[PATCH 3/5] powerpc/85xx: Add power management support for MPC85xxMDS boards
Anton Vorontsov
avorontsov at ru.mvista.com
Mon Aug 31 05:37:21 EST 2009
- Add power management controller nodes;
- Add interrupts for RTC nodes, the RTC interrupt may be used as a
wakeup source;
- Add sleep properties and sleep-nexus nodes.
Signed-off-by: Anton Vorontsov <avorontsov at ru.mvista.com>
---
arch/powerpc/boot/dts/mpc8568mds.dts | 119 +++++++++++++++++++----------
arch/powerpc/boot/dts/mpc8569mds.dts | 111 ++++++++++++++++++---------
arch/powerpc/platforms/85xx/mpc85xx_mds.c | 1 +
3 files changed, 153 insertions(+), 78 deletions(-)
diff --git a/arch/powerpc/boot/dts/mpc8568mds.dts b/arch/powerpc/boot/dts/mpc8568mds.dts
index 00c2bbd..6d892ba 100644
--- a/arch/powerpc/boot/dts/mpc8568mds.dts
+++ b/arch/powerpc/boot/dts/mpc8568mds.dts
@@ -40,6 +40,8 @@
i-cache-line-size = <32>; // 32 bytes
d-cache-size = <0x8000>; // L1, 32K
i-cache-size = <0x8000>; // L1, 32K
+ sleep = <&pmc 0x00008000 // core
+ &pmc 0x00004000>; // timebase
timebase-frequency = <0>;
bus-frequency = <0>;
clock-frequency = <0>;
@@ -94,31 +96,41 @@
interrupts = <16 2>;
};
- i2c at 3000 {
+ i2c-sleep-nexus {
#address-cells = <1>;
- #size-cells = <0>;
- cell-index = <0>;
- compatible = "fsl-i2c";
- reg = <0x3000 0x100>;
- interrupts = <43 2>;
- interrupt-parent = <&mpic>;
- dfsrr;
+ #size-cells = <1>;
+ compatible = "simple-bus";
+ sleep = <&pmc 0x00000004>;
+ ranges;
- rtc at 68 {
- compatible = "dallas,ds1374";
- reg = <0x68>;
+ i2c at 3000 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ cell-index = <0>;
+ compatible = "fsl-i2c";
+ reg = <0x3000 0x100>;
+ interrupts = <43 2>;
+ interrupt-parent = <&mpic>;
+ dfsrr;
+
+ rtc at 68 {
+ compatible = "dallas,ds1374";
+ reg = <0x68>;
+ interrupts = <3 1>;
+ interrupt-parent = <&mpic>;
+ };
};
- };
- i2c at 3100 {
- #address-cells = <1>;
- #size-cells = <0>;
- cell-index = <1>;
- compatible = "fsl-i2c";
- reg = <0x3100 0x100>;
- interrupts = <43 2>;
- interrupt-parent = <&mpic>;
- dfsrr;
+ i2c at 3100 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ cell-index = <1>;
+ compatible = "fsl-i2c";
+ reg = <0x3100 0x100>;
+ interrupts = <43 2>;
+ interrupt-parent = <&mpic>;
+ dfsrr;
+ };
};
dma at 21300 {
@@ -128,6 +140,8 @@
reg = <0x21300 0x4>;
ranges = <0x0 0x21100 0x200>;
cell-index = <0>;
+ sleep = <&pmc 0x00000400>;
+
dma-channel at 0 {
compatible = "fsl,mpc8568-dma-channel",
"fsl,eloplus-dma-channel";
@@ -176,6 +190,7 @@
interrupt-parent = <&mpic>;
tbi-handle = <&tbi0>;
phy-handle = <&phy2>;
+ sleep = <&pmc 0x00000080>;
mdio at 520 {
#address-cells = <1>;
@@ -228,6 +243,7 @@
interrupt-parent = <&mpic>;
tbi-handle = <&tbi1>;
phy-handle = <&phy3>;
+ sleep = <&pmc 0x00000040>;
mdio at 520 {
#address-cells = <1>;
@@ -242,30 +258,47 @@
};
};
- serial0: serial at 4500 {
- cell-index = <0>;
- device_type = "serial";
- compatible = "ns16550";
- reg = <0x4500 0x100>;
- clock-frequency = <0>;
- interrupts = <42 2>;
- interrupt-parent = <&mpic>;
+ duart-sleep-nexus {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "simple-bus";
+ sleep = <&pmc 0x00000002>;
+ ranges;
+
+ serial0: serial at 4500 {
+ cell-index = <0>;
+ device_type = "serial";
+ compatible = "ns16550";
+ reg = <0x4500 0x100>;
+ clock-frequency = <0>;
+ interrupts = <42 2>;
