lantiq: switch to kernel 4.14

[openwrt/openwrt.git] / target / linux / lantiq / patches-4.9 / 0302-xrx200-add-sensors-driver.patch

diff --git a/target/linux/lantiq/patches-4.9/0302-xrx200-add-sensors-driver.patch b/target/linux/lantiq/patches-4.9/0302-xrx200-add-sensors-driver.patch
deleted file mode 100644 (file)
index 7e0051e..0000000
--- a/target/linux/lantiq/patches-4.9/0302-xrx200-add-sensors-driver.patch
+++ /dev/null
@@ -1,184 +0,0 @@
---- a/drivers/hwmon/Makefile
-+++ b/drivers/hwmon/Makefile
-@@ -109,6 +109,7 @@ obj-$(CONFIG_SENSORS_LTC4222)      += ltc4222
- obj-$(CONFIG_SENSORS_LTC4245) += ltc4245.o
- obj-$(CONFIG_SENSORS_LTC4260) += ltc4260.o
- obj-$(CONFIG_SENSORS_LTC4261) += ltc4261.o
-+obj-$(CONFIG_SENSORS_LTQ_CPUTEMP) += ltq-cputemp.o
- obj-$(CONFIG_SENSORS_MAX1111) += max1111.o
- obj-$(CONFIG_SENSORS_MAX16065)        += max16065.o
- obj-$(CONFIG_SENSORS_MAX1619) += max1619.o
---- a/drivers/hwmon/Kconfig
-+++ b/drivers/hwmon/Kconfig
-@@ -780,6 +780,14 @@ config SENSORS_LTC4261
-         This driver can also be built as a module. If so, the module will
-         be called ltc4261.
- 
-+config SENSORS_LTQ_CPUTEMP
-+      bool "Lantiq CPU temperature sensor"
-+      depends on LANTIQ
-+      default n
-+      help
-+        If you say yes here you get support for the temperature
-+        sensor inside your CPU.
-+
- config SENSORS_MAX1111
-       tristate "Maxim MAX1111 Serial 8-bit ADC chip and compatibles"
-       depends on SPI_MASTER
---- /dev/null
-+++ b/drivers/hwmon/ltq-cputemp.c
-@@ -0,0 +1,154 @@
-+/* Lantiq CPU Temperatur sensor driver for xrx200
-+ *
-+ * Copyright (C) 2016 Florian Eckert <feckert@tdt.de>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License as published by
-+ * the Free Software Foundation; either version 2 of the License, or
-+ * (at your option) any later version
-+ *
-+ * This program is distributed in the hope that it will be useful
-+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-+ * GNU General Public License for more details
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with this program; if not, see <http://www.gnu.org/licenses/>
-+ */
-+
-+#include <linux/module.h>
-+#include <linux/init.h>
-+#include <linux/delay.h>
-+#include <linux/of_device.h>
-+#include <linux/hwmon.h>
-+#include <linux/hwmon-sysfs.h>
-+
-+#include <lantiq_soc.h>
-+
-+/* gphy1 configuration register contains cpu temperature */
-+#define CGU_GPHY1_CR   0x0040
-+#define CGU_TEMP_PD    BIT(19)
-+
-+static void ltq_cputemp_enable(void)
-+{
-+      ltq_cgu_w32(ltq_cgu_r32(CGU_GPHY1_CR) | CGU_TEMP_PD, CGU_GPHY1_CR);
-+
-+      /* wait a short moment to let the SoC get the first temperatur value */
-+      mdelay(100);
-+}
-+
-+static void ltq_cputemp_disable(void)
-+{
-+      ltq_cgu_w32(ltq_cgu_r32(CGU_GPHY1_CR) & ~CGU_TEMP_PD, CGU_GPHY1_CR);
-+}
-+
-+static int ltq_cputemp_read(void)
-+{
-+      int value;
-+
-+      /* get the temperature including one decimal place */
-+      value = (ltq_cgu_r32(CGU_GPHY1_CR) >> 9) & 0x01FF;
-+      value = (value << 2 ) + value;
-+
-+      /* range -38 to +154 °C, register value zero is -38.0 °C */
-+      value -= 380;
-+
-+      return value;
-+}
-+
-+static ssize_t show_cputemp(struct device *dev,
-+                      struct device_attribute *attr, char *buf)
-+{
-+      int value;
-+
-+      value = ltq_cputemp_read();
-+      /* scale temp to millidegree */
-+      value = value * 100;
-+
-+      return sprintf(buf, "%d\n", value);
-+}
-+
-+static DEVICE_ATTR(temp1_input, S_IRUGO, show_cputemp, NULL);
-+
-+static struct attribute *ltq_cputemp_attrs[] = {
-+      &dev_attr_temp1_input.attr,
-+      NULL
-+};
-+
-+ATTRIBUTE_GROUPS(ltq_cputemp);
-+
-+static int ltq_cputemp_probe(struct platform_device *pdev)
-+{
-+      int value = 0;
-+      int ret;
-+      struct device *hwmon_dev;
-+
-+      /* available on vr9 v1.2 SoCs only */
-+      if (ltq_soc_type() != SOC_TYPE_VR9_2)
-+              return -ENODEV;
-+
-+      hwmon_dev = devm_hwmon_device_register_with_groups(&pdev->dev,
-+                                                      "CPU0",
-+                                                      NULL,
-+                                                      ltq_cputemp_groups);
-+
-+      if (IS_ERR(hwmon_dev)) {
-+              dev_err(&pdev->dev, "Failed to register as hwmon device");
-+              ret = PTR_ERR(hwmon_dev);
-+              goto error_hwmon;
-+      }
-+
-+      ltq_cputemp_enable();
-+      value = ltq_cputemp_read();
-+      dev_info(&pdev->dev, "Current CPU die temperature: %d.%d °C", value / 10, value % 10);
-+
-+      return 0;
-+
-+error_hwmon:
-+      return ret;
-+}
-+
-+static int ltq_cputemp_release(struct platform_device *pdev)
-+{
-+      hwmon_device_unregister(&pdev->dev);
-+      ltq_cputemp_disable();
-+      return 0;
-+}
-+
-+const struct of_device_id ltq_cputemp_match[] = {
-+      { .compatible = "lantiq,cputemp" },
-+      {},
-+};
-+MODULE_DEVICE_TABLE(of, ltq_cputemp_match);
-+
-+static struct platform_driver ltq_cputemp_driver = {
-+      .probe = ltq_cputemp_probe,
-+      .remove = ltq_cputemp_release,
-+      .driver = {
-+              .name = "ltq-cputemp",
-+              .owner = THIS_MODULE,
-+              .of_match_table = ltq_cputemp_match,
-+      },
-+};
-+
-+int __init init_ltq_cputemp(void)
-+{
-+      int ret;
-+
-+      ret = platform_driver_register(&ltq_cputemp_driver);
-+      return ret;
-+}
-+
-+void clean_ltq_cputemp(void)
-+{
-+      platform_driver_unregister(&ltq_cputemp_driver);
-+      return;
-+}
-+
-+module_init(init_ltq_cputemp);
-+module_exit(clean_ltq_cputemp);
-+
-+MODULE_AUTHOR("Florian Eckert <feckert@tdt.de>");
-+
-+MODULE_DESCRIPTION("Lantiq Temperature Sensor");
-+MODULE_LICENSE("GPL");