From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 29000C433E0 for ; Thu, 21 Jan 2021 22:39:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D137823A62 for ; Thu, 21 Jan 2021 22:39:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727020AbhAUWiv (ORCPT ); Thu, 21 Jan 2021 17:38:51 -0500 Received: from perceval.ideasonboard.com ([213.167.242.64]:35602 "EHLO perceval.ideasonboard.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726215AbhAUWil (ORCPT ); Thu, 21 Jan 2021 17:38:41 -0500 Received: from pendragon.ideasonboard.com (62-78-145-57.bb.dnainternet.fi [62.78.145.57]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 1E35A50E; Thu, 21 Jan 2021 23:37:56 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1611268676; bh=mWURBj6RaXT6C5m2AXt2YVFGkQ1ZtlccLo1/SMFcSWA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=qbWAd+5RdXT6IMz1qh1A4vJDeBfKtbmfIzfhb4OMxTg4W/M4Dau9r9bK9COk/4bXi ItPL60lN55I1TX7zKGWN36rjkNCQOOLh9McJfXtgzFIUM1FKmQ2qKP39WwAB8TvKoR ZwEwberf0+cL019Mq0BnXESyH3tRk2fiwtr9rjds= Date: Fri, 22 Jan 2021 00:37:38 +0200 From: Laurent Pinchart To: Michal Simek Cc: linux-kernel@vger.kernel.org, monstr@monstr.eu, git@xilinx.com, Krzysztof Kozlowski , Rob Herring , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH 3/3] arm64: dts: zynqmp: Wire up the DisplayPort subsystem Message-ID: References: <9769d4d103b6eb75e3324825117f6832a746004e.1611232558.git.michal.simek@xilinx.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <9769d4d103b6eb75e3324825117f6832a746004e.1611232558.git.michal.simek@xilinx.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Michal, Thank you for the patch. On Thu, Jan 21, 2021 at 01:36:07PM +0100, Michal Simek wrote: > From: Laurent Pinchart > > Enable the dpsub device and wire it up to the PS-GTR PHY lanes routed to > the DisplayPort connector. > > Signed-off-by: Laurent Pinchart > Signed-off-by: Michal Simek > --- > > Wire all the boards > > --- > .../boot/dts/xilinx/zynqmp-zcu100-revC.dts | 31 +++++++++++++++++++ > .../boot/dts/xilinx/zynqmp-zcu102-revA.dts | 10 ++++++ > .../boot/dts/xilinx/zynqmp-zcu104-revA.dts | 11 +++++++ > .../boot/dts/xilinx/zynqmp-zcu104-revC.dts | 11 +++++++ > .../boot/dts/xilinx/zynqmp-zcu106-revA.dts | 11 +++++++ > .../boot/dts/xilinx/zynqmp-zcu111-revA.dts | 11 +++++++ > 6 files changed, 85 insertions(+) > > diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zcu100-revC.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zcu100-revC.dts > index 71ebcaadb7c8..a53598c3624b 100644 > --- a/arch/arm64/boot/dts/xilinx/zynqmp-zcu100-revC.dts > +++ b/arch/arm64/boot/dts/xilinx/zynqmp-zcu100-revC.dts > @@ -15,6 +15,7 @@ > #include > #include > #include > +#include > > / { > model = "ZynqMP ZCU100 RevC"; > @@ -108,6 +109,18 @@ ina226 { > compatible = "iio-hwmon"; > io-channels = <&u35 0>, <&u35 1>, <&u35 2>, <&u35 3>; > }; > + > + si5335a_0: clk26 { > + compatible = "fixed-clock"; > + #clock-cells = <0>; > + clock-frequency = <26000000>; > + }; > + > + si5335a_1: clk27 { > + compatible = "fixed-clock"; > + #clock-cells = <0>; > + clock-frequency = <27000000>; > + }; This is fine as a workaround for now, but I'm still wondering how we'll solve this properly. We can declare the SI5335A in DT without wiring the output that provides the clock to the PS, otherwise it will be disabled as part of the boot process. > }; > > &dcc { > @@ -224,6 +237,13 @@ i2csw_7: i2c@7 { > }; > }; > > +&psgtr { > + status = "okay"; > + /* usb3, dps */ > + clocks = <&si5335a_0>, <&si5335a_1>; > + clock-names = "ref0", "ref1"; > +}; > + > &rtc { > status = "okay"; > }; > @@ -295,3 +315,14 @@ &usb1 { > &watchdog0 { > status = "okay"; > }; > + > +&zynqmp_dpdma { > + status = "okay"; > +}; > + > +&zynqmp_dpsub { > + status = "okay"; > + phy-names = "dp-phy0", "dp-phy1"; > + phys = <&psgtr 1 PHY_TYPE_DP 0 1>, > + <&psgtr 0 PHY_TYPE_DP 1 1>; > +}; > diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revA.