Messages in this thread | | | Date | Mon, 3 Sep 2018 13:28:22 -0700 | From | Bjorn Andersson <> | Subject | Re: [PATCH v2 07/11] thermal: tsens: Add the SROT address map |
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On Tue 28 Aug 06:38 PDT 2018, Amit Kucheria wrote:
> On platforms whose device trees specify two address spaces for TSENS, the > second one points to the SROT registers. Initialise the SROT map on those > platforms. > > Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org> > Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Regards, Bjorn
> --- > drivers/thermal/qcom/tsens-common.c | 14 ++++++++++++-- > drivers/thermal/qcom/tsens.h | 1 + > 2 files changed, 13 insertions(+), 2 deletions(-) > > diff --git a/drivers/thermal/qcom/tsens-common.c b/drivers/thermal/qcom/tsens-common.c > index 0585084630b3..0b8a793f15f4 100644 > --- a/drivers/thermal/qcom/tsens-common.c > +++ b/drivers/thermal/qcom/tsens-common.c > @@ -117,16 +117,26 @@ static const struct regmap_config tsens_config = { > > int __init init_common(struct tsens_device *tmdev) > { > - void __iomem *tm_base; > + void __iomem *tm_base, *srot_base; > struct resource *res; > struct platform_device *op = of_find_device_by_node(tmdev->dev->of_node); > > if (!op) > return -EINVAL; > > - /* The driver only uses the TM register address space for now */ > if (op->num_resources > 1) { > + /* DT with separate SROT and TM address space */ > tmdev->tm_offset = 0; > + res = platform_get_resource(op, IORESOURCE_MEM, 1); > + srot_base = devm_ioremap_resource(&op->dev, res); > + if (IS_ERR(srot_base)) > + return PTR_ERR(srot_base); > + > + tmdev->srot_map = devm_regmap_init_mmio(tmdev->dev, > + srot_base, &tsens_config); > + if (IS_ERR(tmdev->srot_map)) > + return PTR_ERR(tmdev->srot_map); > + > } else { > /* old DTs where SROT and TM were in a contiguous 2K block */ > tmdev->tm_offset = 0x1000; > diff --git a/drivers/thermal/qcom/tsens.h b/drivers/thermal/qcom/tsens.h > index 58e98c4d3a8b..b9c4bcf255fa 100644 > --- a/drivers/thermal/qcom/tsens.h > +++ b/drivers/thermal/qcom/tsens.h > @@ -70,6 +70,7 @@ struct tsens_device { > struct device *dev; > u32 num_sensors; > struct regmap *tm_map; > + struct regmap *srot_map; > u32 tm_offset; > struct tsens_context ctx; > const struct tsens_ops *ops; > -- > 2.17.1 >
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