Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752232AbdHJHWu (ORCPT ); Thu, 10 Aug 2017 03:22:50 -0400 Received: from mailgw01.mediatek.com ([210.61.82.183]:2085 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1751449AbdHJHWt (ORCPT ); Thu, 10 Aug 2017 03:22:49 -0400 Message-ID: <1502349760.930.66.camel@mhfsdcap03> Subject: Re: [RESEND PATCH 2/2] i2c: mediatek: Add i2c compatible for MediaTek MT7622 From: Jun Gao To: Wolfram Sang CC: Matthias Brugger , , , , , , Date: Thu, 10 Aug 2017 15:22:40 +0800 In-Reply-To: <1502332061-25085-3-git-send-email-jun.gao@mediatek.com> References: <1502332061-25085-1-git-send-email-jun.gao@mediatek.com> <1502332061-25085-3-git-send-email-jun.gao@mediatek.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.2.3-0ubuntu6 Content-Transfer-Encoding: 7bit MIME-Version: 1.0 X-MTK: N Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1834 Lines: 62 On Thu, 2017-08-10 at 10:27 +0800, Jun Gao wrote: > From: Jun Gao > > Add i2c compatible for MT7622. Compare to MT8173 i2c controller, > MT7622 limits message numbers to 255, and does not support 4GB > DMA mode. > These two resend patches only modify commit message. Thanks! Jun > Signed-off-by: Jun Gao > --- > drivers/i2c/busses/i2c-mt65xx.c | 18 ++++++++++++++++++ > 1 file changed, 18 insertions(+) > > diff --git a/drivers/i2c/busses/i2c-mt65xx.c b/drivers/i2c/busses/i2c-mt65xx.c > index 9bedf0b..2c7f847 100644 > --- a/drivers/i2c/busses/i2c-mt65xx.c > +++ b/drivers/i2c/busses/i2c-mt65xx.c > @@ -172,6 +172,14 @@ struct mtk_i2c { > .max_comb_2nd_msg_len = 31, > }; > > +static const struct i2c_adapter_quirks mt7622_i2c_quirks = { > + .max_num_msgs = 255, > + .max_write_len = 65535, > + .max_read_len = 65535, > + .max_comb_1st_msg_len = 65535, > + .max_comb_2nd_msg_len = 65535, > +}; > + > static const struct mtk_i2c_compatible mt6577_compat = { > .quirks = &mt6577_i2c_quirks, > .pmic_i2c = 0, > @@ -190,6 +198,15 @@ struct mtk_i2c { > .support_33bits = 0, > }; > > +static const struct mtk_i2c_compatible mt7622_compat = { > + .quirks = &mt7622_i2c_quirks, > + .pmic_i2c = 0, > + .dcm = 1, > + .auto_restart = 1, > + .aux_len_reg = 1, > + .support_33bits = 0, > +}; > + > static const struct mtk_i2c_compatible mt8173_compat = { > .pmic_i2c = 0, > .dcm = 1, > @@ -201,6 +218,7 @@ struct mtk_i2c { > static const struct of_device_id mtk_i2c_of_match[] = { > { .compatible = "mediatek,mt6577-i2c", .data = &mt6577_compat }, > { .compatible = "mediatek,mt6589-i2c", .data = &mt6589_compat }, > + { .compatible = "mediatek,mt7622-i2c", .data = &mt7622_compat }, > { .compatible = "mediatek,mt8173-i2c", .data = &mt8173_compat }, > {} > };