From: Jae Hyun Yoo <jae.hyun.yoo@linux.intel.com>
To: Rob Herring <robh+dt@kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Lee Jones <lee.jones@linaro.org>,
Jean Delvare <jdelvare@suse.com>,
Guenter Roeck <linux@roeck-us.net>,
Mark Rutland <mark.rutland@arm.com>,
Joel Stanley <joel@jms.id.au>, Andrew Jeffery <andrew@aj.id.au>,
Jonathan Corbet <corbet@lwn.net>,
Gustavo Pimentel <gustavo.pimentel@synopsys.com>,
Kishon Vijay Abraham I <kishon@ti.com>,
Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
"Darrick J . Wong" <darrick.wong@oracle.com>,
Eric Sandeen <sandeen@redhat.com>, Arnd Bergmann <arnd@arndb.de>,
Wu Hao <hao.wu@intel.com>,
Tomohiro Kusumi <kusumi.tomohiro@gmail.com>,
"Bryant G . Ly" <bryantly@linux.vnet.ibm.com>,
Frederic Barrat <fbarrat@linux.vnet.ibm.com>,
"David S . Miller" <davem@davemloft.net>,
Mauro Carvalho Chehab <mchehab+samsung@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Randy Dunlap <rdunlap@infradead.org>,
Philippe Ombredanne <pombredanne@nexb.com>,
Vinod Koul <vkoul@kernel.org>,
Stephen Boyd <sboyd@codeaurora.org>,
David Kershner <david.kershner@unisys.com>,
Uwe Kleine-Konig <u.kleine-koenig@pengutronix.de>,
Sagar Dharia <sdharia@codeaurora.org>,
Johan Hovold <johan@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Juergen Gross <jgross@suse.com>,
Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>,
Tomer Maimon <tmaimon77@gmail.com>
Cc: linux-hwmon@vger.kernel.org, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org,
openbmc@lists.ozlabs.org,
Jae Hyun Yoo <jae.hyun.yoo@linux.intel.com>
Subject: [PATCH v11 07/14] dt-bindings: peci: add NPCM PECI documentation
Date: Wed, 11 Dec 2019 11:46:17 -0800 [thread overview]
Message-ID: <20191211194624.2872-8-jae.hyun.yoo@linux.intel.com> (raw)
In-Reply-To: <20191211194624.2872-1-jae.hyun.yoo@linux.intel.com>
From: Tomer Maimon <tmaimon77@gmail.com>
Added device tree binding documentation for Nuvoton BMC
NPCM Platform Environment Control Interface(PECI).
Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
Signed-off-by: Jae Hyun Yoo <jae.hyun.yoo@linux.intel.com>
---
Changes since v10:
- Newly added in v11.
.../devicetree/bindings/peci/peci-npcm.yaml | 102 ++++++++++++++++++
1 file changed, 102 insertions(+)
create mode 100644 Documentation/devicetree/bindings/peci/peci-npcm.yaml
diff --git a/Documentation/devicetree/bindings/peci/peci-npcm.yaml b/Documentation/devicetree/bindings/peci/peci-npcm.yaml
new file mode 100644
index 000000000000..bcd5626e68e7
--- /dev/null
+++ b/Documentation/devicetree/bindings/peci/peci-npcm.yaml
@@ -0,0 +1,102 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/peci/peci-npcm.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Nuvoton NPCM PECI Bus Device Tree Bindings
+
+maintainers:
+ - Tomer Maimon <tmaimon77@gmail.com>
+
+properties:
+ compatible:
+ const: nuvoton,npcm750-peci # for the NPCM7XX BMC.
+
+ reg:
+ maxItems: 1
+
+ "#address-cells":
+ # Required to define a client address.
+ const: 1
+
+ "#size-cells":
+ # Required to define a client address.
+ const: 0
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ # PECI reference clock.
+ maxItems: 1
+
+ cmd-timeout-ms:
+ # Command timeout in units of ms.
+ allOf:
+ - $ref: /schemas/types.yaml#/definitions/uint32
+ - minimum: 1
+ maximum: 60000
+ default: 1000
+
+ pull-down:
+ description: |
+ Defines the PECI I/O internal pull down operation.
+ 0: pull down always enable
+ 1: pull down only during transactions.
+ 2: pull down always disable.
+ allOf:
+ - $ref: /schemas/types.yaml#/definitions/uint32
+ - minimum: 0
+ maximum: 2
+ default: 0
+
+ host-neg-bit-rate:
+ description: |
+ Define host negotiation bit rate divider.
