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[66.90.144.107]) by smtp.gmail.com with ESMTPSA id p17-20020a4a3651000000b0035d9b838f21sm4534439ooe.10.2022.04.25.09.22.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 25 Apr 2022 09:22:21 -0700 (PDT) Received: (nullmailer pid 3999297 invoked by uid 1000); Mon, 25 Apr 2022 16:22:20 -0000 Date: Mon, 25 Apr 2022 11:22:20 -0500 From: Rob Herring To: Drew Fustini Cc: Krzysztof Kozlowski , Nishanth Menon , Santosh Shilimkar , Dave Gerlach , Tony Lindgren , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Keerthy Subject: Re: [PATCH 1/2] dt-bindings: wkup-m3-ipc: Add ti,scale-data-fw property Message-ID: References: <20220425052806.484590-1-dfustini@baylibre.com> <20220425052806.484590-2-dfustini@baylibre.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20220425052806.484590-2-dfustini@baylibre.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220425_092224_144423_547DFC32 X-CRM114-Status: GOOD ( 24.05 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Sun, Apr 24, 2022 at 10:28:05PM -0700, Drew Fustini wrote: > From: Dave Gerlach > > Add documentation for ti,scale-data-fw property to enable I2C PMIC > voltage scaling during deep sleep. The property contains the name of a > binary file for the CM3 firmware to load. > > Based on previous work by Russ Dill. > > Signed-off-by: Dave Gerlach > Signed-off-by: Keerthy > [dfustini: split from driver patch and convert to json-schema] > Signed-off-by: Drew Fustini > --- > .../devicetree/bindings/soc/ti/wkup-m3-ipc.yaml | 11 +++++++++++ > 1 file changed, 11 insertions(+) > > diff --git a/Documentation/devicetree/bindings/soc/ti/wkup-m3-ipc.yaml b/Documentation/devicetree/bindings/soc/ti/wkup-m3-ipc.yaml > index 88d690de050c..d2c248d82384 100644 > --- a/Documentation/devicetree/bindings/soc/ti/wkup-m3-ipc.yaml > +++ b/Documentation/devicetree/bindings/soc/ti/wkup-m3-ipc.yaml > @@ -40,6 +40,12 @@ description: |+ > override the pin's existing bias (pull-up/pull-down) and value (high/low) when > IO isolation is active. > > + Support for I2C PMIC Voltage Scaling > + ==================================== > + It is possible to pass the name of a binary file to load into the CM3 memory. > + The binary data is the I2C sequences for the CM3 to send out to the PMIC > + during low power mode entry. > + > properties: > compatible: > enum: > @@ -67,6 +73,11 @@ properties: > mbox_wkupm3 child node. > maxItems: 1 > > + ti,scale-data-fw: > + $ref: /schemas/types.yaml#/definitions/string > + description: > + Name of the firmware binary in /lib/firmware to copy to CM3 aux data The location of firmware files is up to the OS. Is there other firmware? If not, 'firmware-name' is the somewhat standard property for this. What's the default name? > + > ti,vtt-gpio-pin: > $ref: /schemas/types.yaml#/definitions/uint32 > description: GPIO pin connected to enable pin on VTT regulator > -- > 2.32.0 > > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel