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Message-Id: <20250912-clk-ssc-version1-v3-1-fd1e07476ba1@nxp.com> Date: Fri, 12 Sep 2025 11:35:50 +0800 From: Peng Fan <peng.fan@....com> To: Michael Turquette <mturquette@...libre.com>, Stephen Boyd <sboyd@...nel.org>, Sudeep Holla <sudeep.holla@....com>, Cristian Marussi <cristian.marussi@....com>, Marco Felsch <m.felsch@...gutronix.de>, Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, Brian Masney <bmasney@...hat.com> Cc: Dan Carpenter <dan.carpenter@...aro.org>, Geert Uytterhoeven <geert@...ux-m68k.org>, linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org, arm-scmi@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org, Peng Fan <peng.fan@....com> Subject: [PATCH v3 1/5] dt-bindings: clock: Add spread spectrum definition Per dt-schema, the modulation methods are: down-spread(3), up-spread(2), center-spread(1), no-spread(0). So define them in dt-bindings to avoid write the magic number in device tree. Signed-off-by: Peng Fan <peng.fan@....com> --- include/dt-bindings/clock/clock.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/include/dt-bindings/clock/clock.h b/include/dt-bindings/clock/clock.h new file mode 100644 index 0000000000000000000000000000000000000000..155e2653a120bf10747bd7f4d47f25e0493e0464 --- /dev/null +++ b/include/dt-bindings/clock/clock.h @@ -0,0 +1,14 @@ +/* SPDX-License-Identifier: GPL-2.0-only OR MIT */ +/* + * Copyright 2025 NXP + */ + +#ifndef __DT_BINDINGS_CLOCK_H +#define __DT_BINDINGS_CLOCK_H + +#define CLK_SSC_NO_SPREAD 0 +#define CLK_SSC_CENTER_SPREAD 1 +#define CLK_SSC_UP_SPREAD 2 +#define CLK_SSC_DOWN_SPREAD 3 + +#endif /* __DT_BINDINGS_CLOCK_H */ -- 2.37.1
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