From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751509AbbCTFcB (ORCPT ); Fri, 20 Mar 2015 01:32:01 -0400 Received: from mailout2.samsung.com ([203.254.224.25]:43464 "EHLO mailout2.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751196AbbCTFbP (ORCPT ); Fri, 20 Mar 2015 01:31:15 -0400 X-AuditID: cbfee691-f79b86d000004a5a-d8-550bb09f8622 From: Ingi Kim To: cooloney@gmail.com, rpurdie@rpsys.net, robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org Cc: sakari.ailus@iki.fi, j.anaszewski@samsung.com, varkabhadram@gmail.com, sw0312.kim@samsung.com, cw00.choi@samsung.com, jh80.chung@samsung.com, ideal.song@samsung.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-leds@vger.kernel.org, Ingi Kim Subject: [PATCH v3 2/3] leds: ktd2692: add device tree bindings for ktd2692 Date: Fri, 20 Mar 2015 14:31:05 +0900 Message-id: <1426829466-13559-3-git-send-email-ingi2.kim@samsung.com> X-Mailer: git-send-email 2.0.5 In-reply-to: <1426829466-13559-1-git-send-email-ingi2.kim@samsung.com> References: <1426829466-13559-1-git-send-email-ingi2.kim@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrGIsWRmVeSWpSXmKPExsWyRsSkWHf+Bu5Qgx/HBC2O7pzIZHH9y3NW i/lHzrFa9L9ZyGqx6+99Rotzr1YyWuy4+YXNovfqc0aLG7/aWC0u75rDZrH1zTpGi6XXLzJZ TJi+lsWide8Rdovdu56yWpzZv5LNYsbkl2wWJzvmMDoIeayZt4bR43JfL5PHzll32T1WLv/C 5nH460IWj02rOtk89sz/werRt2UVo8fnTXIBnFFcNimpOZllqUX6dglcGe/nzWYseM5X0dFY 3cC4lqeLkZNDQsBE4tKMyawQtpjEhXvr2UBsIYGljBI9O11gapZsnQ0U5wKKT2eU+Pl+BwtE 0WImiXd7wIrYBNQkbqxYyARSJCKwgFHi8vmbYB3MAiuYJCZ92M4OUiUs4C0xYW0vWDeLgKrE y6UrwVbzCrhKXNv7jA1inZzEmlcrwGo4BdwkbvVeYIXY5iqx/c4esKESAp0cEovu9DNCDBKQ +Db5EFADB1BCVmLTAWaIOZISB1fcYJnAKLyAkWEVo2hqQXJBcVJ6kalecWJucWleul5yfu4m RmD0nf73bOIOxvsHrA8xCnAwKvHwHijlDhViTSwrrsw9xGgKtGEis5Rocj4wxvNK4g2NzYws TE1MjY3MLc2UxHl1pH8GCwmkJ5akZqemFqQWxReV5qQWH2Jk4uCUamDc0akSd+zqO/FWxl+8 fw4uOi13TjzJ7unRqPgihX/u+dJHOoXnSJXxcAtWr1zUYZV+VbUiP+3PJE2G04YmU/aET5zS uOWTmenboB9rbu+Qn3D7+Yas0xrPPd/eCOW0k/b8Uq6yIslqc9e5FL1vk19nMnUW37lx5Evo JnM/5eiJjy+eM7X2/rNTiaU4I9FQi7moOBEAefX2jbkCAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrIIsWRmVeSWpSXmKPExsVy+t9jQd35G7hDDW5O4LA4unMik8X1L89Z LeYfOcdq0f9mIavFrr/3GS3OvVrJaLHj5hc2i96rzxktbvxqY7W4vGsOm8XWN+sYLZZev8hk MWH6WhaL1r1H2C1273rKanFm/0o2ixmTX7JZnOyYw+gg5LFm3hpGj8t9vUweO2fdZfdYufwL m8fhrwtZPDat6mTz2DP/B6tH35ZVjB6fN8kFcEY1MNpkpCampBYppOYl56dk5qXbKnkHxzvH m5oZGOoaWlqYKynkJeam2iq5+AToumXmAL2kpFCWmFMKFApILC5W0rfDNCE0xE3XAqYxQtc3 JAiux8gADSSsYcx4P282Y8FzvoqOxuoGxrU8XYycHBICJhJLts5mg7DFJC7cWw9kc3EICUxn lPj5fgcLSEJIYDGTxLs9LiA2m4CaxI0VC5lAikQEFjBKXD5/E6yDWWAFk8SkD9vZQaqEBbwl JqztBetmEVCVeLl0JSuIzSvgKnFt7zOodXISa16tAKvhFHCTuNV7gRVim6vE9jt72CYw8i5g ZFjFKJpakFxQnJSea6RXnJhbXJqXrpecn7uJERzdz6R3MK5qsDjEKMDBqMTDe6CUO1SINbGs uDL3EKMEB7OSCK/aAqAQb0piZVVqUX58UWlOavEhRlOgqyYyS4km5wMTT15JvKGxiZmRpZG5 oYWRsbmSOK+SfVuIkEB6YklqdmpqQWoRTB8TB6dUA+M8q+uO8ay71ptWHlxh8Ols8KqJv66a zV9bdM5VOkUhOPJGPusRU97LYX5+Nzz+MOh9Up1lIlGU+XdBc/mj7A8RYrLW+zdHWZ79/tBl x8FfP/x0yk/99tBprwmauNBhxserDcHfrxs92r5jZnuj4MPGKrWzERnXHklafEs+P/HDyqZQ MeuXcp5KLMUZiYZazEXFiQBJ1wrQBAMAAA== DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch adds the device tree bindings for ktd2692 flash LEDs. Add optional properties 'flash-timeout-us' to control flash timeout and 'vin-supply' for flash-led regulator Signed-off-by: Ingi Kim --- .../devicetree/bindings/leds/leds-ktd2692.txt | 34 ++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 Documentation/devicetree/bindings/leds/leds-ktd2692.txt diff --git a/Documentation/devicetree/bindings/leds/leds-ktd2692.txt b/Documentation/devicetree/bindings/leds/leds-ktd2692.txt new file mode 100644 index 0000000..75e16f8 --- /dev/null +++ b/Documentation/devicetree/bindings/leds/leds-ktd2692.txt @@ -0,0 +1,34 @@ +* Kinetic Technologies - KTD2692 Flash LED Driver + +KTD2692 is the ideal power solution for high-power flash LEDs. +It uses ExpressWire single-wire programming for maximum flexibility. + +The ExpressWire interface through CTRL pin can control LED on/off and +enable/disable the IC, Movie(max 1/3 of Flash current) / Flash mode current, +Flash timeout, LVP(low voltage protection). + +Also, When the AUX pin is pulled high while CTRL pin is high, +LED current will be ramped up to the flash-mode current level. + +Required properties: + - compatible: "kinetic,ktd2692" + - ctrl-gpio, aux-gpio : gpio pin in order control ktd2692 flash led. + There is an internal 300kOhm pull-down resistor at each pin + - supply : "vin" LED supply (2.7V to 5.5V) + See Documentation/devicetree/bindings/regulator/regulator.txt + +Optional property: + - flash-timeout-us : Maximum flash timeout in microseconds. + flash timeout ranges from 0 to 1835000us and + default is 1049000us. + +Example: + +flash-led { + compatible = "kinetic,ktd2692"; + ctrl-gpio = <&gpc0 1 0>; + aux-gpio = <&gpc0 2 0>; + flash-timeout-us = <1835000>; + vin-supply = <&vbat>; +}; + -- 2.0.5