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authorJoel Stanley <joel@jms.id.au>2017-11-28 16:00:29 +0300
committerJoel Stanley <joel@jms.id.au>2017-12-21 06:33:14 +0300
commita7d1ecb60af0fe704ef207a0dc25e960c5153564 (patch)
tree96413bc9954e02f4e43a2d4d8cfd568fc7256ab5 /include
parent70dad67ab1af7766ed046281eaed26d48a26916e (diff)
downloadlinux-a7d1ecb60af0fe704ef207a0dc25e960c5153564.tar.xz
dt-bindings: gpio: Add ASPEED constants
These are used to by the device tree to map pin numbers to constants required by the GPIO bindings. Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'include')
-rw-r--r--include/dt-bindings/gpio/aspeed-gpio.h49
1 files changed, 49 insertions, 0 deletions
diff --git a/include/dt-bindings/gpio/aspeed-gpio.h b/include/dt-bindings/gpio/aspeed-gpio.h
new file mode 100644
index 000000000000..56fc4889b2c4
--- /dev/null
+++ b/include/dt-bindings/gpio/aspeed-gpio.h
@@ -0,0 +1,49 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * This header provides constants for binding aspeed,*-gpio.
+ *
+ * The first cell in Aspeed's GPIO specifier is the GPIO ID. The macros below
+ * provide names for this.
+ *
+ * The second cell contains standard flag values specified in gpio.h.
+ */
+
+#ifndef _DT_BINDINGS_GPIO_ASPEED_GPIO_H
+#define _DT_BINDINGS_GPIO_ASPEED_GPIO_H
+
+#include <dt-bindings/gpio/gpio.h>
+
+#define ASPEED_GPIO_PORT_A 0
+#define ASPEED_GPIO_PORT_B 1
+#define ASPEED_GPIO_PORT_C 2
+#define ASPEED_GPIO_PORT_D 3
+#define ASPEED_GPIO_PORT_E 4
+#define ASPEED_GPIO_PORT_F 5
+#define ASPEED_GPIO_PORT_G 6
+#define ASPEED_GPIO_PORT_H 7
+#define ASPEED_GPIO_PORT_I 8
+#define ASPEED_GPIO_PORT_J 9
+#define ASPEED_GPIO_PORT_K 10
+#define ASPEED_GPIO_PORT_L 11
+#define ASPEED_GPIO_PORT_M 12
+#define ASPEED_GPIO_PORT_N 13
+#define ASPEED_GPIO_PORT_O 14
+#define ASPEED_GPIO_PORT_P 15
+#define ASPEED_GPIO_PORT_Q 16
+#define ASPEED_GPIO_PORT_R 17
+#define ASPEED_GPIO_PORT_S 18
+#define ASPEED_GPIO_PORT_T 19
+#define ASPEED_GPIO_PORT_U 20
+#define ASPEED_GPIO_PORT_V 21
+#define ASPEED_GPIO_PORT_W 22
+#define ASPEED_GPIO_PORT_X 23
+#define ASPEED_GPIO_PORT_Y 24
+#define ASPEED_GPIO_PORT_Z 25
+#define ASPEED_GPIO_PORT_AA 26
+#define ASPEED_GPIO_PORT_AB 27
+#define ASPEED_GPIO_PORT_AC 28
+
+#define ASPEED_GPIO(port, offset) \
+ ((ASPEED_GPIO_PORT_##port * 8) + offset)
+
+#endif