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revA.dts > index 9abd10f6785a..12e8bd48dc8c 100644 > --- a/arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revA.dts > +++ b/arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revA.dts > @@ -714,3 +714,13 @@ &usb0 { > &watchdog0 { > status = "okay"; > }; > + > +&zynqmp_dpdma { > + status = "okay"; > +}; > + > +&zynqmp_dpsub { > + status = "okay"; > + phy-names = "dp-phy0"; > + phys = <&psgtr 1 PHY_TYPE_DP 0 3>; > +}; > diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revA.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revA.dts > index 8ede619fea52..5637e1c17fdf 100644 > --- a/arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revA.dts > +++ b/arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revA.dts > @@ -224,3 +224,14 @@ &usb0 { > &watchdog0 { > status = "okay"; > }; > + > +&zynqmp_dpdma { > + status = "okay"; > +}; > + > +&zynqmp_dpsub { > + status = "okay"; > + phy-names = "dp-phy0", "dp-phy1"; > + phys = <&psgtr 1 PHY_TYPE_DP 0 3>, > + <&psgtr 0 PHY_TYPE_DP 1 3>; > +}; > diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revC.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revC.dts > index 414f98f1831e..7f2e32831b05 100644 > --- a/arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revC.dts > +++ b/arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revC.dts > @@ -280,3 +280,14 @@ &usb0 { > &watchdog0 { > status = "okay"; > }; > + > +&zynqmp_dpdma { > + status = "okay"; > +}; > + > +&zynqmp_dpsub { > + status = "okay"; > + phy-names = "dp-phy0", "dp-phy1"; > + phys = <&psgtr 1 PHY_TYPE_DP 0 3>, > + <&psgtr 0 PHY_TYPE_DP 1 3>; > +}; > diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zcu106-revA.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zcu106-revA.dts > index d60a30787022..18771e868399 100644 > --- a/arch/arm64/boot/dts/xilinx/zynqmp-zcu106-revA.dts > +++ b/arch/arm64/boot/dts/xilinx/zynqmp-zcu106-revA.dts > @@ -156,6 +156,17 @@ &dcc { > status = "okay"; > }; > > +&zynqmp_dpdma { > + status = "okay"; > +}; > + > +&zynqmp_dpsub { > + status = "okay"; > + phy-names = "dp-phy0", "dp-phy1"; > + phys = <&psgtr 1 PHY_TYPE_DP 0 3>, > + <&psgtr 0 PHY_TYPE_DP 1 3>; > +}; > + > /* fpd_dma clk 667MHz, lpd_dma 500MHz */ > &fpd_dma_chan1 { > status = "okay"; > diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zcu111-revA.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zcu111-revA.dts > index 758de05c4a4b..d4b68f0d0098 100644 > --- a/arch/arm64/boot/dts/xilinx/zynqmp-zcu111-revA.dts > +++ b/arch/arm64/boot/dts/xilinx/zynqmp-zcu111-revA.dts > @@ -584,3 +584,14 @@ &usb0 { > status = "okay"; > dr_mode = "host"; > }; > + > +&zynqmp_dpdma { > + status = "okay"; > +}; > + > +&zynqmp_dpsub { > + status = "okay"; > + phy-names = "dp-phy0", "dp-phy1"; > + phys = <&psgtr 1 PHY_TYPE_DP 0 1>, > + <&psgtr 0 PHY_TYPE_DP 1 1>; > +}; -- Regards, Laurent Pinchart From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 56790C433E0 for ; Thu, 21 Jan 2021 22:39:33 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 1BD5B21973 for ; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Michal, Thank you for the patch. On Thu, Jan 21, 2021 at 01:36:07PM +0100, Michal Simek wrote: > From: Laurent Pinchart > > Enable the dpsub device and wire it up to the PS-GTR PHY lanes routed to > the DisplayPort connector. > > Signed-off-by: Laurent Pinchart > Signed-off-by: Michal Simek > --- > > Wire all the boards > > --- > .../boot/dts/xilinx/zynqmp-zcu100-revC.dts | 31 +++++++++++++++++++ > .../boot/dts/xilinx/zynqmp-zcu102-revA.dts | 10 ++++++ > .../boot/dts/xilinx/zynqmp-zcu104-revA.dts | 11 +++++++ > .../boot/dts/xilinx/zynqmp-zcu104-revC.dts | 11 +++++++ > .../boot/dts/xilinx/zynqmp-zcu106-revA.dts | 11 +++++++ > .../boot/dts/xilinx/zynqmp-zcu111-revA.dts | 11 +++++++ > 6 files changed, 85 insertions(+) > > diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zcu100-revC.