Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
From:   Peter Korsgaard <peter@korsgaard.com>
To:     Srinivas Neeli <srinivas.neeli@xilinx.com>
Cc:     <a.zummo@towertech.it>, <alexandre.belloni@bootlin.com>,
        <robh+dt@kernel.org>, <krzysztof.kozlowski+dt@linaro.org>,
        <michal.simek@xilinx.com>, <sgoud@xilinx.com>,
        <shubhraj@xilinx.com>, <srinivas.neeli@amd.com>,
        <neelisrinivas18@gmail.com>, <devicetree@vger.kernel.org>,
        <linux-rtc@vger.kernel.org>,
        <linux-arm-kernel@lists.infradead.org>,
        <linux-kernel@vger.kernel.org>, <git@xilinx.com>
Subject: Re: [PATCH V6 2/2] rtc: zynqmp: Add calibration set and get support
References: <20220609140833.1784738-1-srinivas.neeli@xilinx.com>
        <20220609140833.1784738-2-srinivas.neeli@xilinx.com>
Date:   Thu, 09 Jun 2022 16:50:03 +0200
In-Reply-To: <20220609140833.1784738-2-srinivas.neeli@xilinx.com> (Srinivas
        Neeli's message of "Thu, 9 Jun 2022 19:38:33 +0530")
Message-ID: <87r13x28o4.fsf@dell.be.48ers.dk>
User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.1 (gnu/linux)
MIME-Version: 1.0
Content-Type: text/plain
Precedence: bulk

>>>>> "Srinivas" == Srinivas Neeli <srinivas.neeli@xilinx.com> writes:

 > Zynqmp RTC controller has a calibration feature to compensate
 > time deviation due to input clock inaccuracy.
 > Set and get calibration API's are used for setting and getting
 > calibration value from the controller calibration register.
 > As per RTC spec default calibration value is 0x7FFF.

Where do you see that? ug1085 rev2.2 still lists:

Programming Sequences
init rtc
1. Write the value 0019_8231h into the calibration register, CALIB_WRITE.


-- 
Bye, Peter Korsgaard