From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161114AbaDJNLB (ORCPT ); Thu, 10 Apr 2014 09:11:01 -0400 Received: from top.free-electrons.com ([176.31.233.9]:38956 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1030861AbaDJNIJ (ORCPT ); Thu, 10 Apr 2014 09:08:09 -0400 From: =?UTF-8?q?Antoine=20T=C3=A9nart?= To: sebastian.hesselbarth@gmail.com, linus.walleij@linaro.org Cc: =?UTF-8?q?Antoine=20T=C3=A9nart?= , alexandre.belloni@free-electrons.com, zmxu@marvell.com, jszhang@marvell.com, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH RESEND 4/5] Documentation: add the Marvell Berlin pinctrl documentation Date: Thu, 10 Apr 2014 15:07:53 +0200 Message-Id: <1397135274-10764-5-git-send-email-antoine.tenart@free-electrons.com> X-Mailer: git-send-email 1.8.3.2 In-Reply-To: <1397135274-10764-1-git-send-email-antoine.tenart@free-electrons.com> References: <1397135274-10764-1-git-send-email-antoine.tenart@free-electrons.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Antoine Ténart --- .../bindings/pinctrl/marvell,berlin-pinctrl.txt | 43 ++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 Documentation/devicetree/bindings/pinctrl/marvell,berlin-pinctrl.txt diff --git a/Documentation/devicetree/bindings/pinctrl/marvell,berlin-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/marvell,berlin-pinctrl.txt new file mode 100644 index 000000000000..e21538a37734 --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/marvell,berlin-pinctrl.txt @@ -0,0 +1,43 @@ +* Pinctrl driver for the Marvell Berlin SoCs + +The pins controlled by the Marvell Berlin controller are organized in groups. +Configuration is done by group, so no actual pin information is needed. + +Required properties: +- compatible: "marvell-berlin2cd-pinctrl", + "marvell-berlin2-pinctrl", + "marvell-berlin2q-pinctrl" +- reg: registers physical addresses and lengths of the pin controller. +- reg-names: name of the register regions. + +Please refer to pinctrl-bindings.txt in this directory for details of the +common pinctrl bindings used by client devices. + +A pinctrl should contains subnodes representing the pinctrl pin group +configurations, one per group. Each subnode has the group name and the muxing +function used. + +Required subnode-properties: +- berlin,group: a string describing the group's name. +- berlin,function: the function used to mux the group. + 0: function 0 + 1: function 1 + ... + +Example: + +pinctrl: pinctrl@0 { + compatible = "marvell,berlin2q-pinctrl"; + reg = <0xea0000 0x08>, <0xfc0000 0x44>; + reg-names = "global_base", "sm_base"; + + uart0_pmux: uart0-pmux { + berlin,group = "GSM12"; + berlin,function = <0>; + }; +} + +&uart0 { + pinctrl-0 = <&uart0_pmux>; + pinctrl-names = "default"; +}; -- 1.8.3.2