pinctrl/nomadik: move the platform data header

This moves the platform data header for the Nomadik pin controller
to <linux/platform_data/pinctrl-nomadik.h>.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 108 insertions, 0 deletions

diff --git a/include/linux/platform_data/pinctrl-nomadik.h b/include/linux/platform_data/pinctrl-nomadik.h
new file mode 100644
index 00000000000..a74999438de
--- /dev/null
+++ b/include/linux/platform_data/pinctrl-nomadik.h
@@ -0,0 +1,108 @@
+/*
+ * Structures and registers for GPIO access in the Nomadik SoC
+ *
+ * Copyright (C) 2008 STMicroelectronics
+ *     Author: Prafulla WADASKAR <prafulla.wadaskar@st.com>
+ * Copyright (C) 2009 Alessandro Rubini <rubini@unipv.it>
+ *
+ * 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_NOMADIK_GPIO
+#define __PLAT_NOMADIK_GPIO
+
+/*
+ * "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,
+};
+
+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 */