Commit 7784a6eb authored by Boris Brezillon's avatar Boris Brezillon Committed by Ludovic Desroches
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ARM: dts: at91: sama5d2_xplained: Add proper regulator states for suspend-to-mem 



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: default avatarBoris Brezillon <boris.brezillon@bootlin.com>
[claudiu.beznea@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: default avatarClaudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: default avatarLudovic Desroches <ludovic.desroches@microchip.com>
parent 1ba8994f

arch/arm/boot/dts/at91-sama5d2_xplained.dts

+54 −0
Original line number Diff line number Diff line
@@ -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;

							};

						};

					};