linux-kernel - Re: [PATCH 1/4] dt-bindings: power: Add Actions Semi S900 SPS

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Date:   Sun, 24 Jun 2018 15:04:21 +0200
From:   Andreas Färber <afaerber@...e.de>
To:     Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        robh+dt@...nel.org
Cc:     liuwei@...ions-semi.com, 96boards@...obotics.com,
        devicetree@...r.kernel.org, daniel.thompson@...aro.org,
        amit.kucheria@...aro.org, hzhang@...obotics.com,
        bdong@...obotics.com, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, manivannanece23@...il.com,
        Jeff Chen <jeff.chen@...ions-semi.com>,
        "Thomas C. Liau" <thomas.liau@...ions-semi.com>
Subject: Re: [PATCH 1/4] dt-bindings: power: Add Actions Semi S900 SPS

Hi Mani,

Am 11.04.2018 um 18:40 schrieb Manivannan Sadhasivam:
> Define power domains for Actions Semi S900 SoC Smart Power System (SPS).
> 
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
> ---
>  .../devicetree/bindings/power/actions,owl-sps.txt  |  2 ++
>  include/dt-bindings/power/owl-s900-powergate.h     | 23 ++++++++++++++++++++++
>  2 files changed, 25 insertions(+)
>  create mode 100644 include/dt-bindings/power/owl-s900-powergate.h
> 
> diff --git a/Documentation/devicetree/bindings/power/actions,owl-sps.txt b/Documentation/devicetree/bindings/power/actions,owl-sps.txt
> index 78edd63641e8..a3571937b019 100644
> --- a/Documentation/devicetree/bindings/power/actions,owl-sps.txt
> +++ b/Documentation/devicetree/bindings/power/actions,owl-sps.txt
> @@ -3,11 +3,13 @@ Actions Semi Owl Smart Power System (SPS)
>  Required properties:
>  - compatible          :  "actions,s500-sps" for S500
>                           "actions,s700-sps" for S700
> +                         "actions,s900-sps" for S900
>  - reg                 :  Offset and length of the register set for the device.
>  - #power-domain-cells :  Must be 1.
>                           See macros in:
>                            include/dt-bindings/power/owl-s500-powergate.h for S500
>                            include/dt-bindings/power/owl-s700-powergate.h for S700
> +                          include/dt-bindings/power/owl-s900-powergate.h for S900
>  
>  
>  Example:
> diff --git a/include/dt-bindings/power/owl-s900-powergate.h b/include/dt-bindings/power/owl-s900-powergate.h
> new file mode 100644
> index 000000000000..f1aaf761112b
> --- /dev/null
> +++ b/include/dt-bindings/power/owl-s900-powergate.h
> @@ -0,0 +1,23 @@
> +// SPDX-License-Identifier: GPL-2.0+

checkpatch.pl warns about this line due to not using /* ... */ syntax
for headers. I could fix that up on my own, but it made me realize that
you are licensing this file under GPL-2.0+ only, whereas the .dts[i] is
supposed to be dual-licensed.

Can you please give your consent to make this

/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */

like my S500 and S700 bindings?

Question: Should it still be GPL-2.0+ or the new GPL-2.0-or-later?

Otherwise looks fine, except that I'll need a topic branch
(v4.19/s900-sps-bindings) if we want to merge the driver portion at the
same time.

Regards,
Andreas

> +/*
> + * Actions Semi S900 SPS
> + *
> + * Copyright (c) 2018 Linaro Ltd.
> + */
> +#ifndef DT_BINDINGS_POWER_OWL_S900_POWERGATE_H
> +#define DT_BINDINGS_POWER_OWL_S900_POWERGATE_H
> +
> +#define S900_PD_GPU_B	0
> +#define S900_PD_VCE	1
> +#define S900_PD_SENSOR	2
> +#define S900_PD_VDE	3
> +#define S900_PD_HDE	4
> +#define S900_PD_USB3	5
> +#define S900_PD_DDR0	6
> +#define S900_PD_DDR1	7
> +#define S900_PD_DE	8
> +#define S900_PD_NAND	9
> +#define S900_PD_USB2_H0	10
> +#define S900_PD_USB2_H1	11
> +
> +#endif
> 


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