linux-kernel - Re: [PATCH 05/22] dt-bindings: arm: apple: Add A7 devices

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Message-ID: <20240911-surprise-sprinkler-1ca697744a95@spud>
Date: Wed, 11 Sep 2024 19:27:31 +0100
From: Conor Dooley <conor@...nel.org>
To: Nick Chan <towinchenmi@...il.com>
Cc: Hector Martin <marcan@...can.st>, Sven Peter <sven@...npeter.dev>,
	Alyssa Rosenzweig <alyssa@...enzweig.io>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	"Rafael J . Wysocki" <rafael@...nel.org>,
	Viresh Kumar <viresh.kumar@...aro.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	Wim Van Sebroeck <wim@...ux-watchdog.org>,
	Guenter Roeck <linux@...ck-us.net>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will@...nel.org>,
	Lorenzo Pieralisi <lpieralisi@...nel.org>,
	Mark Kettenis <kettenis@...nbsd.org>, asahi@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
	linux-gpio@...r.kernel.org, linux-watchdog@...r.kernel.org,
	Konrad Dybcio <konradybcio@...nel.org>,
	Ivaylo Ivanov <ivo.ivanov.ivanov1@...il.com>
Subject: Re: [PATCH 05/22] dt-bindings: arm: apple: Add A7 devices

On Thu, Sep 12, 2024 at 02:24:22AM +0800, Nick Chan wrote:
> 
> 
> On 12/9/2024 02:13, Conor Dooley wrote:
> > On Wed, Sep 11, 2024 at 04:40:55PM +0800, Nick Chan wrote:
> >> This adds the following apple,s5l8960x platforms:
> >>
> >> - iPhone 5s
> >> - iPad Air (1)
> >> - iPad Mini 2
> >> - iPad Mini 3
> >>
> >> Signed-off-by: Nick Chan <towinchenmi@...il.com>
> >> ---
> >>  .../devicetree/bindings/arm/apple.yaml        | 26 ++++++++++++++++++-
> >>  1 file changed, 25 insertions(+), 1 deletion(-)
> >>
> >> diff --git a/Documentation/devicetree/bindings/arm/apple.yaml b/Documentation/devicetree/bindings/arm/apple.yaml
> >> index 883fd67e3752..3c81008f0e96 100644
> >> --- a/Documentation/devicetree/bindings/arm/apple.yaml
> >> +++ b/Documentation/devicetree/bindings/arm/apple.yaml
> >> @@ -12,7 +12,14 @@ maintainers:
> >>  description: |
> >>    ARM platforms using SoCs designed by Apple Inc., branded "Apple Silicon".
> >>  
> >> -  This currently includes devices based on the "M1" SoC:
> >> +  This currently includes devices based on the "A7" SoC:
> >> +
> >> +  - iPhone 5s
> >> +  - iPad Air (1)
> >> +  - iPad Mini 2
> >> +  - iPad Mini 3
> >> +
> >> +  Devices based on the "M1" SoC:
> >>  
> >>    - Mac mini (M1, 2020)
> >>    - MacBook Pro (13-inch, M1, 2020)
> >> @@ -65,6 +72,23 @@ properties:
> >>      const: "/"
> >>    compatible:
> >>      oneOf:
> >> +      - description: Apple A7 SoC based platforms
> >> +        items:
> >> +          - enum:
> >> +              - apple,j71  # iPad Air (Wi-Fi)
> >> +              - apple,j72  # iPad Air (Cellular)
> >> +              - apple,j73  # iPad Air (Cellular, China)
> >> +              - apple,j85  # iPad mini 2 (Wi-Fi)
> >> +              - apple,j85m # iPad mini 3 (Wi-Fi)
> >> +              - apple,j86  # iPad mini 2 (Cellular)
> >> +              - apple,j86m # iPad mini 3 (Cellular)
> >> +              - apple,j87  # Apple iPad Mini 2 (Cellular, China)
> >> +              - apple,j87m # Apple iPad Mini 3 (Cellular, China)
> >> +              - apple,n51  # iPhone 5s (GSM)
> >> +              - apple,n53  # iPhone 5s (LTE)
> >> +          - const: apple,s5l8960x
> > 
> > Is the "x" here a wildcard?
> No. This is part of the SoC ID. This is the legacy naming from when Apple
> used Samsung SoCs for iPhones and iPods, and every SoC would have an ID
> beginning with "s5l", and ending with a "x". Apple A7 is last SoC to use
> this legacy naming scheme.

Okay, thanks for explaining.
Acked-by: Conor Dooley <conor.dooley@...rochip.com>

Cheers,
Conor.


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