Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751702AbdFHHfE (ORCPT ); Thu, 8 Jun 2017 03:35:04 -0400 Received: from regular1.263xmail.com ([211.150.99.140]:37922 "EHLO regular1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751619AbdFHHfB (ORCPT ); Thu, 8 Jun 2017 03:35:01 -0400 X-263anti-spam: KSV:0; X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-KSVirus-check: 0 X-ABS-CHECKED: 4 X-RL-SENDER: chenjh@rock-chips.com X-FST-TO: gnurou@gmail.com X-SENDER-IP: 58.22.7.114 X-LOGIN-NAME: chenjh@rock-chips.com X-UNIQUE-TAG: X-ATTACHMENT-NUM: 0 X-DNS-TYPE: 0 From: Jianhong Chen To: gnurou@gmail.com, linus.walleij@linaro.org, dmitry.torokhov@gmail.com Cc: linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, huangtao@rock-chips.com, tony.xie@rock-chips.com, zhangqing@rock-chips.com, devicetree@vger.kernel.org, w.egorov@phytec.de, lgirdwood@gmail.com, broonie@kernel.org, robh+dt@kernel.org, mark.rutland@arm.com, linux-gpio@vger.kernel.org, linux-input@vger.kernel.org, chenjh Subject: [PATCH v6 12/12] gpio: dt-bindings: add bindings for Rockchip RK805 PMIC Date: Thu, 8 Jun 2017 15:33:13 +0800 Message-Id: <1496907193-29294-1-git-send-email-chenjh@rock-chips.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1496905959-29202-1-git-send-email-chenjh@rock-chips.com> References: <1496905959-29202-1-git-send-email-chenjh@rock-chips.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1569 Lines: 56 From: chenjh Add device tree bindings documentation for Rockchip's RK805 PMIC Signed-off-by: chenjh --- .../devicetree/bindings/gpio/gpio-rk805.txt | 37 ++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpio/gpio-rk805.txt diff --git a/Documentation/devicetree/bindings/gpio/gpio-rk805.txt b/Documentation/devicetree/bindings/gpio/gpio-rk805.txt new file mode 100644 index 0000000..98b75fa --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/gpio-rk805.txt @@ -0,0 +1,37 @@ +RK805 GPIO controller + +This driver follows the usual GPIO bindings found in +Documentation/devicetree/bindings/gpio/gpio.txt + +Required properties: +- #gpio-cells: Should be two. The first cell is the pin number and the + second is the GPIO flags. +- gpio-controller: Marks the device node as a GPIO controller. + +These properties must be added in the RK805 PMIC node, documented in +Documentation/devicetree/bindings/mfd/rk808.txt + +Example: + +rk805: pmic@18 { + compatible = "rockchip,rk808"; + clock-output-names = "xin32k", "rk808-clkout2"; + interrupt-parent = <&gpio0>; + interrupts = <4 IRQ_TYPE_LEVEL_LOW>; + reg = <0x1a>; + rockchip,system-power-controller; + wakeup-source; + #clock-cells = <1>; + ... + gpio-controller; + #gpio-cells = <2>; +}; + + +Example of a peripheral using the PMIC GPIOs: + +wireless-bluetooth { + compatible = "bluetooth-platdata"; + ... + gpios = <&rk805 0 GPIO_ACTIVE_HIGH>, <&rk805 1 GPIO_ACTIVE_HIGH>; +}; -- 1.9.1