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thermal: imx_thermal: rework driver to be reused

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Rework imx_thermal driver to be used across i.MX
processor that support thermal sensor

Signed-off-by: Adrian Alonso <aalonso@freescale.com>
Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
This commit is contained in:
Adrian Alonso
2015-09-02 13:54:13 -05:00
committed by Stefano Babic
parent 15c52b3ddd
commit 1368f99346
13 changed files with 28 additions and 26 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/thermal/Makefile
View File

@@ -6,4 +6,4 @@
#
obj-$(CONFIG_DM_THERMAL) += thermal-uclass.o
obj-$(CONFIG_IMX6_THERMAL) += imx_thermal.o
obj-$(CONFIG_IMX_THERMAL) += imx_thermal.o

18
drivers/thermal/imx_thermal.c
View File

@@ -41,7 +41,7 @@ struct thermal_data {
int maxc;
};
static int read_cpu_temperature(struct udevice *dev)
static int read_cpu_temperature_mx6(struct udevice *dev)
{
int temperature;
unsigned int reg, n_meas;
@@ -129,13 +129,15 @@ int imx_thermal_get_temp(struct udevice *dev, int *temp)
struct thermal_data *priv = dev_get_priv(dev);
int cpu_tmp = 0;
cpu_tmp = read_cpu_temperature(dev);
if (is_soc_type(MXC_SOC_MX6))
cpu_tmp = read_cpu_temperature_mx6(dev);
while (cpu_tmp >= priv->critical) {
printf("CPU Temperature (%dC) too close to max (%dC)",
cpu_tmp, priv->maxc);
puts(" waiting...\n");
udelay(5000000);
cpu_tmp = read_cpu_temperature(dev);
if (is_soc_type(MXC_SOC_MX6))
cpu_tmp = read_cpu_temperature_mx6(dev);
}
*temp = cpu_tmp;
@@ -157,10 +159,12 @@ static int imx_thermal_probe(struct udevice *dev)
/* Read Temperature calibration data fuse */
fuse_read(pdata->fuse_bank, pdata->fuse_word, &fuse);
/* Check for valid fuse */
if (fuse == 0 || fuse == ~0) {
printf("CPU: Thermal invalid data, fuse: 0x%x\n", fuse);
return -EPERM;
if (is_soc_type(MXC_SOC_MX6)) {
/* Check for valid fuse */
if (fuse == 0 || fuse == ~0) {
printf("CPU: Thermal invalid data, fuse: 0x%x\n", fuse);
return -EPERM;
}
}
/* set critical cooling temp */