From: Tomer Maimon <tmaimon77@gmail.com>
To: robh+dt@kernel.org, mark.rutland@arm.com, arnd@arnd.de,
gregkh@linuxfoundation.org, avifishman70@gmail.com,
yuenn@google.com, brendanhiggins@google.com, venture@google.com,
joel@jms.id.au
Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-hwmon@vger.kernel.org, openbmc@lists.ozlabs.org,
Tomer Maimon <tmaimon77@gmail.com>
Subject: [PATCH v1 1/2] dt-binding: bmc: Add NPCM7xx LPC BPC documentation
Date: Wed, 4 Jul 2018 12:14:26 +0300 [thread overview]
Message-ID: <20180704091427.409971-2-tmaimon77@gmail.com> (raw)
In-Reply-To: <20180704091427.409971-1-tmaimon77@gmail.com>
Added device tree binding documentation for Nuvoton BMC
NPCM7xx BIOS Post Code (BPC).
The NPCM7xx BPC monitoring two configurable I/O addresses
written by the host on Low Pin Count (LPC) bus.
Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
---
.../devicetree/bindings/bmc/npcm7xx-lpc-bpc.txt | 26 ++++++++++++++++++++++
1 file changed, 26 insertions(+)
create mode 100644 Documentation/devicetree/bindings/bmc/npcm7xx-lpc-bpc.txt
diff --git a/Documentation/devicetree/bindings/bmc/npcm7xx-lpc-bpc.txt b/Documentation/devicetree/bindings/bmc/npcm7xx-lpc-bpc.txt
new file mode 100644
index 000000000000..0832c9cbea32
--- /dev/null
+++ b/Documentation/devicetree/bindings/bmc/npcm7xx-lpc-bpc.txt
@@ -0,0 +1,26 @@
+Nuvoton NPCM7xx LPC BPC interface
+
+Nuvoton BMC NPCM7xx BIOS Post Code (BPC) monitoring two
+configurable I/O addresses written by the host on the
+Low Pin Count (LPC) bus, the capure data stored in 128-word FIFO.
+
+NPCM7xx BPC supports capture double words, when using capture
+double word only I/O address 1 is monitored.
+
+Required properties for lpc_bpc node
+- compatible : "nuvoton,npcm750-lpc-bpc" for Poleg NPCM7XX.
+- reg : specifies physical base address and size of the registers.
+- interrupts : contain the LPC BPC with flags for falling edge.
+- monitor-ports : contain monitor I/O addresses, at least one monitor I/O
+ address required
+
+Optional property for lpc_bpc node
+- bpc-en-dwcapture : enable capture double words support.
+
+Example:
+ lpc_bpc: lpc-bpc@f0007040 {
+ compatible = "nuvoton,npcm7xx-lpc-bpc";
+ reg = <0xf0007040 0x14>;
+ monitor-ports = <0x80>;
+ interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>;
+ };
--
2.14.1
next prev parent reply other threads:[~2018-07-04 9:15 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-04 9:14 [PATCH v1 0/2] misc: Add NPCM7xx LPC BPC driver support Tomer Maimon
2018-07-04 9:14 ` Tomer Maimon [this message]
2018-07-11 20:21 ` [PATCH v1 1/2] dt-binding: bmc: Add NPCM7xx LPC BPC documentation Rob Herring
2018-07-16 2:50 ` Andrew Jeffery
2018-07-04 9:14 ` [PATCH v1 2/2] misc: npcm7xx: add NPCM7xx LPC BPC driver Tomer Maimon
2018-07-16 11:33 ` Greg KH
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