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[111.184.129.17]) by smtp.gmail.com with ESMTPSA id l11sm7175037pgt.79.2021.01.14.21.53.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 Jan 2021 21:53:27 -0800 (PST) From: Ying-Chun Liu To: u-boot@lists.denx.de Cc: "Ying-Chun Liu (PaulLiu)" Subject: [PATCH v2 2/2] doc: device-tree-bindings: rtc: Abracon AB x80x i2c rtc Date: Fri, 15 Jan 2021 13:53:03 +0800 Message-Id: <20210115055303.6366-3-grandpaul@gmail.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210115055303.6366-1-grandpaul@gmail.com> References: <20210115055303.6366-1-grandpaul@gmail.com> MIME-Version: 1.0 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.34 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.102.3 at phobos.denx.de X-Virus-Status: Clean From: "Ying-Chun Liu (PaulLiu)" Document the bindings for abracon,abx80x and related compatibles. Signed-off-by: Ying-Chun Liu (PaulLiu) --- v2: nothing changed --- .../rtc/abracon,abx80x.txt | 31 +++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 doc/device-tree-bindings/rtc/abracon,abx80x.txt -- 2.29.2 diff --git a/doc/device-tree-bindings/rtc/abracon,abx80x.txt b/doc/device-tree-bindings/rtc/abracon,abx80x.txt new file mode 100644 index 0000000000..2405e35a1b --- /dev/null +++ b/doc/device-tree-bindings/rtc/abracon,abx80x.txt @@ -0,0 +1,31 @@ +Abracon ABX80X I2C ultra low power RTC/Alarm chip + +The Abracon ABX80X family consist of the ab0801, ab0803, ab0804, ab0805, ab1801, +ab1803, ab1804 and ab1805. The ab0805 is the superset of ab080x and the ab1805 +is the superset of ab180x. + +Required properties: + + - "compatible": should one of: + "abracon,abx80x" + "abracon,ab0801" + "abracon,ab0803" + "abracon,ab0804" + "abracon,ab0805" + "abracon,ab1801" + "abracon,ab1803" + "abracon,ab1804" + "abracon,ab1805" + "microcrystal,rv1805" + Using "abracon,abx80x" will enable chip autodetection. + - "reg": I2C bus address of the device + +Optional properties: + +The abx804 and abx805 have a trickle charger that is able to charge the +connected battery or supercap. Both the following properties have to be defined +and valid to enable charging: + + - "abracon,tc-diode": should be "standard" (0.6V) or "schottky" (0.3V) + - "abracon,tc-resistor": should be <0>, <3>, <6> or <11>. 0 disables the output + resistor, the other values are in kOhm.