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path: root/drivers/firmware/samsung/exynos-acpm.c
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Diffstat (limited to 'drivers/firmware/samsung/exynos-acpm.c')
-rw-r--r--drivers/firmware/samsung/exynos-acpm.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/firmware/samsung/exynos-acpm.c b/drivers/firmware/samsung/exynos-acpm.c
index 3a69fe3234c7..0cb269c70460 100644
--- a/drivers/firmware/samsung/exynos-acpm.c
+++ b/drivers/firmware/samsung/exynos-acpm.c
@@ -29,6 +29,7 @@
#include <linux/types.h>
#include "exynos-acpm.h"
+#include "exynos-acpm-dvfs.h"
#include "exynos-acpm-pmic.h"
#define ACPM_PROTOCOL_SEQNUM GENMASK(21, 16)
@@ -176,9 +177,11 @@ struct acpm_info {
/**
* struct acpm_match_data - of_device_id data.
* @initdata_base: offset in SRAM where the channels configuration resides.
+ * @acpm_clk_dev_name: base name for the ACPM clocks device that we're registering.
*/
struct acpm_match_data {
loff_t initdata_base;
+ const char *acpm_clk_dev_name;
};
#define client_to_acpm_chan(c) container_of(c, struct acpm_chan, cl)
@@ -590,8 +593,12 @@ static int acpm_channels_init(struct acpm_info *acpm)
*/
static void acpm_setup_ops(struct acpm_info *acpm)
{
+ struct acpm_dvfs_ops *dvfs_ops = &acpm->handle.ops.dvfs_ops;
struct acpm_pmic_ops *pmic_ops = &acpm->handle.ops.pmic_ops;
+ dvfs_ops->set_rate = acpm_dvfs_set_rate;
+ dvfs_ops->get_rate = acpm_dvfs_get_rate;
+
pmic_ops->read_reg = acpm_pmic_read_reg;
pmic_ops->bulk_read = acpm_pmic_bulk_read;
pmic_ops->write_reg = acpm_pmic_write_reg;
@@ -599,9 +606,15 @@ static void acpm_setup_ops(struct acpm_info *acpm)
pmic_ops->update_reg = acpm_pmic_update_reg;
}
+static void acpm_clk_pdev_unregister(void *data)
+{
+ platform_device_unregister(data);
+}
+
static int acpm_probe(struct platform_device *pdev)
{
const struct acpm_match_data *match_data;
+ struct platform_device *acpm_clk_pdev;
struct device *dev = &pdev->dev;
struct device_node *shmem;
struct acpm_info *acpm;
@@ -642,6 +655,18 @@ static int acpm_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, acpm);
+ acpm_clk_pdev = platform_device_register_data(dev,
+ match_data->acpm_clk_dev_name,
+ PLATFORM_DEVID_NONE, NULL, 0);
+ if (IS_ERR(acpm_clk_pdev))
+ return dev_err_probe(dev, PTR_ERR(acpm_clk_pdev),
+ "Failed to register ACPM clocks device.\n");
+
+ ret = devm_add_action_or_reset(dev, acpm_clk_pdev_unregister,
+ acpm_clk_pdev);
+ if (ret)
+ return dev_err_probe(dev, ret, "Failed to add devm action.\n");
+
return devm_of_platform_populate(dev);
}
@@ -741,6 +766,7 @@ EXPORT_SYMBOL_GPL(devm_acpm_get_by_node);
static const struct acpm_match_data acpm_gs101 = {
.initdata_base = ACPM_GS101_INITDATA_BASE,
+ .acpm_clk_dev_name = "gs101-acpm-clk",
};
static const struct of_device_id acpm_match[] = {