From nobody Sun Feb 8 03:57:29 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 CEDEA3195FC; Mon, 20 Oct 2025 12:32:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760963534; cv=none; b=nGAjiFkUDgdI18/Y/I0u3mG5BFwTD2zcJiwa7gYgEfwwWjRKpPNbouAGKmoJ74wEJtx2B7JJNNVU9syJuQxwcceS+dNbDUd6dNszFiPK0Yy0BO+LkdVR/CU/KeTXWXFRh53YMjanl6Cu/a7RaCby8/tmx9M8BXG6DbQQuIFf3O4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760963534; c=relaxed/simple; bh=OHwVKDD+cG18NTehyMY3aiUMQu2mrDx7wRLrJtUBJWk=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=VJw3iWWEZ1GOvTnVWrTJZvSrs+1C8GcaDZdxzY1JsdXCKw15uIbAXMfiqAYuQzAXP+QGNBHZ1QV57tUMDC8pyvpJQKVBRR3Vhd6q7ChI9PSSsqvz0PTeDCa1gTf/Pgx4GY4hbldp9K/TF6Lcjpd5AJH/jcUZlAIJTU+zgwoijQU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=kIEoHMLQ; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="kIEoHMLQ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 95BB5C4CEF9; Mon, 20 Oct 2025 12:32:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1760963533; bh=OHwVKDD+cG18NTehyMY3aiUMQu2mrDx7wRLrJtUBJWk=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=kIEoHMLQqWsocZpZpJPbxmofECllkc/H4bDo+ZALjV3bXb76rB39Kj08NkPot/4ET 5MKtfehm3JUcqF6QbSUTO1st7GnUNEZcMnK/tGn5ztUNjpHy3DLZvRmWlfSyBNMmC7 xcUXeiV3Hs184Zr2P9E4qsniGc8UK8zVsaLjC57OjDeLiG/1Lbtq4GLFKFbq/dMNkM ypJh8C0X5bcyURK1aDumTx+MEiNNC59KwShTGT51vyA1aDpe3ZFsRMrqWA4dHc1PFw Vt+dEUM0z7D5YuYWrItrhvNUuK/oQ70gviIwQlrzMX8rrc3bqCESg0vRyX3wiiR4Zc 7d84CIDtKQLvA== From: akemnade@kernel.org Date: Mon, 20 Oct 2025 14:31:58 +0200 Subject: [PATCH 1/3] dt-bindings: mfd: twl: enable power button also for twl603x 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: <20251020-twl6030-button-v1-1-93e4644ac974@kernel.org> References: <20251020-twl6030-button-v1-0-93e4644ac974@kernel.org> In-Reply-To: <20251020-twl6030-button-v1-0-93e4644ac974@kernel.org> To: Lee Jones , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Andreas Kemnade , Dmitry Torokhov , Tony Lindgren , Kevin Hilman Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-input@vger.kernel.org, linux-omap@vger.kernel.org, Andreas Kemnade X-Mailer: b4 0.15-dev-50721 X-Developer-Signature: v=1; a=openpgp-sha256; l=2234; i=akemnade@kernel.org; h=from:subject:message-id; bh=ynX2wZwnZSVAVqkf20VfNLm9xWA8C9XOIqWKb6PfGl0=; b=owGbwMvMwCUm/rzkS6lq2x3G02pJDBnftI+dS66sy9nJsubAnQstrEft5S8vl7wZfDbKWbXlX FlihZJIRykLgxgXg6yYIssvawW3TyrPcoOnRtjDzGFlAhnCwMUpABP5psfIsPTN/0Nij6qPrJiV qnL8ve+t9QFP/TY/PdxVeMtQ6P6XUE9GhgVmvQnF1vzr7IRiZwQxaC3bbzZ7btHHJMe+91v/ejd NZQMA X-Developer-Key: i=akemnade@kernel.org; a=openpgp; fpr=EEC0DB858E66C0DA70620AC07DBD6AC74DE29324 From: Andreas Kemnade TWL603x has also a power button, so add the corresponding subnode. Signed-off-by: Andreas Kemnade --- Documentation/devicetree/bindings/mfd/ti,twl.yaml | 40 ++++++++++++++++++-= ---- 1 file changed, 32 insertions(+), 8 deletions(-) diff --git a/Documentation/devicetree/bindings/mfd/ti,twl.yaml b/Documentat= ion/devicetree/bindings/mfd/ti,twl.yaml index 776b04e182cb2..3527fee32cb07 100644 --- a/Documentation/devicetree/bindings/mfd/ti,twl.yaml +++ b/Documentation/devicetree/bindings/mfd/ti,twl.yaml @@ -55,6 +55,15 @@ allOf: =20 gpadc: false =20 + pwrbutton: + properties: + compatible: + const: ti,twl4030-pwrbutton + interrupts: + items: + - items: + const: 8 + usb-comparator: false =20 - if: @@ -95,7 +104,14 @@ allOf: compatible: const: ti,twl6030-gpadc =20 - pwrbutton: false + pwrbutton: + properties: + compatible: + const: ti,twl6030-pwrbutton + interrupts: + items: + - items: + const: 0 =20 madc: false =20 @@ -146,7 +162,14 @@ allOf: compatible: const: ti,twl6032-gpadc =20 - pwrbutton: false + pwrbutton: + properties: + compatible: + const: ti,twl6030-pwrbutton + interrupts: + items: + - items: + const: 0 =20 madc: false =20 @@ -225,12 +248,8 @@ properties: additionalProperties: false =20 properties: - compatible: - const: ti,twl4030-pwrbutton - interrupts: - items: - - items: - const: 8 + compatible: true + interrupts: true =20 watchdog: type: object @@ -459,6 +478,11 @@ examples: #io-channel-cells =3D <1>; }; =20 + pwrbutton { + compatible =3D "ti,twl6030-pwrbutton"; + interrupts =3D <0>; + }; + rtc { compatible =3D "ti,twl4030-rtc"; interrupts =3D <8>; --=20 2.47.3 From nobody Sun Feb 8 03:57:29 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 79980313267; Mon, 20 Oct 2025 12:32:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760963536; cv=none; b=rY5R2vrh/tQA3gEj8Jhg5PsNAzfUf3ySS+2aVciSO8rwnsr5OuYIbT0YEN43xLjtniA2F7TxeQHdBU8nHsdqfc2SRg5B7AjxhkOK3o1eVOdi7xWjsoAPUC8BYLBq65VqbpWZ5NBXm9enfnuSMf8uRZNUUtxJaIJMwekSDaltYq0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760963536; c=relaxed/simple; bh=4Az0RmeGplalZ9eht2c+C57JdAyT5N1+B/wTasFWVlc=; 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charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251020-twl6030-button-v1-2-93e4644ac974@kernel.org> References: <20251020-twl6030-button-v1-0-93e4644ac974@kernel.org> In-Reply-To: <20251020-twl6030-button-v1-0-93e4644ac974@kernel.org> To: Lee Jones , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Andreas Kemnade , Dmitry Torokhov , Tony Lindgren , Kevin Hilman Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-input@vger.kernel.org, linux-omap@vger.kernel.org, Andreas Kemnade X-Mailer: b4 0.15-dev-50721 X-Developer-Signature: v=1; a=openpgp-sha256; l=4978; i=akemnade@kernel.org; h=from:subject:message-id; bh=e303O4GGtezsM8shUqvPqzZkAq5B2GTXOvham2sBuVw=; b=owGbwMvMwCUm/rzkS6lq2x3G02pJDBnftI99DjXl01ec9bY38XhsdA/vjIgENduY3xJHW0zf+ lRe2Hmuo5SFQYyLQVZMkeWXtYLbJ5VnucFTI+xh5rAygQxh4OIUgIkw32X4pyffGnw+b6LD4ygD mRT/MGUzf9UpDnl7CoQihKbtiy69xvBP/7uyXkLWiylX3D9weK+p3HW8Okto6d+0PyZCOwTkn7K yAwA= X-Developer-Key: i=akemnade@kernel.org; a=openpgp; fpr=EEC0DB858E66C0DA70620AC07DBD6AC74DE29324 From: Andreas Kemnade Like the TWL4030, these PMICs also have a power button feature, so add a driver for it. Signed-off-by: Andreas Kemnade --- drivers/input/misc/Kconfig | 10 +++ drivers/input/misc/Makefile | 1 + drivers/input/misc/twl6030-pwrbutton.c | 111 +++++++++++++++++++++++++++++= ++++ 3 files changed, 122 insertions(+) diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig index cc2558630797e..5e2d1a5116502 100644 --- a/drivers/input/misc/Kconfig +++ b/drivers/input/misc/Kconfig @@ -569,6 +569,16 @@ config INPUT_TWL4030_VIBRA To compile this driver as a module, choose M here. The module will be called twl4030_vibra. =20 +config INPUT_TWL6030_PWRBUTTON + tristate "TWL6030 Power button Driver" + depends on TWL4030_CORE + help + Say Y here if you want to enable power key reporting via the + TWL6030 family of chips. + + To compile this driver as a module, choose M here. The module will + be called twl4030_pwrbutton. + config INPUT_TWL6040_VIBRA tristate "Support for TWL6040 Vibrator" depends on TWL6040_CORE diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile index f5ebfa9d99831..596c013261f44 100644 --- a/drivers/input/misc/Makefile +++ b/drivers/input/misc/Makefile @@ -88,6 +88,7 @@ obj-$(CONFIG_INPUT_TPS65219_PWRBUTTON) +=3D tps65219-pwrb= utton.o obj-$(CONFIG_INPUT_TPS6594_PWRBUTTON) +=3D tps6594-pwrbutton.o obj-$(CONFIG_INPUT_TWL4030_PWRBUTTON) +=3D twl4030-pwrbutton.o obj-$(CONFIG_INPUT_TWL4030_VIBRA) +=3D twl4030-vibra.o +obj-$(CONFIG_INPUT_TWL6030_PWRBUTTON) +=3D twl6030-pwrbutton.o obj-$(CONFIG_INPUT_TWL6040_VIBRA) +=3D twl6040-vibra.o obj-$(CONFIG_INPUT_UINPUT) +=3D uinput.o obj-$(CONFIG_INPUT_WISTRON_BTNS) +=3D wistron_btns.o diff --git a/drivers/input/misc/twl6030-pwrbutton.c b/drivers/input/misc/tw= l6030-pwrbutton.c new file mode 100644 index 0000000000000..fb3d8dcc9088a --- /dev/null +++ b/drivers/input/misc/twl6030-pwrbutton.c @@ -0,0 +1,111 @@ +// SPDX-License-Identifier: GPL-2.0-only +/** + * TWL603x power button input driver + * + * Copyright (C) 2024 Andreas Kemnade + * + * based on older 6030 driver found in a v3.0 vendor kernel + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define PWR_PWRON_IRQ BIT(0) + +#define STS_HW_CONDITIONS 0x2 + +static irqreturn_t powerbutton_irq(int irq, void *_pwr) +{ + struct input_dev *pwr =3D _pwr; + int err; + u8 value; + + err =3D twl_i2c_read_u8(TWL_MODULE_PM_MASTER, &value, STS_HW_CONDITIONS); + if (err) + return IRQ_HANDLED; + + pm_wakeup_event(pwr->dev.parent, 0); + input_report_key(pwr, KEY_POWER, value & PWR_PWRON_IRQ); + input_sync(pwr); + + return IRQ_HANDLED; +} + +static int twl6030_pwrbutton_probe(struct platform_device *pdev) +{ + struct input_dev *pwr; + int irq =3D platform_get_irq(pdev, 0); + int err; + + pwr =3D devm_input_allocate_device(&pdev->dev); + if (!pwr) { + dev_err(&pdev->dev, "Can't allocate power button\n"); + return -ENOMEM; + } + + input_set_capability(pwr, EV_KEY, KEY_POWER); + pwr->name =3D "twl6030_pwrbutton"; + pwr->phys =3D "twl6030_pwrbutton/input0"; + pwr->dev.parent =3D &pdev->dev; + + err =3D devm_request_threaded_irq(&pdev->dev, irq, NULL, powerbutton_irq, + IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING | + IRQF_ONESHOT, + "twl6030_pwrbutton", pwr); + if (err < 0) { + dev_err(&pdev->dev, "Can't get IRQ for pwrbutton: %d\n", err); + return err; + } + + err =3D input_register_device(pwr); + if (err) { + dev_err(&pdev->dev, "Can't register power button: %d\n", err); + return err; + } + + err =3D twl6030_interrupt_unmask(0x01, REG_INT_MSK_LINE_A); + if (err < 0) + return err; + + err =3D twl6030_interrupt_unmask(0x01, REG_INT_MSK_STS_A); + if (err < 0) + return