From: Neil Armstrong <narmstrong@baylibre.com>
To: "H. Nikolaus Schaller" <hns@goldelico.com>,
Maxime Ripard <maxime@cerno.tech>
Cc: "Mark Rutland" <mark.rutland@arm.com>,
"David Airlie" <airlied@linux.ie>,
"James Hogan" <jhogan@kernel.org>,
dri-devel@lists.freedesktop.org, linux-mips@vger.kernel.org,
"Paul Cercueil" <paul@crapouillou.net>,
linux-samsung-soc@vger.kernel.org, letux-kernel@openphoenux.org,
"Paul Burton" <paulburton@kernel.org>,
"Krzysztof Kozlowski" <krzk@kernel.org>,
"Tony Lindgren" <tony@atomide.com>,
"Chen-Yu Tsai" <wens@csie.org>, "Kukjin Kim" <kgene@kernel.org>,
devicetree@vger.kernel.org,
"Benoît Cousson" <bcousson@baylibre.com>,
"Rob Herring" <robh+dt@kernel.org>,
linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
"Thomas Bogendoerfer" <tsbogend@alpha.franken.de>,
"Philipp Rossak" <embed3d@gmail.com>,
openpvrsgx-devgroup@letux.org, linux-kernel@vger.kernel.org,
"Ralf Baechle" <ralf@linux-mips.org>,
"Daniel Vetter" <daniel@ffwll.ch>,
kernel@pyra-handheld.com
Subject: Re: [PATCH v6 01/12] dt-bindings: add img, pvrsgx.yaml for Imagination GPUs
Date: Wed, 15 Apr 2020 14:54:18 +0200 [thread overview]
Message-ID: <f4fdca8a-d18c-a8d2-7f51-d1ebbbab3647@baylibre.com> (raw)
In-Reply-To: <72919514-0657-4B71-902F-3E775E528F64@goldelico.com>
Hi,
On 15/04/2020 14:43, H. Nikolaus Schaller wrote:
>
>> Am 15.04.2020 um 12:12 schrieb Maxime Ripard <maxime@cerno.tech>:
>>
>> Hi,
>>
>> On Wed, Apr 15, 2020 at 10:35:08AM +0200, H. Nikolaus Schaller wrote:
>>> The Imagination PVR/SGX GPU is part of several SoC from
>>> multiple vendors, e.g. TI OMAP, Ingenic JZ4780, Intel Poulsbo,
>>> Allwinner A83 and others.
>>>
>>> With this binding, we describe how the SGX processor is
>>> interfaced to the SoC (registers, interrupt etc.).
>>>
>>> In most cases, Clock, Reset and power management is handled
>>> by a parent node or elsewhere (e.g. code in the driver).
>>
>> Wouldn't the "code in the driver" still require the clock / reset /
>> power domain to be set in the DT?
>
> Well, some SoC seem to use existing clocks and have no reset.
> Or, although not recommended, they may have the io-address range
> hard-coded.
The possible clocks and resets should be added, even if optional.
Please look at the arm utgard, midgard and bifrost bindings.
Neil
>
> BR,
> Nikolaus
>
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
>
next prev parent reply other threads:[~2020-04-15 12:54 UTC|newest]
Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-15 8:35 [PATCH v6 00/12] ARM/MIPS: DTS: add child nodes describing the PVRSGX GPU present in some OMAP SoC and JZ4780 (and many more) H. Nikolaus Schaller
2020-04-15 8:35 ` [PATCH v6 01/12] dt-bindings: add img,pvrsgx.yaml for Imagination GPUs H. Nikolaus Schaller
2020-04-15 10:12 ` Maxime Ripard
2020-04-15 12:43 ` H. Nikolaus Schaller
2020-04-15 12:54 ` Neil Armstrong [this message]
2020-04-15 13:17 ` [PATCH v6 01/12] dt-bindings: add img, pvrsgx.yaml " H. Nikolaus Schaller
2020-04-15 14:21 ` Maxime Ripard
2020-04-15 15:09 ` H. Nikolaus Schaller
2020-04-15 16:21 ` Maxime Ripard
