From c3123cfdc9e3241055f1ba0d6ceb8b41f97e31b9 Mon Sep 17 00:00:00 2001
From: Linus Walleij <linus.walleij@linaro.org>
Date: Wed, 10 Oct 2012 14:35:17 +0200
Subject: [PATCH] pinctrl/nomadik: merge old pincfg header

This merges the old <plat/pincfg.h> header into
<linux/platform_data/pinctrl-nomadik.h> and rids us of
yet one more <plat/*> include.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---
 arch/arm/mach-nomadik/board-nhk8815.c              |   1 -
 arch/arm/mach-nomadik/i2c-8815nhk.c                |   1 -
 arch/arm/mach-ux500/board-mop500-audio.c           |   1 -
 arch/arm/mach-ux500/board-mop500-pins.c            |   1 -
 drivers/pinctrl/pinctrl-nomadik.c                  |   4 +-
 .../linux/platform_data/pinctrl-nomadik.h          | 111 +++++++++++++++++++--
 6 files changed, 103 insertions(+), 16 deletions(-)
 rename arch/arm/plat-nomadik/include/plat/pincfg.h => include/linux/platform_data/pinctrl-nomadik.h (66%)

diff --git a/arch/arm/mach-nomadik/board-nhk8815.c b/arch/arm/mach-nomadik/board-nhk8815.c
index 3a41ad00bd68..22ef8a1abe08 100644
--- a/arch/arm/mach-nomadik/board-nhk8815.c
+++ b/arch/arm/mach-nomadik/board-nhk8815.c
@@ -34,7 +34,6 @@
 #include <asm/mach/time.h>
 
 #include <plat/mtu.h>
-#include <plat/pincfg.h>
 
 #include <linux/platform_data/mtd-nomadik-nand.h>
 #include <mach/fsmc.h>
diff --git a/arch/arm/mach-nomadik/i2c-8815nhk.c b/arch/arm/mach-nomadik/i2c-8815nhk.c
index f81496f5790e..0c2f6628299a 100644
--- a/arch/arm/mach-nomadik/i2c-8815nhk.c
+++ b/arch/arm/mach-nomadik/i2c-8815nhk.c
@@ -5,7 +5,6 @@
 #include <linux/i2c-gpio.h>
 #include <linux/platform_device.h>
 #include <linux/platform_data/pinctrl-nomadik.h>
-#include <plat/pincfg.h>
 
 /*
  * There are two busses in the 8815NHK.
diff --git a/arch/arm/mach-ux500/board-mop500-audio.c b/arch/arm/mach-ux500/board-mop500-audio.c
index ea828cc56357..33631c9f1218 100644
--- a/arch/arm/mach-ux500/board-mop500-audio.c
+++ b/arch/arm/mach-ux500/board-mop500-audio.c
@@ -9,7 +9,6 @@
 #include <linux/gpio.h>
 #include <linux/platform_data/pinctrl-nomadik.h>
 
-#include <plat/pincfg.h>
 #include <plat/ste_dma40.h>
 
 #include <mach/devices.h>
diff --git a/arch/arm/mach-ux500/board-mop500-pins.c b/arch/arm/mach-ux500/board-mop500-pins.c
index 05f2bb581130..c34d4efd0d5c 100644
--- a/arch/arm/mach-ux500/board-mop500-pins.c
+++ b/arch/arm/mach-ux500/board-mop500-pins.c
@@ -12,7 +12,6 @@
 #include <linux/platform_data/pinctrl-nomadik.h>
 
 #include <asm/mach-types.h>
-#include <plat/pincfg.h>
 
 #include <mach/hardware.h>
 
diff --git a/drivers/pinctrl/pinctrl-nomadik.c b/drivers/pinctrl/pinctrl-nomadik.c
index e24fa05e59b8..a49052305756 100644
--- a/drivers/pinctrl/pinctrl-nomadik.c
+++ b/drivers/pinctrl/pinctrl-nomadik.c
@@ -48,8 +48,6 @@ static inline void prcmu_write_masked(unsigned int reg, u32 mask, u32 value) {}
 
 #include <asm/mach/irq.h>
 
-#include <plat/pincfg.h>
-
 #include "pinctrl-nomadik.h"
 
 /*
@@ -534,7 +532,7 @@ static int __nmk_config_pins(pin_cfg_t *cfgs, int num, bool sleep)
  * and its sleep mode based on the specified configuration.  The @cfg is
  * usually one of the SoC specific macros defined in mach/<soc>-pins.h.  These
  * are constructed using, and can be further enhanced with, the macros in
- * plat/pincfg.h.
+ * <linux/platform_data/pinctrl-nomadik.h>
  *
  * If a pin's mode is set to GPIO, it is configured as an input to avoid
  * side-effects.  The gpio can be manipulated later using standard GPIO API
diff --git a/arch/arm/plat-nomadik/include/plat/pincfg.h b/include/linux/platform_data/pinctrl-nomadik.h
similarity index 66%
rename from arch/arm/plat-nomadik/include/plat/pincfg.h
rename to include/linux/platform_data/pinctrl-nomadik.h
index 3b8ec60af351..f73b2f0c55b7 100644
--- a/arch/arm/plat-nomadik/include/plat/pincfg.h
+++ b/include/linux/platform_data/pinctrl-nomadik.h
@@ -1,16 +1,17 @@
 /*
- * Copyright (C) ST-Ericsson SA 2010
+ * Structures and registers for GPIO access in the Nomadik SoC
  *
- * License terms: GNU General Public License, version 2
- * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
+ * Copyright (C) 2008 STMicroelectronics
+ *     Author: Prafulla WADASKAR <prafulla.wadaskar@st.com>
+ * Copyright (C) 2009 Alessandro Rubini <rubini@unipv.it>
  *
- * Based on arch/arm/mach-pxa/include/mach/mfp.h:
- *   Copyright (C) 2007 Marvell International Ltd.
- *   eric miao <eric.miao@marvell.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.
  */
 
