From nobody Tue Feb 10 14:32:32 2026 Received: from mail.andi.de1.cc (mail.andi.de1.cc [178.238.236.174]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 71DAC29AB15; Tue, 13 Jan 2026 15:33:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=178.238.236.174 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768318411; cv=none; b=J3pig6byvzL3DZ0/gnXPPnm9T04z/ZOF4PwpatMYql4Y5GjZnNwZ6yxcamEx6dj7eQmOL/f0Uib2r1KtQ8zAwcav9Pi0D2CnWFmATOWp/cl5snrcy0puXWbJwgKtJedFGGy/EMn1JY0C+MadjhThk59+e++5ED1IQZ7sbxqnpSs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768318411; c=relaxed/simple; bh=PNoY+oPVcq1qySKpu5bkjrebwhB2LtCybrJ+6fvflog=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=VtRJMg67XPDPLBZAqxzOAVnvmKe9MtW+onByF1ueTgp/BsCnW7tKoOQjPzV8kGRuDx40QM/58gcMNGmbvZJIf7XMVRk0wf0PhxUk00L5pDSALWooXXEbHSlqzcDJwjHUKJA2kUFQwk91ja1KvGlSBWvBNcwLXbc65mY/Wj51Vug= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=kemnade.info; spf=pass smtp.mailfrom=kemnade.info; dkim=pass (2048-bit key) header.d=kemnade.info header.i=@kemnade.info header.b=k3HqSlBr; arc=none smtp.client-ip=178.238.236.174 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=kemnade.info Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=kemnade.info Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kemnade.info header.i=@kemnade.info header.b="k3HqSlBr" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=kemnade.info; s=20220719; h=Cc:In-Reply-To:References:From:Sender:Reply-To: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID; bh=i9tPInbRYZ5DqbTROuvEuMqdg4B8OEQPATOSgbmxIds=; b=k3HqSlBr938lscRgQVFS8xsNdi xmMgvVMTEgZwVcJcOTQhGeSVC8TwGkzY2N0FEq7LbSUmFd+RVBqXiTz0iWeq+KWew7mcWm059YHrM h31T6HOdhyX67zko8iWztVbG9XgHgva5Xt3OTFgKREmgBED2QK6Jb/5Y6dXhANhAMSlb6g1stcKL/ qvGbtzqryDEEtSBozJ/ELG/TvqO0sPqEobMcOB4kZDg9kzOIFuLf61PzhcT3jEVG1veujpBnl6uhw wTLZ5fGnaxlFErRFmHTHe34m5YIvSC34sflfqDroVjSPXhq/tlAE3LqnsZCvHIaoFc0O3wo+4Bbhl 8C3kxFtg==; From: Andreas Kemnade Date: Tue, 13 Jan 2026 16:31:35 +0100 Subject: [PATCH 2/3] ARM: dts: imx50-kobo-aura: add epd pmic description Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260113-tps65185-dt-v1-2-66d376ba5f65@kemnade.info> References: <20260113-tps65185-dt-v1-0-66d376ba5f65@kemnade.info> In-Reply-To: <20260113-tps65185-dt-v1-0-66d376ba5f65@kemnade.info> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam Cc: devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Andreas Kemnade , Josua Mayer X-Mailer: b4 0.15-dev-a6db3 X-Developer-Signature: v=1; a=openpgp-sha256; l=2670; i=andreas@kemnade.info; h=from:subject:message-id; bh=jBmRxWjmO330uO2yWkvQ8CKi7YrP9xdjB0Sm7QHVf+4=; b=owGbwMvMwCUm/rzkS6lq2x3G02pJDJlpqbNKSvJUc9afqjI8YGTVybKqdP+kqha5ORLXHjwIe 