2020-04-15 16:42 ` H. Nikolaus Schaller
2020-04-15 17:13 ` Tony Lindgren
2020-04-17 10:25 ` Maxime Ripard
2020-04-17 12:15 ` H. Nikolaus Schaller
2020-04-18 23:02 ` Philipp Rossak
2020-04-20 8:04 ` Maxime Ripard
2020-04-16 20:41 ` [PATCH v6 01/12] dt-bindings: add img,pvrsgx.yaml " Rob Herring
[not found] ` <C7C58E41-99CB-49F6-934E-68FA458CB8B1@goldelico.com>
2020-04-21 19:02 ` [PATCH v6 01/12] dt-bindings: add img, pvrsgx.yaml " Rob Herring
2020-04-15 8:35 ` [PATCH v6 02/12] ARM: DTS: am33xx: add sgx gpu child node H. Nikolaus Schaller
2020-04-15 8:35 ` [PATCH v6 03/12] ARM: DTS: am3517: " H. Nikolaus Schaller
2020-04-15 8:35 ` [PATCH v6 04/12] ARM: DTS: omap34xx: " H. Nikolaus Schaller
2020-04-15 8:35 ` [PATCH v6 05/12] ARM: DTS: omap36xx: " H. Nikolaus Schaller
2020-04-15 8:35 ` [PATCH v6 06/12] ARM: DTS: omap4: " H. Nikolaus Schaller
2020-04-15 8:35 ` [PATCH v6 07/12] ARM: DTS: omap5: " H. Nikolaus Schaller
2020-04-15 11:38 ` Krzysztof Kozlowski
2020-04-15 11:46 ` H. Nikolaus Schaller
2020-04-15 13:47 ` Krzysztof Kozlowski
2020-04-15 14:07 ` H. Nikolaus Schaller
2020-04-15 8:35 ` [PATCH v6 08/12] arm: dts: s5pv210: Add G3D node H. Nikolaus Schaller
2020-04-15 9:15 ` Sergei Shtylyov
2020-04-15 9:26 ` H. Nikolaus Schaller
2020-04-15 11:49 ` Krzysztof Kozlowski
2020-04-15 12:50 ` H. Nikolaus Schaller
2020-04-15 13:44 ` Krzysztof Kozlowski
2020-04-15 18:17 ` Jonathan Bakker
2020-04-16 8:50 ` Krzysztof Kozlowski
2020-04-17 12:15 ` H. Nikolaus Schaller
2020-04-22 5:56 ` kbuild test robot
2020-04-15 8:35 ` [PATCH v6 09/12] ARM: dts: sun6i: a31: add sgx gpu child node H. Nikolaus Schaller
2020-04-15 8:35 ` [PATCH v6 10/12] ARM: dts: sun6i: a31s: " H. Nikolaus Schaller
2020-04-15 8:35 ` [PATCH v6 11/12] ARM: dts: sun8i: a83t: " H. Nikolaus Schaller
2020-04-15 8:35 ` [PATCH v6 12/12] MIPS: DTS: jz4780: add sgx gpu node H. Nikolaus Schaller
2020-04-15 10:10 ` [PATCH v6 00/12] ARM/MIPS: DTS: add child nodes describing the PVRSGX GPU present in some OMAP SoC and JZ4780 (and many more) Maxime Ripard
2020-04-15 12:41 ` H. Nikolaus Schaller
2020-04-15 12:46 ` Daniel Vetter
2020-04-15 13:02 ` Maxime Ripard
2020-04-15 13:04 ` H. Nikolaus Schaller
2020-04-17 12:09 ` Philipp Rossak
2020-04-20 7:38 ` Maxime Ripard
2020-04-21 9:57 ` Philipp Rossak
2020-04-21 11:21 ` Maxime Ripard
2020-04-21 14:15 ` Tony Lindgren
2020-04-21 17:29 ` H. Nikolaus Schaller
2020-04-21 17:39 ` Tony Lindgren
2020-04-21 17:46 ` Tony Lindgren
2020-04-22 6:58 ` Maxime Ripard
2020-04-22 7:10 ` H. Nikolaus Schaller
2020-04-22 15:13 ` Maxime Ripard
2020-04-22 16:09 ` H. Nikolaus Schaller
[not found] ` <MC879Q.XY9S0U9R35681@crapouillou.net>
2020-04-22 17:23 ` H. Nikolaus Schaller
2020-04-22 19:00 ` Philipp Rossak
2020-04-22 19:33 ` Tony Lindgren
2020-04-22 21:12 ` H. Nikolaus Schaller
2020-04-23 15:00 ` Neil Armstrong
2020-04-23 15:45 ` H. Nikolaus Schaller
2020-04-23 20:36 ` Maxime Ripard
2020-04-24 9:51 ` H. Nikolaus Schaller
2020-04-21 16:42 ` Philipp Rossak
2020-04-23 20:37 ` Maxime Ripard
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