Commit fc66393a authored by Vignesh R's avatar Vignesh R Committed by Tero Kristo
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dt-bindings: pinctrl: k3: Introduce pinmux definitions



The dt-bindings header for TI K3 AM6 SoCs define a set of macros for
defining pinmux configs in human readable form, instead of raw-coded
hex values.

Signed-off-by: default avatarVignesh R <vigneshr@ti.com>
Acked-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Acked-by: default avatarNishanth Menon <nm@ti.com>
Acked-by: default avatarTony Lindgren <tony@atomide.com>
Signed-off-by: default avatarTero Kristo <t-kristo@ti.com>
parent 8588eac3
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Original line number Diff line number Diff line
@@ -2204,6 +2204,7 @@ S: Supported
F:	Documentation/devicetree/bindings/arm/ti/k3.txt
F:	arch/arm64/boot/dts/ti/Makefile
F:	arch/arm64/boot/dts/ti/k3-*
F:	include/dt-bindings/pinctrl/k3.h

ARM/TEXAS INSTRUMENT KEYSTONE ARCHITECTURE
M:	Santosh Shilimkar <ssantosh@kernel.org>
+35 −0
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/* SPDX-License-Identifier: GPL-2.0 */
/*
 * This header provides constants for pinctrl bindings for TI's K3 SoC
 * family.
 *
 * Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com/
 */
#ifndef _DT_BINDINGS_PINCTRL_TI_K3_H
#define _DT_BINDINGS_PINCTRL_TI_K3_H

#define PULLUDEN_SHIFT		(16)
#define PULLTYPESEL_SHIFT	(17)
#define RXACTIVE_SHIFT		(18)

#define PULL_DISABLE		(1 << PULLUDEN_SHIFT)
#define PULL_ENABLE		(0 << PULLUDEN_SHIFT)

#define PULL_UP			(1 << PULLTYPESEL_SHIFT | PULL_ENABLE)
#define PULL_DOWN		(0 << PULLTYPESEL_SHIFT | PULL_ENABLE)

#define INPUT_EN		(1 << RXACTIVE_SHIFT)
#define INPUT_DISABLE		(0 << RXACTIVE_SHIFT)

/* Only these macros are expected be used directly in device tree files */
#define PIN_OUTPUT		(INPUT_DISABLE | PULL_DISABLE)
#define PIN_OUTPUT_PULLUP	(INPUT_DISABLE | PULL_UP)
#define PIN_OUTPUT_PULLDOWN	(INPUT_DISABLE | PULL_DOWN)
#define PIN_INPUT		(INPUT_EN | PULL_DISABLE)
#define PIN_INPUT_PULLUP	(INPUT_EN | PULL_UP)
#define PIN_INPUT_PULLDOWN	(INPUT_EN | PULL_DOWN)

#define AM65X_IOPAD(pa, val, muxmode)		(((pa) & 0x1fff)) ((val) | (muxmode))
#define AM65X_WKUP_IOPAD(pa, val, muxmode)	(((pa) & 0x1fff)) ((val) | (muxmode))

#endif