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zcu100-revC.dts > index 71ebcaadb7c8..a53598c3624b 100644 > --- a/arch/arm64/boot/dts/xilinx/zynqmp-zcu100-revC.dts > +++ b/arch/arm64/boot/dts/xilinx/zynqmp-zcu100-revC.dts > @@ -15,6 +15,7 @@ > #include > #include > #include > +#include > > / { > model = "ZynqMP ZCU100 RevC"; > @@ -108,6 +109,18 @@ ina226 { > compatible = "iio-hwmon"; > io-channels = <&u35 0>, <&u35 1>, <&u35 2>, <&u35 3>; > }; > + > + si5335a_0: clk26 { > + compatible = "fixed-clock"; > + #clock-cells = <0>; > + clock-frequency = <26000000>; > + }; > + > + si5335a_1: clk27 { > + compatible = "fixed-clock"; > + #clock-cells = <0>; > + clock-frequency = <27000000>; > + }; This is fine as a workaround for now, but I'm still wondering how we'll solve this properly. We can declare the SI5335A in DT without wiring the output that provides the clock to the PS, otherwise it will be disabled as part of the boot process. > }; > > &dcc { > @@ -224,6 +237,13 @@ i2csw_7: i2c@7 { > }; > }; > > +&psgtr { > + status = "okay"; > + /* usb3, dps */ > + clocks = <&si5335a_0>, <&si5335a_1>; > + clock-names = "ref0", "ref1"; > +}; > + > &rtc { > status = "okay"; > }; > @@ -295,3 +315,14 @@ &usb1 { > &watchdog0 { > status = "okay"; > }; > + > +&zynqmp_dpdma { > + status = "okay"; > +}; > + > +&zynqmp_dpsub { > + status = "okay"; > + phy-names = "dp-phy0", "dp-phy1"; > + phys = <&psgtr 1 PHY_TYPE_DP 0 1>, > + <&psgtr 0 PHY_TYPE_DP 1 1>; > +}; > diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revA.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revA.dts > index 9abd10f6785a..12e8bd48dc8c 100644 > --- a/arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revA.dts > +++ b/arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revA.dts > @@ -714,3 +714,13 @@ &usb0 { > &watchdog0 { > status = "okay"; > }; > + > +&zynqmp_dpdma { > + status = "okay"; > +}; > + > +&zynqmp_dpsub { > + status = "okay"; > + phy-names = "dp-phy0"; > + phys = <&psgtr 1 PHY_TYPE_DP 0 3>; > +}; > diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revA.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revA.dts > index 8ede619fea52..5637e1c17fdf 100644 > --- a/arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revA.dts > +++ b/arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revA.dts > @@ -224,3 +224,14 @@ &usb0 { > &watchdog0 { > status = "okay"; > }; > + > +&zynqmp_dpdma { > + status = "okay"; > +}; > + > +&zynqmp_dpsub { > + status = "okay"; > + phy-names = "dp-phy0", "dp-phy1"; > + phys = <&psgtr 1 PHY_TYPE_DP 0 3>, > + <&psgtr 0 PHY_TYPE_DP 1 3>; > +}; > diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revC.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revC.dts > index 414f98f1831e..7f2e32831b05 100644 > --- a/arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revC.dts > +++ b/arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revC.dts > @@ -280,3 +280,14 @@ &usb0 { > &watchdog0 { > status = "okay"; > }; > + > +&zynqmp_dpdma { > + status = "okay"; > +}; > + > +&zynqmp_dpsub { > + status = "okay"; > + phy-names = "dp-phy0", "dp-phy1"; > + phys = <&psgtr 1 PHY_TYPE_DP 0 3>, > + <&psgtr 0 PHY_TYPE_DP 1 3>; > +}; > diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zcu106-revA.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zcu106-revA.dts > index d60a30787022..18771e868399 100644 > --- a/arch/arm64/boot/dts/xilinx/zynqmp-zcu106-revA.dts > +++ b/arch/arm64/boot/dts/xilinx/zynqmp-zcu106-revA.dts > @@ -156,6 +156,17 @@ &dcc { > status = "okay"; > }; > > +&zynqmp_dpdma { > + status = "okay"; > +}; > + > +&zynqmp_dpsub { > + status = "okay"; > + phy-names = "dp-phy0", "dp-phy1"; > + phys = <&psgtr 1 PHY_TYPE_DP 0 3>, > + <&psgtr 0 PHY_TYPE_DP 1 3>; > +}; > + > /* fpd_dma clk 667MHz, lpd_dma 500MHz */ > &fpd_dma_chan1 { > status = "okay"; > diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zcu111-revA.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zcu111-revA.dts > index 758de05c4a4b..d4b68f0d0098 100644 > --- a/arch/arm64/boot/dts/xilinx/zynqmp-zcu111-revA.dts > +++ b/arch/arm64/boot/dts/xilinx/zynqmp-zcu111-revA.dts > @@ -584,3 +584,14 @@ &usb0 { > status = "okay"; > dr_mode = "host"; > }; > + > +&zynqmp_dpdma { > + status = "okay"; > +}; > + > +&zynqmp_dpsub { > + status = "okay"; > + phy-names = "dp-phy0", "dp-phy1"; > + phys = <&psgtr 1 PHY_TYPE_DP 0 1>, > + <&psgtr 0 PHY_TYPE_DP 1 1>; > +}; -- Regards, Laurent Pinchart _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel