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authorLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>2013-07-17 22:54:23 (GMT)
committerThierry Reding <thierry.reding@gmail.com>2013-09-03 11:08:10 (GMT)
commitebeec0af5b29635b847f5a7a17de1900193d0257 (patch)
tree0fe4464200d61b3fd7c25f9a9ac960adc40a4184 /Documentation/devicetree/bindings/pwm
parent208be7698fe39d54242348aef375fd86180c4506 (diff)
pwm: Update DT bindings to reference pwm.txt for cells documentation
The PWM client cells format is documented in the generic pwm.txt documentation and duplicated in all PWM driver bindings. Remove duplicate information and reference pwm.txt instead. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Reviewed-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Diffstat (limited to 'Documentation/devicetree/bindings/pwm')
-rw-r--r--Documentation/devicetree/bindings/pwm/atmel-tcb-pwm.txt8
-rw-r--r--Documentation/devicetree/bindings/pwm/imx-pwm.txt4
-rw-r--r--Documentation/devicetree/bindings/pwm/mxs-pwm.txt4
-rw-r--r--Documentation/devicetree/bindings/pwm/nvidia,tegra20-pwm.txt5
-rw-r--r--Documentation/devicetree/bindings/pwm/nxp,pca9685-pwm.txt4
-rw-r--r--Documentation/devicetree/bindings/pwm/pwm-samsung.txt10
-rw-r--r--Documentation/devicetree/bindings/pwm/pwm-tiecap.txt8
-rw-r--r--Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt8
-rw-r--r--Documentation/devicetree/bindings/pwm/spear-pwm.txt5
-rw-r--r--Documentation/devicetree/bindings/pwm/ti,twl-pwm.txt4
-rw-r--r--Documentation/devicetree/bindings/pwm/ti,twl-pwmled.txt4
-rw-r--r--Documentation/devicetree/bindings/pwm/vt8500-pwm.txt8
12 files changed, 29 insertions, 43 deletions
diff --git a/Documentation/devicetree/bindings/pwm/atmel-tcb-pwm.txt b/Documentation/devicetree/bindings/pwm/atmel-tcb-pwm.txt
index de0eaed..8031148 100644
--- a/Documentation/devicetree/bindings/pwm/atmel-tcb-pwm.txt
+++ b/Documentation/devicetree/bindings/pwm/atmel-tcb-pwm.txt
@@ -2,11 +2,9 @@ Atmel TCB PWM controller
Required properties:
- compatible: should be "atmel,tcb-pwm"
-- #pwm-cells: Should be 3. The first cell specifies the per-chip index
- of the PWM to use, the second cell is the period in nanoseconds and
- bit 0 in the third cell is used to encode the polarity of PWM output.
- Set bit 0 of the third cell in PWM specifier to 1 for inverse polarity &
- set to 0 for normal polarity.
+- #pwm-cells: should be 3. See pwm.txt in this directory for a description of
+ the cells format. The only third cell flag supported by this binding is
+ PWM_POLARITY_INVERTED.
- tc-block: The Timer Counter block to use as a PWM chip.
Example:
diff --git a/Documentation/devicetree/bindings/pwm/imx-pwm.txt b/Documentation/devicetree/bindings/pwm/imx-pwm.txt
index 8522bfb..b50d7a6d 100644
--- a/Documentation/devicetree/bindings/pwm/imx-pwm.txt
+++ b/Documentation/devicetree/bindings/pwm/imx-pwm.txt
@@ -3,8 +3,8 @@ Freescale i.MX PWM controller
Required properties:
- compatible: should be "fsl,<soc>-pwm"
- reg: physical base address and length of the controller's registers
-- #pwm-cells: should be 2. The first cell specifies the per-chip index
- of the PWM to use and the second cell is the period in nanoseconds.
+- #pwm-cells: should be 2. See pwm.txt in this directory for a description of
+ the cells format.
- interrupts: The interrupt for the pwm controller
Example:
diff --git a/Documentation/devicetree/bindings/pwm/mxs-pwm.txt b/Documentation/devicetree/bindings/pwm/mxs-pwm.txt
index 9e3f8f1..96cdde5 100644
--- a/Documentation/devicetree/bindings/pwm/mxs-pwm.txt
+++ b/Documentation/devicetree/bindings/pwm/mxs-pwm.txt
@@ -3,8 +3,8 @@ Freescale MXS PWM controller
Required properties:
- compatible: should be "fsl,imx23-pwm"
- reg: physical base address and length of the controller's registers
-- #pwm-cells: should be 2. The first cell specifies the per-chip index
- of the PWM to use and the second cell is the period in nanoseconds.
