From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752860AbcBEL6z (ORCPT ); Fri, 5 Feb 2016 06:58:55 -0500 Received: from box2.japko.eu ([91.121.152.53]:55334 "EHLO box2.japko.eu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752583AbcBEL6w (ORCPT ); Fri, 5 Feb 2016 06:58:52 -0500 Date: Fri, 5 Feb 2016 12:58:37 +0100 From: Krzysztof Adamski To: Maxime Ripard Cc: Jean-Francois Moine , inus Walleij , Chen-Yu Tsai , Hans de Goede , Lee Jones , Rob Herring , Jens Kuske , Fabian Frederick , Vishnu Patekar , linux-gpio@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com Subject: Re: [PATCH v3 1/5] clk: sunxi: Add apb0 gates for H3 Message-ID: <20160205115837.GD12071@box2.japko.eu> References: <1454542430-16572-1-git-send-email-k@japko.eu> <1454542430-16572-2-git-send-email-k@japko.eu> <20160204154752.4df7808be3364a98c496c030@free.fr> <20160205111152.GA31506@lukather> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <20160205111152.GA31506@lukather> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Feb 05, 2016 at 12:11:52PM +0100, Maxime Ripard wrote: >Hi, > >On Thu, Feb 04, 2016 at 03:47:52PM +0100, Jean-Francois Moine wrote: >> On Thu, 4 Feb 2016 00:33:46 +0100 >> Krzysztof Adamski wrote: >> >> > This patch adds support for APB0 in H3. It seems to be compatible with >> > earlier SOCs. apb0 gates controls R_ block peripherals (R_PIO, R_IR, >> > etc). >> > >> > Signed-off-by: Krzysztof Adamski >> > --- >> > Documentation/devicetree/bindings/clock/sunxi.txt | 1 + >> > drivers/clk/sunxi/clk-simple-gates.c | 2 ++ >> > 2 files changed, 3 insertions(+) >> > >> > diff --git a/Documentation/devicetree/bindings/clock/sunxi.txt b/Documentation/devicetree/bindings/clock/sunxi.txt >> > index e59f57b..751c8b9f0 100644 >> > --- a/Documentation/devicetree/bindings/clock/sunxi.txt >> > +++ b/Documentation/devicetree/bindings/clock/sunxi.txt >> > @@ -45,6 +45,7 @@ Required properties: >> > "allwinner,sun6i-a31-apb0-gates-clk" - for the APB0 gates on A31 >> > "allwinner,sun7i-a20-apb0-gates-clk" - for the APB0 gates on A20 >> > "allwinner,sun8i-a23-apb0-gates-clk" - for the APB0 gates on A23 >> > + "allwinner,sun8i-h3-apb0-gates-clk" - for the APB0 gates on H3 >> > "allwinner,sun9i-a80-apb0-gates-clk" - for the APB0 gates on A80 >> > "allwinner,sun4i-a10-apb1-clk" - for the APB1 clock >> > "allwinner,sun9i-a80-apb1-clk" - for the APB1 bus clock on A80 >> > diff --git a/drivers/clk/sunxi/clk-simple-gates.c b/drivers/clk/sunxi/clk-simple-gates.c >> > index f4da52b..6753c87 100644 >> > --- a/drivers/clk/sunxi/clk-simple-gates.c >> > +++ b/drivers/clk/sunxi/clk-simple-gates.c >> > @@ -130,6 +130,8 @@ CLK_OF_DECLARE(sun8i_a23_apb2, "allwinner,sun8i-a23-apb2-gates-clk", >> > sunxi_simple_gates_init); >> > CLK_OF_DECLARE(sun8i_a33_ahb1, "allwinner,sun8i-a33-ahb1-gates-clk", >> > sunxi_simple_gates_init); >> > +CLK_OF_DECLARE(sun8i_h3_apb0, "allwinner,sun8i-h3-apb0-gates-clk", >> > + sunxi_simple_gates_init); >> > CLK_OF_DECLARE(sun9i_a80_ahb0, "allwinner,sun9i-a80-ahb0-gates-clk", >> > sunxi_simple_gates_init); >> > CLK_OF_DECLARE(sun9i_a80_ahb1, "allwinner,sun9i-a80-ahb1-gates-clk", >> >> It seems that the other compatible strings are there for historical >> reasons. Why do you need a new one with such a specific name? >> >> It would have been more sensible to add a generic compatible string as >> "allwinner,apb-gates", letting the removal of the other strings for a >> later patch... > >Yeah, it's a good idea, and it's probably time that we move to that. > >However, I'd like to keep per-soc and per-clocks compatibles in the >DT, in case we need to protect a clock in the future. That doesn't >prevent to have two compatibles thoughe, the specific and the generic. > So now I'm not sure what you mean. You suggest that I should keep using specific (sun8i_h3_apb0) or change to generic (apb-gates) in my patch?