Message ID | 1264408029-5290-4-git-send-email-wg@grandegger.com (mailing list archive) |
---|---|
State | Superseded |
Headers | show |
On Mon, Jan 25, 2010 at 09:27:09AM +0100, Wolfgang Grandegger wrote: > From: Wolfgang Grandegger <wg@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. I think "fsl,mpc5121-i2c-ctrl" needs to be documented here, too? > > Signed-off-by: Wolfgang Grandegger <wg@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@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 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-i2c" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html
Wolfram Sang wrote: > On Mon, Jan 25, 2010 at 09:27:09AM +0100, Wolfgang Grandegger wrote: >> From: Wolfgang Grandegger <wg@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. > > I think "fsl,mpc5121-i2c-ctrl" needs to be documented here, too? Yep, Wolfgang.
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@3100 { #address-cells = <1>; #size-cells = <0>; - cell-index = <1>; compatible = "fsl,mpc8544-i2c", "fsl-i2c"; reg = <0x3100 0x100>; interrupts = <43 2>;