diff options
| author | Olof Johansson <olof@lixom.net> | 2020-10-03 13:15:03 -0700 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2020-10-03 13:15:05 -0700 |
| commit | 025565212d39bca8ddcf3c3907effe863654038f (patch) | |
| tree | 8d6d01cac4187426e6d1519b2bdf66fcb992d8fe /arch/arm/mach-omap2/pm34xx.c | |
| parent | 1d004afe5fae271a334d3cd199a204740a76d438 (diff) | |
| parent | fb2c599f056640d289b2147fbe6d9eaee689f1b2 (diff) | |
Merge tag 'omap-for-v5.10/soc-part2-v2-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/soc
One more SoC change for omaps for v5.10 merge window
Remove debugfs dependency for enabling off mode during idle
for omap3 by enabling it automatically based on the PMIC
configuration.
* tag 'omap-for-v5.10/soc-part2-v2-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: omap3: enable off mode automatically
Link: https://lore.kernel.org/r/pull-1601445968-476435@atomide.com
Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'arch/arm/mach-omap2/pm34xx.c')
| -rw-r--r-- | arch/arm/mach-omap2/pm34xx.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c index f5dfddf492e2..71c1d18aafbc 100644 --- a/arch/arm/mach-omap2/pm34xx.c +++ b/arch/arm/mach-omap2/pm34xx.c @@ -25,6 +25,7 @@ #include <linux/clk.h> #include <linux/delay.h> #include <linux/slab.h> +#include <linux/of.h> #include <linux/omap-gpmc.h> #include <trace/events/power.h> @@ -410,7 +411,12 @@ static int __init pwrdms_setup(struct powerdomain *pwrdm, void *unused) if (!pwrst) return -ENOMEM; pwrst->pwrdm = pwrdm; - pwrst->next_state = PWRDM_POWER_RET; + + if (enable_off_mode) + pwrst->next_state = PWRDM_POWER_OFF; + else + pwrst->next_state = PWRDM_POWER_RET; + list_add(&pwrst->node, &pwrst_list); if (pwrdm_has_hdwr_sar(pwrdm)) @@ -444,6 +450,22 @@ static void __init pm_errata_configure(void) } } +static void __init omap3_pm_check_pmic(void) +{ + struct device_node *np; + + np = of_find_compatible_node(NULL, NULL, "ti,twl4030-power-idle"); + if (!np) + np = of_find_compatible_node(NULL, NULL, "ti,twl4030-power-idle-osc-off"); + + if (np) { + of_node_put(np); + enable_off_mode = 1; + } else { + enable_off_mode = 0; + } +} + int __init omap3_pm_init(void) { struct power_state *pwrst, *tmp; @@ -477,6 +499,8 @@ int __init omap3_pm_init(void) goto err2; } + omap3_pm_check_pmic(); + ret = pwrdm_for_each(pwrdms_setup, NULL); if (ret) { pr_err("Failed to setup powerdomains\n"); |