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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: Boris 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: Claudiu Beznea <claudiu.beznea@microchip.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Ludovic Desroches <ludovic.desroches@microchip.com>
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@ -47,6 +47,7 @@
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#include "sama5d2-pinfunc.h"
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#include <dt-bindings/mfd/atmel-flexcom.h>
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/regulator/active-semi,8945a-regulator.h>
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/ {
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model = "Atmel SAMA5D2 Xplained";
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@ -181,49 +182,102 @@ vdd_1v35_reg: REG_DCDC1 {
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regulator-name = "VDD_1V35";
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regulator-min-microvolt = <1350000>;
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regulator-max-microvolt = <1350000>;
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regulator-allowed-modes = <ACT8945A_REGULATOR_MODE_FIXED>,
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<ACT8945A_REGULATOR_MODE_LOWPOWER>;
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regulator-initial-mode = <ACT8945A_REGULATOR_MODE_FIXED>;
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regulator-always-on;
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regulator-state-mem {
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regulator-on-in-suspend;
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regulator-suspend-min-microvolt=<1400000>;
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regulator-suspend-max-microvolt=<1400000>;
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regulator-changeable-in-suspend;
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regulator-mode=<ACT8945A_REGULATOR_MODE_LOWPOWER>;
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};
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};
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vdd_1v2_reg: REG_DCDC2 {
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regulator-name = "VDD_1V2";
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regulator-min-microvolt = <1100000>;
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regulator-max-microvolt = <1300000>;
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regulator-allowed-modes = <ACT8945A_REGULATOR_MODE_FIXED>,
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<ACT8945A_REGULATOR_MODE_LOWPOWER>;
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regulator-initial-mode = <ACT8945A_REGULATOR_MODE_FIXED>;
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regulator-always-on;
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regulator-state-mem {
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regulator-off-in-suspend;
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};
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};
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vdd_3v3_reg: REG_DCDC3 {
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regulator-name = "VDD_3V3";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-allowed-modes = <ACT8945A_REGULATOR_MODE_FIXED>,
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<ACT8945A_REGULATOR_MODE_LOWPOWER>;
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regulator-initial-mode = <ACT8945A_REGULATOR_MODE_FIXED>;
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regulator-always-on;
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regulator-state-mem {
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regulator-off-in-suspend;
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};
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};
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vdd_fuse_reg: REG_LDO1 {
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regulator-name = "VDD_FUSE";
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regulator-min-microvolt = <2500000>;
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regulator-max-microvolt = <2500000>;
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regulator-allowed-modes = <ACT8945A_REGULATOR_MODE_NORMAL>,
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<ACT8945A_REGULATOR_MODE_LOWPOWER>;
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regulator-initial-mode = <ACT8945A_REGULATOR_MODE_NORMAL>;
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regulator-always-on;
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regulator-state-mem {
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regulator-off-in-suspend;
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};
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};
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vdd_3v3_lp_reg: REG_LDO2 {
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regulator-name = "VDD_3V3_LP";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-allowed-modes = <ACT8945A_REGULATOR_MODE_NORMAL>,
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<ACT8945A_REGULATOR_MODE_LOWPOWER>;
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regulator-initial-mode = <ACT8945A_REGULATOR_MODE_NORMAL>;
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regulator-always-on;
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regulator-state-mem {
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regulator-off-in-suspend;
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};
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};
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vdd_led_reg: REG_LDO3 {
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regulator-name = "VDD_LED";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-allowed-modes = <ACT8945A_REGULATOR_MODE_NORMAL>,
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<ACT8945A_REGULATOR_MODE_LOWPOWER>;
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regulator-initial-mode = <ACT8945A_REGULATOR_MODE_NORMAL>;
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regulator-always-on;
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regulator-state-mem {
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regulator-off-in-suspend;
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};
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};
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vdd_sdhc_1v8_reg: REG_LDO4 {
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regulator-name = "VDD_SDHC_1V8";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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regulator-allowed-modes = <ACT8945A_REGULATOR_MODE_NORMAL>,
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<ACT8945A_REGULATOR_MODE_LOWPOWER>;
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regulator-initial-mode = <ACT8945A_REGULATOR_MODE_NORMAL>;
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regulator-always-on;
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regulator-state-mem {
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regulator-off-in-suspend;
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};
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};
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};
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