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d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=W2LROEDqwB/YAfpZuvnNBx/s/n4ussPUTp1SoV848WE=; b=GEDdaeDr11vjJePNWvwMm7myLgXXBeLN23rJ1pjOPGpneCf5cA9adAz0WcEvXXDaqG Z13L+KfL5GCwDZhWwmR3bw4yjFFg4hY94WRxTIU03uvQHrENG3TsHXFsyVNOsEu9mK2o QTeBv+QFg17YC2wg0LSvvnWutY2znGJXoxL4zLHWfeClCG7jJmQV9xDblgaeh2F1AZSa /9tg4zvbU8l5MMO9x8mvevsyz86BAyd6wnggTnHkvS6Zk1Tb1Al+sDiBzQ5J6nCKhlqY SmNlIY+CPZzV6fCjCnHCkX+E9Z7wSapMCLP5xUOmLMa+pxk/rHrDCYunqhYB+E0v7gCi 7vBA== X-Gm-Message-State: AOAM531VlIgLJYyE2Yx4T8dpQTIUXd3RElPvO53Y6KcatzQNeuMOKG9e LZDTe7s7i5DIF/cxQZIGFSHEtxE4VPm7B0ttMVabwg== X-Google-Smtp-Source: ABdhPJy49vZO4pNDp6JtJUn+KdVv0aND0NyO3da5g+cVxXyOVmgGe9S4bf/F/v98cY0CP0i1NrbPCyiERv3WhWMkEBU= X-Received: by 2002:a1f:41cc:: with SMTP id o195mr13053486vka.15.1605095138861; Wed, 11 Nov 2020 03:45:38 -0800 (PST) MIME-Version: 1.0 References: <20201104234427.26477-1-digetx@gmail.com> <20201104234427.26477-2-digetx@gmail.com> In-Reply-To: <20201104234427.26477-2-digetx@gmail.com> From: Ulf Hansson Date: Wed, 11 Nov 2020 12:45:02 +0100 Message-ID: Subject: Re: [PATCH v1 01/30] dt-bindings: host1x: Document OPP and voltage regulator properties To: Dmitry Osipenko , Rob Herring X-BeenThere: driverdev-devel@linuxdriverproject.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux Driver Project Developer List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Chen , DTML , dri-devel , Adrian Hunter , Thierry Reding , Lee Jones , Marek Szyprowski , driverdevel , linux-samsung-soc , Nicolas Chauvet , Krzysztof Kozlowski , Jonathan Hunter , Alan Stern , =?UTF-8?Q?Uwe_Kleine=2DK=C3=B6nig?= , Linux Media Mailing List , linux-pwm@vger.kernel.org, Mark Brown , linux-tegra , Mauro Carvalho Chehab , Greg Kroah-Hartman , Linux USB List , "linux-mmc@vger.kernel.org" , Liam Girdwood , Linux Kernel Mailing List , Peter Geis Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: driverdev-devel-bounces@linuxdriverproject.org Sender: "devel" On Thu, 5 Nov 2020 at 00:44, Dmitry Osipenko wrote: > > Document new DVFS OPP table and voltage regulator properties of the > Host1x bus and devices sitting on the bus. > > Signed-off-by: Dmitry Osipenko > --- > .../display/tegra/nvidia,tegra20-host1x.txt | 56 +++++++++++++++++++ > 1 file changed, 56 insertions(+) > > diff --git a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.txt b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.txt > index 34d993338453..0593c8df70bb 100644 > --- a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.txt > +++ b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.txt > @@ -20,6 +20,18 @@ Required properties: > - reset-names: Must include the following entries: > - host1x > > +Optional properties: > +- operating-points-v2: See ../bindings/opp/opp.txt for details. > +- core-supply: Phandle of voltage regulator of the SoC "core" power domain. > + > +For each opp entry in 'operating-points-v2' table of host1x and its modules: > +- opp-supported-hw: One bitfield indicating: > + On Tegra20: SoC process ID mask > + On Tegra30+: SoC speedo ID mask > + > + A bitwise AND is performed against the value and if any bit > + matches, the OPP gets enabled. > + > Each host1x client module having to perform DMA through the Memory Controller > should have the interconnect endpoints set to the Memory Client and External > Memory respectively. > @@ -45,6 +57,8 @@ of the following host1x client modules: > - interconnect-names: Must include name of the interconnect path for each > interconnect entry. Consult TRM documentation for information about > available memory clients, see MEMORY CONTROLLER section. > + - core-supply: Phandle of voltage regulator of the SoC "core" power domain. > + - operating-points-v2: See ../bindings/opp/opp.txt for details. > As discussed in the thread for the cover-letter. We already have DT bindings for power-domains (providers and consumers). Please use them instead of adding SoC specific bindings to each peripheral device. [...] Kind regards Uffe _______________________________________________ devel mailing list devel@linuxdriverproject.org http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel