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-rw-r--r--recipes/linux/linux-2.6.31/boc01/005-091008-isl12024.patch512
1 files changed, 0 insertions, 512 deletions
diff --git a/recipes/linux/linux-2.6.31/boc01/005-091008-isl12024.patch b/recipes/linux/linux-2.6.31/boc01/005-091008-isl12024.patch
deleted file mode 100644
index 401ce4d9c8..0000000000
--- a/recipes/linux/linux-2.6.31/boc01/005-091008-isl12024.patch
+++ /dev/null
@@ -1,512 +0,0 @@
-Index: linux-2.6.31/drivers/misc/eeprom/at24.c
-===================================================================
---- linux-2.6.31.orig/drivers/misc/eeprom/at24.c 2009-10-19 16:55:01.000000000 +0200
-+++ linux-2.6.31/drivers/misc/eeprom/at24.c 2009-10-19 16:55:05.000000000 +0200
-@@ -115,6 +115,8 @@
- { "spd", AT24_DEVICE_MAGIC(2048 / 8,
- AT24_FLAG_READONLY | AT24_FLAG_IRUGO) },
- { "24c04", AT24_DEVICE_MAGIC(4096 / 8, 0) },
-+ /* Intersil RTC/Unique-ID isl12024 eeprom handled here */
-+ { "isl12024-eeprom", AT24_DEVICE_MAGIC(4096 / 8, AT24_FLAG_ADDR16) },
- /* 24rf08 quirk is handled at i2c-core */
- { "24c08", AT24_DEVICE_MAGIC(8192 / 8, 0) },
- { "24c16", AT24_DEVICE_MAGIC(16384 / 8, 0) },
-Index: linux-2.6.31/drivers/rtc/Kconfig
-===================================================================
---- linux-2.6.31.orig/drivers/rtc/Kconfig 2009-10-19 16:55:01.000000000 +0200
-+++ linux-2.6.31/drivers/rtc/Kconfig 2009-10-19 16:55:05.000000000 +0200
-@@ -128,6 +128,12 @@
-
- if I2C
-
-+config RTC_DRV_ISL12024
-+ tristate "Intersil 12024 RTC/Unique-ID"
-+ help
-+ If you say yes ....
-+ This driver can also be built as a module.
-+
- config RTC_DRV_DS1307
- tristate "Dallas/Maxim DS1307/37/38/39/40, ST M41T00, EPSON RX-8025"
- help
-Index: linux-2.6.31/drivers/rtc/Makefile
-===================================================================
---- linux-2.6.31.orig/drivers/rtc/Makefile 2009-10-19 16:55:01.000000000 +0200
-+++ linux-2.6.31/drivers/rtc/Makefile 2009-10-19 16:55:05.000000000 +0200
-@@ -40,6 +40,7 @@
- obj-$(CONFIG_RTC_DRV_EP93XX) += rtc-ep93xx.o
- obj-$(CONFIG_RTC_DRV_FM3130) += rtc-fm3130.o
- obj-$(CONFIG_RTC_DRV_ISL1208) += rtc-isl1208.o
-+obj-$(CONFIG_RTC_DRV_ISL12024) += rtc-isl12024.o
- obj-$(CONFIG_RTC_DRV_M41T80) += rtc-m41t80.o
- obj-$(CONFIG_RTC_DRV_M41T94) += rtc-m41t94.o
- obj-$(CONFIG_RTC_DRV_M48T35) += rtc-m48t35.o
-Index: linux-2.6.31/drivers/rtc/rtc-isl12024.c
-===================================================================
---- /dev/null 1970-01-01 00:00:00.000000000 +0000
-+++ linux-2.6.31/drivers/rtc/rtc-isl12024.c 2009-10-19 16:57:37.000000000 +0200
-@@ -0,0 +1,465 @@
-+/*
-+ * Intersil ISL12024 class driver
-+ *
-+ *
-+ * Copyright (C) 2007, CenoSYS (www.cenosys.com).
