[PATCH v2 02/16] pwm: pxa: update documentation regarding pwm-cells
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From: robh@kernel.org (Rob Herring)
Date: 2018-01-19 22:30:29
Also in:
linux-amlogic, linux-devicetree, linux-pwm, linux-rockchip, lkml
On Fri, Jan 12, 2018 at 04:22:49PM +0200, Claudiu Beznea wrote:
quoted hunk ↗ jump to hunk
pwm-cells should be at least 2 to provide channel number and period value. Cc: Mike Dunn <redacted> Signed-off-by: Claudiu Beznea <redacted> --- Documentation/devicetree/bindings/pwm/pxa-pwm.txt | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)diff --git a/Documentation/devicetree/bindings/pwm/pxa-pwm.txt b/Documentation/devicetree/bindings/pwm/pxa-pwm.txt index 5ae9f1e3c338..a0e20edeeebc 100644 --- a/Documentation/devicetree/bindings/pwm/pxa-pwm.txt +++ b/Documentation/devicetree/bindings/pwm/pxa-pwm.txt@@ -10,7 +10,7 @@ Required properties: Note that one device instance must be created for each PWM that is used, so the length covers only the register window for one PWM output, not that of the entire PWM controller. Currently length is 0x10 for all supported devices. -- #pwm-cells: Should be 1. This cell is used to specify the period in +- #pwm-cells: Should be 2. This cell is used to specify the period in nanoseconds.
What's the new cell? channel? Does the PXA PWM have more than one channel? If not, then you shouldn't add a cell. Rob