linux-kernel - Re: [RFC/RFT v2 03/11] dt-bindings: phy: rockchip: add PCIe v3 constants

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Message-ID: <918f5bc9-77f6-4d65-7432-ab53aadd6734@linaro.org>
Date:   Thu, 28 Apr 2022 08:34:24 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Frank Wunderlich <linux@...web.de>,
        linux-rockchip@...ts.infradead.org
Cc:     Frank Wunderlich <frank-w@...lic-files.de>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Heiko Stuebner <heiko@...ech.de>,
        Kishon Vijay Abraham I <kishon@...com>,
        Vinod Koul <vkoul@...nel.org>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Johan Jonker <jbx6244@...il.com>,
        Peter Geis <pgwipeout@...il.com>,
        Michael Riesch <michael.riesch@...fvision.net>,
        linux-pci@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-phy@...ts.infradead.org
Subject: Re: [RFC/RFT v2 03/11] dt-bindings: phy: rockchip: add PCIe v3
 constants

On 26/04/2022 15:21, Frank Wunderlich wrote:
> From: Frank Wunderlich <frank-w@...lic-files.de>
> 
> Add constants that can be used in devicetree and driver for
> PCIe v3 phy.
> 
> Signed-off-by: Frank Wunderlich <frank-w@...lic-files.de>
> ---
> v2:
> - new patch because splitting out this file
> - rename file from snps to rockchip
> ---
>  include/dt-bindings/phy/phy-rockchip-pcie3.h | 21 ++++++++++++++++++++

Naming - vendor,device.

>  1 file changed, 21 insertions(+)
>  create mode 100644 include/dt-bindings/phy/phy-rockchip-pcie3.h
> 
> diff --git a/include/dt-bindings/phy/phy-rockchip-pcie3.h b/include/dt-bindings/phy/phy-rockchip-pcie3.h
> new file mode 100644
> index 000000000000..93e57edd337d
> --- /dev/null
> +++ b/include/dt-bindings/phy/phy-rockchip-pcie3.h
> @@ -0,0 +1,21 @@
> +/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */

s/MIT/BSD-2-clause/ just like bindings because it is part of it. Unless
you took it from something and it is already licensed like that?

> +/*
> + * Copyright (c) 2021 Rockchip Electronics Co., Ltd.
> + */
> +
> +#ifndef _DT_BINDINGS_PHY_ROCKCHIP_PCIE3
> +#define _DT_BINDINGS_PHY_ROCKCHIP_PCIE3
> +
> +/*
> + * pcie30_phy_mode[2:0]
> + * bit2: aggregation
> + * bit1: bifurcation for port 1
> + * bit0: bifurcation for port 0
> + */
> +#define PHY_MODE_PCIE_AGGREGATION 4	/* PCIe3x4 */
> +#define PHY_MODE_PCIE_NANBNB	0	/* P1:PCIe3x2  +  P0:PCIe3x2 */
> +#define PHY_MODE_PCIE_NANBBI	1	/* P1:PCIe3x2  +  P0:PCIe3x1*2 */
> +#define PHY_MODE_PCIE_NABINB	2	/* P1:PCIe3x1*2 + P0:PCIe3x2 */
> +#define PHY_MODE_PCIE_NABIBI	3	/* P1:PCIe3x1*2 + P0:PCIe3x1*2 */
> +
> +#endif /* _DT_BINDINGS_PHY_ROCKCHIP_PCIE3 */


Best regards,
Krzysztof