From nobody Wed Sep 17 21:01:50 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 D8673C3DA6E for ; Thu, 15 Dec 2022 11:57:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229917AbiLOL5P (ORCPT ); Thu, 15 Dec 2022 06:57:15 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57312 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229475AbiLOL5K (ORCPT ); Thu, 15 Dec 2022 06:57:10 -0500 Received: from wout2-smtp.messagingengine.com (wout2-smtp.messagingengine.com [64.147.123.25]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BCA1927FD8; Thu, 15 Dec 2022 03:57:09 -0800 (PST) Received: from compute2.internal (compute2.nyi.internal [10.202.2.46]) by mailout.west.internal (Postfix) with ESMTP id 423B0320092B; Thu, 15 Dec 2022 06:57:08 -0500 (EST) Received: from mailfrontend2 ([10.202.2.163]) by compute2.internal (MEProxy); Thu, 15 Dec 2022 06:57:09 -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=fm2; t=1671105427; x= 1671191827; bh=p8sZMSIiDzeWkDbA4eVexgLSYWpIws7O7dxtkYfuzb0=; b=X 4N63HrfQR0KUBTQEM4UZvR1bTTQsObTTIUNSTAT+brvdgdGnzlQh8Loqwy9A+Pdo G3UqSRHYC6mwNH1djkxqbfXJsi+bL41aY33sQ70qH0OiYVtyfN8gw3662CWb7yJl FEYoOS0wYiCEb+OKOTRyc9tWhh3EsYUAiJy+rS2vQ9PGETIhng+wkHZWFEHCetJw eg1WGZn7mbkVLb4guaTp42xCUgsg5oX2tu65pmNuSqSbcsKbY4bPVHutnTbsnB29 VKDw18NvNWI+dLCLu5KID5Lol1i44YUON9KYGxgB/EvhWMzonUxces69OM++Wvo0 v6BPb11ExAU1GnTMwGcBg== 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=fm2; t=1671105427; x=1671191827; bh=p8sZMSIiDzeWk DbA4eVexgLSYWpIws7O7dxtkYfuzb0=; b=BcZZbyl6mmdpFiLYTNFCmKltNMu6b C4i3XWf7cZVJSzdGmcd/cAGa50/TnwCCJJbwCdBLX3FuHmLeIcxwzZRpxNhnl+tn XlX5KfBN3jj6xPdBgjlzJztkdxG9fG9SZ4fQXgzkLitHP2H3AQ484MKI1TUDOp/v lyWcb9MMx4fIZKMDZ+Dn5mmavSVJ0js9Hh8z7pJTgLr5RbglWSZSTWCI5NUdMvLM Xk2zJxa6A1FzKg0hGf3OGvMgLN0RCdsTMXym13iOi+q7jRdYCZzlRVNMoCFbnhno fOlyMeG7dexXp45TDqNAeqlHd+3rmrcjdvEDUqb3aLisED9yZCrSc28JA== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvhedrfeehgdefvdcutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfghnecu uegrihhlohhuthemuceftddtnecunecujfgurhephffvvefufffkofgjfhgggfestdekre dtredttdenucfhrhhomheptehlihhsthgrihhrucfhrhgrnhgtihhsuceorghlihhsthgr ihhrsegrlhhishhtrghirhdvfedrmhgvqeenucggtffrrghtthgvrhhnpeeitdefkeetle dvleevveeuueejffeugfeuvdetkeevjeejueetudeftefhgfehheenucevlhhushhtvghr ufhiiigvpedtnecurfgrrhgrmhepmhgrihhlfhhrohhmpegrlhhishhtrghirhesrghlih hsthgrihhrvdefrdhmvg X-ME-Proxy: Feedback-ID: ifd214418:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Thu, 15 Dec 2022 06:57:00 -0500 (EST) From: Alistair Francis To: krzysztof.kozlowski+dt@linaro.org, shawnguo@kernel.org, robh+dt@kernel.org, linux-kernel@vger.kernel.org, linux-imx@nxp.com, s.hauer@pengutronix.de, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org Cc: jernej.skrabec@gmail.com, alistair23@gmail.com, festevam@gmail.com, kernel@pengutronix.de, linux@armlinux.org.uk, arnd@arndb.de, Alistair Francis Subject: [PATCH 1/3] ARM: dts: imx7d-remarkable2: Enable the cyttsp5 Date: Thu, 15 Dec 2022 21:56:42 +1000 Message-Id: <20221215115644.208486-2-alistair@alistair23.me> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221215115644.208486-1-alistair@alistair23.me> References: <20221215115644.208486-1-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 | 98 +++++++++++++++++++++++++ 1 file changed, 98 insertions(+) diff --git a/arch/arm/boot/dts/imx7d-remarkable2.dts b/arch/arm/boot/dts/im= x7d-remarkable2.dts index 8b2f11e85e05..a138b292ec6a 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 +70,18 @@ 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", "sleep"; + pinctrl-0 =3D <&pinctrl_touch_reg>; + pinctrl-1 =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 +119,68 @@ 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 +307,15 @@ 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 +323,13 @@ 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 +337,13 @@ 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 2.38.1 From nobody Wed Sep 17 21:01:50 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 4E1A1C4332F for ; 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Thu, 15 Dec 2022 06:57:09 -0500 (EST) From: Alistair Francis To: krzysztof.kozlowski+dt@linaro.org, shawnguo@kernel.org, robh+dt@kernel.org, linux-kernel@vger.kernel.org, linux-imx@nxp.com, s.hauer@pengutronix.de, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org Cc: jernej.skrabec@gmail.com, alistair23@gmail.com, festevam@gmail.com, kernel@pengutronix.de, linux@armlinux.org.uk, arnd@arndb.de, Alistair Francis Subject: [PATCH 2/3] ARM: imx_v6_v7_defconfig: Enable rohm,bd71815 Date: Thu, 15 Dec 2022 21:56:43 +1000 Message-Id: <20221215115644.208486-3-alistair@alistair23.me> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221215115644.208486-1-alistair@alistair23.me> References: <20221215115644.208486-1-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 025eb333dcaa..2b29599193a2 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 2.38.1 From nobody Wed Sep 17 21:01:50 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 E3BE2C3DA6E for ; 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Thu, 15 Dec 2022 06:57:20 -0500 (EST) From: Alistair Francis To: krzysztof.kozlowski+dt@linaro.org, shawnguo@kernel.org, robh+dt@kernel.org, linux-kernel@vger.kernel.org, linux-imx@nxp.com, s.hauer@pengutronix.de, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org Cc: jernej.skrabec@gmail.com, alistair23@gmail.com, festevam@gmail.com, kernel@pengutronix.de, linux@armlinux.org.uk, arnd@arndb.de, Alistair Francis Subject: [PATCH 3/3] ARM: dts: imx7d-remarkable2: Enable the rohm,bd71815 Date: Thu, 15 Dec 2022 21:56:44 +1000 Message-Id: <20221215115644.208486-4-alistair@alistair23.me> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221215115644.208486-1-alistair@alistair23.me> References: <20221215115644.208486-1-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 --- arch/arm/boot/dts/imx7d-remarkable2.dts | 158 ++++++++++++++++++++++++ 1 file changed, 158 insertions(+) diff --git a/arch/arm/boot/dts/imx7d-remarkable2.dts b/arch/arm/boot/dts/im= x7d-remarkable2.dts index a138b292ec6a..e61ef3bd2eb9 100644 --- a/arch/arm/boot/dts/imx7d-remarkable2.dts +++ b/arch/arm/boot/dts/imx7d-remarkable2.dts @@ -92,6 +92,10 @@ wifi_pwrseq: wifi_pwrseq { }; }; =20 +&cpu0 { + cpu-supply =3D <&buck1_reg>; +}; + &clks { assigned-clocks =3D <&clks IMX7D_CLKO2_ROOT_SRC>, <&clks