Commit cd905830 authored by Svyatoslav Ryhel's avatar Svyatoslav Ryhel Committed by Chanwoo Choi
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PM / devfreq: tegra30-devfreq: add support for Tegra114 



Lets add Tegra114 support to activity monitor device as a preparation to
upcoming EMC controller support.

Signed-off-by: default avatarSvyatoslav Ryhel <clamor95@gmail.com>
Reviewed-by: default avatarMikko Perttunen <mperttunen@nvidia.com>
Acked-by: default avatarDmitry Osipenko <digetx@gmail.com>
Acked-by: default avatarMyungJoo Ham <myungjoo.ham@gmail.com>
Signed-off-by: default avatarChanwoo Choi <cw00.choi@samsung.com>
Link: https://lore.kernel.org/lkml/20260126185423.77786-1-clamor95@gmail.com/
parent 943a872f

drivers/devfreq/tegra30-devfreq.c

+12 −5
Original line number Diff line number Diff line
@@ -941,16 +941,22 @@ static int tegra_devfreq_probe(struct platform_device *pdev) 
	return 0;

}



static const struct tegra_devfreq_soc_data tegra124_soc = {

	.configs = tegra124_device_configs,



/*

	 * Activity counter is incremented every 256 memory transactions,

	 * and each transaction takes 4 EMC clocks.

 * The activity counter is incremented every 256 memory transactions. However,

 * the number of clock cycles required for each transaction varies across

 * different SoC generations. For instance, a single transaction takes 2 EMC

 * clocks on Tegra30, 1 EMC clock on Tegra114, and 4 EMC clocks on Tegra124.

 */

static const struct tegra_devfreq_soc_data tegra124_soc = {

	.configs = tegra124_device_configs,

	.count_weight = 4 * 256,

};



static const struct tegra_devfreq_soc_data tegra114_soc = {

	.configs = tegra124_device_configs,

	.count_weight = 256,

};



static const struct tegra_devfreq_soc_data tegra30_soc = {

	.configs = tegra30_device_configs,

	.count_weight = 2 * 256,
@@ -958,6 +964,7 @@ static const struct tegra_devfreq_soc_data tegra30_soc = { 


static const struct of_device_id tegra_devfreq_of_match[] = {

	{ .compatible = "nvidia,tegra30-actmon",  .data = &tegra30_soc, },

	{ .compatible = "nvidia,tegra114-actmon", .data = &tegra114_soc, },

	{ .compatible = "nvidia,tegra124-actmon", .data = &tegra124_soc, },

	{ },

};