linux-kernel - [PATCH v2 3/9] dt-bindings: i2c: at91: add binding for enable-dig-filtr

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <1561449642-26956-4-git-send-email-eugen.hristev@microchip.com>
Date:   Tue, 25 Jun 2019 08:04:51 +0000
From:   <Eugen.Hristev@...rochip.com>
To:     <robh+dt@...nel.org>, <mark.rutland@....com>,
        <Nicolas.Ferre@...rochip.com>, <alexandre.belloni@...tlin.com>,
        <Ludovic.Desroches@...rochip.com>, <wsa@...-dreams.de>,
        <linux-i2c@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
CC:     <Eugen.Hristev@...rochip.com>
Subject: [PATCH v2 3/9] dt-bindings: i2c: at91: add binding for
 enable-dig-filtr

From: Eugen Hristev <eugen.hristev@...rochip.com>

Add binding specificatoin for digital filter inside the i2c controller

Signed-off-by: Eugen Hristev <eugen.hristev@...rochip.com>
---
 Documentation/devicetree/bindings/i2c/i2c-at91.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/i2c/i2c-at91.txt b/Documentation/devicetree/bindings/i2c/i2c-at91.txt
index 2210f43..8268595 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-at91.txt
+++ b/Documentation/devicetree/bindings/i2c/i2c-at91.txt
@@ -20,6 +20,9 @@ Optional properties:
   capable I2C controllers.
 - i2c-sda-hold-time-ns: TWD hold time, only available for "atmel,sama5d4-i2c"
   and "atmel,sama5d2-i2c".
+- enable-dig-filt: Enable the built-in digital filter on the i2c lines,
+  specifically required depending on the hardware PCB/board and if the
+  version of the controller includes it.
 - Child nodes conforming to i2c bus binding
 
 Examples :
@@ -56,6 +59,7 @@ i2c0: i2c@...34600 {
 	clocks = <&flx0>;
 	atmel,fifo-size = <16>;
 	i2c-sda-hold-time-ns = <336>;
+	enable-dig-filt;
 
 	wm8731: wm8731@1a {
 		compatible = "wm8731";
-- 
2.7.4