From: Tali Perry <tali.perry1@gmail.com>
To: ofery@google.com, brendanhiggins@google.com,
avifishman70@gmail.com, tmaimon77@gmail.com, kfting@nuvoton.com,
venture@google.com, yuenn@google.com, benjaminfair@google.com,
robh+dt@kernel.org, wsa@the-dreams.de,
andriy.shevchenko@linux.intel.com
Cc: linux-arm-kernel@lists.infradead.org, linux-i2c@vger.kernel.org,
openbmc@lists.ozlabs.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, Tali Perry <tali.perry1@gmail.com>
Subject: [PATCH v12 1/3] dt-bindings: i2c: npcm7xx: add NPCM I2C controller
Date: Thu, 21 May 2020 14:09:08 +0300 [thread overview]
Message-ID: <20200521110910.45518-2-tali.perry1@gmail.com> (raw)
In-Reply-To: <20200521110910.45518-1-tali.perry1@gmail.com>
Added device tree binding documentation for Nuvoton BMC
NPCM I2C controller.
Signed-off-by: Tali Perry <tali.perry1@gmail.com>
---
.../bindings/i2c/nuvoton,npcm7xx-i2c.yaml | 62 +++++++++++++++++++
1 file changed, 62 insertions(+)
create mode 100644 Documentation/devicetree/bindings/i2c/nuvoton,npcm7xx-i2c.yaml
diff --git a/Documentation/devicetree/bindings/i2c/nuvoton,npcm7xx-i2c.yaml b/Documentation/devicetree/bindings/i2c/nuvoton,npcm7xx-i2c.yaml
new file mode 100644
index 000000000000..fb4293f11461
--- /dev/null
+++ b/Documentation/devicetree/bindings/i2c/nuvoton,npcm7xx-i2c.yaml
@@ -0,0 +1,62 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/i2c/nuvoton,npcm7xx-i2c.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: nuvoton NPCM7XX I2C Controller Device Tree Bindings
+
+description: |
+ The NPCM750x includes sixteen I2C bus controllers. All Controllers support
+ both master and slave mode. Each controller can switch between master and slave
+ at run time (i.e. IPMB mode). Each controller has two 16 byte HW FIFO for TX and
+ RX.
+
+maintainers:
+ - Tali Perry <tali.perry1@gmail.com>
+
+properties:
+ compatible:
+ enum:
+ - nuvoton,npcm7xx-i2c
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+ description: Reference clock for the I2C bus
+
+ bus-frequency:
+ description: Desired I2C bus clock frequency in Hz. If not specified,
+ the default 100 kHz frequency will be used.
+ possible values are 100000, 400000 and 1000000.
+ default: 100000
+ enum: [100000, 400000, 1000000]
+
+required:
+ - compatible
+ - reg
+ - interrupts
+
+allOf:
+ - $ref: /schemas/i2c/i2c-controller.yaml#
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ 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:[~2020-05-21 11:10 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-21 11:09 [PATCH v12 0/3] i2c: npcm7xx: add NPCM i2c controller driver Tali Perry
2020-05-21 11:09 ` Tali Perry [this message]
2020-05-21 19:58 ` [PATCH v12 1/3] dt-bindings: i2c: npcm7xx: add NPCM I2C controller robh
2020-05-21 11:09 ` [PATCH v12 2/3] i2c: npcm7xx: Add Nuvoton NPCM I2C controller driver Tali Perry
2020-05-21 14:23 ` Andy Shevchenko
2020-05-21 14:31 ` Wolfram Sang
2020-05-21 14:45 ` Tali Perry
2020-05-21 14:53 ` Andy Shevchenko
2020-05-21 20:37 ` Wolfram Sang
2020-05-21 20:47 ` Tali Perry
2020-05-21 21:21 ` Wolfram Sang
2020-05-22 14:45 ` Wolfram Sang
2020-05-21 11:09 ` [PATCH v12 3/3] i2c: npcm7xx: Add support for slave mode for Nuvoton Tali Perry
2020-05-21 14:36 ` Andy Shevchenko
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