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

Krzysztof Kozlowski krzysztof.kozlowski at linaro.org
Wed Apr 27 23:34:24 PDT 2022


On 26/04/2022 15:21, Frank Wunderlich wrote:
> From: Frank Wunderlich <frank-w at public-files.de>
> 
> Add constants that can be used in devicetree and driver for
> PCIe v3 phy.
> 
> Signed-off-by: Frank Wunderlich <frank-w at public-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



More information about the Linux-rockchip mailing list