From patchwork Tue Feb 6 22:29:51 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wolfram Sang X-Patchwork-Id: 10204215 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 26B3E605BA for ; Tue, 6 Feb 2018 22:30:04 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id ED15C28DBA for ; Tue, 6 Feb 2018 22:30:03 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id DD60D28DCE; Tue, 6 Feb 2018 22:30:03 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9194628D92 for ; Tue, 6 Feb 2018 22:30:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753586AbeBFWaC (ORCPT ); Tue, 6 Feb 2018 17:30:02 -0500 Received: from sauhun.de ([88.99.104.3]:40146 "EHLO pokefinder.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753575AbeBFWaB (ORCPT ); Tue, 6 Feb 2018 17:30:01 -0500 Received: from localhost (p54B33329.dip0.t-ipconnect.de [84.179.51.41]) by pokefinder.org (Postfix) with ESMTPSA id 1F85E2C66E7; Tue, 6 Feb 2018 23:30:00 +0100 (CET) From: Wolfram Sang To: linux-renesas-soc@vger.kernel.org Cc: Simon Horman , Wolfram Sang , Simon Horman Subject: [PATCH v3 2/9] ARM: dts: lager: use demuxer for IIC3/I2C3 Date: Tue, 6 Feb 2018 23:29:51 +0100 Message-Id: <20180206222958.18941-3-wsa+renesas@sang-engineering.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20180206222958.18941-1-wsa+renesas@sang-engineering.com> References: <20180206222958.18941-1-wsa+renesas@sang-engineering.com> Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Create a separate bus for da9063 PMIC and da9210 regulator related I2C slaves. Based on similar work for HDMI by Wolfram Sang. Signed-off-by: Simon Horman [wsa: rebased, corrected chip name in commit msg, updated aliases] Signed-off-by: Wolfram Sang --- arch/arm/boot/dts/r8a7790-lager.dts | 84 +++++++++++++++++++++++-------------- 1 file changed, 53 insertions(+), 31 deletions(-) diff --git a/arch/arm/boot/dts/r8a7790-lager.dts b/arch/arm/boot/dts/r8a7790-lager.dts index 9f511d4fac109f..20c1b4f224b8b0 100644 --- a/arch/arm/boot/dts/r8a7790-lager.dts +++ b/arch/arm/boot/dts/r8a7790-lager.dts @@ -55,6 +55,7 @@ i2c10 = &i2cexio0; i2c11 = &i2cexio1; i2c12 = &i2chdmi; + i2c13 = &i2cpwr; }; chosen { @@ -418,6 +419,46 @@ }; }; }; + + /* + * IIC3 and I2C3 may be switched using pinmux. + * IIC3/I2C3 does not appear to support fallback to GPIO. + */ + i2cpwr: i2c-13 { + compatible = "i2c-demux-pinctrl"; + i2c-parent = <&iic3>, <&i2c3>; + i2c-bus-name = "i2c-pwr"; + #address-cells = <1>; + #size-cells = <0>; + + pmic@58 { + compatible = "dlg,da9063"; + reg = <0x58>; + interrupt-parent = <&irqc0>; + interrupts = <2 IRQ_TYPE_LEVEL_LOW>; + interrupt-controller; + + rtc { + compatible = "dlg,da9063-rtc"; + }; + + wdt { + compatible = "dlg,da9063-watchdog"; + }; + }; + + vdd_dvfs: regulator@68 { + compatible = "dlg,da9210"; + reg = <0x68>; + interrupt-parent = <&irqc0>; + interrupts = <2 IRQ_TYPE_LEVEL_LOW>; + + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <1000000>; + regulator-boot-on; + regulator-always-on; + }; + }; }; &du { @@ -557,6 +598,11 @@ function = "iic2"; }; + i2c3_pins: i2c3 { + groups = "i2c3"; + function = "i2c3"; + }; + iic3_pins: iic3 { groups = "iic3"; function = "iic3"; @@ -772,38 +818,14 @@ clock-frequency = <100000>; }; -&iic3 { - pinctrl-names = "default"; - pinctrl-0 = <&iic3_pins>; - status = "okay"; - - pmic@58 { - compatible = "dlg,da9063"; - reg = <0x58>; - interrupt-parent = <&irqc0>; - interrupts = <2 IRQ_TYPE_LEVEL_LOW>; - interrupt-controller; - - rtc { - compatible = "dlg,da9063-rtc"; - }; - - wdt { - compatible = "dlg,da9063-watchdog"; - }; - }; - - vdd_dvfs: regulator@68 { - compatible = "dlg,da9210"; - reg = <0x68>; - interrupt-parent = <&irqc0>; - interrupts = <2 IRQ_TYPE_LEVEL_LOW>; +&i2c3 { + pinctrl-0 = <&i2c3_pins>; + pinctrl-names = "i2c-pwr"; +}; - regulator-min-microvolt = <1000000>; - regulator-max-microvolt = <1000000>; - regulator-boot-on; - regulator-always-on; - }; +&iic3 { + pinctrl-0 = <&iic3_pins>; + pinctrl-names = "i2c-pwr"; }; &pci0 {