From patchwork Thu Sep 26 11:06:01 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Guennadi Liakhovetski X-Patchwork-Id: 2947891 Return-Path: X-Original-To: patchwork-linux-sh@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 176AABFF05 for ; Thu, 26 Sep 2013 11:06:20 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id AE94C201DE for ; Thu, 26 Sep 2013 11:06:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2E8F0201B7 for ; Thu, 26 Sep 2013 11:06:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756302Ab3IZLGQ (ORCPT ); Thu, 26 Sep 2013 07:06:16 -0400 Received: from moutng.kundenserver.de ([212.227.17.9]:52573 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756019Ab3IZLGQ (ORCPT ); Thu, 26 Sep 2013 07:06:16 -0400 Received: from axis700.grange (dslb-094-221-123-102.pools.arcor-ip.net [94.221.123.102]) by mrelayeu.kundenserver.de (node=mrbap2) with ESMTP (Nemesis) id 0Lb8B7-1W9nox1Vg9-00l37P; Thu, 26 Sep 2013 13:06:02 +0200 Received: by axis700.grange (Postfix, from userid 1000) id E54EC40BB4; Thu, 26 Sep 2013 13:06:01 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by axis700.grange (Postfix) with ESMTP id D8D5340BB3; Thu, 26 Sep 2013 13:06:01 +0200 (CEST) Date: Thu, 26 Sep 2013 13:06:01 +0200 (CEST) From: Guennadi Liakhovetski X-X-Sender: lyakh@axis700.grange To: linux-sh@vger.kernel.org cc: Laurent Pinchart , Linus Walleij , Magnus Damm , devicetree@vger.kernel.org, Simon Horman Subject: [PATCH/RFC] ARM: shmobile: only enable used I2C interfaces in DT on all Renesas boards Message-ID: MIME-Version: 1.0 X-Provags-ID: V02:K0:fiO2NV+zW7tBxFqIcGZej3iAth1507qaJ5wvwlh4n3I CxDbN/eJ+ADmCHzrFzF+KyX3OjDVm8AOCHT1abaot0We5na/EF hDGsr+XcwZXLFc9YqNQqUwAltPprgFaw208nAwU8OA3WyuZPaA SKyzT4/4xJUIyGCdjjm0YsRteG5G8/aB9T5TuU1FqB5ftw48OB 65XaQqpeFMqsKC74zDKi3YeqtmkxSZ2SlOGQtpZzWyNMypiszG a40OHg0FAribVmpYZjkZtHMiQDc5LK8LEqTgieR69XFv92PFV3 0U0GTGlBAjdBK3Ua7yYnd9Vhu7eBBeHExrzvwlAH8PxsdT6tpp go9XcJvQCmpj4a030B76RWgIWoNn7P1Zq+CuCK1Ls9sOnxc8qY 6n8C6zfrzlKtw== Sender: linux-sh-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-sh@vger.kernel.org X-Spam-Status: No, score=-9.3 required=5.0 tests=BAYES_00,FREEMAIL_FROM, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham 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 Currently all I2C interfaces in all *.dtsi files for various Renesas SoCs are enabled by default. Switch them all off and only enable populated I2C interfaces in board-specific *.dts files. Signed-off-by: Guennadi Liakhovetski Acked-by: Mark Rutland Acked-by: Laurent Pinchart --- RFC because this can break things. E.g. if someone relied on an I2C bus being available and used it from the user-space. Otherwise I don't think it