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[71.197.186.152]) by smtp.googlemail.com with ESMTPSA id w36sm14250463pgl.62.2019.06.11.16.32.10 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 11 Jun 2019 16:32:10 -0700 (PDT) From: Kevin Hilman To: Martin Blumenstingl , linux-amlogic@lists.infradead.org Subject: Re: [PATCH 0/4] ARM: dts: meson8b: add VDDEE / mali-supply In-Reply-To: <20190525190204.7897-1-martin.blumenstingl@googlemail.com> References: <20190525190204.7897-1-martin.blumenstingl@googlemail.com> Date: Tue, 11 Jun 2019 16:32:10 -0700 Message-ID: <7htvcv3dhh.fsf@baylibre.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190611_163212_181218_178B9375 X-CRM114-Status: GOOD ( 12.83 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Martin Blumenstingl , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Martin Blumenstingl writes: > EC-100 and Odroid-C1 use a "copy" of the VCCK regulator as "VDDEE" > regulator. VDDEE supplies the Mali GPU and various other bits within > the SoC. > > The VDDEE regulator is not exclusive to the Mali GPU so it must not > change it's voltage. The GPU OPP table has a fixed voltage for all > frequencies of 1.10V. This matches with what u-boot sets on my EC-100 > and Odroid-C1. > > Dependencies: > - compile time: patch #4 depends on my other patch "ARM: meson8b-mxq: > better support for the TRONFY MXQ" from [0] > - runtime: we don't want the kernel to change the output of the VDDEE > regulator to the maximum value. Thus the PWM driver has to be able > to read the PWM period and duty cycle from u-boot. This is supported > with my series called "pwm-meson: cleanups and improvements" from [1] Just FYI... unless I hear otherwise, I'll wait for the PWM cleanups to land before queuing this series. Kevin _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel