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[79.139.233.37]) by smtp.googlemail.com with ESMTPSA id o4sm17596949wrw.97.2020.01.26.14.03.57 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 26 Jan 2020 14:03:58 -0800 (PST) Subject: Re: [RFC 2/2] dt-bindings: firmware: tegra186-bpmp: Document interconnects property From: Dmitry Osipenko To: Thierry Reding , Georgi Djakov Cc: Rob Herring , Jon Hunter , linux-tegra@vger.kernel.org, devicetree@vger.kernel.org References: <20200114181519.3402385-1-thierry.reding@gmail.com> <20200114181519.3402385-2-thierry.reding@gmail.com> <7aefac6c-092c-b5a6-2fa6-e283d2147fc3@linaro.org> <20200120150605.GA712203@ulmo> <57c37b3c-1473-d444-db59-8c6650241188@gmail.com> <20200121141027.GE899558@ulmo> <83d94918-bc01-131b-924c-9750767d3b29@linaro.org> <20200121155432.GA912205@ulmo> <853bb7bd-8e04-38ac-d0d6-a958135a49be@gmail.com> Message-ID: Date: Mon, 27 Jan 2020 01:03:57 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.3.0 MIME-Version: 1.0 In-Reply-To: <853bb7bd-8e04-38ac-d0d6-a958135a49be@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org 27.01.2020 00:56, Dmitry Osipenko пишет: [snip] > Thinking a bit more about how to define the ICC, I'm now leaning to a > variant like this: > > interconnects = > <&mc TEGRA186_MEMORY_CLIENT_BPMP &emc TEGRA_ICC_EMEM>, > <&mc TEGRA186_MEMORY_CLIENT_BPMPR>, > <&mc TEGRA186_MEMORY_CLIENT_BPMPW>, > <&mc TEGRA186_MEMORY_CLIENT_BPMPDMAR>, > <&mc TEGRA186_MEMORY_CLIENT_BPMPDMAW>; I forgot that each ICC path should have SRC and DST, but you got the idea. This should be a more correct variant: <&mc TEGRA186_MEMORY_CLIENT_BPMPR &mc TEGRA_ICC_MC>, <&mc TEGRA186_MEMORY_CLIENT_BPMPW &mc TEGRA_ICC_MC>, <&mc TEGRA186_MEMORY_CLIENT_BPMPDMAR &mc TEGRA_ICC_MC>, <&mc TEGRA186_MEMORY_CLIENT_BPMPDMAW &mc TEGRA_ICC_MC>; > > interconnect-names = "dma-mem", "read", "write", "dma-read", "dma-write"; ...