{"id":2223882,"url":"http://patchwork.ozlabs.org/api/patches/2223882/?format=json","web_url":"http://patchwork.ozlabs.org/project/rtc-linux/patch/20260416095706.3212158-2-adriana@arista.com/","project":{"id":9,"url":"http://patchwork.ozlabs.org/api/projects/9/?format=json","name":"Linux RTC development","link_name":"rtc-linux","list_id":"linux-rtc.vger.kernel.org","list_email":"linux-rtc@vger.kernel.org","web_url":"","scm_url":"","webscm_url":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260416095706.3212158-2-adriana@arista.com>","list_archive_url":null,"date":"2026-04-16T09:57:05","name":"[v2,1/2] dt-bindings: rtc: ti,bq32k: Add delay on rtc reads","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"d3860600709d48d83f9c8fa0ae3c7e68ec30fb29","submitter":{"id":91944,"url":"http://patchwork.ozlabs.org/api/people/91944/?format=json","name":"Adriana Stancu","email":"adriana@arista.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/rtc-linux/patch/20260416095706.3212158-2-adriana@arista.com/mbox/","series":[{"id":500129,"url":"http://patchwork.ozlabs.org/api/series/500129/?format=json","web_url":"http://patchwork.ozlabs.org/project/rtc-linux/list/?series=500129","date":"2026-04-16T09:57:04","name":"rtc: bq32000: Add settle delay for aggressive polling","version":2,"mbox":"http://patchwork.ozlabs.org/series/500129/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2223882/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2223882/checks/","tags":{},"related":[],"headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linux-rtc@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=arista.com header.i=@arista.com header.a=rsa-sha256\n header.s=google header.b=Aof3L7DW;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c04:e001:36c::12fc:5321; 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This ensures the hardware has sufficient idle time to update its\nbuffer, preventing stale data reads on systems where the \"interrupts\" are\nnot configured.\n\nSigned-off-by: Adriana Stancu \n---\n Documentation/devicetree/bindings/rtc/ti,bq32000.yaml | 9 +++++++++\n 1 file changed, 9 insertions(+)","diff":"diff --git a/Documentation/devicetree/bindings/rtc/ti,bq32000.yaml b/Documentation/devicetree/bindings/rtc/ti,bq32000.yaml\nindex bf9c1c4ddb7e..46403f0c85a5 100644\n--- a/Documentation/devicetree/bindings/rtc/ti,bq32000.yaml\n+++ b/Documentation/devicetree/bindings/rtc/ti,bq32000.yaml\n@@ -29,6 +29,15 @@ properties:\n \n trickle-diode-disable: true\n \n+ ti,read-settle-us:\n+ default: 0\n+ description:\n+ Delay in microseconds to wait before reading RTC registers.\n+ Aggressive I2C polling on systems without an interrupt line\n+ can prevent the BQ32000's internal refresh cycle, leading to\n+ stale data. This delay ensures the hardware has sufficient\n+ idle time to update its registers.\n+\n required:\n - compatible\n - reg\n","prefixes":["v2","1/2"]}