From: Boris Brezillon <boris.brezil...@bootlin.com> When entering suspend-to-mem, all PMIC outputs are disabled except VDDIODDR which is put in power saving mode, and whose voltage is increased (probably to counter the poor accuracy of power saving mode).
Signed-off-by: Boris Brezillon <boris.brezil...@bootlin.com>
[claudiu.bez...@microchip.com: use regulator-changeable-in-suspend,
regulator-suspend-max-microvolt, regulator-suspend-max-microvolt,
use macros for regulators' states, add regulator-inital-state]
Signed-off-by: Claudiu Beznea <claudiu.bez...@microchip.com>
---
arch/arm/boot/dts/at91-sama5d2_xplained.dts | 54 +++++++++++++++++++++++++++++
1 file changed, 54 insertions(+)
diff --git a/arch/arm/boot/dts/at91-sama5d2_xplained.dts
b/arch/arm/boot/dts/at91-sama5d2_xplained.dts
index 518e2b095ccf..438e6576cf7c 100644
--- a/arch/arm/boot/dts/at91-sama5d2_xplained.dts
+++ b/arch/arm/boot/dts/at91-sama5d2_xplained.dts
@@ -47,6 +47,7 @@
#include "sama5d2-pinfunc.h"
#include <dt-bindings/mfd/atmel-flexcom.h>
#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/regulator/active-semi,8945a-regulator.h>
/ {
model = "Atmel SAMA5D2 Xplained";
@@ -181,49 +182,102 @@
regulator-name =
"VDD_1V35";
regulator-min-microvolt
= <1350000>;
regulator-max-microvolt
= <1350000>;
+ regulator-allowed-modes
= <ACT8945A_REGULATOR_MODE_FIXED>,
+
<ACT8945A_REGULATOR_MODE_LOWPOWER>;
+ regulator-initial-mode
= <ACT8945A_REGULATOR_MODE_FIXED>;
regulator-always-on;
+
+ regulator-state-mem {
+
regulator-on-in-suspend;
+
regulator-suspend-min-microvolt=<1400000>;
+
regulator-suspend-max-microvolt=<1400000>;
+
regulator-changeable-in-suspend;
+
regulator-mode=<ACT8945A_REGULATOR_MODE_LOWPOWER>;
+ };
};
vdd_1v2_reg: REG_DCDC2 {
regulator-name =
"VDD_1V2";
regulator-min-microvolt
= <1100000>;
regulator-max-microvolt
= <1300000>;
+ regulator-allowed-modes
= <ACT8945A_REGULATOR_MODE_FIXED>,
+
<ACT8945A_REGULATOR_MODE_LOWPOWER>;
+ regulator-initial-mode
= <ACT8945A_REGULATOR_MODE_FIXED>;
regulator-always-on;
+
+ regulator-state-mem {
+
regulator-off-in-suspend;
+ };
};
vdd_3v3_reg: REG_DCDC3 {
regulator-name =
"VDD_3V3";
regulator-min-microvolt
= <3300000>;
regulator-max-microvolt
= <3300000>;
+ regulator-allowed-modes
= <ACT8945A_REGULATOR_MODE_FIXED>,
+
<ACT8945A_REGULATOR_MODE_LOWPOWER>;
+ regulator-initial-mode
= <ACT8945A_REGULATOR_MODE_FIXED>;
regulator-always-on;
+
+ regulator-state-mem {
+
regulator-off-in-suspend;
+ };
};
vdd_fuse_reg: REG_LDO1 {
regulator-name =
"VDD_FUSE";
regulator-min-microvolt
= <2500000>;
regulator-max-microvolt
= <2500000>;
+ regulator-allowed-modes
= <ACT8945A_REGULATOR_MODE_NORMAL>,
+
<ACT8945A_REGULATOR_MODE_LOWPOWER>;
+ regulator-initial-mode
= <ACT8945A_REGULATOR_MODE_NORMAL>;
regulator-always-on;
+
+ regulator-state-mem {
+
regulator-off-in-suspend;
+ };
};
vdd_3v3_lp_reg: REG_LDO2 {
regulator-name =
"VDD_3V3_LP";
regulator-min-microvolt
= <3300000>;
regulator-max-microvolt
= <3300000>;
+ regulator-allowed-modes
= <ACT8945A_REGULATOR_MODE_NORMAL>,
+
<ACT8945A_REGULATOR_MODE_LOWPOWER>;
+ regulator-initial-mode
= <ACT8945A_REGULATOR_MODE_NORMAL>;
regulator-always-on;
+
+ regulator-state-mem {
+
regulator-off-in-suspend;
+ };
};
vdd_led_reg: REG_LDO3 {
regulator-name =
"VDD_LED";
regulator-min-microvolt
= <3300000>;
regulator-max-microvolt
= <3300000>;
+ regulator-allowed-modes
= <ACT8945A_REGULATOR_MODE_NORMAL>,
+
<ACT8945A_REGULATOR_MODE_LOWPOWER>;
+ regulator-initial-mode
= <ACT8945A_REGULATOR_MODE_NORMAL>;
regulator-always-on;
+
+ regulator-state-mem {
+
regulator-off-in-suspend;
+ };
};
vdd_sdhc_1v8_reg: REG_LDO4 {
regulator-name =
"VDD_SDHC_1V8";
regulator-min-microvolt
= <1800000>;
regulator-max-microvolt
= <1800000>;
+ regulator-allowed-modes
= <ACT8945A_REGULATOR_MODE_NORMAL>,
+
<ACT8945A_REGULATOR_MODE_LOWPOWER>;
+ regulator-initial-mode
= <ACT8945A_REGULATOR_MODE_NORMAL>;
regulator-always-on;
+
+ regulator-state-mem {
+
regulator-off-in-suspend;
+ };
};
};
--
2.7.4
