linux-kernel - RE: [PATCH 07/10] dt-bindings: phy: Add PHY bindings support for FSD SoC

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Message-ID: <0e2601dbcef4$57ebe0e0$07c3a2a0$@samsung.com>
Date: Tue, 27 May 2025 16:14:34 +0530
From: "Shradha Todi" <shradha.t@...sung.com>
To: "'Krzysztof Kozlowski'" <krzk@...nel.org>
Cc: <linux-pci@...r.kernel.org>, <devicetree@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>, <linux-samsung-soc@...r.kernel.or>,
	<linux-kernel@...r.kernel.org>, <linux-phy@...ts.infradead.org>,
	<manivannan.sadhasivam@...aro.org>, <lpieralisi@...nel.org>, <kw@...ux.com>,
	<robh@...nel.org>, <bhelgaas@...gle.com>, <jingoohan1@...il.com>,
	<krzk+dt@...nel.org>, <conor+dt@...nel.org>, <alim.akhtar@...sung.com>,
	<vkoul@...nel.org>, <kishon@...nel.org>, <arnd@...db.de>,
	<m.szyprowski@...sung.com>, <jh80.chung@...sung.com>
Subject: RE: [PATCH 07/10] dt-bindings: phy: Add PHY bindings support for
 FSD SoC



> -----Original Message-----
> From: Krzysztof Kozlowski <krzk@...nel.org>
> Sent: 21 May 2025 15:03
> To: Shradha Todi <shradha.t@...sung.com>
> Cc: linux-pci@...r.kernel.org; devicetree@...r.kernel.org; linux-arm-kernel@...ts.infradead.org; linux-samsung-soc@...r.kernel.or;
> linux-kernel@...r.kernel.org; linux-phy@...ts.infradead.org; manivannan.sadhasivam@...aro.org; lpieralisi@...nel.org;
> kw@...ux.com; robh@...nel.org; bhelgaas@...gle.com; jingoohan1@...il.com; krzk+dt@...nel.org; conor+dt@...nel.org;
> alim.akhtar@...sung.com; vkoul@...nel.org; kishon@...nel.org; arnd@...db.de; m.szyprowski@...sung.com;
> jh80.chung@...sung.com
> Subject: Re: [PATCH 07/10] dt-bindings: phy: Add PHY bindings support for FSD SoC
> 
> On Mon, May 19, 2025 at 01:01:49AM GMT, Shradha Todi wrote:
> > Document PHY device tree bindings for Tesla FSD SoCs.
> >
> > Signed-off-by: Shradha Todi <shradha.t@...sung.com>
> > ---
> >  .../devicetree/bindings/phy/samsung,exynos-pcie-phy.yaml  | 8
> > ++++++--
> >  1 file changed, 6 insertions(+), 2 deletions(-)
> >
> > diff --git
> > a/Documentation/devicetree/bindings/phy/samsung,exynos-pcie-phy.yaml
> > b/Documentation/devicetree/bindings/phy/samsung,exynos-pcie-phy.yaml
> > index 41df8bb08ff7..3a5bff0fb82d 100644
> > ---
> > a/Documentation/devicetree/bindings/phy/samsung,exynos-pcie-phy.yaml
> > +++ b/Documentation/devicetree/bindings/phy/samsung,exynos-pcie-phy.ya
> > +++ ml
> > @@ -15,10 +15,14 @@ properties:
> >      const: 0
> >
> >    compatible:
> > -    const: samsung,exynos5433-pcie-phy
> > +    oneOf:
> 
> Drop, that's just enumm unless you already add here more?
> 
> > +      - enum:
> > +          - samsung,exynos5433-pcie-phy
> > +          - tesla,fsd-pcie-phy
> >
> >    reg:
> > -    maxItems: 1
> > +    minItems: 1
> > +    maxItems: 2
> 
> You need to list the items and constrain existing variants. I do not get why exynos5433 gets now two MMIO ranges.
> 

Will constraint both variants with if - else

> Best regards,
> Krzysztof