Thread (5 messages) 5 messages, 3 authors, 2022-01-04

RE: [PATCH V3 1/2] dt-bindings: rtc: zynqmp: Add clock information

From: Radhey Shyam Pandey <hidden>
Date: 2021-11-30 06:37:50
Also in: linux-arm-kernel, lkml

-----Original Message-----
From: Srinivas Neeli <redacted>
Sent: Tuesday, November 30, 2021 11:26 AM
To: a.zummo@towertech.it; alexandre.belloni@bootlin.com; Michal Simek
[off-list ref]; Srinivas Goud [off-list ref]; Shubhrajyoti Datta
[off-list ref]; Radhey Shyam Pandey [off-list ref]
Cc: linux-rtc@vger.kernel.org; linux-arm-kernel@lists.infradead.org; linux-
kernel@vger.kernel.org; git [off-list ref]; Srinivas Neeli
[off-list ref]
Subject: [PATCH V3 1/2] dt-bindings: rtc: zynqmp: Add clock information

Added clock information and deprecated calibration support.
Better to also add some background for this change.
Signed-off-by: Srinivas Neeli <redacted>
Please add Rob and DT mailing list.

./scripts/get_maintainer.pl <.patch>
quoted hunk ↗ jump to hunk
---
Changes in V3:
-New patch
---
 .../bindings/rtc/xlnx,zynqmp-rtc.yaml         | 20 +++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)
diff --git a/Documentation/devicetree/bindings/rtc/xlnx,zynqmp-rtc.yaml
b/Documentation/devicetree/bindings/rtc/xlnx,zynqmp-rtc.yaml
index bdb72d3ddf2a..7e87bc1ef9df 100644
--- a/Documentation/devicetree/bindings/rtc/xlnx,zynqmp-rtc.yaml
+++ b/Documentation/devicetree/bindings/rtc/xlnx,zynqmp-rtc.yaml
@@ -26,20 +26,19 @@ properties:
   interrupts:
     minItems: 2

+  clocks:
+    items:
+      - description: rtc_clk is the operating frequency of crystal.
+
+  clock-names:
+    items:
+      - const: "rtc_clk"
+
   interrupt-names:
     items:
       - const: alarm
       - const: sec

-  calibration:
What about existing users for this property?
quoted hunk ↗ jump to hunk
-    description: |
-      calibration value for 1 sec period which will
-      be programmed directly to calibration register.
-    $ref: /schemas/types.yaml#/definitions/uint32
-    minimum: 0x1
-    maximum: 0x1FFFFF
-    default: 0x198233
-
 required:
   - compatible
   - reg
@@ -60,6 +59,7 @@ examples:
         interrupt-parent = <&gic>;
         interrupts = <0 26 4>, <0 27 4>;
         interrupt-names = "alarm", "sec";
-        calibration = <0x198233>;
+        clock-names = "rtc_clk";
+        clocks = <&rtc_clk>;
       };
     };
--
2.17.1
  
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