+- #pwm-cells: should be 2. See pwm.txt in this directory for a description of
+ the cells format.
- fsl,pwm-number: the number of PWM devices
Example:
diff --git a/Documentation/devicetree/bindings/pwm/nvidia,tegra20-pwm.txt b/Documentation/devicetree/bindings/pwm/nvidia,tegra20-pwm.txt
index 01438ec..c3fc57a 100644
--- a/Documentation/devicetree/bindings/pwm/nvidia,tegra20-pwm.txt
+++ b/Documentation/devicetree/bindings/pwm/nvidia,tegra20-pwm.txt
@@ -5,9 +5,8 @@ Required properties:
- "nvidia,tegra20-pwm"
- "nvidia,tegra30-pwm"
- reg: physical base address and length of the controller's registers
-- #pwm-cells: On Tegra the number of cells used to specify a PWM is 2. The
- first cell specifies the per-chip index of the PWM to use and the second
- cell is the period in nanoseconds.
+- #pwm-cells: should be 2. See pwm.txt in this directory for a description of
+ the cells format.
Example:
diff --git a/Documentation/devicetree/bindings/pwm/nxp,pca9685-pwm.txt b/Documentation/devicetree/bindings/pwm/nxp,pca9685-pwm.txt
index 1e3dfe7..f84ec9d 100644
--- a/Documentation/devicetree/bindings/pwm/nxp,pca9685-pwm.txt
+++ b/Documentation/devicetree/bindings/pwm/nxp,pca9685-pwm.txt
@@ -3,8 +3,8 @@ NXP PCA9685 16-channel 12-bit PWM LED controller
Required properties:
- compatible: "nxp,pca9685-pwm"
- - #pwm-cells: should be 2. The first cell specifies the per-chip index
- of the PWM to use and the second cell is the period in nanoseconds.
+ - #pwm-cells: Should be 2. See pwm.txt in this directory for a description of
+ the cells format.
The index 16 is the ALLCALL channel, that sets all PWM channels at the same
time.
diff --git a/Documentation/devicetree/bindings/pwm/pwm-samsung.txt b/Documentation/devicetree/bindings/pwm/pwm-samsung.txt
index ac67c68..4caa1a7 100644
--- a/Documentation/devicetree/bindings/pwm/pwm-samsung.txt
+++ b/Documentation/devicetree/bindings/pwm/pwm-samsung.txt
@@ -19,13 +19,9 @@ Required properties:
- reg: base address and size of register area
- interrupts: list of timer interrupts (one interrupt per timer, starting at
timer 0)
-- #pwm-cells: number of cells used for PWM specifier - must be 3
- the specifier format is as follows:
- - phandle to PWM controller node
- - index of PWM channel (from 0 to 4)
- - PWM signal period in nanoseconds
- - bitmask of optional PWM flags:
- 0x1 - invert PWM signal
+- #pwm-cells: should be 3. See pwm.txt in this directory for a description of
+ the cells format. The only third cell flag supported by this binding is
+ PWM_POLARITY_INVERTED.
Optional properties:
- samsung,pwm-outputs: list of PWM channels used as PWM outputs on particular
diff --git a/Documentation/devicetree/bindings/pwm/pwm-tiecap.txt b/Documentation/devicetree/bindings/pwm/pwm-tiecap.txt
index 681afad..fb81179 100644
--- a/Documentation/devicetree/bindings/pwm/pwm-tiecap.txt
+++ b/Documentation/devicetree/bindings/pwm/pwm-tiecap.txt
@@ -4,11 +4,9 @@ Required properties:
- compatible: Must be "ti,<soc>-ecap".
for am33xx - compatible = "ti,am33xx-ecap";
for da850 - compatible = "ti,da850-ecap", "ti,am33xx-ecap";
-- #pwm-cells: Should be 3. Number of cells being used to specify PWM property.
- First cell specifies the per-chip index of the PWM to use, the second
- cell is the period in nanoseconds and bit 0 in the third cell is used to
- encode the polarity of PWM output. Set bit 0 of the third in PWM specifier
- to 1 for inverse polarity & set to 0 for normal polarity.
+- #pwm-cells: should be 3. See pwm.txt in this directory for a description of
+ the cells format. The PWM channel index ranges from 0 to 4. The only third
+ cell flag supported by this binding is PWM_POLARITY_INVERTED.
- reg: physical base address and size of the registers map.