-+ *
-+ * Guillaume Ligneul <guillaume.ligneul@gmail.com>
-+ * Sylvain Giroudon <sylvain.giroudon@goobie.fr>
-+ * Jeremy Laine <jeremy.laine@bolloretelecom.eu>
-+ *
-+ * This software program is licensed subject to the GNU General Public License
-+ * (GPL).Version 2,June 1991, available at http://www.fsf.org/copyleft/gpl.html
-+ */
-+
-+#include <linux/module.h>
-+#include <linux/i2c.h>
-+#include <linux/bcd.h>
-+#include <linux/rtc.h>
-+#include <linux/delay.h>
-+
-+#define DRV_VERSION "0.3"
-+
-+#define ISL12024_CCR_BASE 0x30 /* Base address of CCR */
-+#define ISL12024_ALM0_BASE 0x00 /* Base address of ALARM0 */
-+#define ISL12024_INT_AL0E 0x20 /* Alarm 0 enable */
-+
-+/* Register map */
-+
-+/* device id section */
-+#define ISL12024_REG_ID 0x20
-+
-+/* rtc section */
-+#define ISL12024_REG_HR_MIL (1<<7) /* 24h/12h mode */
-+#define ISL12024_REG_HR_PM (1<<5) /* PM/AM bit in 12h mode */
-+#define ISL12024_REG_SC 0x30
-+#define ISL12024_REG_DT 0x33 /* Date */
-+#define ISL12024_REG_MO 0x34 /* Month */
-+#define ISL12024_REG_YR 0x35 /* Year */
-+#define ISL12024_REG_DW 0x36
-+#define ISL12024_REG_Y2K 0x37
-+#define ISL12024_RTC_SECTION_LEN 8
-+
-+/* control/status section */
-+#define ISL12024_REG_SR 0x3F
-+#define ISL12024_REG_SR_BAT (1<<7) /* battery */
-+#define ISL12024_REG_SR_AL1 (1<<6) /* alarm 0 */
-+#define ISL12024_REG_SR_AL0 (1<<5) /* alarm 1 */
-+#define ISL12024_REG_SR_OSCF (1<<4) /* oscillator fail */
-+#define ISL12024_REG_SR_RWEL (1<<2) /* register write enable latch */
-+#define ISL12024_REG_SR_WEL (1<<1) /* write enable latch */
-+#define ISL12024_REG_SR_RTCF (1<<0) /* rtc fail */
-+#define ISL12024_REG_INT 0x11
-+
-+#define CCR_SEC 0
-+#define CCR_MIN 1
-+#define CCR_HOUR 2
-+#define CCR_MDAY 3
-+#define CCR_MONTH 4
-+#define CCR_YEAR 5
-+#define CCR_WDAY 6
-+#define CCR_Y2K 7
-+
-+static int isl12024_get_status(struct i2c_client *client, unsigned char *sr);
-+static int isl12024_fix_osc(struct i2c_client *client);
-+
-+static struct i2c_driver isl12024_driver;
-+
-+static int
-+isl12024_i2c_read_regs(struct i2c_client *client, u8 reg, u8 buf[],
-+ unsigned len)
-+{
-+ int ret;
-+ u8 dt_addr[2];
-+
-+ struct i2c_msg msgs[2] = {
-+ {
-+ .addr = client->addr,
-+ .flags = 0,
-+ .len = 2,
-+ .buf = dt_addr,
-+ },
-+ {
-+ .addr = client->addr,
-+ .flags = I2C_M_RD,
-+ .len = len ,
-+ .buf = buf,
-+ },
-+ };
-+
-+ dt_addr[0] = 0;
-+ dt_addr[1] = reg;
-+
-+ ret = i2c_transfer(client->adapter, msgs, 2);
-+ if ( ret < 0) {
-+ dev_err(&client->dev, "read error\n");
-+ return -EIO;
-+ }
-+ return ret;
-+}
-+
-+static int isl12024_i2c_validate_client(struct i2c_client *client)
-+{
-+ u8 regs[ISL12024_RTC_SECTION_LEN] = { 0, };
-+ u8 zero_mask[ISL12024_RTC_SECTION_LEN] = {
-+ 0x80, 0x80, 0x40, 0xc0, 0xe0, 0x00, 0xf8, 0xc6
-+ };
-+
-+ int i;
-+ int ret;
-+
-+ ret = isl12024_i2c_read_regs(client, ISL12024_REG_SC, regs, ISL12024_RTC_SECTION_LEN);
-+
-+ if (ret < 0)
