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Message-Id: <20190425153117.16057-13-changbin.du@gmail.com>
Date: Thu, 25 Apr 2019 23:31:05 +0800
From: Changbin Du <changbin.du@...il.com>
To: rjw@...ysocki.net, Jonathan Corbet <corbet@....net>
Cc: Bjorn Helgaas <bhelgaas@...gle.com>, linux-doc@...r.kernel.org,
linux-kernel@...r.kernel.org, fenghua.yu@...el.com,
linuxppc-dev@...ts.ozlabs.org, linux-acpi@...r.kernel.org,
linux-gpio@...r.kernel.org, mchehab+samsung@...nel.org,
Changbin Du <changbin.du@...il.com>
Subject: [PATCH v6 12/24] Documentation: ACPI: move i2c-muxes.txt to firmware-guide/acpi and convert to reST
This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.
Signed-off-by: Changbin Du <changbin.du@...il.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@...nel.org>
---
Documentation/acpi/i2c-muxes.txt | 58 ------------------
.../firmware-guide/acpi/i2c-muxes.rst | 61 +++++++++++++++++++
Documentation/firmware-guide/acpi/index.rst | 3 +-
3 files changed, 63 insertions(+), 59 deletions(-)
delete mode 100644 Documentation/acpi/i2c-muxes.txt
create mode 100644 Documentation/firmware-guide/acpi/i2c-muxes.rst
diff --git a/Documentation/acpi/i2c-muxes.txt b/Documentation/acpi/i2c-muxes.txt
deleted file mode 100644
index 9fcc4f0b885e..000000000000
--- a/Documentation/acpi/i2c-muxes.txt
+++ /dev/null
@@ -1,58 +0,0 @@
-ACPI I2C Muxes
---------------
-
-Describing an I2C device hierarchy that includes I2C muxes requires an ACPI
-Device () scope per mux channel.
-
-Consider this topology:
-
-+------+ +------+
-| SMB1 |-->| MUX0 |--CH00--> i2c client A (0x50)
-| | | 0x70 |--CH01--> i2c client B (0x50)
-+------+ +------+
-
-which corresponds to the following ASL:
-
-Device (SMB1)
-{
- Name (_HID, ...)
- Device (MUX0)
- {
- Name (_HID, ...)
- Name (_CRS, ResourceTemplate () {
- I2cSerialBus (0x70, ControllerInitiated, I2C_SPEED,
- AddressingMode7Bit, "^SMB1", 0x00,
- ResourceConsumer,,)
- }
-
- Device (CH00)
- {
- Name (_ADR, 0)
-
- Device (CLIA)
- {
- Name (_HID, ...)
- Name (_CRS, ResourceTemplate () {
- I2cSerialBus (0x50, ControllerInitiated, I2C_SPEED,
- AddressingMode7Bit, "^CH00", 0x00,
- ResourceConsumer,,)
- }
- }
- }
-
- Device (CH01)
- {
- Name (_ADR, 1)
-
- Device (CLIB)
- {
- Name (_HID, ...)
- Name (_CRS, ResourceTemplate () {
- I2cSerialBus (0x50, ControllerInitiated, I2C_SPEED,
- AddressingMode7Bit, "^CH01", 0x00,
- ResourceConsumer,,)
- }
- }
- }
- }
-}
diff --git a/Documentation/firmware-guide/acpi/i2c-muxes.rst b/Documentation/firmware-guide/acpi/i2c-muxes.rst
new file mode 100644
index 000000000000..3a8997ccd7c4
--- /dev/null
+++ b/Documentation/firmware-guide/acpi/i2c-muxes.rst
@@ -0,0 +1,61 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+==============
+ACPI I2C Muxes
+==============
+
+Describing an I2C device hierarchy that includes I2C muxes requires an ACPI
+Device () scope per mux channel.
+
+Consider this topology::
+
+ +------+ +------+
+ | SMB1 |-->| MUX0 |--CH00--> i2c client A (0x50)
+ | | | 0x70 |--CH01--> i2c client B (0x50)
+ +------+ +------+
+
+which corresponds to the following ASL::
+
+ Device (SMB1)
+ {
+ Name (_HID, ...)
+ Device (MUX0)
+ {
+ Name (_HID, ...)
+ Name (_CRS, ResourceTemplate () {
+ I2cSerialBus (0x70, ControllerInitiated, I2C_SPEED,
+ AddressingMode7Bit, "^SMB1", 0x00,
+ ResourceConsumer,,)
+ }
+
+ Device (CH00)
+ {
+ Name (_ADR, 0)
+
+ Device (CLIA)
+ {
+ Name (_HID, ...)
+ Name (_CRS, ResourceTemplate () {
+ I2cSerialBus (0x50, ControllerInitiated, I2C_SPEED,
+ AddressingMode7Bit, "^CH00", 0x00,
+ ResourceConsumer,,)
+ }
+ }
+ }
+
+ Device (CH01)
+ {
+ Name (_ADR, 1)
+
+ Device (CLIB)
+ {
+ Name (_HID, ...)
+ Name (_CRS, ResourceTemplate () {
+ I2cSerialBus (0x50, ControllerInitiated, I2C_SPEED,
+ AddressingMode7Bit, "^CH01", 0x00,
+ ResourceConsumer,,)
+ }
+ }
+ }
+ }
+ }
diff --git a/Documentation/firmware-guide/acpi/index.rst b/Documentation/firmware-guide/acpi/index.rst
index d1d069b26bbc..1c89888f6ee8 100644
--- a/Documentation/firmware-guide/acpi/index.rst
+++ b/Documentation/firmware-guide/acpi/index.rst
@@ -12,4 +12,5 @@ ACPI Support
osi
method-customizing
DSD-properties-rules
- gpio-properties
\ No newline at end of file
+ gpio-properties
+ i2c-muxes
--
2.20.1
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