From nobody Tue Sep 9 16:54:26 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7A64EC64ED8 for ; Mon, 27 Feb 2023 04:50:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229804AbjB0Eut (ORCPT ); Sun, 26 Feb 2023 23:50:49 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39410 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229803AbjB0Euo (ORCPT ); Sun, 26 Feb 2023 23:50:44 -0500 Received: from wout1-smtp.messagingengine.com (wout1-smtp.messagingengine.com [64.147.123.24]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6CF551C323; Sun, 26 Feb 2023 20:50:43 -0800 (PST) Received: from compute6.internal (compute6.nyi.internal [10.202.2.47]) by mailout.west.internal (Postfix) with ESMTP id E817332008FE; Sun, 26 Feb 2023 23:50:41 -0500 (EST) Received: from mailfrontend2 ([10.202.2.163]) by compute6.internal (MEProxy); Sun, 26 Feb 2023 23:50:43 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alistair23.me; h=cc:cc:content-transfer-encoding:date:date:from:from :in-reply-to:in-reply-to:message-id:mime-version:references :reply-to:sender:subject:subject:to:to; s=fm1; t=1677473441; x= 1677559841; bh=vtIMV4W6tstxNELIu2t+ski4dnTlQV2rwz1WM/2Zye4=; b=B xP0kaiGxFEV1mAr2WCnL6luE+9r+NPxvR5tiowHbCFV70jCTPW/lyShi39amRWv0 OWxSLelT+XucI9NpwJ5WtwE3po73Rj0FIzP+9Dx1FXVqBmJnICaNIdrFzKqBBJtA mVECS/rn0YBUMHd1ZC6Qjw2OPFvJqKRmEesqL66FSsadJJCrjb9+69F/ClhGVrvK GB/En3VCRJXojnJF7eCJ5vXQ1btA6DZNwLW3ArlYeBLyNM4xD1LF/qbEVeeRkm/w xswvFarNlpC6keG6hqzmTVj1bCCTBDzVSRUI3qCWgcK92J3VuvwTED6Ma3X5iZeg WOaqAvPmt+uTB7Uz4U3pw== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-transfer-encoding:date:date :feedback-id:feedback-id:from:from:in-reply-to:in-reply-to :message-id:mime-version:references:reply-to:sender:subject :subject:to:to:x-me-proxy:x-me-proxy:x-me-sender:x-me-sender :x-sasl-enc; s=fm1; t=1677473441; x=1677559841; bh=vtIMV4W6tstxN ELIu2t+ski4dnTlQV2rwz1WM/2Zye4=; b=L1WdS56SdGJLS3+uGLnBsuEPpbIXQ vpezfgxqtV0p9ENQitrjLUXcfE+bfVv/cwkmNqsz5jft+F9TqDUXl6V2oTJA0aeu /ENWXLDkrOkJbB4GB+9tMs/cW3GUil64DY3q/JyBWM0MY6LXWFk143EFYIj7cJe8 v+MWI51UVWbZ7/SUd+sAPGv5Ie/vUNCmCQiBt/AvUTE0OY94bf+ADhDCuH/bDYXd s3LOlDmm1KE8pPlTSL6h5FSnPOefSvmgJCD4zr1DjIWPLdVJviF7IjWMiyfL/T+d kT7p0Mfy3vCP8tw3u0BOoU6MJFy5XCoNPNGlsQ+IDRrecnB0iJQ30PQvw== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvhedrudekledgjeefucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucenucfjughrpefhvfevufffkffojghfggfgsedtke ertdertddtnecuhfhrohhmpeetlhhishhtrghirhcuhfhrrghntghishcuoegrlhhishht rghirhesrghlihhsthgrihhrvdefrdhmvgeqnecuggftrfgrthhtvghrnhepiedtfeekte elvdelveevueeujeffuefguedvteekveejjeeutedufeethffgheehnecuvehluhhsthgv rhfuihiivgeptdenucfrrghrrghmpehmrghilhhfrhhomheprghlihhsthgrihhrsegrlh hishhtrghirhdvfedrmhgv X-ME-Proxy: Feedback-ID: ifd214418:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Sun, 26 Feb 2023 23:50:36 -0500 (EST) From: Alistair Francis To: devicetree@vger.kernel.org, s.hauer@pengutronix.de, krzysztof.kozlowski+dt@linaro.org, shawnguo@kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, robh+dt@kernel.org, linux-imx@nxp.com Cc: linux@armlinux.org.uk, arnd@arndb.de, alistair23@gmail.com, kernel@pengutronix.de, festevam@gmail.com, jernej.skrabec@gmail.com, Alistair Francis Subject: [PATCH v4 1/3] ARM: dts: imx7d-remarkable2: Enable the cyttsp5 Date: Mon, 27 Feb 2023 14:50:21 +1000 Message-Id: <20230227045023.560319-2-alistair@alistair23.me> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230227045023.560319-1-alistair@alistair23.me> References: <20230227045023.560319-1-alistair@alistair23.me> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Add support for the cyttsp5 touchscreen controller for the reMarkable 2. Signed-off-by: Alistair Francis --- arch/arm/boot/dts/imx7d-remarkable2.dts | 97 +++++++++++++++++++++++++ 1 file changed, 97 insertions(+) diff --git a/arch/arm/boot/dts/imx7d-remarkable2.dts b/arch/arm/boot/dts/im= x7d-remarkable2.dts index 8b2f11e85e05..288fc8611117 100644 --- a/arch/arm/boot/dts/imx7d-remarkable2.dts +++ b/arch/arm/boot/dts/imx7d-remarkable2.dts @@ -8,6 +8,7 @@ /dts-v1/; =20 #include "imx7d.dtsi" +#include =20 / { model =3D "reMarkable 2.0"; @@ -69,6 +70,17 @@ reg_digitizer: regulator-digitizer { startup-delay-us =3D <100000>; /* 100 ms */ }; =20 + reg_touch: regulator-touch { + compatible =3D "regulator-fixed"; + regulator-name =3D "VDD_3V3_TOUCH"; + regulator-min-microvolt =3D <3300000>; + regulator-max-microvolt =3D <3300000>; + pinctrl-names =3D "default"; + pinctrl-0 =3D <&pinctrl_touch_reg>; + gpio =3D <&gpio1 11 GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + wifi_pwrseq: wifi_pwrseq { compatible =3D "mmc-pwrseq-simple"; pinctrl-names =3D "default"; @@ -106,6 +118,68 @@ wacom_digitizer: digitizer@9 { }; }; =20 +&i2c3 { + clock-frequency =3D <100000>; + pinctrl-names =3D "default"; + pinctrl-0 =3D <&pinctrl_i2c3>; + status =3D "okay"; + + touchscreen@24 { + compatible =3D "cypress,tt21000"; + reg =3D <0x24>; + pinctrl-names =3D "default"; + pinctrl-0 =3D <&pinctrl_touch>; + interrupt-parent =3D <&gpio1>; + interrupts =3D <14 IRQ_TYPE_EDGE_FALLING>; + reset-gpios =3D <&gpio1 13 GPIO_ACTIVE_LOW>; + vdd-supply =3D <®_touch>; + touchscreen-size-x =3D <880>; + touchscreen-size-y =3D <1280>; + #address-cells =3D <1>; + #size-cells =3D <0>; + + button@0 { + reg =3D <0>; + linux,keycodes =3D ; + }; + + button@1 { + reg =3D <1>; + linux,keycodes =3D ; + }; + + button@2 { + reg =3D <2>; + linux,keycodes =3D ; + }; + + button@3 { + reg =3D <3>; + linux,keycodes =3D ; + }; + + button@4 { + reg =3D <4>; + linux,keycodes =3D ; + }; + + button@5 { + reg =3D <5>; + linux,keycodes =3D ; + }; + + button@6 { + reg =3D <6>; + linux,keycodes =3D ; + }; + + button@7 { + reg =3D <7>; + linux,keycodes =3D ; + }; + }; +}; + &i2c4 { clock-frequency =3D <100000>; pinctrl-names =3D "default", "sleep"; @@ -232,6 +306,15 @@ MX7D_PAD_ENET1_RGMII_TXC__GPIO7_IO11 0x00000014 >; }; =20 + pinctrl_touch: touchgrp { + fsl,pins =3D < + /* CYTTSP interrupt */ + MX7D_PAD_GPIO1_IO14__GPIO1_IO14 0x54 + /* CYTTSP reset */ + MX7D_PAD_GPIO1_IO13__GPIO1_IO13 0x04 + >; + }; + pinctrl_i2c1: i2c1grp { fsl,pins =3D < MX7D_PAD_I2C1_SDA__I2C1_SDA 0x4000007f @@ -239,6 +322,13 @@ MX7D_PAD_I2C1_SCL__I2C1_SCL 0x4000007f >; }; =20 + pinctrl_i2c3: i2c3grp { + fsl,pins =3D < + MX7D_PAD_I2C3_SDA__I2C3_SDA 0x4000007f + MX7D_PAD_I2C3_SCL__I2C3_SCL 0x4000007f + >; + }; + pinctrl_i2c4: i2c4grp { fsl,pins =3D < MX7D_PAD_I2C4_SDA__I2C4_SDA 0x4000007f @@ -246,6 +336,13 @@ MX7D_PAD_I2C4_SCL__I2C4_SCL 0x4000007f >; }; =20 + pinctrl_touch_reg: touchreggrp { + fsl,pins =3D < + /* TOUCH_PWR_EN */ + MX7D_PAD_GPIO1_IO11__GPIO1_IO11 0x14 + >; + }; + pinctrl_uart1: uart1grp { fsl,pins =3D < MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX 0x79 --=20 2.39.1 From nobody Tue Sep 9 16:54:26 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5904EC64ED6 for ; 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Sun, 26 Feb 2023 23:50:43 -0500 (EST) From: Alistair Francis To: devicetree@vger.kernel.org, s.hauer@pengutronix.de, krzysztof.kozlowski+dt@linaro.org, shawnguo@kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, robh+dt@kernel.org, linux-imx@nxp.com Cc: linux@armlinux.org.uk, arnd@arndb.de, alistair23@gmail.com, kernel@pengutronix.de, festevam@gmail.com, jernej.skrabec@gmail.com, Alistair Francis Subject: [PATCH v4 2/3] ARM: imx_v6_v7_defconfig: Enable rohm,bd71815 Date: Mon, 27 Feb 2023 14:50:22 +1000 Message-Id: <20230227045023.560319-3-alistair@alistair23.me> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230227045023.560319-1-alistair@alistair23.me> References: <20230227045023.560319-1-alistair@alistair23.me> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" The reMarkable 2 uses the rohm,bd71815 power controller, so enable it in the defconfig. Signed-off-by: Alistair Francis --- arch/arm/configs/imx_v6_v7_defconfig | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm/configs/imx_v6_v7_defconfig b/arch/arm/configs/imx_v6= _v7_defconfig index 6dc6fed12af8..02ccc86a8d4a 100644 --- a/arch/arm/configs/imx_v6_v7_defconfig +++ b/arch/arm/configs/imx_v6_v7_defconfig @@ -213,6 +213,7 @@ CONFIG_GPIO_SIOX=3Dm CONFIG_GPIO_MAX732X=3Dy CONFIG_GPIO_PCA953X=3Dy CONFIG_GPIO_PCF857X=3Dy +CONFIG_GPIO_BD71815=3Dy CONFIG_GPIO_STMPE=3Dy CONFIG_GPIO_74X164=3Dy CONFIG_POWER_RESET=3Dy @@ -242,8 +243,10 @@ CONFIG_MFD_MC13XXX_I2C=3Dy CONFIG_MFD_SY7636A=3Dy CONFIG_MFD_RN5T618=3Dy CONFIG_MFD_STMPE=3Dy +CONFIG_MFD_ROHM_BD71828=3Dy CONFIG_REGULATOR_FIXED_VOLTAGE=3Dy CONFIG_REGULATOR_ANATOP=3Dy +CONFIG_REGULATOR_BD71815=3Dy CONFIG_REGULATOR_DA9052=3Dy CONFIG_REGULATOR_DA9062=3Dy CONFIG_REGULATOR_DA9063=3Dy @@ -380,6 +383,7 @@ CONFIG_RTC_DRV_ISL1208=3Dy CONFIG_RTC_DRV_PCF8523=3Dy CONFIG_RTC_DRV_PCF8563=3Dy CONFIG_RTC_DRV_M41T80=3Dy +CONFIG_RTC_DRV_BD70528=3Dy CONFIG_RTC_DRV_RC5T619=3Dy CONFIG_RTC_DRV_RV3029C2=3Dy CONFIG_RTC_DRV_DA9063=3Dy @@ -396,6 +400,7 @@ CONFIG_STAGING=3Dy CONFIG_STAGING_MEDIA=3Dy CONFIG_VIDEO_IMX_MEDIA=3Dy CONFIG_COMMON_CLK_PWM=3Dy +CONFIG_COMMON_CLK_BD718XX=3Dy CONFIG_CLK_IMX8MM=3Dy CONFIG_CLK_IMX8MN=3Dy CONFIG_CLK_IMX8MP=3Dy --=20 2.39.1 From nobody Tue Sep 9 16:54:26 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4F68CC64ED6 for ; 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Sun, 26 Feb 2023 23:50:50 -0500 (EST) From: Alistair Francis To: devicetree@vger.kernel.org, s.hauer@pengutronix.de, krzysztof.kozlowski+dt@linaro.org, shawnguo@kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, robh+dt@kernel.org, linux-imx@nxp.com Cc: linux@armlinux.org.uk, arnd@arndb.de, alistair23@gmail.com, kernel@pengutronix.de, festevam@gmail.com, jernej.skrabec@gmail.com, Alistair Francis , Matti Vaittinen Subject: [PATCH v4 3/3] ARM: dts: imx7d-remarkable2: Enable the rohm,bd71815 Date: Mon, 27 Feb 2023 14:50:23 +1000 Message-Id: <20230227045023.560319-4-alistair@alistair23.me> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230227045023.560319-1-alistair@alistair23.me> References: <20230227045023.560319-1-alistair@alistair23.me> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Add support for the rohm,bd71815 power controller controller for the reMarkable 2. Signed-off-by: Alistair Francis Reviewed-by: Matti Vaittinen --- arch/arm/boot/dts/imx7d-remarkable2.dts | 142 ++++++++++++++++++++++++ 1 file changed, 142 insertions(+) diff --git a/arch/arm/boot/dts/imx7d-remarkable2.dts b/arch/arm/boot/dts/im= x7d-remarkable2.dts index 288fc8611117..dc954e4f63e0 100644 --- a/arch/arm/boot/dts/imx7d-remarkable2.dts +++ b/arch/arm/boot/dts/imx7d-remarkable2.dts @@ -91,6 +91,10 @@ wifi_pwrseq: wifi_pwrseq { }; }; =20 +&cpu0 { + cpu-supply =3D <&buck1>; +}; + &clks { assigned-clocks =3D <&clks IMX7D_CLKO2_ROOT_SRC>, <&clks IMX7D_CLKO2_ROOT_DIV>; @@ -118,6 +122,131 @@ wacom_digitizer: digitizer@9 { }; }; =20 +&i2c2 { + clock-frequency =3D <100000>; + pinctrl-names =3D "default"; + pinctrl-0 =3D <&pinctrl_i2c2>; + status =3D "okay"; + + bd71815: pmic@4b { + compatible =3D "rohm,bd71815"; + reg =3D <0x4b>; + pinctrl-names =3D "default"; + pinctrl-0 =3D <&pinctrl_bd71815>; + interrupt-parent =3D <&gpio6>; /* PMIC_INT_B GPIO6_IO16 */ + interrupts =3D <16 IRQ_TYPE_LEVEL_LOW>; + gpio-controller; + clocks =3D <&clks IMX7D_CLKO2_ROOT_SRC>; + clock-output-names =3D "bd71815-32k-out"; + #clock-cells =3D <0>; + #gpio-cells =3D <2>; + + regulators { + buck1: buck1 { + regulator-name =3D "buck1"; + regulator-min-microvolt =3D <800000>; + regulator-max-microvolt =3D <2000000>; + regulator-boot-on; + regulator-always-on; + regulator-ramp-delay =3D <1250>; + }; + + buck2: buck2 { + regulator-name =3D "buck2"; + regulator-min-microvolt =3D <800000>; + regulator-max-microvolt =3D <2000000>; + regulator-boot-on; + regulator-always-on; + regulator-ramp-delay =3D <1250>; + }; + + buck3: buck3 { + regulator-name =3D "buck3"; + regulator-min-microvolt =3D <1200000>; + regulator-max-microvolt =3D <2700000>; + regulator-boot-on; + regulator-always-on; + }; + + buck4: buck4 { + regulator-name =3D "buck4"; + regulator-min-microvolt =3D <1100000>; + regulator-max-microvolt =3D <1850000>; + regulator-boot-on; + regulator-always-on; + }; + + buck5: buck5 { + regulator-name =3D "buck5"; + regulator-min-microvolt =3D <1800000>; + regulator-max-microvolt =3D <3300000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo1: ldo1 { + regulator-name =3D "ldo1"; + regulator-min-microvolt =3D <800000>; + regulator-max-microvolt =3D <3300000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo2: ldo2 { + regulator-name =3D "ldo2"; + regulator-min-microvolt =3D <800000>; + regulator-max-microvolt =3D <3300000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo3: ldo3 { + regulator-name =3D "ldo3"; + regulator-min-microvolt =3D <800000>; + regulator-max-microvolt =3D <3300000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo4: ldo4 { + regulator-name =3D "ldo4"; + regulator-min-microvolt =3D <800000>; + regulator-max-microvolt =3D <3300000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo5: ldo5 { + regulator-name =3D "ldo5"; + regulator-min-microvolt =3D <800000>; + regulator-max-microvolt =3D <3300000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo6: ldodvref { + regulator-name =3D "ldodvref"; + regulator-boot-on; + regulator-always-on; + }; + + ldo7: ldolpsr { + regulator-name =3D "ldolpsr"; + regulator-boot-on; + regulator-always-on; + }; + + boost: wled { + regulator-name =3D "wled"; + regulator-min-microamp =3D <10>; + regulator-max-microamp =3D <25000>; + regulator-boot-on; + regulator-always-on; + }; + }; + }; +}; + &i2c3 { clock-frequency =3D <100000>; pinctrl-names =3D "default"; @@ -292,6 +421,12 @@ MX7D_PAD_LPSR_GPIO1_IO01__GPIO1_IO1 0x00000034 /* WACO= M INT */ }; =20 &iomuxc { + pinctrl_bd71815: bd71815grp { + fsl,pins =3D < + MX7D_PAD_SAI1_RX_SYNC__GPIO6_IO16 0x59 + >; + }; + pinctrl_brcm_reg: brcmreggrp { fsl,pins =3D < /* WIFI_PWR_EN */ @@ -322,6 +457,13 @@ MX7D_PAD_I2C1_SCL__I2C1_SCL 0x4000007f >; }; =20 + pinctrl_i2c2: i2c2grp { + fsl,pins =3D < + MX7D_PAD_I2C2_SDA__I2C2_SDA 0x4000007f + MX7D_PAD_I2C2_SCL__I2C2_SCL 0x4000007f + >; + }; + pinctrl_i2c3: i2c3grp { fsl,pins =3D < MX7D_PAD_I2C3_SDA__I2C3_SDA 0x4000007f --=20 2.39.1