From: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
To: Geert Uytterhoeven <geert+renesas@glider.be>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
Magnus Damm <magnus.damm@gmail.com>,
Rob Herring <robh+dt@kernel.org>,
Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>,
devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org,
linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org
Cc: Andrzej Hajda <andrzej.hajda@intel.com>,
Neil Armstrong <neil.armstrong@linaro.org>,
Robert Foss <robert.foss@linaro.org>,
Jonas Karlman <jonas@kwiboo.se>,
Jernej Skrabec <jernej.skrabec@gmail.com>,
Tomi Valkeinen <tomi.valkeinen+renesas@ideasonboard.com>
Subject: Re: [PATCH v1 7/8] drm: rcar-du: dsi: Add r8A779g0 support
Date: Thu, 17 Nov 2022 15:56:32 +0000 [thread overview]
Message-ID: <166870059260.50677.7640208301376893584@Monstersaurus> (raw)
In-Reply-To: <8d848493-24a8-4ffb-239e-9e7baa232a42@ideasonboard.com>
Quoting Tomi Valkeinen (2022-11-17 15:49:36)
> On 17/11/2022 17:46, Kieran Bingham wrote:
> >> + if (ret)
> >> + return ret;
> >> +
> >> + if (setup_info->hsfreq <= MHZ(1000))
> >> + ret = WRITE_PHTW(0x01020100, 0x01910170, 0x01020171,
> >> + 0x01110172);
> > The <=1Gbps reads:
> >
> > <=1Gbps
> >
> > Set PHTW=H’01020100
> > Set PHTW=H’01010172
> > Set PHTW=H’01570170
> > Set PHTW=H’01060171
> > Set PHTW=H’01110172
> >
> > Is it clear why theres a difference here?
>
> What doc is that? Mine (R19UH0172EJ0054 Rev.0.54) says:
Hrm ... mine is R19UH0172EJ0051 ... So I guess I'm on an outdated
datasheet.
Which leaves me pondering if I should just wave my hand over my eyes and
add a tag ... (Or see if I can dig up the later datasheet) ;-)
--
Kieran
>
> Set PHTW=H’01020100
> Set PHTW=H’01910170
> Set PHTW=H’01020171
> Set PHTW=H’01110172
>
> Tomi
>
next prev parent reply other threads:[~2022-11-17 15:56 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-17 12:25 [PATCH v1 0/8] Renesas V4H DSI & DP output support Tomi Valkeinen
2022-11-17 12:25 ` [PATCH v1 1/8] dt-bindings: display: renesas,du: Provide bindings for r8a779g0 Tomi Valkeinen
2022-11-17 13:56 ` Kieran Bingham
2022-11-17 18:07 ` Krzysztof Kozlowski
2022-11-22 2:44 ` Laurent Pinchart
2022-11-17 12:25 ` [PATCH v1 2/8] dt-bindings: display: bridge: renesas,dsi-csi2-tx: Add r8a779g0 Tomi Valkeinen
2022-11-17 13:58 ` Kieran Bingham
2022-11-17 15:14 ` Geert Uytterhoeven
2022-11-22 2:45 ` Laurent Pinchart
2022-11-22 8:20 ` Tomi Valkeinen
2022-11-22 8:55 ` Geert Uytterhoeven
2022-11-17 18:07 ` Krzysztof Kozlowski
2022-11-17 12:25 ` [PATCH v1 3/8] clk: renesas: r8a779g0: Add display related clocks Tomi Valkeinen
2022-11-17 14:08 ` Kieran Bingham
2022-11-22 2:52 ` Laurent Pinchart
2022-11-17 12:25 ` [PATCH v1 4/8] arm64: dts: renesas: r8a779g0: Add display related data Tomi Valkeinen
2022-11-17 15:03 ` Kieran Bingham
2022-11-22 3:00 ` Laurent Pinchart
2022-11-22 8:35 ` Tomi Valkeinen
2022-11-17 12:25 ` [PATCH v1 5/8] arm64: dts: renesas: white-hawk-cpu: Add DP output support Tomi Valkeinen
2022-11-17 15:05 ` Kieran Bingham
2022-11-22 3:01 ` Laurent Pinchart
2022-11-17 12:25 ` [PATCH v1 6/8] drm: rcar-du: Add r8a779g0 support Tomi Valkeinen
2022-11-17 15:08 ` Kieran Bingham
2022-11-22 3:05 ` Laurent Pinchart
2022-11-22 8:42 ` Tomi Valkeinen
2022-11-17 12:25 ` [PATCH v1 7/8] drm: rcar-du: dsi: Add r8A779g0 support Tomi Valkeinen
2022-11-17 15:46 ` Kieran Bingham
2022-11-17 15:49 ` Tomi Valkeinen
2022-11-17 15:56 ` Kieran Bingham [this message]
2022-11-22 8:50 ` Tomi Valkeinen
2022-11-29 0:43 ` Laurent Pinchart
2022-11-29 6:57 ` Tomi Valkeinen
2022-11-17 12:25 ` [PATCH v1 8/8] HACK: drm: rcar-du: dsi: use-extal-clk hack Tomi Valkeinen
2022-11-17 12:28 ` [PATCH v1 0/8] Renesas V4H DSI & DP output support Tomi Valkeinen
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