Commit bad0d126 authored by Tudor Ambarus's avatar Tudor Ambarus Committed by Krzysztof Kozlowski
Browse files

firmware: exynos-acpm: register ACPM clocks pdev 



Register by hand a platform device for the ACPM clocks.
The ACPM clocks are not modeled as a DT child of ACPM because:
1/ they don't have their own resources.
2/ they are not a block that can be reused. The clock identifying
   data is reduced (clock ID, clock name and mailbox channel ID)
   and may differ from a SoC to another.

Signed-off-by: default avatarTudor Ambarus <tudor.ambarus@linaro.org>
Reviewed-by: default avatarPeter Griffin <peter.griffin@linaro.org>
Tested-by: Peter Griffin <peter.griffin@linaro.org> # on gs101-oriole
Link: https://patch.msgid.link/20251010-acpm-clk-v6-3-321ee8826fd4@linaro.org


Signed-off-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
parent 84a222d1

drivers/firmware/samsung/exynos-acpm.c

+21 −0
Original line number Diff line number Diff line
@@ -177,9 +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)
@@ -604,9 +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;
@@ -647,6 +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);

}
@@ -746,6 +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[] = {