From patchwork Wed Apr 9 07:28:00 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Linus Walleij X-Patchwork-Id: 3952951 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id E04529F38C for ; Wed, 9 Apr 2014 07:29:54 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 03CBB2044C for ; Wed, 9 Apr 2014 07:29:54 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E549720204 for ; Wed, 9 Apr 2014 07:29:52 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1WXmwD-0001Ei-Dg; Wed, 09 Apr 2014 07:28:50 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1WXmvx-0008PM-1K; Wed, 09 Apr 2014 07:28:33 +0000 Received: from mail-wg0-f43.google.com ([74.125.82.43]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1WXmvu-0008Nc-Aw for linux-arm-kernel@lists.infradead.org; Wed, 09 Apr 2014 07:28:31 +0000 Received: by mail-wg0-f43.google.com with SMTP id x13so2031274wgg.2 for ; Wed, 09 Apr 2014 00:28:06 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=4/0/HlJN6hQOM2JmmqhPiTkNilTMVF2VHez/OiatYJg=; b=L/40vgFyxSvlKW1kMNojptMzDlZbQBx42NGV68qrrNg36lb/NfjoHsbkChpXnIBUtk paBZ8LORuVqWLTsOZ3sC+J4Xatjn0Mw2T9WBVVNbMCmI4xVmODE7XnzFkFdasIjHSyo2 t8gQ7eIu9bIXBwo1VOnUq7mo0yvJFjRU7EoCOvWc5iIs8KU4i5yUYsyOW1psLQUe5oKY IjP3w8Muf7PyyTJNR6humofw3+3AQyRy/z6byIiXvvHFnilzBFM1cFm2DPKSrGOdUa9/ ijllDsCNm1Edws7CEqm5X6X/y+rNL1tW7I8tqK0T5t0fkNrDvb+vc1c+EHwgfBs2e6cQ vhkA== X-Gm-Message-State: ALoCoQl7t2o6kViDWBfUNjasSrQfP8RkWBR4an4NuT8UDhOrxQzSosEJdrLW6VjxwkRFIx7w7VgR X-Received: by 10.194.109.6 with SMTP id ho6mr8113653wjb.21.1397028486459; Wed, 09 Apr 2014 00:28:06 -0700 (PDT) Received: from localhost.localdomain ([85.235.11.236]) by mx.google.com with ESMTPSA id eq8sm8144979wib.16.2014.04.09.00.28.04 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 09 Apr 2014 00:28:05 -0700 (PDT) From: Linus Walleij To: devicetree@vger.kernel.org, Dmitry Torokhov , linux-input@vger.kernel.org, Samuel Ortiz , Lee Jones Subject: [RESEND: PATCH 1/2] mfd: tc3589x: Add device tree bindings Date: Wed, 9 Apr 2014 09:28:00 +0200 Message-Id: <1397028480-15413-1-git-send-email-linus.walleij@linaro.org> X-Mailer: git-send-email 1.9.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140409_032830_601759_07DA205F X-CRM114-Status: GOOD ( 15.44 ) X-Spam-Score: -2.6 (--) Cc: Mark Rutland , Linus Walleij , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.5 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This defines the device tree bindings for the Toshiba TC3589x series of multi-purpose expanders. Only the stuff I can test is defined: GPIO and keypad. Others may implement more subdevices further down the road. This is to complement commit a435ae1d51e2f18414f2a87219fdbe068231e692 "mfd: Enable the tc3589x for Device Tree" which left off the definition of the device tree bindings. Signed-off-by: Linus Walleij --- ChangeLog v2->v3: - Fix the keys/rows bindings to be u32 rather than /bits/ 8, inconsistency noted by Mark Rutland. ChangeLog v1->v2: - Include a verbose example in the DT bindings. - Explain why this is a stand-alone bindings patch. --- Documentation/devicetree/bindings/mfd/tc3589x.txt | 107 ++++++++++++++++++++++ 1 file changed, 107 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/tc3589x.txt diff --git a/Documentation/devicetree/bindings/mfd/tc3589x.txt b/Documentation/devicetree/bindings/mfd/tc3589x.txt new file