err; + + device_init_wakeup(&pdev->dev, true); + + return 0; +} + +static void twl6030_pwrbutton_remove(struct platform_device *pdev) +{ + twl6030_interrupt_mask(0x01, REG_INT_MSK_LINE_A); + twl6030_interrupt_mask(0x01, REG_INT_MSK_STS_A); +} + +static const struct of_device_id twl6030_pwrbutton_dt_match_table[] =3D { + { .compatible =3D "ti,twl6030-pwrbutton" }, + {}, +}; +MODULE_DEVICE_TABLE(of, twl6030_pwrbutton_dt_match_table); + +static struct platform_driver twl6030_pwrbutton_driver =3D { + .probe =3D twl6030_pwrbutton_probe, + .remove =3D twl6030_pwrbutton_remove, + .driver =3D { + .name =3D "twl6030_pwrbutton", + .of_match_table =3D of_match_ptr(twl6030_pwrbutton_dt_match_table), + }, +}; +module_platform_driver(twl6030_pwrbutton_driver); + +MODULE_ALIAS("platform:twl6030_pwrbutton"); +MODULE_DESCRIPTION("Phoenix Power Button"); +MODULE_LICENSE("GPL"); --=20 2.47.3 From nobody Sun Feb 8 03:57:29 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 98AB931E115; Mon, 20 Oct 2025 12:32:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760963539; cv=none; b=pHq2FZMT0mtyBr+DM6ycP2Rzd81JKmhmyfWSp2mYs5ojYObZCr5ufuDqc0ukLNXDSbCKQ5z4UjVflLPiCilAJUhZnKvyR2XLCYy+mnDCxlpBa4ghEcafDSFr/qqWp85M3jHqYSBVqcxTSshgTwKIGm8JdQU9wwiW/D94G5NmBb0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760963539; c=relaxed/simple; bh=j8lu+nmW/wITIV09UcRP4+ZJGg/2q0lM1t5UBH3kUH0=; 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charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251020-twl6030-button-v1-3-93e4644ac974@kernel.org> References: <20251020-twl6030-button-v1-0-93e4644ac974@kernel.org> In-Reply-To: <20251020-twl6030-button-v1-0-93e4644ac974@kernel.org> To: Lee Jones , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Andreas Kemnade , Dmitry Torokhov , Tony Lindgren , Kevin Hilman Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-input@vger.kernel.org, linux-omap@vger.kernel.org, Andreas Kemnade X-Mailer: b4 0.15-dev-50721 X-Developer-Signature: v=1; a=openpgp-sha256; l=830; i=akemnade@kernel.org; h=from:subject:message-id; bh=k93Dkvm78+KyWfNASOn249sd0dH/r3H5Scsp5YCm0fo=; b=owGbwMvMwCUm/rzkS6lq2x3G02pJDBnftI9XizFsS2bXnbXXsF7HJGxyvph4/dfA307qF37GR 780nLS5o5SFQYyLQVZMkeWXtYLbJ5VnucFTI+xh5rAygQxh4OIUgIk0yTMyrBLjKWhsP+Bw54T8 ddOMyv0znx1IYOlh61zwMmC3VubESwx/JfO+ME962v1SqGLRr5x1jxyClgUeMGVzmzdZvTJou3Q VIwA= X-Developer-Key: i=akemnade@kernel.org; a=openpgp; fpr=EEC0DB858E66C0DA70620AC07DBD6AC74DE29324 From: Andreas Kemnade There is a power button connected to the PMIC, so describe it to be able to power off the device in a convenient manner. Signed-off-by: Andreas Kemnade --- arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts b/arch/arm/b= oot/dts/ti/omap/omap4-epson-embt2ws.dts index c90f43cc2fae9..673df1b693f28 100644 --- a/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts +++ b/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts @@ -229,6 +229,11 @@ rtc { interrupts =3D <11>; }; =20 + pwrbutton { + compatible =3D "ti,twl6030-pwrbutton"; + interrupts =3D <0>; + }; + ldo2: regulator-ldo2 { compatible =3D "ti,twl6032-ldo2"; regulator-min-microvolt =3D <1000000>; --=20 2.47.3