-+ return ret;
-+
-+ for (i = 0; i < ISL12024_RTC_SECTION_LEN; ++i) {
-+ if (regs[i] & zero_mask[i]) /* check if bits are cleared */
-+ return -ENODEV;
-+ }
-+
-+ return 0;
-+}
-+
-+static int isl12024_read_time(struct i2c_client *client,
-+ struct rtc_time *tm)
-+{
-+ unsigned char sr;
-+ int err;
-+ u8 regs[ISL12024_RTC_SECTION_LEN] = { 0, };
-+
-+ if (isl12024_get_status(client, &sr) < 0) {
-+ dev_err(&client->dev, "reading SR failed\n");
-+ return -EIO;
-+ }
-+
-+ err = isl12024_i2c_read_regs(client, ISL12024_REG_SC, regs, ISL12024_RTC_SECTION_LEN);
-+
-+ if (err < 0) {
-+ dev_err(&client->dev, "reading RTC section failed\n");
-+ return err;
-+ }
-+
-+ tm->tm_sec = bcd2bin(regs[0]);
-+ tm->tm_min = bcd2bin(regs[1]);
-+
-+ { /* HR field has a more complex interpretation */
-+ const u8 _hr = regs[2];
-+ if (_hr & ISL12024_REG_HR_MIL) /* 24h format */
-+ tm->tm_hour = bcd2bin(_hr & 0x3f);
-+ else { // 12h format
-+ tm->tm_hour = bcd2bin(_hr & 0x1f);
-+ if (_hr & ISL12024_REG_HR_PM) /* PM flag set */
-+ tm->tm_hour += 12;
-+ }
-+ }
-+
-+ tm->tm_mday = bcd2bin(regs[3]);
-+ tm->tm_mon = bcd2bin(regs[4]);
-+ tm->tm_year = bcd2bin(regs[5]) + 100;
-+ tm->tm_wday = bcd2bin(regs[6]);
-+
-+ return rtc_valid_tm(tm);
-+}
-+
-+static int isl12024_get_status(struct i2c_client *client, unsigned char *sr)
-+{
-+ static unsigned char sr_addr[2] = { 0, ISL12024_REG_SR };
-+
-+ struct i2c_msg msgs[] = {
-+ { client->addr, 0, 2, sr_addr }, /* setup read ptr */
-+ { client->addr, I2C_M_RD, 1, sr }, /* read status */
-+ };
-+
-+ /* read status register */
-+ if (i2c_transfer(client->adapter, &msgs[0], 2) != 2) {
-+ dev_err(&client->dev, "%s: read error\n", __func__);
-+ return -EIO;
-+ }
-+
-+ return 0;
-+}
-+
-+static int isl12024_set_datetime(struct i2c_client *client, struct rtc_time *tm,
-+ int datetoo, u8 reg_base, unsigned char alm_enable)
-+{
-+ int i, xfer, nbytes;
-+ unsigned char buf[8];
-+ unsigned char rdata[10] = { 0, reg_base };
-+
-+ static const unsigned char wel[3] = { 0, ISL12024_REG_SR,
-+ ISL12024_REG_SR_WEL };
-+
-+ static const unsigned char rwel[3] = { 0, ISL12024_REG_SR,
-+ ISL12024_REG_SR_WEL | ISL12024_REG_SR_RWEL };
-+
-+ static const unsigned char diswe[3] = { 0, ISL12024_REG_SR, 0 };
-+
-+ dev_dbg(&client->dev,
-+ "%s: secs=%d, mins=%d, hours=%d\n",
-+ __func__,
-+ tm->tm_sec, tm->tm_min, tm->tm_hour);
-+
-+ buf[CCR_SEC] = bin2bcd(tm->tm_sec);
-+ buf[CCR_MIN] = bin2bcd(tm->tm_min);
-+
-+ /* set hour and 24hr bit */
-+ buf[CCR_HOUR] = bin2bcd(tm->tm_hour) | ISL12024_REG_HR_MIL;
-+
-+ /* should we also set the date? */
-+ if (datetoo) {
-+ dev_dbg(&client->dev,
-+ "%s: mday=%d, mon=%d, year=%d, wday=%d\n",
-+ __func__,
-+ tm->tm_mday, tm->tm_mon, tm->tm_year, tm->tm_wday);
-+
-+ buf[CCR_MDAY] = bin2bcd(tm->tm_mday);
-+
-+ /* month, 1 - 12 */
-+ buf[CCR_MONTH] = bin2bcd(tm->tm_mon);
-+
-+ /* year, since the rtc epoch*/
-+ buf[CCR_YEAR] = bin2bcd(tm->tm_year % 100);
-+ buf[CCR_WDAY] = tm->tm_wday & 0x07;
-+ buf[CCR_Y2K] = bin2bcd(tm->tm_year / 100);
-+ }
-+
-+ /* If writing alarm registers, set compare bits on registers 0-4 */
-+ if (reg_base < ISL12024_CCR_BASE)
-+ for (i = 0; i <= 4; i++)
-+ buf[i] |= 0x80;
-+
-+ /* this sequence is required to unlock the chip */
-+ if ((xfer = i2c_master_send(client, wel, 3)) != 3) {
-+ dev_err(&client->dev, "%s: wel - %d\n", __func__, xfer);
-+ return -EIO;
-+ }
-+
-+ if ((xfer = i2c_master_send(client, rwel, 3)) != 3) {
-+ dev_err(&client->dev, "%s: rwel - %d\n", __func__, xfer);
-+ return -EIO;
-+ }
-+
-+ /* write register's data */
-+ if (datetoo)
-+ nbytes = 8;
-+ else
-+ nbytes = 3;
-+ for (i = 0; i < nbytes; i++)
-+ rdata[2+i] = buf[i];
-+
-+ xfer = i2c_master_send(client, rdata, nbytes+2);
-+ if (xfer != nbytes+2) {
-+ dev_err(&client->dev,
-+ "%s: result=%d addr=%02x, data=%02x\n",
-+ __func__,
-+ xfer, rdata[1], rdata[2]);
-+ return -EIO;
-+ }
-+
-+ /* If we wrote to the nonvolatile region, wait 10msec for write cycle*/
-+ if (reg_base < ISL12024_CCR_BASE) {
-+ unsigned char al0e[3] = { 0, ISL12024_REG_INT, 0 };
-+
-+ msleep(10);
-+
-+ /* ...and set or clear the AL0E bit in the INT register */
-+
-+ /* Need to set RWEL again as the write has cleared it */
-+ xfer = i2c_master_send(client, rwel, 3);
-+ if (xfer != 3) {
-+ dev_err(&client->dev,
-+ "%s: aloe rwel - %d\n",
-+ __func__,
-+ xfer);
-+ return -EIO;
-+ }
-+
-+ if (alm_enable)
-+ al0e[2] = ISL12024_INT_AL0E;
-+
-+ xfer = i2c_master_send(client, al0e, 3);
-+ if (xfer != 3) {
-+ dev_err(&client->dev,
-+ "%s: al0e - %d\n",
-+ __func__,
-+ xfer);
-+ return -EIO;
-+ }
-+
-+ /* and wait 10msec again for this write to complete */
-+ msleep(10);
-+ }
-+
-+ /* disable further writes */
-+ if ((xfer = i2c_master_send(client, diswe, 3)) != 3) {
-+ dev_err(&client->dev, "%s: diswe - %d\n", __func__, xfer);
-+ return -EIO;
-+ }
-+
-+ return 0;
-+}
-+
-+static int isl12024_fix_osc(struct i2c_client *client)
-+{
-+ int err;
-+ struct rtc_time tm;
-+
-+ tm.tm_hour = tm.tm_min = tm.tm_sec = 0;
-+
-+ err = isl12024_set_datetime(client, &tm, 0, ISL12024_CCR_BASE, 0);
-+ if ( err < 0 )
-+ dev_err(&client->dev, "unable to restart the oscillator (%d)\n", err);
-+
-+ return err;
-+}
-+
-+static int isl12024_rtc_read_time(struct device *dev, struct rtc_time *tm)
-+{
-+ return isl12024_read_time(to_i2c_client(dev), tm);
-+
-+}
-+
-+static int isl12024_rtc_set_time(struct device *dev, struct rtc_time *tm)
-+{
-+ return isl12024_set_datetime(to_i2c_client(dev),
-+ tm, 1, ISL12024_CCR_BASE, 0);
-+}
-+
-+static int
-+isl12024_rtc_proc(struct device *dev, struct seq_file *seq)
-+{
-+
-+ /* Nothing to do */
-+
-+ return 0;
-+}
-+
-+static const struct rtc_class_ops isl12024_rtc_ops = {
-+ .proc = isl12024_rtc_proc,
-+ .read_time = isl12024_rtc_read_time,
-+ .set_time = isl12024_rtc_set_time,
-+};
-+
-+static ssize_t isl12024_show_id(struct device *dev, struct device_attribute *attr,
-+ char *buf)
-+{
-+ struct i2c_client *client = to_i2c_client(dev);
-+ int err;
-+ int len = 0;
-+ int i;
-+ u8 id_buffer[ISL12024_RTC_SECTION_LEN];
-+
-+ /* Read unique id from eeprom */
-+ err = isl12024_i2c_read_regs(client, ISL12024_REG_ID, id_buffer, sizeof(id_buffer));
-+ if (err < 0) {
-+ dev_err(&client->dev, "reading RTC section failed\n");
-+ return err;
-+ }
-+
-+ /* Print hexadecimal */
-+ for (i = 0; i < sizeof(id_buffer); i++)
-+ len += sprintf(buf + len, "%02X", id_buffer[i]);
-+ len += sprintf(buf + len, "\n");
-+ return len;
-+}
-+
-+static DEVICE_ATTR(id, S_IRUGO, isl12024_show_id, NULL);
-+
-+static int
-+isl12024_probe(struct i2c_client *client, const struct i2c_device_id *id)
-+{
-+ int rc = 0;
-+ unsigned char sr;
-+ struct rtc_device *rtc = NULL;
-+
-+ if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C))
-+ return -ENODEV;
-+
-+ if (isl12024_i2c_validate_client(client) < 0)
-+ return -ENODEV;
-+
-+ dev_info(&client->dev,
-+ "chip found, driver version " DRV_VERSION "\n");
-+
-+ rtc = rtc_device_register(isl12024_driver.driver.name,
-+ &client->dev, &isl12024_rtc_ops,
-+ THIS_MODULE);
-+
-+ if (IS_ERR(rtc))
-+ return PTR_ERR(rtc);
-+
-+ i2c_set_clientdata(client, rtc);
-+
-+ rc = isl12024_get_status(client, &sr);
-+ if (rc < 0) {
-+ dev_err(&client->dev, "reading status failed\n");
-+ goto exit_unregister;
-+ }
-+
-+ /* Check for power failures and enable the osc */
-+ if (sr & ISL12024_REG_SR_RTCF) {
-+ dev_warn(&client->dev, "rtc power failure detected, "
-+ "please set clock.\n");
-+ udelay(50);
-+ isl12024_fix_osc(client);
-+ }
-+
-+ /* Register sysfs hooks */
-+ rc = device_create_file(&client->dev, &dev_attr_id);
-+ if (rc < 0)
-+ goto exit_unregister;
-+
-+ return 0;
-+
-+exit_unregister:
-+ rtc_device_unregister(rtc);
-+
-+ return rc;
-+}
-+
-+static int
-+isl12024_remove(struct i2c_client *client)
-+{
-+ struct rtc_device *rtc = i2c_get_clientdata(client);
-+
-+ rtc_device_unregister(rtc);
-+ device_remove_file(&client->dev, &dev_attr_id);
-+
-+ return 0;
-+}
-+
-+static const struct i2c_device_id isl12024_id[] = {
-+ { "isl12024", 0 },
-+ { }
-+};
-+MODULE_DEVICE_TABLE(i2c, isl12024_id);
-+
-+static struct i2c_driver isl12024_driver = {
-+ .driver = {
-+ .name = "rtc-isl12024",
-+ },
-+ .probe = isl12024_probe,
-+ .remove = isl12024_remove,
-+ .id_table = isl12024_id,
-+};
-+
-+/* module init/exit */
-+
-+static int __init isl12024_init(void)
-+{
-+ return i2c_add_driver(&isl12024_driver);
-+}
-+
-+static void __exit isl12024_exit(void)
-+{
-+ i2c_del_driver(&isl12024_driver);
-+}
-+
-+MODULE_AUTHOR("Guillaume Ligneul <guillaume.ligneul@cenosys.com>");
-+MODULE_DESCRIPTION("Intersil ISL12024 driver");
-+MODULE_LICENSE("GPL");
-+MODULE_VERSION(DRV_VERSION);
-+
-+module_init(isl12024_init);
-+module_exit(isl12024_exit);
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-14 16:41:45 +0000