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090727b880
The following error is seen after a suspend/resume cycle on a mx53qsb with a
MC34708 PMIC:
root@freescale /$ echo mem > /sys/power/state
[ 32.630592] PM: Syncing filesystems ... done.
[ 32.643924] Freezing user space processes ... (elapsed 0.001 seconds) done.
[ 32.652384] Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done.
[ 32.679156] PM: suspend of devices complete after 13.113 msecs
[ 32.685128] PM: suspend devices took 0.030 seconds
[ 32.696109] PM: late suspend of devices complete after 6.133 msecs
[ 33.313032] mc13xxx 0-0008: Failed to read IRQ status: -110
[ 33.322009] PM: noirq suspend of devices complete after 619.667 msecs
[ 33.328544] Disabling non-boot CPUs ...
[ 33.335031] PM: noirq resume of devices complete after 2.352 msecs
[ 33.842940] mc13xxx 0-0008: Failed to read IRQ status: -110
[ 33.976095] [sched_delayed] sched: RT throttling activated
[ 33.984804] PM: early resume of devices complete after 642.642 msecs
[ 34.352954] mc13xxx 0-0008: Failed to read IRQ status: -110
[ 34.862910] mc13xxx 0-0008: Failed to read IRQ status: -110
[ 34.996595] PM: resume of devices complete after 1005.367 msecs
[ 35.372925] mc13xxx 0-0008: Failed to read IRQ status: -110
[ 35.882911] mc13xxx 0-0008: Failed to read IRQ status: -110
[ 35.955707] PM: resume devices took 1.970 seconds
[ 35.960445] Restarting tasks ... done.
[ 35.993386] fec 63fec000.ethernet eth0: Link is Down
[ 36.392980] mc13xxx 0-0008: Failed to read IRQ status: -110
[ 36.902908] mc13xxx 0-0008: Failed to read IRQ status: -110
[ 36.953036] ata1: SATA link down (SStatus 0 SControl 300)
[ 37.412922] mc13xxx 0-0008: Failed to read IRQ status: -110
[ 37.922906] mc13xxx 0-0008: Failed to read IRQ status: -110
[ 37.993379] fec 63fec000.ethernet eth0: Link is Up - 100Mbps/Full - flow control rx/tx
[ 38.432938] mc13xxx 0-0008: Failed to read IRQ status: -110
[ 38.942920] mc13xxx 0-0008: Failed to read IRQ status: -110
[ 39.452933] mc13xxx 0-0008: Failed to read IRQ status: -110
(flood of this error message continues forever)
Commit 5169df8be0
("ARM: dts: i.MX53: add support for MCIMX53-START-R")
missed to configure the IOMUX for the PMIC IRQ pin.
Configure the PMIC IRQ pin so that the suspend/resume sequence behaves cleanly
as expected.
Cc: <stable@vger.kernel.org> # 3.16
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
167 lines
3.5 KiB
Plaintext
167 lines
3.5 KiB
Plaintext
/*
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* Copyright 2011 Freescale Semiconductor, Inc.
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* Copyright 2011 Linaro Ltd.
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*
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* The code contained herein is licensed under the GNU General Public
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* License. You may obtain a copy of the GNU General Public License
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* Version 2 or later at the following locations:
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*
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* http://www.opensource.org/licenses/gpl-license.html
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* http://www.gnu.org/copyleft/gpl.html
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*/
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/dts-v1/;
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#include "imx53-qsb-common.dtsi"
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/ {
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model = "Freescale i.MX53 Quick Start-R Board";
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compatible = "fsl,imx53-qsrb", "fsl,imx53";
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};
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&iomuxc {
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i2c1 {
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/* open drain */
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pinctrl_i2c1_qsrb: i2c1grp-1 {
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fsl,pins = <
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MX53_PAD_CSI0_DAT8__I2C1_SDA 0x400001ec
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MX53_PAD_CSI0_DAT9__I2C1_SCL 0x400001ec
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>;
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};
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pinctrl_pmic: pmicgrp {
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fsl,pins = <
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MX53_PAD_CSI0_DAT5__GPIO5_23 0x1e4 /* IRQ */
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>;
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};
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};
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};
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&i2c1 {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_i2c1_qsrb>;
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status = "okay";
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pmic: mc34708@8 {
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compatible = "fsl,mc34708";
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_pmic>;
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reg = <0x08>;
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interrupt-parent = <&gpio5>;
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interrupts = <23 0x8>;
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regulators {
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sw1_reg: sw1a {
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regulator-name = "SW1";
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regulator-min-microvolt = <650000>;
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regulator-max-microvolt = <1437500>;
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regulator-boot-on;
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regulator-always-on;
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};
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sw1b_reg: sw1b {
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regulator-name = "SW1B";
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regulator-min-microvolt = <650000>;
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regulator-max-microvolt = <1437500>;
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regulator-boot-on;
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regulator-always-on;
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};
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sw2_reg: sw2 {
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regulator-name = "SW2";
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regulator-min-microvolt = <650000>;
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regulator-max-microvolt = <1437500>;
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regulator-boot-on;
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regulator-always-on;
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};
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sw3_reg: sw3 {
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regulator-name = "SW3";
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regulator-min-microvolt = <650000>;
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regulator-max-microvolt = <1425000>;
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regulator-boot-on;
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};
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sw4a_reg: sw4a {
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regulator-name = "SW4A";
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regulator-min-microvolt = <1200000>;
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regulator-max-microvolt = <3300000>;
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regulator-boot-on;
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regulator-always-on;
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};
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sw4b_reg: sw4b {
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regulator-name = "SW4B";
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regulator-min-microvolt = <1200000>;
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regulator-max-microvolt = <3300000>;
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regulator-boot-on;
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regulator-always-on;
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};
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sw5_reg: sw5 {
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regulator-name = "SW5";
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regulator-min-microvolt = <1200000>;
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regulator-max-microvolt = <1975000>;
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regulator-boot-on;
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regulator-always-on;
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};
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swbst_reg: swbst {
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regulator-name = "SWBST";
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regulator-boot-on;
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regulator-always-on;
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};
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vpll_reg: vpll {
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regulator-name = "VPLL";
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regulator-min-microvolt = <1200000>;
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regulator-max-microvolt = <1800000>;
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regulator-boot-on;
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};
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vrefddr_reg: vrefddr {
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regulator-name = "VREFDDR";
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regulator-boot-on;
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regulator-always-on;
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};
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vusb_reg: vusb {
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regulator-name = "VUSB";
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regulator-boot-on;
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regulator-always-on;
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};
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vusb2_reg: vusb2 {
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regulator-name = "VUSB2";
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regulator-min-microvolt = <2500000>;
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regulator-max-microvolt = <3000000>;
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regulator-boot-on;
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regulator-always-on;
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};
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vdac_reg: vdac {
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regulator-name = "VDAC";
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regulator-min-microvolt = <2500000>;
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regulator-max-microvolt = <2775000>;
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regulator-boot-on;
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regulator-always-on;
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};
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vgen1_reg: vgen1 {
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regulator-name = "VGEN1";
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regulator-min-microvolt = <1200000>;
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regulator-max-microvolt = <1550000>;
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regulator-boot-on;
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regulator-always-on;
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};
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vgen2_reg: vgen2 {
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regulator-name = "VGEN2";
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regulator-min-microvolt = <2500000>;
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regulator-max-microvolt = <3300000>;
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regulator-boot-on;
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regulator-always-on;
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};
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};
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};
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};
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