From: Tali Perry <tali.perry1@gmail.com>
To: robh+dt@kernel.org, mark.rutland@arm.com, yuenn@google.com,
venture@google.com, benjaminfair@google.com,
avifishman70@gmail.com, joel@jms.id.au, tmaimon77@gmail.com,
wsa@the-dreams.de, syniurge@gmail.com
Cc: linux-i2c@vger.kernel.org, openbmc@lists.ozlabs.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
Tali Perry <tali.perry1@gmail.com>, Rob Herring <robh@kernel.org>
Subject: [PATCH v6 1/2] dt-bindings: i2c: npcm7xx: add NPCM I2C controller documentation
Date: Wed, 20 Nov 2019 09:36:21 +0200 [thread overview]
Message-ID: <20191120073622.37938-2-tali.perry1@gmail.com> (raw)
In-Reply-To: <20191120073622.37938-1-tali.perry1@gmail.com>
Added device tree binding documentation for Nuvoton BMC
NPCM I2C controller.
Signed-off-by: Tali Perry <tali.perry1@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
---
.../devicetree/bindings/i2c/i2c-npcm7xx.txt | 29 +++++++++++++++++++
1 file changed, 29 insertions(+)
create mode 100644 Documentation/devicetree/bindings/i2c/i2c-npcm7xx.txt
diff --git a/Documentation/devicetree/bindings/i2c/i2c-npcm7xx.txt b/Documentation/devicetree/bindings/i2c/i2c-npcm7xx.txt
new file mode 100644
index 000000000000..d36cc20742fd
--- /dev/null
+++ b/Documentation/devicetree/bindings/i2c/i2c-npcm7xx.txt
@@ -0,0 +1,29 @@
+Nuvoton NPCM7XX I2C bus
+
+The NPCM750x includes sixteen I2C bus controllers. All Controllers support
+both master and slave mode. Each controller has two 16 byte HW FIFO for TX and
+RX.
+
+Required properties:
+- compatible : must be "nuvoton,npcm750-i2c"
+- reg : Offset and length of the register set for the device.
+- interrupts : Contain the I2C interrupt with flags for falling edge.
+- clocks : phandle of I2C reference clock.
+
+Optional:
+- bus-frequency : Contain the I2C bus frequency,
+ the default I2C bus frequency is 100000.
+- pinctrl-0 : for example <&smbX_pins>, X is module number
+ (on NPCM7XX it's 0 to 15)
+- pinctrl-names : should be set to "default"
+Example:
+
+ i2c0: i2c@80000 {
+ compatible = "nuvoton,npcm750-i2c";
+ reg = <0x80000 0x1000>;
+ clocks = <&clk NPCM7XX_CLK_APB2>;
+ bus-frequency = <100000>;
+ interrupts = <GIC_SPI 64 IRQ_TYPE_LEVEL_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&smb0_pins>;
+ };
--
2.22.0
next prev parent reply other threads:[~2019-11-20 7:37 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-20 7:36 [PATCH v6 0/2] i2c: npcm: add NPCM i2c controller driver Tali Perry
2019-11-20 7:36 ` Tali Perry [this message]
2019-11-20 7:36 ` [PATCH v6 2/2] i2c: npcm: Add Nuvoton NPCM I2C " Tali Perry
2019-11-21 4:55 ` kbuild test robot
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