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Date: Thu, 28 Apr 2016 16:07:16 -0500
From: Rob Herring <robh@kernel.org>
To: Franklin S Cooper Jr <fcooper@ti.com>
Cc: thierry.reding@gmail.com, tony@atomide.com, paul@pwsan.com,
        t-kristo@ti.com, linux-pwm@vger.kernel.org, devicetree@vger.kernel.org,
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        linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org,
        vigneshr@ti.com, nsekhar@ti.com
Subject: Re: [PATCH v7 2/9] ARM: dts: am437x: Add missing compatibles to PWM
 binding documents
Message-ID: <20160428210716.GA12508@rob-hp-laptop>
References: <1461710209-6563-1-git-send-email-fcooper@ti.com>
 <1461710209-6563-3-git-send-email-fcooper@ti.com>
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On Tue, Apr 26, 2016 at 05:36:42PM -0500, Franklin S Cooper Jr wrote:
> There are several SOC specific compatibles for ECAP, EHRPWM and PWMMS
> that are in use but aren't properly documented. Therefore, fix this
> by adding the compatibles to the appropriate binding documents.
> 
> While at it make minor corrections to the binding document.
> 
> Signed-off-by: Franklin S Cooper Jr <fcooper@ti.com>
> ---
>  .../devicetree/bindings/pwm/pwm-tiecap.txt          | 12 ++++++++++--
>  .../devicetree/bindings/pwm/pwm-tiehrpwm.txt        | 12 ++++++++++--
>  .../devicetree/bindings/pwm/pwm-tipwmss.txt         | 21 +++++++++++++++++++--
>  3 files changed, 39 insertions(+), 6 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/pwm/pwm-tiecap.txt b/Documentation/devicetree/bindings/pwm/pwm-tiecap.txt
> index fb81179..788da6c 100644
> --- a/Documentation/devicetree/bindings/pwm/pwm-tiecap.txt
> +++ b/Documentation/devicetree/bindings/pwm/pwm-tiecap.txt
> @@ -2,8 +2,9 @@ TI SOC ECAP based APWM controller
>  
>  Required properties:
>  - compatible: Must be "ti,<soc>-ecap".
> -  for am33xx - compatible = "ti,am33xx-ecap";
> -  for da850  - compatible = "ti,da850-ecap", "ti,am33xx-ecap";
> +  for am33xx  - compatible = "ti,am33xx-ecap";
> +  for am4372  - compatible = "ti,am4372-ecap", "ti,am33xx-ecap";
> +  for da850   - compatible = "ti,da850-ecap", "ti,am33xx-ecap";
>  - #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.
> @@ -22,6 +23,13 @@ ecap0: ecap@0 { /* ECAP on am33xx */
>  	ti,hwmods = "ecap0";
>  };
>  
> +ecap0: ecap@0 { /* ECAP on am4372 */

The unit address is wrong.

> +	compatible = "ti,am4372-ecap", "ti,am33xx-ecap";
> +	#pwm-cells = <3>;
> +	reg = <0x48300100 0x80>;
> +	ti,hwmods = "ecap0";
> +};
> +
>  ecap0: ecap@0 { /* ECAP on da850 */
>  	compatible = "ti,da850-ecap", "ti,am33xx-ecap";
>  	#pwm-cells = <3>;
> diff --git a/Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt b/Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt
> index 9c100b2..99b544f 100644
> --- a/Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt
> +++ b/Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt
> @@ -2,8 +2,9 @@ TI SOC EHRPWM based PWM controller
>  
>  Required properties:
>  - compatible: Must be "ti,<soc>-ehrpwm".
> -  for am33xx - compatible = "ti,am33xx-ehrpwm";
> -  for da850  - compatible = "ti,da850-ehrpwm", "ti,am33xx-ehrpwm";
> +  for am33xx  - compatible = "ti,am33xx-ehrpwm";
> +  for am4372  - compatible = "ti,am4372-ehrpwm", "ti,am33xx-ehrpwm";
> +  for da850   - compatible = "ti,da850-ehrpwm", "ti,am33xx-ehrpwm";
>  - #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.
> @@ -22,6 +23,13 @@ ehrpwm0: ehrpwm@0 { /* EHRPWM on am33xx */
>  	ti,hwmods = "ehrpwm0";
>  };
>  
> +ehrpwm0: ehrpwm@0 { /* EHRPWM on am4372 */

ditto

Otherwise,

Acked-by: Rob Herring <robh@kernel.org>