From mboxrd@z Thu Jan 1 00:00:00 1970 From: t-kristo@ti.com (Tero Kristo) Date: Mon, 19 Nov 2018 09:19:38 +0200 Subject: [PATCH v2 1/4] dt-bindings: pinctrl: k3: Introduce pinmux definitions In-Reply-To: <20181117160502.dhlqbx5qnmdp5iog@kahuna> References: <20181113060111.16374-1-vigneshr@ti.com> <20181113060111.16374-2-vigneshr@ti.com> <20181117160502.dhlqbx5qnmdp5iog@kahuna> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 17/11/2018 18:05, Nishanth Menon wrote: > On 11:31-20181113, Vignesh R wrote: >> 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 >> --- >> MAINTAINERS | 1 + >> include/dt-bindings/pinctrl/k3.h | 35 ++++++++++++++++++++++++++++++++ >> 2 files changed, 36 insertions(+) >> create mode 100644 include/dt-bindings/pinctrl/k3.h >> >> diff --git a/MAINTAINERS b/MAINTAINERS >> index fa45ff36fde9..1574ad6d7ead 100644 >> --- a/MAINTAINERS >> +++ b/MAINTAINERS >> @@ -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 >> diff --git a/include/dt-bindings/pinctrl/k3.h b/include/dt-bindings/pinctrl/k3.h >> new file mode 100644 >> index 000000000000..463d845a9b36 >> --- /dev/null >> +++ b/include/dt-bindings/pinctrl/k3.h >> @@ -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) > > > Thanks for reducing the combinations down to the minimum needed. We can > worry about the DS and isolation bits when we have a real user for them. > > Acked-by: Nishanth Menon > > Tero: v4.21-rc1 perhaps ? > Yeah, looks fine, queueing up for 4.21. -Tero -- Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki