + #size-cells = <0>; > + clock-frequency = <100000>; > + > + hdmi-bridge@48 { > + compatible = "lontium,lt8912b"; > + reg = <0x48> ; > + reset-gpios = <&max7323 0 GPIO_ACTIVE_LOW>; > + > + ports { > + #address-cells = <1>; > + #size-cells = <0>; > + > + port@0 { > + reg = <0>; > + > + hdmi_out_in: endpoint { > + data-lanes = <1 2 3 4>; > + remote-endpoint = <&mipi_dsi_out>; > + }; > + }; > + > + port@1 { > + reg = <1>; > + > + lt8912_out: endpoint { > + remote-endpoint = <&hdmi_connector_in>; > + }; > + }; > + }; > + }; > + }; > + > + ddc_i2c_bus: i2c4@1 { > + reg = <1>; > + #address-cells = <1>; > + #size-cells = <0>; > + clock-frequency = <100000>; > + }; > + > + i2c4@3 { > + reg = <3>; > + #address-cells = <1>; > + #size-cells = <0>; > + clock-frequency = <100000>; > + > + max7323: max7323@68 { Can we have a generic node name for this device? > + compatible = "maxim,max7323"; > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_max7323>; > + gpio-controller; > + reg = <0x68>; > + #gpio-cells = <2>; > + }; > + }; > + }; > +}; > + > +&lcdif { > + status = "okay"; > +}; > + > +&mipi_dsi { > + status = "okay"; Move it to end of property list. > + #address-cells = <1>; > + #size-cells = <0>; > + > + ports { > + port@1 { > + reg = <1>; Newline between property and child node. Shawn > + mipi_dsi_out: endpoint { > + remote-endpoint = <&hdmi_out_in>; > + }; > + }; > + }; > +}; > + > &uart1 { /* console */ > pinctrl-names = "default"; > pinctrl-0 = <&pinctrl_uart1>; > @@ -368,6 +475,19 @@ MX8MQ_IOMUXC_GPIO1_IO06_GPIO1_IO6 0x49 > >; > }; > > + pinctrl_i2c4: i2c4grp { > + fsl,pins = < > + MX8MQ_IOMUXC_I2C4_SCL_I2C4_SCL 0x4000007f > + MX8MQ_IOMUXC_I2C4_SDA_I2C4_SDA 0x4000007f > + >; > + }; > + > + pinctrl_max7323: max7323grp { > + fsl,pins = < > + MX8MQ_IOMUXC_NAND_RE_B_GPIO3_IO15 0x19 > + >; > + }; > + > pinctrl_reg_arm_dram: reg-arm-dramgrp { > fsl,pins = < > MX8MQ_IOMUXC_SAI5_RXD3_GPIO3_IO24 0x16 > -- > 2.25.1 > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel