mfd: twl4030-power: Add a configuration to turn off oscillator during off-idle

[firefly-linux-kernel-4.4.55.git] / drivers / mfd / twl4030-power.c

diff --git a/drivers/mfd/twl4030-power.c b/drivers/mfd/twl4030-power.c
index 4846c7b48ebb3d86b41836730390efa1713944a1..3bc969a5916b8249c193a44e71eb89c4c077be85 100644 (file)
--- a/drivers/mfd/twl4030-power.c
+++ b/drivers/mfd/twl4030-power.c
@@ -761,6 +761,19 @@ static struct twl4030_power_data omap3_idle = {
        .resource_config        = omap3_idle_rconfig,
 };
 
+/* Disable 32 KiHz oscillator during idle */
+static struct twl4030_resconfig osc_off_rconfig[] = {
+       TWL_REMAP_OFF(RES_CLKEN, DEV_GRP_P1 | DEV_GRP_P3, 3, 2),
+       { /* Terminator */ },
+};
+
+static struct twl4030_power_data osc_off_idle = {
+       .scripts                = omap3_idle_scripts,
+       .num                    = ARRAY_SIZE(omap3_idle_scripts),
+       .resource_config        = omap3_idle_rconfig,
+       .board_config           = osc_off_rconfig,
+};
+
 static struct of_device_id twl4030_power_of_match[] = {
        {
                .compatible = "ti,twl4030-power-reset",
@@ -770,6 +783,10 @@ static struct of_device_id twl4030_power_of_match[] = {
                .compatible = "ti,twl4030-power-idle",
                .data = &omap3_idle,
        },
+       {
+               .compatible = "ti,twl4030-power-idle-osc-off",
+               .data = &osc_off_idle,
+       },
        { },
 };
 MODULE_DEVICE_TABLE(of, twl4030_power_of_match);