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dt-bindings: pinctrl: k3: Introduce pinmux definitions

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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: Vignesh R <vigneshr@ti.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Nishanth Menon <nm@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
This commit is contained in:
Vignesh R 2018-11-13 11:31:08 +05:30 committed by Tero Kristo
parent 8588eac3ff
commit fc66393ab5
2 changed files with 36 additions and 0 deletions
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@ -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
include/dt-bindings/pinctrl/k3.h Normal file
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@ -0,0 +1,35 @@
/* 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