should break anything. Compile-tested all affected .dtb, run-time tested on kzm9g. arch/arm/boot/dts/r8a73a4-ape6evm-reference.dts | 1 + arch/arm/boot/dts/r8a73a4-ape6evm.dts | 1 + arch/arm/boot/dts/r8a73a4.dtsi | 9 +++++++++ .../boot/dts/r8a7740-armadillo800eva-reference.dts | 1 + arch/arm/boot/dts/r8a7740.dtsi | 2 ++ arch/arm/boot/dts/r8a7779.dtsi | 4 ++++ arch/arm/boot/dts/sh73a0-kzm9g-reference.dts | 2 ++ arch/arm/boot/dts/sh73a0.dtsi | 5 +++++ 8 files changed, 25 insertions(+), 0 deletions(-) diff --git a/arch/arm/boot/dts/r8a73a4-ape6evm-reference.dts b/arch/arm/boot/dts/r8a73a4-ape6evm-reference.dts index 2b49b05..9443e93 100644 --- a/arch/arm/boot/dts/r8a73a4-ape6evm-reference.dts +++ b/arch/arm/boot/dts/r8a73a4-ape6evm-reference.dts @@ -62,6 +62,7 @@ }; &i2c5 { + status = "okay"; vdd_dvfs: max8973@1b { compatible = "maxim,max8973"; reg = <0x1b>; diff --git a/arch/arm/boot/dts/r8a73a4-ape6evm.dts b/arch/arm/boot/dts/r8a73a4-ape6evm.dts index 72f867e..91436b5 100644 --- a/arch/arm/boot/dts/r8a73a4-ape6evm.dts +++ b/arch/arm/boot/dts/r8a73a4-ape6evm.dts @@ -52,6 +52,7 @@ }; &i2c5 { + status = "okay"; vdd_dvfs: max8973@1b { compatible = "maxim,max8973"; reg = <0x1b>; diff --git a/arch/arm/boot/dts/r8a73a4.dtsi b/arch/arm/boot/dts/r8a73a4.dtsi index 658fcc5..6048825 100644 --- a/arch/arm/boot/dts/r8a73a4.dtsi +++ b/arch/arm/boot/dts/r8a73a4.dtsi @@ -93,6 +93,7 @@ reg = <0 0xe6500000 0 0x428>; interrupt-parent = <&gic>; interrupts = <0 174 0x4>; + status = "disabled"; }; i2c1: i2c@e6510000 { @@ -102,6 +103,7 @@ reg = <0 0xe6510000 0 0x428>; interrupt-parent = <&gic>; interrupts = <0 175 0x4>; + status = "disabled"; }; i2c2: i2c@e6520000 { @@ -111,6 +113,7 @@ reg = <0 0xe6520000 0 0x428>; interrupt-parent = <&gic>; interrupts = <0 176 0x4>; + status = "disabled"; }; i2c3: i2c@e6530000 { @@ -120,6 +123,7 @@ reg = <0 0xe6530000 0 0x428>; interrupt-parent = <&gic>; interrupts = <0 177 0x4>; + status = "disabled"; }; i2c4: i2c@e6540000 { @@ -129,6 +133,7 @@ reg = <0 0xe6540000 0 0x428>; interrupt-parent = <&gic>; interrupts = <0 178 0x4>; + status = "disabled"; }; i2c5: i2c@e60b0000 { @@ -138,6 +143,7 @@ reg = <0 0xe60b0000 0 0x428>; interrupt-parent = <&gic>; interrupts = <0 179 0x4>; + status = "disabled"; }; i2c6: i2c@e6550000 { @@ -147,6 +153,7 @@ reg = <0 0xe6550000 0 0x428>; interrupt-parent = <&gic>; interrupts = <0 184 0x4>; + status = "disabled"; }; i2c7: i2c@e6560000 { @@ -156,6 +163,7 @@ reg = <0 0xe6560000 0 0x428>; interrupt-parent = <&gic>; interrupts = <0 185 0x4>; + status = "disabled"; }; i2c8: i2c@e6570000 { @@ -165,6 +173,7 @@ reg = <0 0xe6570000 0 0x428>; interrupt-parent = <&gic>; interrupts = <0 173 0x4>; + status = "disabled"; }; mmcif0: mmcif@ee200000 { diff --git a/arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts b/arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts index 801442b..8b2aab5 100644 --- a/arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts +++ b/arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts @@ -62,6 +62,7 @@ }; &i2c0 { + status = "okay"; touchscreen: st1232@55 { compatible = "sitronix,st1232"; reg = <0x55>; diff --git a/arch/arm/boot/dts/r8a7740.dtsi b/arch/arm/boot/dts/r8a7740.dtsi index 44d3d52..868bdde 100644 --- a/arch/arm/boot/dts/r8a7740.dtsi +++ b/arch/arm/boot/dts/r8a7740.dtsi @@ -131,6 +131,7 @@ 0 202 0x4 0 203 0x4 0 204 0x4>; + status = "disabled"; }; i2c1: i2c@e6c20000 { @@ -143,6 +144,7 @@ 0 71 0x4 0 72 0x4 0 73 0x4>; + status = "disabled"; }; pfc: pfc@e6050000 { diff --git a/arch/arm/boot/dts/r8a7779.dtsi b/arch/arm/boot/dts/r8a7779.dtsi index ebbe507..912b3a0 100644 --- a/arch/arm/boot/dts/r8a7779.dtsi +++ b/arch/arm/boot/dts/r8a7779.dtsi @@ -156,6 +156,7 @@ reg = <0xffc70000 0x1000>; interrupt-parent = <&gic>; interrupts = <0 79 0x4>; + status = "disabled"; }; i2c1: i2c@ffc71000 { @@ -165,6 +166,7 @@ reg = <0xffc71000 0x1000>; interrupt-parent = <&gic>; interrupts = <0 82 0x4>; + status = "disabled"; }; i2c2: i2c@ffc72000 { @@ -174,6 +176,7 @@ reg = <0xffc72000 0x1000>; interrupt-parent = <&gic>; interrupts = <0 80 0x4>; + status = "disabled"; }; i2c3: i2c@ffc73000 { @@ -183,6 +186,7 @@ reg = <0xffc73000 0x1000>; interrupt-parent = <&gic>; interrupts = <0 81 0x4>; + status = "disabled"; }; pfc: pfc@fffc0000 { diff --git a/arch/arm/boot/dts/sh73a0-kzm9g-reference.dts b/arch/arm/boot/dts/sh73a0-kzm9g-reference.dts index 2122306..8ee06dd 100644 --- a/arch/arm/boot/dts/sh73a0-kzm9g-reference.dts +++ b/arch/arm/boot/dts/sh73a0-kzm9g-reference.dts @@ -108,6 +108,7 @@ }; &i2c0 { + status = "okay"; as3711@40 { compatible = "ams,as3711"; reg = <0x40>; @@ -183,6 +184,7 @@ &i2c3 { pinctrl-0 = <&i2c3_pins>; pinctrl-names = "default"; + status = "okay"; }; &mmcif { diff --git a/arch/arm/boot/dts/sh73a0.dtsi b/arch/arm/boot/dts/sh73a0.dtsi index 3955c76..fcf2688 100644 --- a/arch/arm/boot/dts/sh73a0.dtsi +++ b/arch/arm/boot/dts/sh73a0.dtsi @@ -135,6 +135,7 @@ 0 168 0x4 0 169 0x4 0 170 0x4>; + status = "disabled"; }; i2c1: i2c@e6822000 { @@ -147,6 +148,7 @@ 0 52 0x4 0 53 0x4 0 54 0x4>; + status = "disabled"; }; i2c2: i2c@e6824000 { @@ -159,6 +161,7 @@ 0 172 0x4 0 173 0x4 0 174 0x4>; + status = "disabled"; }; i2c3: i2c@e6826000 { @@ -171,6 +174,7 @@ 0 184 0x4 0 185 0x4 0 186 0x4>; + status = "disabled"; }; i2c4: i2c@e6828000 { @@ -183,6 +187,7 @@ 0 188 0x4 0 189 0x4 0 190 0x4>; + status = "disabled"; }; mmcif: mmcif@e6bd0000 {