Commit a15525b5 authored by Amit Kucheria's avatar Amit Kucheria Committed by Eduardo Valentin
Browse files

thermal: tsens: Add the SROT address map 



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: default avatarAmit Kucheria <amit.kucheria@linaro.org>
Reviewed-by: default avatarMatthias Kaehlcke <mka@chromium.org>
Reviewed-by: default avatarBjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: default avatarEduardo Valentin <edubezval@gmail.com>
parent 67b0f5e0

drivers/thermal/qcom/tsens-common.c

+12 −2
Original line number Diff line number Diff line
@@ -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;

drivers/thermal/qcom/tsens.h

+1 −0
Original line number Diff line number Diff line
@@ -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;

CRA Git | Maintained and supported by SUSTech CRA and CCSE