[PATCH 4/5] ARM: dts: keystone: Header file for pinctrl constants
Franklin S Cooper Jr
fcooper at ti.com
Wed Apr 27 07:11:47 PDT 2016
From: Lokesh Vutla <lokeshvutla at ti.com>
The pinctrl IP used in some of the Keystone 2 devices differ vs other
TI SoCs. Therefore, create a Keystone specific pinctrl header.
Signed-off-by: Lokesh Vutla <lokeshvutla at ti.com>
Signed-off-by: Franklin S Cooper Jr <fcooper at ti.com>
Signed-off-by: Tero Kristo <t-kristo at ti.com>
Signed-off-by: Dave Gerlach <d-gerlach at ti.com>
---
arch/arm/boot/dts/keystone-k2g.dtsi | 1 +
include/dt-bindings/pinctrl/keystone.h | 39 ++++++++++++++++++++++++++++++++++
2 files changed, 40 insertions(+)
create mode 100644 include/dt-bindings/pinctrl/keystone.h
diff --git a/arch/arm/boot/dts/keystone-k2g.dtsi b/arch/arm/boot/dts/keystone-k2g.dtsi
index b99e879..3372615 100644
--- a/arch/arm/boot/dts/keystone-k2g.dtsi
+++ b/arch/arm/boot/dts/keystone-k2g.dtsi
@@ -14,6 +14,7 @@
*/
#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/pinctrl/keystone.h>
#include "skeleton.dtsi"
/ {
diff --git a/include/dt-bindings/pinctrl/keystone.h b/include/dt-bindings/pinctrl/keystone.h
new file mode 100644
index 0000000..7f97d77
--- /dev/null
+++ b/include/dt-bindings/pinctrl/keystone.h
@@ -0,0 +1,39 @@
+/*
+ * This header provides constants for Keystone pinctrl bindings.
+ *
+ * Copyright (C) 2016 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _DT_BINDINGS_PINCTRL_KEYSTONE_H
+#define _DT_BINDINGS_PINCTRL_KEYSTONE_H
+
+#define MUX_MODE0 0
+#define MUX_MODE1 1
+#define MUX_MODE2 2
+#define MUX_MODE3 3
+#define MUX_MODE4 4
+#define MUX_MODE5 5
+
+#define BUFFER_CLASS_B (0 << 19)
+#define BUFFER_CLASS_C (1 << 19)
+#define BUFFER_CLASS_D (2 << 19)
+#define BUFFER_CLASS_E (3 << 19)
+
+#define PULL_DISABLE (1 << 16)
+#define PIN_PULLUP (1 << 17)
+#define PIN_PULLDOWN (0 << 17)
+
+#define KEYSTONE_IOPAD_OFFSET(pa, offset) (((pa) & 0xffff) - (offset))
+
+#define K2G_CORE_IOPAD(pa) KEYSTONE_IOPAD_OFFSET((pa), 0x1000)
+
+#endif
--
2.7.0
More information about the linux-arm-kernel
mailing list