mode 100644 index 000000000000..c6ac5bd2ce51 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/tc3589x.txt @@ -0,0 +1,107 @@ +* Toshiba TC3589x multi-purpose expander + +The Toshiba TC3589x series are I2C-based MFD devices which may expose the +following built-in devices: gpio, keypad, rotator (vibrator), PWM (for +e.g. LEDs or vibrators) The included models are: + +- TC35890 +- TC35892 +- TC35893 +- TC35894 +- TC35895 +- TC35896 + +Required properties: + - compatible : must be "toshiba,tc35890", "toshiba,tc35892", "toshiba,tc35893", + "toshiba,tc35894", "toshiba,tc35895" or "toshiba,tc35896" + - reg : I2C address of the device + - interrupt-parent : specifies which IRQ controller we're connected to + - interrupts : the interrupt on the parent the controller is connected to + - interrupt-controller : marks the device node as an interrupt controller + - #interrupt-cells : should be <1>, the first cell is the IRQ offset on this + TC3589x interrupt controller. + +Optional nodes: + +- GPIO + This GPIO module inside the TC3589x has 24 (TC35890, TC35892) or 20 + (other models) GPIO lines. + - compatible : must be "toshiba,tc3589x-gpio" + - interrupts : interrupt on the parent, which must be the tc3589x MFD device + - interrupt-controller : marks the device node as an interrupt controller + - #interrupt-cells : should be <2>, the first cell is the IRQ offset on this + TC3589x GPIO interrupt controller, the second cell is the interrupt flags + in accordance with . The following + flags are valid: + - IRQ_TYPE_LEVEL_LOW + - IRQ_TYPE_LEVEL_HIGH + - IRQ_TYPE_EDGE_RISING + - IRQ_TYPE_EDGE_FALLING + - IRQ_TYPE_EDGE_BOTH + - gpio-controller : marks the device node as a GPIO controller + - #gpio-cells : should be <2>, the first cell is the GPIO offset on this + GPIO controller, the second cell is the flags. + +- Keypad + This keypad is the same on all variants, supporting up to 96 different + keys. The linux-specific properties are modeled on those already existing + in other input drivers. + - compatible : must be "toshiba,tc3589x-keypad" + - debounce-delay-ms : debounce interval in milliseconds + - keypad,num-rows : number of rows in the matrix, see + bindings/input/matrix-keymap.txt + - keypad,num-columns : number of columns in the matrix, see + bindings/input/matrix-keymap.txt + - linux,keymap: the definition can be found in + bindings/input/matrix-keymap.txt + - linux,no-autorepeat: do no enable autorepeat feature. + - linux,wakeup: use any event on keypad as wakeup event. + +Example: + +tc35893@44 { + compatible = "toshiba,tc35893"; + reg = <0x44>; + interrupt-parent = <&gpio6>; + interrupts = <26 IRQ_TYPE_EDGE_RISING>; + + interrupt-controller; + #interrupt-cells = <1>; + + tc3589x_gpio { + compatible = "toshiba,tc3589x-gpio"; + interrupts = <0>; + + interrupt-controller; + #interrupt-cells = <2>; + gpio-controller; + #gpio-cells = <2>; + }; + tc3589x_keypad { + compatible = "toshiba,tc3589x-keypad"; + interrupts = <6>; + debounce-delay-ms = <4>; + keypad,num-columns = <8>; + keypad,num-rows = <8>; + linux,no-autorepeat; + linux,wakeup; + linux,keymap = <0x0301006b + 0x04010066 + 0x06040072 + 0x040200d7 + 0x0303006a + 0x0205000e + 0x0607008b + 0x0500001c + 0x0403000b + 0x03040034 + 0x05020067 + 0x0305006c + 0x040500e7 + 0x0005009e + 0x06020073 + 0x01030039 + 0x07060069 + 0x050500d9>; + }; +};