diff options
Diffstat (limited to 'drivers/thermal/qcom/tsens-common.c')
| -rw-r--r-- | drivers/thermal/qcom/tsens-common.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/thermal/qcom/tsens-common.c b/drivers/thermal/qcom/tsens-common.c index b1449ad67fc0..c22dc18c7c65 100644 --- a/drivers/thermal/qcom/tsens-common.c +++ b/drivers/thermal/qcom/tsens-common.c @@ -16,6 +16,7 @@ #include <linux/io.h> #include <linux/nvmem-consumer.h> #include <linux/of_address.h> +#include <linux/of_platform.h> #include <linux/platform_device.h> #include <linux/regmap.h> #include "tsens.h" @@ -126,11 +127,22 @@ static const struct regmap_config tsens_config = { int __init init_common(struct tsens_device *tmdev) { void __iomem *base; + struct platform_device *op = of_find_device_by_node(tmdev->dev->of_node); + if (!op) + return -EINVAL; base = of_iomap(tmdev->dev->of_node, 0); if (!base) return -EINVAL; + /* The driver only uses the TM register address space for now */ + if (op->num_resources > 1) { + tmdev->tm_offset = 0; + } else { + /* old DTs where SROT and TM were in a contiguous 2K block */ + tmdev->tm_offset = 0x1000; + } + tmdev->map = devm_regmap_init_mmio(tmdev->dev, base, &tsens_config); if (IS_ERR(tmdev->map)) { iounmap(base); |