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Thu, 08 Jun 2023 01:36:39 -0700 (PDT) Received: from [192.168.1.20] ([178.197.219.26]) by smtp.gmail.com with ESMTPSA id a14-20020a1709063a4e00b0097456b4085fsm383939ejf.190.2023.06.08.01.36.37 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 08 Jun 2023 01:36:38 -0700 (PDT) Message-ID: <9f8a9208-62d4-0c96-7d1c-a452d3d7e799@linaro.org> Date: Thu, 8 Jun 2023 10:36:36 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.11.2 Subject: Re: [v6 1/4] dt-bindings: pwm: Add ASPEED PWM Control documentation Content-Language: en-US To: Billy Tsai , "jdelvare@suse.com" , "linux@roeck-us.net" , "robh+dt@kernel.org" , "krzysztof.kozlowski+dt@linaro.org" , "joel@jms.id.au" , "andrew@aj.id.au" , "thierry.reding@gmail.com" , "u.kleine-koenig@pengutronix.de" , "corbet@lwn.net" , "p.zabel@pengutronix.de" , "linux-hwmon@vger.kernel.org" , "devicetree@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-aspeed@lists.ozlabs.org" , "linux-kernel@vger.kernel.org" , "linux-pwm@vger.kernel.org" , "linux-doc@vger.kernel.org" , "patrick@stwcx.xyz" References: <20230608021839.12769-1-billy_tsai@aspeedtech.com> <20230608021839.12769-2-billy_tsai@aspeedtech.com> <4dffd320-8e30-fb30-6ded-79519afddc21@linaro.org> <61278e12-ba39-4503-ca74-a7118b0f6e99@linaro.org> From: Krzysztof Kozlowski In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230608_013643_195648_38EF62F9 X-CRM114-Status: GOOD ( 13.03 ) 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 08/06/2023 10:21, Billy Tsai wrote: > On 08/06/2023 09:47, Billy Tsai wrote: > >> > >> >> + > >> >> +allOf: > >> >> + - $ref: pwm.yaml# > >> >> + > >> >> +properties: > >> >> + compatible: > >> >> + enum: > >> >> + - aspeed,ast2600-pwm > >> >> + > >> >> + "#pwm-cells": > >> >> + const: 3 > >> > >> > 3 cells? For one PWM? What are they? > >> > >> channel, period and polarity. > > > Don't cut my responses. You wrote you have one PWM output, so only one > > channel. What do you put then in the channel? > > You need to put 0 in the cell of the channel, the example of the dts usage will like following: If you always put 0 isn't this a proof that it's wrong? Best regards, Krzysztof _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel