linux-kernel - Re: [PATCH v6 3/7] ARM: dts: am437x/am33xx/da850: Add new ECAP and EPWM bindings

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Date:	Tue, 26 Apr 2016 08:22:45 -0500
From:	"Franklin S Cooper Jr." <fcooper@...com>
To:	Rob Herring <robh@...nel.org>
CC:	<thierry.reding@...il.com>, <tony@...mide.com>, <paul@...an.com>,
	<t-kristo@...com>, <linux-pwm@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <linux-omap@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-clk@...r.kernel.org>, <devicetree@...r.kernel.org>,
	<vigneshr@...com>, <nsekhar@...com>
Subject: Re: [PATCH v6 3/7] ARM: dts: am437x/am33xx/da850: Add new ECAP and
 EPWM bindings



On 04/25/2016 08:03 AM, Rob Herring wrote:
> On Fri, Apr 22, 2016 at 11:40:34AM -0500, Franklin S Cooper Jr wrote:
>> Switch to a new ECAP and EPWM bindings that doesn't depend on hwmod to
>> provide the various required clocks.
>>
>> For AM437 and AM335x, add the required clocks explicitly to DT. The
>> hwmod entries for ECAP and EPWM will be removed and this will prevent
>> anything from breaking.
>>
>> Signed-off-by: Franklin S Cooper Jr <fcooper@...com>
>> ---
>>  .../devicetree/bindings/pwm/pwm-tiecap.txt         | 12 +++--
>>  .../devicetree/bindings/pwm/pwm-tiehrpwm.txt       | 12 +++--
>>  arch/arm/boot/dts/am33xx.dtsi                      | 30 +++++++++---
>>  arch/arm/boot/dts/am4372.dtsi                      | 54 ++++++++++++++++++----
>>  arch/arm/boot/dts/da850.dtsi                       | 15 ++++--
>>  5 files changed, 95 insertions(+), 28 deletions(-)
> 
> [...]
> 
>> diff --git a/arch/arm/boot/dts/am4372.dtsi b/arch/arm/boot/dts/am4372.dtsi
>> index 12fcde4..e858460 100644
>> --- a/arch/arm/boot/dts/am4372.dtsi
>> +++ b/arch/arm/boot/dts/am4372.dtsi
>> @@ -672,18 +672,26 @@
>>  			status = "disabled";
>>  
>>  			ecap0: ecap@...00100 {
>> -				compatible = "ti,am4372-ecap","ti,am33xx-ecap";
>> +				compatible = "ti,am4372-ecap",
> 
> This doesn't appear to be documented.
> 
>> +					     "ti,am3352-ecap",
>> +					     "ti,am33xx-ecap";
>>  				#pwm-cells = <3>;
>>  				reg = <0x48300100 0x80>;
>>  				ti,hwmods = "ecap0";
>> +				clocks = <&l4ls_gclk>;
>> +				clock-names = "fck";
>>  				status = "disabled";
>>  			};
>>  
>>  			ehrpwm0: pwm@...00200 {
>> -				compatible = "ti,am4372-ehrpwm","ti,am33xx-ehrpwm";
>> +				compatible = "ti,am4372-ehrpwm",
> 
> ditto.


Will fix
> 
>> +					     "ti,am3352-ehrpwm",
>> +					     "ti,am33xx-ehrpwm";
>>  				#pwm-cells = <3>;
>>  				reg = <0x48300200 0x80>;
>>  				ti,hwmods = "ehrpwm0";
>> +				clocks = <&ehrpwm0_tbclk>, <&l4ls_gclk>;
>> +				clock-names = "tbclk", "fck";
>>  				status = "disabled";
>>  			};
>>  		};