From mboxrd@z Thu Jan 1 00:00:00 1970 From: Claudiu.Beznea@microchip.com (Claudiu.Beznea at microchip.com) Date: Tue, 27 Nov 2018 11:57:21 +0000 Subject: [PATCH v2 4/5] ARM: dts: at91: sama5d2_xplained: Add proper regulator states for suspend-to-mem In-Reply-To: <1543319801-19100-1-git-send-email-claudiu.beznea@microchip.com> References: <1543319801-19100-1-git-send-email-claudiu.beznea@microchip.com> Message-ID: <1543319801-19100-5-git-send-email-claudiu.beznea@microchip.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Boris Brezillon 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 [claudiu.beznea at 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 --- 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 #include +#include / { model = "Atmel SAMA5D2 Xplained"; @@ -181,49 +182,102 @@ regulator-name = "VDD_1V35"; regulator-min-microvolt = <1350000>; regulator-max-microvolt = <1350000>; + regulator-allowed-modes = , + ; + regulator-initial-mode = ; 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=; + }; }; vdd_1v2_reg: REG_DCDC2 { regulator-name = "VDD_1V2"; regulator-min-microvolt = <1100000>; regulator-max-microvolt = <1300000>; + regulator-allowed-modes = , + ; + regulator-initial-mode = ; 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 = , + ; + regulator-initial-mode = ; 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 = , + ; + regulator-initial-mode = ; 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 = , + ; + regulator-initial-mode = ; 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 = , + ; + regulator-initial-mode = ; 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 = , + ; + regulator-initial-mode = ; regulator-always-on; + + regulator-state-mem { + regulator-off-in-suspend; + }; }; }; -- 2.7.4