[PATCH 3/3] powerpc: doc/dts-bindings: update doc of FSL I2C bindings
Wolfgang Grandegger
wg at grandegger.com
Mon Jan 25 19:27:09 EST 2010
From: Wolfgang Grandegger <wg at denx.de>
This patch adds the MPC5121 to the list of supported devices,
enhances the doc of the "clock-frequency" property and removes
the obsolete "cell-index" property from the example nodes.
Signed-off-by: Wolfgang Grandegger <wg at denx.de>
---
Documentation/powerpc/dts-bindings/fsl/i2c.txt | 10 +++++-----
1 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/Documentation/powerpc/dts-bindings/fsl/i2c.txt b/Documentation/powerpc/dts-bindings/fsl/i2c.txt
index b6d2e21..2af8a05 100644
--- a/Documentation/powerpc/dts-bindings/fsl/i2c.txt
+++ b/Documentation/powerpc/dts-bindings/fsl/i2c.txt
@@ -9,8 +9,8 @@ Recommended properties :
- compatible : compatibility list with 2 entries, the first should
be "fsl,CHIP-i2c" where CHIP is the name of a compatible processor,
- e.g. mpc8313, mpc8543, mpc8544, mpc5200 or mpc5200b. The second one
- should be "fsl-i2c".
+ e.g. mpc8313, mpc8543, mpc8544, mpc5121, mpc5200 or mpc5200b. The
+ second one should be "fsl-i2c".
- interrupts : <a b> where a is the interrupt number and b is a
field that represents an encoding of the sense and level
information for the interrupt. This should be encoded based on
@@ -20,7 +20,9 @@ Recommended properties :
services interrupts for this device.
- fsl,preserve-clocking : boolean; if defined, the clock settings
from the bootloader are preserved (not touched).
- - clock-frequency : desired I2C bus clock frequency in Hz.
+ - clock-frequency : desired I2C bus clock frequency in Hz. If this
+ property and "fsl,preserve-clocking" is not defined, a safe fixed
+ clock divider value is used (resulting in a small clock frequency).
Examples :
@@ -28,7 +30,6 @@ Examples :
#address-cells = <1>;
#size-cells = <0>;
compatible = "fsl,mpc5200b-i2c","fsl,mpc5200-i2c","fsl-i2c";
- cell-index = <0>;
reg = <0x3d00 0x40>;
interrupts = <2 15 0>;
interrupt-parent = <&mpc5200_pic>;
@@ -38,7 +39,6 @@ Examples :
i2c at 3100 {
#address-cells = <1>;
#size-cells = <0>;
- cell-index = <1>;
compatible = "fsl,mpc8544-i2c", "fsl-i2c";
reg = <0x3100 0x100>;
interrupts = <43 2>;
--
1.6.2.5
More information about the devicetree-discuss
mailing list