From 962fad301c33dec69324dc2d9320fd84a119a24c Mon Sep 17 00:00:00 2001 From: Swapnil Jakhade Date: Wed, 16 Sep 2020 20:28:30 +0200 Subject: [PATCH] dt-bindings: phy: cadence-torrent: Add binding to specify SSC mode Add binding to specify Spread Spectrum Clocking mode used. Signed-off-by: Swapnil Jakhade Reviewed-by: Rob Herring Link: https://lore.kernel.org/r/1600280911-9214-7-git-send-email-sjakhade@cadence.com Signed-off-by: Vinod Koul --- .../bindings/phy/phy-cadence-torrent.yaml | 9 +++++++++ include/dt-bindings/phy/phy-cadence-torrent.h | 13 +++++++++++++ 2 files changed, 22 insertions(+) create mode 100644 include/dt-bindings/phy/phy-cadence-torrent.h diff --git a/Documentation/devicetree/bindings/phy/phy-cadence-torrent.yaml b/Documentation/devicetree/bindings/phy/phy-cadence-torrent.yaml index 4071438be2ba..a7ee19d27c19 100644 --- a/Documentation/devicetree/bindings/phy/phy-cadence-torrent.yaml +++ b/Documentation/devicetree/bindings/phy/phy-cadence-torrent.yaml @@ -87,6 +87,15 @@ patternProperties: enum: [1, 2, 4] default: 4 + cdns,ssc-mode: + description: + Specifies the Spread Spectrum Clocking mode used. It can be NO_SSC, + EXTERNAL_SSC or INTERNAL_SSC. + Refer include/dt-bindings/phy/phy-cadence-torrent.h for the constants to be used. + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1, 2] + default: 0 + cdns,max-bit-rate: description: Maximum DisplayPort link bit rate to use, in Mbps diff --git a/include/dt-bindings/phy/phy-cadence-torrent.h b/include/dt-bindings/phy/phy-cadence-torrent.h new file mode 100644 index 000000000000..e387b6a95741 --- /dev/null +++ b/include/dt-bindings/phy/phy-cadence-torrent.h @@ -0,0 +1,13 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * This header provides constants for Cadence Torrent SERDES. + */ + +#ifndef _DT_BINDINGS_TORRENT_SERDES_H +#define _DT_BINDINGS_TORRENT_SERDES_H + +#define TORRENT_SERDES_NO_SSC 0 +#define TORRENT_SERDES_EXTERNAL_SSC 1 +#define TORRENT_SERDES_INTERNAL_SSC 2 + +#endif /* _DT_BINDINGS_TORRENT_SERDES_H */