[PATCH] commands: add pm_domain for listing power domains

[Sascha Hauer]

On Mon, Sep 05, 2022 at 09:04:48AM +0200, Ahmad Fatoum wrote:
> Like the regulator command, this new pm_domain command gives an easy
> way for listing registered power domains and whether barebox had them
> activated.
> 
> Signed-off-by: Ahmad Fatoum <a.fatoum at pengutronix.de>
> ---
>  commands/Kconfig     |  8 ++++++++
>  commands/Makefile    |  1 +
>  commands/pm_domain.c | 18 ++++++++++++++++++
>  drivers/base/power.c | 10 ++++++++++
>  include/pm_domain.h  |  2 ++
>  5 files changed, 39 insertions(+)
>  create mode 100644 commands/pm_domain.c

Applied, thanks

Sascha

> 
> diff --git a/commands/Kconfig b/commands/Kconfig
> index 3e21dc4c0500..9894ecb9aa31 100644
> --- a/commands/Kconfig
> +++ b/commands/Kconfig
> @@ -240,6 +240,14 @@ config CMD_REGULATOR
>  	  the regulator command lists the currently registered regulators and
>  	  their current state.
>  
> +config CMD_PM_DOMAIN
> +	bool
> +	depends on PM_GENERIC_DOMAINS
> +	prompt "pm_domain command"
> +	help
> +	  The pm_domain command lists the currently registered power domains and
> +	  their current state.
> +
>  config CMD_NVMEM
>  	bool
>  	depends on NVMEM
> diff --git a/commands/Makefile b/commands/Makefile
> index 0aae8893d696..068fbb32dad7 100644
> --- a/commands/Makefile
> +++ b/commands/Makefile
> @@ -116,6 +116,7 @@ obj-$(CONFIG_CMD_READF)		+= readf.o
>  obj-$(CONFIG_CMD_MENUTREE)	+= menutree.o
>  obj-$(CONFIG_CMD_2048)		+= 2048.o
>  obj-$(CONFIG_CMD_REGULATOR)	+= regulator.o
> +obj-$(CONFIG_CMD_PM_DOMAIN)	+= pm_domain.o
>  obj-$(CONFIG_CMD_LSPCI)		+= lspci.o
>  obj-$(CONFIG_CMD_IMD)		+= imd.o
>  obj-$(CONFIG_CMD_HWCLOCK)	+= hwclock.o
> diff --git a/commands/pm_domain.c b/commands/pm_domain.c
> new file mode 100644
> index 000000000000..ec8b769df193
> --- /dev/null
> +++ b/commands/pm_domain.c
> @@ -0,0 +1,18 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +
> +#include <common.h>
> +#include <command.h>
> +#include <pm_domain.h>
> +
> +static int do_pm_domain(int argc, char *argv[])
> +{
> +	pm_genpd_print();
> +
> +	return 0;
> +}
> +
> +BAREBOX_CMD_START(pm_domain)
> +	.cmd		= do_pm_domain,
> +	BAREBOX_CMD_DESC("list power domains")
> +	BAREBOX_CMD_GROUP(CMD_GRP_INFO)
> +BAREBOX_CMD_END
> diff --git a/drivers/base/power.c b/drivers/base/power.c
> index 4a206051b137..3eabf3c897b2 100644
> --- a/drivers/base/power.c
> +++ b/drivers/base/power.c
> @@ -266,3 +266,13 @@ int genpd_dev_pm_attach(struct device_d *dev)
>  	return __genpd_dev_pm_attach(dev, dev->device_node, 0, true);
>  }
>  EXPORT_SYMBOL_GPL(genpd_dev_pm_attach);
> +
> +void pm_genpd_print(void)
> +{
> +	struct generic_pm_domain *genpd;
> +
> +	printf("%-20s %6s\n", "name", "active");
> +	list_for_each_entry(genpd, &gpd_list, gpd_list_node)
> +		printf("%-20s %6s\n", genpd->name,
> +		       genpd->status == GPD_STATE_ACTIVE ? "on" : "off");
> +}
> diff --git a/include/pm_domain.h b/include/pm_domain.h
> index 48fd170007fd..ff1aa3751165 100644
> --- a/include/pm_domain.h
> +++ b/include/pm_domain.h
> @@ -54,6 +54,8 @@ int pm_genpd_init(struct generic_pm_domain *genpd, void *gov, bool is_off);
>  int of_genpd_add_provider_simple(struct device_node *np,
>  				 struct generic_pm_domain *genpd);
>  
> +void pm_genpd_print(void);
> +
>  #else
>  
>  static inline int pm_genpd_init(struct generic_pm_domain *genpd,
> -- 
> 2.30.2
> 
> 
> 

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