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interconnect: icc-rpm: Add support for bus power domain 

Add support for attaching to a power domain. This is required
for Aggregate 0 NoC on MSM8996, which is powered by a GDSC.

Signed-off-by: Yassine Oudjana <y.oudjana@protonmail.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Tested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> #db820c
Link: https://lore.kernel.org/r/20211021132329.234942-3-y.oudjana@protonmail.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
This commit is contained in:
Yassine Oudjana 2021-10-21 13:24:42 +00:00 committed by Georgi Djakov
parent 45c548cc5b
commit 7de109c0ab
2 changed files with 8 additions and 0 deletions
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7
drivers/interconnect/qcom/icc-rpm.c
View File

@ -11,6 +11,7 @@
#include <linux/of_device.h>
#include <linux/of_platform.h>
#include <linux/platform_device.h>
#include <linux/pm_domain.h>
#include <linux/regmap.h>
#include <linux/slab.h>
@ -340,6 +341,12 @@ int qnoc_probe(struct platform_device *pdev)
if (ret)
return ret;
if (desc->has_bus_pd) {
ret = dev_pm_domain_attach(dev, true);
if (ret)
return ret;
}
provider = &qp->provider;
INIT_LIST_HEAD(&provider->nodes);
provider->dev = dev;

1
drivers/interconnect/qcom/icc-rpm.h
View File

@ -77,6 +77,7 @@ struct qcom_icc_desc {
size_t num_nodes;
const char * const *clocks;
size_t num_clocks;
bool has_bus_pd;
bool is_bimc_node;
const struct regmap_config *regmap_cfg;
unsigned int qos_offset;