3pYYfrOjlIWBjEuBlkxRZZf1gpun1Se5QZPjbCHmcPKBDKEgYtTACbyVIyR4e0Fz3tKk0v49otb LZy2QTju5qGCc1PXxro55xk+jQ5LdGRk2Bd79/pHsy37O77WJiapswrvVNfSunm8bVVl6vQ0GR8 ZZgA= X-Developer-Key: i=andreas@kemnade.info; a=openpgp; fpr=EEC0DB858E66C0DA70620AC07DBD6AC74DE29324 From: Josua Mayer Kobo Aura (N514) includes a TPS65185 PMIC for the epaper display. Add description for this pmic and its vin power-supply. Signed-off-by: Josua Mayer Signed-off-by: Andreas Kemnade --- arch/arm/boot/dts/nxp/imx/imx50-kobo-aura.dts | 60 +++++++++++++++++++++++= +++- 1 file changed, 59 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/nxp/imx/imx50-kobo-aura.dts b/arch/arm/boot/= dts/nxp/imx/imx50-kobo-aura.dts index b1a6a9c58ac3..4725ee241cb1 100644 --- a/arch/arm/boot/dts/nxp/imx/imx50-kobo-aura.dts +++ b/arch/arm/boot/dts/nxp/imx/imx50-kobo-aura.dts @@ -58,6 +58,16 @@ event-frontlight { }; }; =20 + epd_pmic_supply: regulator-epd-pmic-in { + compatible =3D "regulator-fixed"; + regulator-name =3D "epd_pmic_supply"; + gpio =3D <&gpio1 27 GPIO_ACTIVE_HIGH>; + enable-active-high; + startup-delay-us =3D <20000>; + pinctrl-names =3D "default"; + pinctrl-0 =3D <&pinctrl_epd_pmic_supply>; + }; + sd2_pwrseq: pwrseq { compatible =3D "mmc-pwrseq-simple"; pinctrl-names =3D "default"; @@ -135,7 +145,34 @@ &i2c2 { pinctrl-0 =3D <&pinctrl_i2c2>; status =3D "okay"; =20 - /* TODO: TPS65185 PMIC for E Ink at 0x68 */ + pmic@68 { + compatible =3D "ti,tps65185"; + reg =3D <0x68>; + pinctrl-names =3D "default"; + pinctrl-0 =3D <&pinctrl_epd_pmic>; + pwr-good-gpios =3D <&gpio3 28 GPIO_ACTIVE_HIGH>; + vcom-ctrl-gpios =3D <&gpio4 21 GPIO_ACTIVE_HIGH>; + enable-gpios =3D <&gpio3 30 GPIO_ACTIVE_HIGH>; + wakeup-gpios =3D <&gpio3 29 GPIO_ACTIVE_HIGH>; + vin-supply =3D <&epd_pmic_supply>; + interrupts-extended =3D <&gpio4 15 IRQ_TYPE_LEVEL_LOW>; + + regulators { + vcom { + regulator-name =3D "vcom"; + }; + + vposneg { + regulator-name =3D "vposneg"; + regulator-min-microvolt =3D <15000000>; + regulator-max-microvolt =3D <15000000>; + }; + + v3p3 { + regulator-name =3D "v3p3"; + }; + }; + }; }; =20 &i2c3 { @@ -161,6 +198,27 @@ MX50_PAD_CSPI_SS0__GPIO4_11 0x0 /* INT */ >; }; =20 + pinctrl_epd_pmic: epd-pmic-grp { + fsl,pins =3D < + /* PWRUP */ + MX50_PAD_EPDC_PWRCTRL1__GPIO3_30 0x0 + /* WAKEUP */ + MX50_PAD_EPDC_PWRCTRL0__GPIO3_29 0x0 + /* VCOMCTRL */ + MX50_PAD_EPDC_VCOM0__GPIO4_21 0x0 + /* PWRGOOD: enable internal 100k pull-up */ + MX50_PAD_EPDC_PWRSTAT__GPIO3_28 0xe0 + /* INT: enable internal 100k pull-up */ + MX50_PAD_ECSPI1_SS0__GPIO4_15 0xe0 + >; + }; + + pinctrl_epd_pmic_supply: epd-pmic-supply-grp { + fsl,pins =3D < + MX50_PAD_EIM_CRE__GPIO1_27 0x0 + >; + }; + pinctrl_gpiokeys: gpiokeysgrp { fsl,pins =3D < MX50_PAD_CSPI_MISO__GPIO4_10 0x0 --=20 2.47.3