From 19b934ce3763c9465c5c80302f7c142d30b75869 Mon Sep 17 00:00:00 2001 From: Phil Elwell <phil@raspberrypi.com> Date: Fri, 28 Oct 2022 14:13:30 +0100 Subject: [PATCH] dt-bindings: pinctrl: Add bindings for Raspberry Pi RP1 Signed-off-by: Phil Elwell <phil@raspberrypi.com> --- include/dt-bindings/pinctrl/rp1.h | 46 +++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 include/dt-bindings/pinctrl/rp1.h --- /dev/null +++ b/include/dt-bindings/pinctrl/rp1.h @@ -0,0 +1,46 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Header providing constants for RP1 pinctrl bindings. + * + * Copyright (C) 2019-2022 Raspberry Pi Ltd. + */ + +#ifndef __DT_BINDINGS_PINCTRL_RP1_H__ +#define __DT_BINDINGS_PINCTRL_RP1_H__ + +/* brcm,function property */ +#define RP1_FSEL_GPIO_IN 0 +#define RP1_FSEL_GPIO_OUT 1 +#define RP1_FSEL_ALT0_LEGACY 4 +#define RP1_FSEL_ALT1_LEGACY 5 +#define RP1_FSEL_ALT2_LEGACY 6 +#define RP1_FSEL_ALT3_LEGACY 7 +#define RP1_FSEL_ALT4_LEGACY 3 +#define RP1_FSEL_ALT5_LEGACY 2 +#define RP1_FSEL_ALT0 0x08 +#define RP1_FSEL_ALT0INV 0x09 +#define RP1_FSEL_ALT1 0x0a +#define RP1_FSEL_ALT1INV 0x0b +#define RP1_FSEL_ALT2 0x0c +#define RP1_FSEL_ALT2INV 0x0d +#define RP1_FSEL_ALT3 0x0e +#define RP1_FSEL_ALT3INV 0x0f +#define RP1_FSEL_ALT4 0x10 +#define RP1_FSEL_ALT4INV 0x11 +#define RP1_FSEL_ALT5 0x12 +#define RP1_FSEL_ALT5INV 0x13 +#define RP1_FSEL_ALT6 0x14 +#define RP1_FSEL_ALT6INV 0x15 +#define RP1_FSEL_ALT7 0x16 +#define RP1_FSEL_ALT7INV 0x17 +#define RP1_FSEL_ALT8 0x18 +#define RP1_FSEL_ALT8INV 0x19 +#define RP1_FSEL_NONE 0x1a + +/* brcm,pull property */ +#define RP1_PUD_OFF 0 +#define RP1_PUD_DOWN 1 +#define RP1_PUD_UP 2 +#define RP1_PUD_KEEP 3 + +#endif /* __DT_BINDINGS_PINCTRL_RP1_H__ */