lpc32xx: add GPIO support

This driver only supports Driver Model, not legacy model.

Signed-off-by: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>

1 files changed, 43 insertions, 0 deletions

diff --git a/arch/arm/include/asm/arch-lpc32xx/gpio.h b/arch/arm/include/asm/arch-lpc32xx/gpio.h
new file mode 100644
index 0000000..3bd94e3
--- /dev/null
+++ b/arch/arm/include/asm/arch-lpc32xx/gpio.h
@@ -0,0 +1,43 @@
+/*
+ * LPC32xx GPIO interface
+ *
+ * (C) Copyright 2014  DENX Software Engineering GmbH
+ * Written-by: Albert ARIBAUD <albert.aribaud@3adev.fr>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+/**
+ * GPIO Register map for LPC32xx
+ */
+
+struct gpio_regs {
+	u32 p3_inp_state;
+	u32 p3_outp_set;
+	u32 p3_outp_clr;
+	u32 p3_outp_state;
+	/* Watch out! the following are shared between p2 and p3 */
+	u32 p2_p3_dir_set;
+	u32 p2_p3_dir_clr;
+	u32 p2_p3_dir_state;
+	/* Now back to 'one register for one port' */
+	u32 p2_inp_state;
+	u32 p2_outp_set;
+	u32 p2_outp_clr;
+	u32 reserved1[6];
+	u32 p0_inp_state;
+	u32 p0_outp_set;
+	u32 p0_outp_clr;
+	u32 p0_outp_state;
+	u32 p0_dir_set;
+	u32 p0_dir_clr;
+	u32 p0_dir_state;
+	u32 reserved2;
+	u32 p1_inp_state;
+	u32 p1_outp_set;
+	u32 p1_outp_clr;
+	u32 p1_outp_state;
+	u32 p1_dir_set;
+	u32 p1_dir_clr;
+	u32 p1_dir_state;
+};