-#ifndef __PLAT_PINCFG_H
-#define __PLAT_PINCFG_H
+#ifndef __PLAT_NOMADIK_GPIO
+#define __PLAT_NOMADIK_GPIO
 
 /*
  * pin configurations are represented by 32-bit integers:
@@ -166,8 +167,100 @@ typedef unsigned long pin_cfg_t;
 	(PIN_CFG_DEFAULT |\
 	 (PIN_NUM(num) | PIN_##alt | PIN_OUTPUT_##val))
 
+/*
+ * "nmk_gpio" and "NMK_GPIO" stand for "Nomadik GPIO", leaving
+ * the "gpio" namespace for generic and cross-machine functions
+ */
+
+#define GPIO_BLOCK_SHIFT 5
+#define NMK_GPIO_PER_CHIP (1 << GPIO_BLOCK_SHIFT)
+
+/* Register in the logic block */
+#define NMK_GPIO_DAT	0x00
+#define NMK_GPIO_DATS	0x04
+#define NMK_GPIO_DATC	0x08
+#define NMK_GPIO_PDIS	0x0c
+#define NMK_GPIO_DIR	0x10
+#define NMK_GPIO_DIRS	0x14
+#define NMK_GPIO_DIRC	0x18
+#define NMK_GPIO_SLPC	0x1c
+#define NMK_GPIO_AFSLA	0x20
+#define NMK_GPIO_AFSLB	0x24
+#define NMK_GPIO_LOWEMI	0x28
+
+#define NMK_GPIO_RIMSC	0x40
+#define NMK_GPIO_FIMSC	0x44
+#define NMK_GPIO_IS	0x48
+#define NMK_GPIO_IC	0x4c
+#define NMK_GPIO_RWIMSC	0x50
+#define NMK_GPIO_FWIMSC	0x54
+#define NMK_GPIO_WKS	0x58
+/* These appear in DB8540 and later ASICs */
+#define NMK_GPIO_EDGELEVEL 0x5C
+#define NMK_GPIO_LEVEL	0x60
+
+/* Alternate functions: function C is set in hw by setting both A and B */
+#define NMK_GPIO_ALT_GPIO	0
+#define NMK_GPIO_ALT_A	1
+#define NMK_GPIO_ALT_B	2
+#define NMK_GPIO_ALT_C	(NMK_GPIO_ALT_A | NMK_GPIO_ALT_B)
+
+#define NMK_GPIO_ALT_CX_SHIFT 2
+#define NMK_GPIO_ALT_C1	((1<<NMK_GPIO_ALT_CX_SHIFT) | NMK_GPIO_ALT_C)
+#define NMK_GPIO_ALT_C2	((2<<NMK_GPIO_ALT_CX_SHIFT) | NMK_GPIO_ALT_C)
+#define NMK_GPIO_ALT_C3	((3<<NMK_GPIO_ALT_CX_SHIFT) | NMK_GPIO_ALT_C)
+#define NMK_GPIO_ALT_C4	((4<<NMK_GPIO_ALT_CX_SHIFT) | NMK_GPIO_ALT_C)
+
+/* Pull up/down values */
+enum nmk_gpio_pull {
+	NMK_GPIO_PULL_NONE,
+	NMK_GPIO_PULL_UP,
+	NMK_GPIO_PULL_DOWN,
+};
+
+/* Sleep mode */
+enum nmk_gpio_slpm {
+	NMK_GPIO_SLPM_INPUT,
+	NMK_GPIO_SLPM_WAKEUP_ENABLE = NMK_GPIO_SLPM_INPUT,
+	NMK_GPIO_SLPM_NOCHANGE,
+	NMK_GPIO_SLPM_WAKEUP_DISABLE = NMK_GPIO_SLPM_NOCHANGE,
+};
+
+/* Older deprecated pin config API that should go away soon */
 extern int nmk_config_pin(pin_cfg_t cfg, bool sleep);
 extern int nmk_config_pins(pin_cfg_t *cfgs, int num);
 extern int nmk_config_pins_sleep(pin_cfg_t *cfgs, int num);
-
+extern int nmk_gpio_set_slpm(int gpio, enum nmk_gpio_slpm mode);
+extern int nmk_gpio_set_pull(int gpio, enum nmk_gpio_pull pull);
+#ifdef CONFIG_PINCTRL_NOMADIK
+extern int nmk_gpio_set_mode(int gpio, int gpio_mode);
+#else
+static inline int nmk_gpio_set_mode(int gpio, int gpio_mode)
+{
+	return -ENODEV;
+}
 #endif
+extern int nmk_gpio_get_mode(int gpio);
+
+extern void nmk_gpio_wakeups_suspend(void);
+extern void nmk_gpio_wakeups_resume(void);
+
+extern void nmk_gpio_clocks_enable(void);
+extern void nmk_gpio_clocks_disable(void);
+
+extern void nmk_gpio_read_pull(int gpio_bank, u32 *pull_up);
+
+/*
+ * Platform data to register a block: only the initial gpio/irq number.
+ */
+struct nmk_gpio_platform_data {
+	char *name;
+	int first_gpio;
+	int first_irq;
+	int num_gpio;
+	u32 (*get_secondary_status)(unsigned int bank);
+	void (*set_ioforce)(bool enable);
+	bool supports_sleepmode;
+};
+
+#endif /* __PLAT_NOMADIK_GPIO */
-- 
2.11.4.GIT