linux-kernel - [PATCH V10 2/3] rtc: zynqmp: Updated calibration value

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Message-ID: <20220626070817.3780977-2-srinivas.neeli@xilinx.com>
Date:   Sun, 26 Jun 2022 12:38:16 +0530
From:   Srinivas Neeli <srinivas.neeli@...inx.com>
To:     <a.zummo@...ertech.it>, <alexandre.belloni@...tlin.com>,
        <robh+dt@...nel.org>, <srinivas.neeli@....com>,
        <neelisrinivas18@...il.com>, <krzysztof.kozlowski+dt@...aro.org>,
        <michal.simek@...inx.com>, <sgoud@...inx.com>,
        <shubhraj@...inx.com>
CC:     <devicetree@...r.kernel.org>, <linux-rtc@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <git@....com>, <git@...inx.com>,
        Srinivas Neeli <srinivas.neeli@...inx.com>,
        Peter Korsgaard <peter@...sgaard.com>
Subject: [PATCH V10 2/3] rtc: zynqmp: Updated calibration value

As per RTC spec default calibration value is 0x7FFF.
We are in process to update the 0x7FFF as default value in
the next version of TRM.

Signed-off-by: Srinivas Neeli <srinivas.neeli@...inx.com>
Acked-by: Peter Korsgaard <peter@...sgaard.com>
---
Changes in V10:
-None
Changes in V9:
-None
Changes in V8
-None, just swapped 2/3 and 3/3 patches from V7.
Changes in V7:
-New patch
-TRM not updated yet, Internal design document contains 0x7FFF as
 default value. TRM Will update in next release.
---
 drivers/rtc/rtc-zynqmp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/rtc/rtc-zynqmp.c b/drivers/rtc/rtc-zynqmp.c
index f440bb52be92..5da33d760419 100644
--- a/drivers/rtc/rtc-zynqmp.c
+++ b/drivers/rtc/rtc-zynqmp.c
@@ -36,7 +36,7 @@
 #define RTC_OSC_EN		BIT(24)
 #define RTC_BATT_EN		BIT(31)
 
-#define RTC_CALIB_DEF		0x198233
+#define RTC_CALIB_DEF		0x7FFF
 #define RTC_CALIB_MASK		0x1FFFFF
 #define RTC_ALRM_MASK          BIT(1)
 #define RTC_MSEC               1000
-- 
2.25.1