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Date: Sun, 26 Apr 2020 21:31:52 +0200 From: Philipp Rossak <embed3d@...il.com> To: Paul Cercueil <paul@...pouillou.net>, "H. Nikolaus Schaller" <hns@...delico.com> Cc: David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>, Rob Herring <robh+dt@...nel.org>, Mark Rutland <mark.rutland@....com>, Benoît Cousson <bcousson@...libre.com>, Tony Lindgren <tony@...mide.com>, Ralf Baechle <ralf@...ux-mips.org>, Paul Burton <paulburton@...nel.org>, James Hogan <jhogan@...nel.org>, Kukjin Kim <kgene@...nel.org>, Krzysztof Kozlowski <krzk@...nel.org>, Maxime Ripard <mripard@...nel.org>, Chen-Yu Tsai <wens@...e.org>, Thomas Bogendoerfer <tsbogend@...ha.franken.de>, Jonathan Bakker <xc-racer2@...e.ca>, dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org, openpvrsgx-devgroup@...ux.org, letux-kernel@...nphoenux.org, kernel@...a-handheld.com, linux-mips@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-samsung-soc@...r.kernel.org Subject: Re: [PATCH v7 09/12] ARM: dts: sun6i: a31: add sgx gpu child node Hi Paul, On 26.04.20 14:53, Paul Cercueil wrote: > > > Le ven. 24 avril 2020 à 22:34, H. Nikolaus Schaller <hns@...delico.com> > a écrit : >> From: Philipp Rossak <embed3d@...il.com> >> >> We are adding the devicetree binding for the PVR-SGX-544-115 gpu. >> >> This driver is currently under development in the openpvrsgx-devgroup. >> Right now the full binding is not figured out, so we provide here a >> placeholder. It will be completed as soon as there is a demo available. >> >> The currently used binding that is used during development is more >> complete and was already verifyed by loading the kernelmodule successful. >> >> Signed-off-by: Philipp Rossak <embed3d@...il.com> >> Signed-off-by: H. Nikolaus Schaller <hns@...delico.com> >> --- >> arch/arm/boot/dts/sun6i-a31.dtsi | 11 +++++++++++ >> 1 file changed, 11 insertions(+) >> >> diff --git a/arch/arm/boot/dts/sun6i-a31.dtsi >> b/arch/arm/boot/dts/sun6i-a31.dtsi >> index f3425a66fc0a..933a825bf460 100644 >> --- a/arch/arm/boot/dts/sun6i-a31.dtsi >> +++ b/arch/arm/boot/dts/sun6i-a31.dtsi >> @@ -1417,5 +1417,16 @@ p2wi: i2c@...3400 { >> #address-cells = <1>; >> #size-cells = <0>; >> }; >> + >> + gpu: gpu@...00000 { >> + compatible = "allwinner,sun8i-a31-sgx544-115", looks like a copy paste error from my side this should be allwinner,sun6i-a31-sgx544-115 >> + "img,sgx544-115", "img,sgx544"; >> + reg = <0x01c40000 0x10000>; >> + /* >> + * This node is currently a placeholder for the gpu. >> + * This will be completed when a full demonstration >> + * of the openpvrsgx driver is available for this board. >> + */ > > This node doesn't have clocks, so I don't see how it'd work. > > Better delay the introduction of the GPU node for this board until you > know it works. > > -Paul This was already discuss in an earlier version that series that this should be delayed. I will send a follow up patch series, as soon as I mainlined an other driver that I'm working on, which is required to properly describe the gpu. Cheers Philipp
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