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Merge branches 'thermal-soc-misc' and 'thermal-soc-qoriq' into thermal-soc

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This commit is contained in:
Zhang Rui 2019-08-28 21:09:00 +08:00
commit 6b221b0af7
2 changed files with 31 additions and 15 deletions
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1
Documentation/devicetree/bindings/thermal/qoriq-thermal.txt
View File

@ -23,6 +23,7 @@ Required properties:
Optional property:
- little-endian : If present, the TMU registers are little endian. If absent,
the default is big endian.
- clocks : the clock for clocking the TMU silicon.
Example:

45
drivers/thermal/qoriq_thermal.c
View File

@ -2,6 +2,7 @@
//
// Copyright 2016 Freescale Semiconductor, Inc.
#include <linux/clk.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/err.h>
@ -72,6 +73,7 @@ struct qoriq_sensor {
struct qoriq_tmu_data {
struct qoriq_tmu_regs __iomem *regs;
struct clk *clk;
bool little_endian;
struct qoriq_sensor *sensor[SITES_MAX];
};
@ -202,32 +204,39 @@ static int qoriq_tmu_probe(struct platform_device *pdev)
data->little_endian = of_property_read_bool(np, "little-endian");
data->regs = of_iomap(np, 0);
if (!data->regs) {
data->regs = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(data->regs)) {
dev_err(&pdev->dev, "Failed to get memory region\n");
ret = -ENODEV;
goto err_iomap;
return PTR_ERR(data->regs);
}
data->clk = devm_clk_get_optional(&pdev->dev, NULL);
if (IS_ERR(data->clk))
return PTR_ERR(data->clk);
ret = clk_prepare_enable(data->clk);
if (ret) {
dev_err(&pdev->dev, "Failed to enable clock\n");
return ret;
}
qoriq_tmu_init_device(data); /* TMU initialization */
ret = qoriq_tmu_calibration(pdev); /* TMU calibration */
if (ret < 0)
goto err_tmu;
goto err;
ret = qoriq_tmu_register_tmu_zone(pdev);
if (ret < 0) {
dev_err(&pdev->dev, "Failed to register sensors\n");
ret = -ENODEV;
goto err_iomap;
goto err;
}
return 0;
err_tmu:
iounmap(data->regs);
err_iomap:
err:
clk_disable_unprepare(data->clk);
platform_set_drvdata(pdev, NULL);
return ret;
@ -240,14 +249,14 @@ static int qoriq_tmu_remove(struct platform_device *pdev)
/* Disable monitoring */
tmu_write(data, TMR_DISABLE, &data->regs->tmr);
iounmap(data->regs);
clk_disable_unprepare(data->clk);
platform_set_drvdata(pdev, NULL);
return 0;
}
#ifdef CONFIG_PM_SLEEP
static int qoriq_tmu_suspend(struct device *dev)
static int __maybe_unused qoriq_tmu_suspend(struct device *dev)
{
u32 tmr;
struct qoriq_tmu_data *data = dev_get_drvdata(dev);
@ -257,14 +266,21 @@ static int qoriq_tmu_suspend(struct device *dev)
tmr &= ~TMR_ME;
tmu_write(data, tmr, &data->regs->tmr);
clk_disable_unprepare(data->clk);
return 0;
}
static int qoriq_tmu_resume(struct device *dev)
static int __maybe_unused qoriq_tmu_resume(struct device *dev)
{
u32 tmr;
int ret;
struct qoriq_tmu_data *data = dev_get_drvdata(dev);
ret = clk_prepare_enable(data->clk);
if (ret)
return ret;
/* Enable monitoring */
tmr = tmu_read(data, &data->regs->tmr);
tmr |= TMR_ME;
@ -272,7 +288,6 @@ static int qoriq_tmu_resume(struct device *dev)
return 0;
}
#endif
static SIMPLE_DEV_PM_OPS(qoriq_tmu_pm_ops,
qoriq_tmu_suspend, qoriq_tmu_resume);