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-rw-r--r--arch/arm/mach-ux500/board-mop500-uib.c133
1 files changed, 0 insertions, 133 deletions
diff --git a/arch/arm/mach-ux500/board-mop500-uib.c b/arch/arm/mach-ux500/board-mop500-uib.c
deleted file mode 100644
index bdaa422..0000000
--- a/arch/arm/mach-ux500/board-mop500-uib.c
+++ /dev/null
@@ -1,133 +0,0 @@
-/*
- * Copyright (C) ST-Ericsson SA 2010
- *
- * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
- * License terms: GNU General Public License (GPL), version 2
- */
-
-#define pr_fmt(fmt) "mop500-uib: " fmt
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/i2c.h>
-
-#include "board-mop500.h"
-#include "id.h"
-
-enum mop500_uib {
- STUIB,
- U8500UIB,
-};
-
-struct uib {
- const char *name;
- const char *option;
- void (*init)(void);
-};
-
-static struct uib __initdata mop500_uibs[] = {
- [STUIB] = {
- .name = "ST-UIB",
- .option = "stuib",
- .init = mop500_stuib_init,
- },
- [U8500UIB] = {
- .name = "U8500-UIB",
- .option = "u8500uib",
- .init = mop500_u8500uib_init,
- },
-};
-
-static struct uib *mop500_uib;
-
-static int __init mop500_uib_setup(char *str)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(mop500_uibs); i++) {
- struct uib *uib = &mop500_uibs[i];
-
- if (!strcmp(str, uib->option)) {
- mop500_uib = uib;
- break;
- }
- }
-
- if (i == ARRAY_SIZE(mop500_uibs))
- pr_err("invalid uib= option (%s)\n", str);
-
- return 1;
-}
-__setup("uib=", mop500_uib_setup);
-
-/*
- * The UIBs are detected after the I2C host controllers are registered, so
- * i2c_register_board_info() can't be used.
- */
-void mop500_uib_i2c_add(int busnum, struct i2c_board_info *info,
- unsigned n)
-{
- struct i2c_adapter *adap;
- struct i2c_client *client;
- int i;
-
- adap = i2c_get_adapter(busnum);
- if (!adap) {
- pr_err("failed to get adapter i2c%d\n", busnum);
- return;
- }
-
- for (i = 0; i < n; i++) {
- client = i2c_new_device(adap, &info[i]);
- if (!client)
- pr_err("failed to register %s to i2c%d\n",
- info[i].type, busnum);
- }
-
- i2c_put_adapter(adap);
-}
-
-static void __init __mop500_uib_init(struct uib *uib, const char *why)
-{
- pr_info("%s (%s)\n", uib->name, why);
- uib->init();
-}
-
-/*
- * Detect the UIB attached based on the presence or absence of i2c devices.
- */
-int __init mop500_uib_init(void)
-{
- struct uib *uib = mop500_uib;
- struct i2c_adapter *i2c0;
- int ret;
-
- if (!cpu_is_u8500_family())
- return -ENODEV;
-
- if (uib) {
- __mop500_uib_init(uib, "from uib= boot argument");
- return 0;
- }
-
- i2c0 = i2c_get_adapter(0);
- if (!i2c0) {
- __mop500_uib_init(&mop500_uibs[STUIB],
- "fallback, could not get i2c0");
- return -ENODEV;
- }
-
- /* U8500-UIB has the TC35893 at 0x44 on I2C0, the ST-UIB doesn't. */
- ret = i2c_smbus_xfer(i2c0, 0x44, 0, I2C_SMBUS_WRITE, 0,
- I2C_SMBUS_QUICK, NULL);
- i2c_put_adapter(i2c0);
-
- if (ret == 0)
- uib = &mop500_uibs[U8500UIB];
- else
- uib = &mop500_uibs[STUIB];
-
- __mop500_uib_init(uib, "detected");
-
- return 0;
-}
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