diff mbox series

[U-Boot] dts: gpio: Sync header with Linux 4.17

Message ID 20180614113417.18666-1-marek.vasut+renesas@gmail.com
State Accepted
Commit e1ccb2c34c9fe5b2c9fabbff590b9722431edb24
Delegated to: Marek Vasut
Headers show
Series [U-Boot] dts: gpio: Sync header with Linux 4.17 | expand

Commit Message

Marek Vasut June 14, 2018, 11:34 a.m. UTC 
Sync the gpio.h header with Linux 4.17, which contains new macros.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Tom Rini <trini@konsulko.com>
---
 include/dt-bindings/gpio/gpio.h | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
diff mbox series

Patch

diff --git a/include/dt-bindings/gpio/gpio.h b/include/dt-bindings/gpio/gpio.h
index e6b1e0a808..2cc10ae4bb 100644
--- a/include/dt-bindings/gpio/gpio.h
+++ b/include/dt-bindings/gpio/gpio.h
@@ -1,3 +1,4 @@ 
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * This header provides constants for most GPIO bindings.
  *
@@ -9,7 +10,27 @@ 
 #ifndef _DT_BINDINGS_GPIO_GPIO_H
 #define _DT_BINDINGS_GPIO_GPIO_H
 
+/* Bit 0 express polarity */
 #define GPIO_ACTIVE_HIGH 0
 #define GPIO_ACTIVE_LOW 1
 
+/* Bit 1 express single-endedness */
+#define GPIO_PUSH_PULL 0
+#define GPIO_SINGLE_ENDED 2
+
+/* Bit 2 express Open drain or open source */
+#define GPIO_LINE_OPEN_SOURCE 0
+#define GPIO_LINE_OPEN_DRAIN 4
+
+/*
+ * Open Drain/Collector is the combination of single-ended open drain interface.
+ * Open Source/Emitter is the combination of single-ended open source interface.
+ */
+#define GPIO_OPEN_DRAIN (GPIO_SINGLE_ENDED | GPIO_LINE_OPEN_DRAIN)
+#define GPIO_OPEN_SOURCE (GPIO_SINGLE_ENDED | GPIO_LINE_OPEN_SOURCE)
+
+/* Bit 3 express GPIO suspend/resume and reset persistence */
+#define GPIO_PERSISTENT 0
+#define GPIO_TRANSITORY 8
+
 #endif