u-boot/arch/arm/dts/armada-common.dtsi

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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2021 Marvell International Ltd.
*/
/* Common definitions used by Armada 7K/8K DTs */
#define PASTER(x, y) x ## _ ## y
#define EVALUATOR(x, y) PASTER(x, y)
/* This define used to create die label:
* For example:
* CP110 master:
* CP110_LABEL(spi0) -> cp0_spi0
* CP110 slave:
* CP110_LABEL(usb0) -> cp1_usb0
*/
#define CP110_LABEL(name) EVALUATOR(CP110_NAME, name)
#define APPEND_NX(A, B) A ##-## B
#define APPEND(A, B) APPEND_NX(A, B)
#define STRINGIZE_NX(x) #x
#define STRINGIZE(x) STRINGIZE_NX(x)
/* Same idea here, but this define convert the name to string:
* For example:
* master: CP110_STRING_LABEL(ppv2) -> "cp0-ppv2"
* slave: CP110_STRING_LABEL(ppv2) -> "cp1-ppv2"
*/
#define CP110_STRING_LABEL(name) STRINGIZE(APPEND(CP110_NAME, name))