+ the host negotiation bit rate calculate with formula:
+ clock frequency[Hz] / [4 x {host-neg-bit-rate + 1}]
+ allOf:
+ - $ref: /schemas/types.yaml#/definitions/uint32
+ - minimum: 7
+ maximum: 31
+ default: 15
+
+ high-volt-range:
+ description: |
+ Adapts PECI I/O interface to voltage range.
+ 0: PECI I/O interface voltage range of 0.8-1.06V (default)
+ 1: PECI I/O interface voltage range of 0.95-1.26V
+ type: boolean
+
+required:
+ - compatible
+ - reg
+ - "#address-cells"
+ - "#size-cells"
+ - interrupts
+ - clocks
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/clock/nuvoton,npcm7xx-clock.h>
+ peci: bus@100000 {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0x0 0x100000 0x200>;
+
+ peci0: peci-bus@0 {
+ compatible = "nuvoton,npcm750-peci";
+ reg = <0x0 0x200>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ interrupts = <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&clk NPCM7XX_CLK_APB3>;
+ cmd-timeout-ms = <1000>;
+ pull-down = <0>;
+ host-neg-bit-rate = <15>;
+ };
+ };
+...
--
2.17.1
next prev parent reply other threads:[~2019-12-11 19:46 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-11 19:46 [PATCH v11 00/14] PECI device driver introduction Jae Hyun Yoo
2019-12-11 19:46 ` [PATCH v11 01/14] dt-bindings: Add PECI subsystem document Jae Hyun Yoo
2019-12-18 2:52 ` Rob Herring
2019-12-18 23:12 ` Jae Hyun Yoo
2019-12-11 19:46 ` [PATCH v11 02/14] Documentation: ioctl: Add ioctl numbers for PECI subsystem Jae Hyun Yoo
2019-12-11 19:46 ` [PATCH v11 03/14] peci: Add support for PECI bus driver core Jae Hyun Yoo
2019-12-11 20:18 ` Andy Shevchenko
2019-12-12 0:46 ` Jae Hyun Yoo
2019-12-11 19:46 ` [PATCH v11 04/14] dt-bindings: Add bindings document of Aspeed PECI adapter Jae Hyun Yoo
2019-12-18 2:57 ` Rob Herring
2019-12-18 23:21 ` Jae Hyun Yoo
2019-12-11 19:46 ` [PATCH v11 05/14] ARM: dts: aspeed: Add PECI node Jae Hyun Yoo
2019-12-11 19:46 ` [PATCH v11 06/14] peci: Add Aspeed PECI adapter driver Jae Hyun Yoo
2019-12-11 20:28 ` Andy Shevchenko
2019-12-12 0:50 ` Jae Hyun Yoo
2019-12-12 8:47 ` Andy Shevchenko
2019-12-12 18:51 ` Jae Hyun Yoo
2019-12-11 19:46 ` Jae Hyun Yoo [this message]
2019-12-18 14:42 ` [PATCH v11 07/14] dt-bindings: peci: add NPCM PECI documentation Rob Herring
2019-12-18 23:30 ` Jae Hyun Yoo
2019-12-11 19:46 ` [PATCH v11 08/14] ARM: dts: npcm7xx: Add PECI node Jae Hyun Yoo
2019-12-11 19:46 ` [PATCH v11 09/14] peci: npcm: add NPCM PECI driver Jae Hyun Yoo
2019-12-11 19:46 ` [PATCH v11 10/14] dt-bindings: mfd: Add Intel PECI client bindings document Jae Hyun Yoo
2019-12-11 19:46 ` [PATCH v11 11/14] mfd: intel-peci-client: Add Intel PECI client driver Jae Hyun Yoo
2019-12-16 16:01 ` Lee Jones
2019-12-16 21:57 ` Jae Hyun Yoo
2019-12-11 19:46 ` [PATCH v11 12/14] Documentation: hwmon: Add documents for PECI hwmon drivers Jae Hyun Yoo
2019-12-11 19:46 ` [PATCH v11 13/14] hwmon: Add PECI cputemp driver Jae Hyun Yoo
2019-12-13 6:24 ` Guenter Roeck
2019-12-16 20:43 ` Jae Hyun Yoo
2019-12-11 19:46 ` [PATCH v11 14/14] hwmon: Add PECI dimmtemp driver Jae Hyun Yoo
2019-12-13 6:32 ` Guenter Roeck
2019-12-16 21:04 ` Jae Hyun Yoo
2019-12-16 21:21 ` Guenter Roeck
2019-12-16 22:17 ` Jae Hyun Yoo
2019-12-16 23:27 ` Guenter Roeck
2019-12-16 23:31 ` Jae Hyun Yoo
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