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-rw-r--r--recipes-bsp/u-boot-mainline/files/0003-thermal-add-i.MX8-thermal-driver.patch257
1 files changed, 0 insertions, 257 deletions
diff --git a/recipes-bsp/u-boot-mainline/files/0003-thermal-add-i.MX8-thermal-driver.patch b/recipes-bsp/u-boot-mainline/files/0003-thermal-add-i.MX8-thermal-driver.patch
deleted file mode 100644
index 93c7bbd..0000000
--- a/recipes-bsp/u-boot-mainline/files/0003-thermal-add-i.MX8-thermal-driver.patch
+++ /dev/null
@@ -1,257 +0,0 @@
-From 9151a1401de39c05cbad1270517c31c41bfb576b Mon Sep 17 00:00:00 2001
-From: Peng Fan <peng.fan@nxp.com>
-Date: Sun, 5 May 2019 13:23:54 +0000
-Subject: [PATCH 03/15] thermal: add i.MX8 thermal driver
-
-Add i.MX8 thermal driver to support get temperature from SCU.
-
-Signed-off-by: Peng Fan <peng.fan@nxp.com>
----
- drivers/thermal/Kconfig | 9 ++
- drivers/thermal/Makefile | 1 +
- drivers/thermal/imx_scu_thermal.c | 203 ++++++++++++++++++++++++++++++++++++++
- 3 files changed, 213 insertions(+)
- create mode 100644 drivers/thermal/imx_scu_thermal.c
-
-diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig
-index a71b9be5fb..bdf8dc6fef 100644
---- a/drivers/thermal/Kconfig
-+++ b/drivers/thermal/Kconfig
-@@ -17,6 +17,15 @@ config IMX_THERMAL
- cpufreq is used as the cooling device to throttle CPUs when the
- passive trip is crossed.
-
-+config IMX_SCU_THERMAL
-+ bool "Temperature sensor driver for NXP i.MX8"
-+ depends on ARCH_IMX8
-+ help
-+ Support for Temperature sensors on NXP i.MX8.
-+ It supports one critical trip point and one passive trip point. The
-+ boot is hold to the cool device to throttle CPUs when the passive
-+ trip is crossed
-+
- config TI_DRA7_THERMAL
- bool "Temperature sensor driver for TI dra7xx SOCs"
- help
-diff --git a/drivers/thermal/Makefile b/drivers/thermal/Makefile
-index cc75e387e4..ef2929d180 100644
---- a/drivers/thermal/Makefile
-+++ b/drivers/thermal/Makefile
-@@ -5,4 +5,5 @@
-
- obj-$(CONFIG_DM_THERMAL) += thermal-uclass.o
- obj-$(CONFIG_IMX_THERMAL) += imx_thermal.o
-+obj-$(CONFIG_IMX_SCU_THERMAL) += imx_scu_thermal.o
- obj-$(CONFIG_TI_DRA7_THERMAL) += ti-bandgap.o
-diff --git a/drivers/thermal/imx_scu_thermal.c b/drivers/thermal/imx_scu_thermal.c
-new file mode 100644
-index 0000000000..7e17377b69
---- /dev/null
-+++ b/drivers/thermal/imx_scu_thermal.c
-@@ -0,0 +1,203 @@
-+// SPDX-License-Identifier: GPL-2.0+
-+/*
-+ * Copyright 2019 NXP
-+ */
-+
-+#include <config.h>
-+#include <common.h>
-+#include <dm.h>
-+#include <errno.h>
-+#include <thermal.h>
-+#include <dm/device-internal.h>
-+#include <dm/device.h>
-+#include <asm/arch/sci/sci.h>
-+
-+DECLARE_GLOBAL_DATA_PTR;
-+
-+struct imx_sc_thermal_plat {
-+ int critical;
-+ int alert;
-+ int polling_delay;
-+ int id;
-+ bool zone_node;
-+};
-+
-+static int read_temperature(struct udevice *dev, int *temp)
-+{
-+ s16 celsius;
-+ s8 tenths;
-+ int ret;
-+
-+ sc_rsrc_t *sensor_rsrc = (sc_rsrc_t *)dev_get_driver_data(dev);
-+
-+ struct imx_sc_thermal_plat *pdata = dev_get_platdata(dev);
-+
-+ if (!temp)
-+ return -EINVAL;
-+
-+ ret = sc_misc_get_temp(-1, sensor_rsrc[pdata->id], SC_C_TEMP,
-+ &celsius, &tenths);
-+ if (ret) {
-+ printf("Error: get temperature failed! (error = %d)\n", ret);
-+ return ret;
-+ }
-+
-+ *temp = celsius * 1000 + tenths * 100;
-+
-+ return 0;
-+}
-+
-+int imx_sc_thermal_get_temp(struct udevice *dev, int *temp)
-+{
-+ struct imx_sc_thermal_plat *pdata = dev_get_platdata(dev);
-+ int cpu_temp = 0;
-+ int ret;
-+
-+ ret = read_temperature(dev, &cpu_temp);
-+ if (ret)
-+ return ret;
-+
-+ while (cpu_temp >= pdata->alert) {
-+ printf("CPU Temperature (%dC) has beyond alert (%dC), close to critical (%dC)",
-+ cpu_temp, pdata->alert, pdata->critical);
-+ puts(" waiting...\n");
-+ mdelay(pdata->polling_delay);
-+ ret = read_temperature(dev, &cpu_temp);
-+ if (ret)
-+ return ret;
-+ }
-+
-+ *temp = cpu_temp / 1000;
-+
-+ return 0;
-+}
-+
-+static const struct dm_thermal_ops imx_sc_thermal_ops = {
-+ .get_temp = imx_sc_thermal_get_temp,
-+};
-+
-+static int imx_sc_thermal_probe(struct udevice *dev)
-+{
-+ debug("%s dev name %s\n", __func__, dev->name);
-+ return 0;
-+}
-+
-+static int imx_sc_thermal_bind(struct udevice *dev)
-+{
-+ struct imx_sc_thermal_plat *pdata = dev_get_platdata(dev);
-+ int reg, ret;
-+ int offset;
-+ const char *name;
-+ const void *prop;
-+
-+ debug("%s dev name %s\n", __func__, dev->name);
-+
-+ prop = fdt_getprop(gd->fdt_blob, dev_of_offset(dev), "compatible",
-+ NULL);
-+ if (!prop)
-+ return 0;
-+
-+ pdata->zone_node = 1;
-+
-+ reg = fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev), "tsens-num", 0);
-+ if (reg == 0) {
-+ printf("%s: no temp sensor number provided!\n", __func__);
-+ return -EINVAL;
-+ }
-+
-+ offset = fdt_subnode_offset(gd->fdt_blob, 0, "thermal-zones");
-+ fdt_for_each_subnode(offset, gd->fdt_blob, offset) {
-+ /* Bind the subnode to this driver */
-+ name = fdt_get_name(gd->fdt_blob, offset, NULL);
-+
-+ ret = device_bind_with_driver_data(dev, dev->driver, name,
-+ dev->driver_data,
-+ offset_to_ofnode(offset),
-+ NULL);
-+ if (ret)
-+ printf("Error binding driver '%s': %d\n",
-+ dev->driver->name, ret);
-+ }
-+ return 0;
-+}
-+
-+static int imx_sc_thermal_ofdata_to_platdata(struct udevice *dev)
-+{
-+ struct imx_sc_thermal_plat *pdata = dev_get_platdata(dev);
-+ struct fdtdec_phandle_args args;
-+ const char *type;
-+ int ret;
-+ int trips_np;
-+
-+ debug("%s dev name %s\n", __func__, dev->name);
-+
-+ if (pdata->zone_node)
-+ return 0;
-+
-+ ret = fdtdec_parse_phandle_with_args(gd->fdt_blob, dev_of_offset(dev),
-+ "thermal-sensors",
-+ "#thermal-sensor-cells",
-+ 0, 0, &args);
-+ if (ret)
-+ return ret;
-+
-+ if (args.node != dev_of_offset(dev->parent))
-+ return -EFAULT;
-+
-+ if (args.args_count >= 1)
-+ pdata->id = args.args[0];
-+ else
-+ pdata->id = 0;
-+
-+ debug("args.args_count %d, id %d\n", args.args_count, pdata->id);
-+
-+ pdata->polling_delay = fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev),
-+ "polling-delay", 1000);
-+
-+ trips_np = fdt_subnode_offset(gd->fdt_blob, dev_of_offset(dev),
-+ "trips");
-+ fdt_for_each_subnode(trips_np, gd->fdt_blob, trips_np) {
-+ type = fdt_getprop(gd->fdt_blob, trips_np, "type", NULL);
-+ if (type) {
-+ if (strcmp(type, "critical") == 0) {
-+ pdata->critical = fdtdec_get_int(gd->fdt_blob,
-+ trips_np,
-+ "temperature",
-+ 85);
-+ } else if (strcmp(type, "passive") == 0) {
-+ pdata->alert = fdtdec_get_int(gd->fdt_blob,
-+ trips_np,
-+ "temperature",
-+ 80);
-+ }
-+ }
-+ }
-+
-+ debug("id %d polling_delay %d, critical %d, alert %d\n", pdata->id,
-+ pdata->polling_delay, pdata->critical, pdata->alert);
-+
-+ return 0;
-+}
-+
-+static const sc_rsrc_t imx8qxp_sensor_rsrc[] = {
-+ SC_R_SYSTEM, SC_R_DRC_0, SC_R_PMIC_0,
-+ SC_R_PMIC_1, SC_R_PMIC_2,
-+};
-+
-+static const struct udevice_id imx_sc_thermal_ids[] = {
-+ { .compatible = "nxp,imx8qxp-sc-tsens", .data =
-+ (ulong)&imx8qxp_sensor_rsrc, },
-+ { }
-+};
-+
-+U_BOOT_DRIVER(imx_sc_thermal) = {
-+ .name = "imx_sc_thermal",
-+ .id = UCLASS_THERMAL,
-+ .ops = &imx_sc_thermal_ops,
-+ .of_match = imx_sc_thermal_ids,
-+ .bind = imx_sc_thermal_bind,
-+ .probe = imx_sc_thermal_probe,
-+ .ofdata_to_platdata = imx_sc_thermal_ofdata_to_platdata,
-+ .platdata_auto_alloc_size = sizeof(struct imx_sc_thermal_plat),
-+ .flags = DM_FLAG_PRE_RELOC,
-+};
---
-2.13.6
-
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