Optional properties:
diff --git a/Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt b/Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt
index 337c6fc..9c100b2 100644
--- a/Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt
+++ b/Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt
@@ -4,11 +4,9 @@ Required properties:
- compatible: Must be "ti,<soc>-ehrpwm".
for am33xx - compatible = "ti,am33xx-ehrpwm";
for da850 - compatible = "ti,da850-ehrpwm", "ti,am33xx-ehrpwm";
-- #pwm-cells: Should be 3. Number of cells being used to specify PWM property.
- First cell specifies the per-chip index of the PWM to use, the second
- cell is the period in nanoseconds and bit 0 in the third cell is used to
- encode the polarity of PWM output. Set bit 0 of the third in PWM specifier
- to 1 for inverse polarity & set to 0 for normal polarity.
+- #pwm-cells: should be 3. See pwm.txt in this directory for a description of
+ the cells format. The only third cell flag supported by this binding is
+ PWM_POLARITY_INVERTED.
- reg: physical base address and size of the registers map.
Optional properties:
diff --git a/Documentation/devicetree/bindings/pwm/spear-pwm.txt b/Documentation/devicetree/bindings/pwm/spear-pwm.txt
index 3ac779d..b486de2 100644
--- a/Documentation/devicetree/bindings/pwm/spear-pwm.txt
+++ b/Documentation/devicetree/bindings/pwm/spear-pwm.txt
@@ -5,9 +5,8 @@ Required properties:
- "st,spear320-pwm"
- "st,spear1340-pwm"
- reg: physical base address and length of the controller's registers
-- #pwm-cells: number of cells used to specify PWM which is fixed to 2 on
- SPEAr. The first cell specifies the per-chip index of the PWM to use and
- the second cell is the period in nanoseconds.
+- #pwm-cells: should be 2. See pwm.txt in this directory for a description of
+ the cells format.
Example:
diff --git a/Documentation/devicetree/bindings/pwm/ti,twl-pwm.txt b/Documentation/devicetree/bindings/pwm/ti,twl-pwm.txt
index 2943ee5..4e32bee 100644
--- a/Documentation/devicetree/bindings/pwm/ti,twl-pwm.txt
+++ b/Documentation/devicetree/bindings/pwm/ti,twl-pwm.txt
@@ -6,8 +6,8 @@ On TWL6030 series: PWM0 and PWM1
Required properties:
- compatible: "ti,twl4030-pwm" or "ti,twl6030-pwm"
-- #pwm-cells: should be 2. The first cell specifies the per-chip index
- of the PWM to use and the second cell is the period in nanoseconds.
+- #pwm-cells: should be 2. See pwm.txt in this directory for a description of
+ the cells format.
Example:
diff --git a/Documentation/devicetree/bindings/pwm/ti,twl-pwmled.txt b/Documentation/devicetree/bindings/pwm/ti,twl-pwmled.txt
index cb64f3a..9f4b460 100644
--- a/Documentation/devicetree/bindings/pwm/ti,twl-pwmled.txt
+++ b/Documentation/devicetree/bindings/pwm/ti,twl-pwmled.txt
@@ -6,8 +6,8 @@ On TWL6030 series: LED PWM (mainly used as charging indicator LED)
Required properties:
- compatible: "ti,twl4030-pwmled" or "ti,twl6030-pwmled"
-- #pwm-cells: should be 2. The first cell specifies the per-chip index
- of the PWM to use and the second cell is the period in nanoseconds.
+- #pwm-cells: should be 2. See pwm.txt in this directory for a description of
+ the cells format.
Example:
diff --git a/Documentation/devicetree/bindings/pwm/vt8500-pwm.txt b/Documentation/devicetree/bindings/pwm/vt8500-pwm.txt
index d21d82d..a76390e 100644
--- a/Documentation/devicetree/bindings/pwm/vt8500-pwm.txt
+++ b/Documentation/devicetree/bindings/pwm/vt8500-pwm.txt
@@ -3,11 +3,9 @@ VIA/Wondermedia VT8500/WM8xxx series SoC PWM controller
Required properties:
- compatible: should be "via,vt8500-pwm"
- reg: physical base address and length of the controller's registers
-- #pwm-cells: Should be 3. Number of cells being used to specify PWM property.
- First cell specifies the per-chip index of the PWM to use, the second
- cell is the period in nanoseconds and bit 0 in the third cell is used to
- encode the polarity of PWM output. Set bit 0 of the third in PWM specifier
- to 1 for inverse polarity & set to 0 for normal polarity.
+- #pwm-cells: should be 3. See pwm.txt in this directory for a description of
+ the cells format. The only third cell flag supported by this binding is
+ PWM_POLARITY_INVERTED.
- clocks: phandle to the PWM source clock
Example:

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