IMX7D_CLKO2_ROOT_DIV>; @@ -119,6 +123,147 @@ wacom_digitizer: digitizer@9 { }; }; =20 +&i2c2 { + clock-frequency =3D <100000>; + pinctrl-names =3D "default", "sleep"; + pinctrl-0 =3D <&pinctrl_i2c2>; + pinctrl-1 =3D <&pinctrl_i2c2>; + status =3D "okay"; + + bd71815: pmic@4b { + #clock-cells =3D <0>; + + 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>; + clocks =3D <&clks IMX7D_CLKO2_ROOT_SRC>; + clock-output-names =3D "bd71815-32k-out"; + + regulators { + #address-cells =3D <1>; + #size-cells =3D <0>; + + buck1_reg: regulator@0 { + reg =3D <0>; + regulator-compatible =3D "buck1"; + regulator-min-microvolt =3D <800000>; + regulator-max-microvolt =3D <2000000>; + regulator-boot-on; + regulator-always-on; + regulator-ramp-delay =3D <1250>; + }; + + buck2_reg: regulator@1 { + reg =3D <1>; + regulator-compatible =3D "buck2"; + regulator-min-microvolt =3D <800000>; + regulator-max-microvolt =3D <2000000>; + regulator-boot-on; + regulator-always-on; + regulator-ramp-delay =3D <1250>; + }; + + buck3_reg: regulator@2 { + reg =3D <2>; + regulator-compatible =3D "buck3"; + regulator-min-microvolt =3D <1200000>; + regulator-max-microvolt =3D <2700000>; + regulator-boot-on; + regulator-always-on; + }; + + buck4_reg: regulator@3 { + reg =3D <3>; + regulator-compatible =3D "buck4"; + regulator-min-microvolt =3D <1100000>; + regulator-max-microvolt =3D <1850000>; + regulator-boot-on; + regulator-always-on; + }; + + buck5_reg: regulator@4 { + reg =3D <4>; + regulator-compatible =3D "buck5"; + regulator-min-microvolt =3D <1800000>; + regulator-max-microvolt =3D <3300000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo1_reg: regulator@5 { + reg =3D <5>; + regulator-compatible =3D "ldo1"; + regulator-min-microvolt =3D <800000>; + regulator-max-microvolt =3D <3300000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo2_reg: regulator@6 { + reg =3D <6>; + regulator-compatible =3D "ldo2"; + regulator-min-microvolt =3D <800000>; + regulator-max-microvolt =3D <3300000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo3_reg: regulator@7 { + reg =3D <7>; + regulator-compatible =3D "ldo3"; + regulator-min-microvolt =3D <800000>; + regulator-max-microvolt =3D <3300000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo4_reg: regulator@8 { + reg =3D <8>; + regulator-compatible =3D "ldo4"; + regulator-min-microvolt =3D <800000>; + regulator-max-microvolt =3D <3300000>; + regulator-boot-on; + regulator-always-on; + }; + + ldo5_reg: regulator@9 { + reg =3D <9>; + regulator-compatible =3D "ldo5"; + regulator-min-microvolt =3D <800000>; + regulator-max-microvolt =3D <3300000>; + regulator-boot-on; + regulator-always-on; + }; + + dvref_reg: regulator@10 { + reg =3D <10>; + regulator-compatible =3D "dvref"; + regulator-boot-on; + regulator-always-on; + }; + + lpsr_reg: regulator@11 { + reg =3D <11>; + regulator-compatible =3D "lpsr"; + regulator-boot-on; + regulator-always-on; + }; + + wled_reg: regulator@12 { + reg =3D <12>; + regulator-compatible =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"; @@ -293,6 +438,12 @@ 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 */ @@ -323,6 +474,13 @@ 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 2.38.1