+ interrupt-parent = <&mpic>;
+ };
+
+ serial1: serial at 4600 {
+ cell-index = <1>;
+ device_type = "serial";
+ compatible = "ns16550";
+ reg = <0x4600 0x100>;
+ clock-frequency = <0>;
+ interrupts = <42 2>;
+ interrupt-parent = <&mpic>;
+ };
};
- global-utilities at e0000 { //global utilities block
- compatible = "fsl,mpc8548-guts";
+ global-utilities at e0000 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "fsl,mpc8568-guts", "fsl,mpc8548-guts";
reg = <0xe0000 0x1000>;
+ ranges = <0 0xe0000 0x1000>;
fsl,has-rstcr;
- };
- serial1: serial at 4600 {
- cell-index = <1>;
- device_type = "serial";
- compatible = "ns16550";
- reg = <0x4600 0x100>;
- clock-frequency = <0>;
- interrupts = <42 2>;
- interrupt-parent = <&mpic>;
+ pmc: power at 70 {
+ compatible = "fsl,mpc8568-pmc",
+ "fsl,mpc8548-pmc";
+ reg = <0x70 0x20>;
+ };
};
crypto at 30000 {
@@ -277,6 +310,7 @@
fsl,channel-fifo-len = <24>;
fsl,exec-units-mask = <0xfe>;
fsl,descriptor-types-mask = <0x12b0ebf>;
+ sleep = <&pmc 0x01000000>;
};
mpic: pic at 40000 {
@@ -376,6 +410,7 @@
compatible = "fsl,qe";
ranges = <0x0 0xe0080000 0x40000>;
reg = <0xe0080000 0x480>;
+ sleep = <&pmc 0x00000800>;
brg-frequency = <0>;
bus-frequency = <396000000>;
fsl,qe-num-riscs = <2>;
@@ -509,6 +544,7 @@
bus-range = <0 255>;
ranges = <0x2000000 0x0 0x80000000 0x80000000 0x0 0x20000000
0x1000000 0x0 0x0 0xe2000000 0x0 0x800000>;
+ sleep = <&pmc 0x80000000>;
clock-frequency = <66666666>;
#interrupt-cells = <1>;
#size-cells = <2>;
@@ -534,6 +570,7 @@
bus-range = <0 255>;
ranges = <0x2000000 0x0 0xa0000000 0xa0000000 0x0 0x10000000
0x1000000 0x0 0x0 0xe2800000 0x0 0x800000>;
+ sleep = <&pmc 0x20000000>;
clock-frequency = <33333333>;
#interrupt-cells = <1>;
#size-cells = <2>;
@@ -570,5 +607,7 @@
55 2 /* msg2_tx */
56 2 /* msg2_rx */>;
interrupt-parent = <&mpic>;
+ sleep = <&pmc 0x00080000 /* controller */
+ &pmc 0x00040000>; /* message unit */
};
};
diff --git a/arch/powerpc/boot/dts/mpc8569mds.dts b/arch/powerpc/boot/dts/mpc8569mds.dts
index 880f896..b35e62c 100644
--- a/arch/powerpc/boot/dts/mpc8569mds.dts
+++ b/arch/powerpc/boot/dts/mpc8569mds.dts
@@ -41,6 +41,8 @@
i-cache-line-size = <32>; // 32 bytes
d-cache-size = <0x8000>; // L1, 32K
i-cache-size = <0x8000>; // L1, 32K
+ sleep = <&pmc 0x00008000 // core
+ &pmc 0x00004000>; // timebase
timebase-frequency = <0>;
bus-frequency = <0>;
clock-frequency = <0>;
@@ -59,6 +61,7 @@
reg = <0xe0005000 0x1000>;
interrupts = <19 2>;
interrupt-parent = <&mpic>;
+ sleep = <&pmc 0x08000000>;
ranges = <0x0 0x0 0xfe000000 0x02000000
0x1 0x0 0xf8000000 0x00008000
@@ -158,51 +161,69 @@
interrupts = <18 2>;
};
- i2c at 3000 {
+ i2c-sleep-nexus {
#address-cells = <1>;
- #size-cells = <0>;
- cell-index = <0>;
- compatible = "fsl-i2c";
- reg = <0x3000 0x100>;
- interrupts = <43 2>;
- interrupt-parent = <&mpic>;
- dfsrr;
+ #size-cells = <1>;
+ compatible = "simple-bus";
+ sleep = <&pmc 0x00000004>;
+ ranges;
+
+ i2c at 3000 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ cell-index = <0>;
+ compatible = "fsl-i2c";
+ reg = <0x3000 0x100>;
+ interrupts = <43 2>;
+ interrupt-parent = <&mpic>;
+ dfsrr;
+
+ rtc at 68 {
+ compatible = "dallas,ds1374";
+ reg = <0x68>;
+ interrupts = <3 1>;
+ interrupt-parent = <&mpic>;
+ };
+ };
- rtc at 68 {
- compatible = "dallas,ds1374";
- reg = <0x68>;
+ i2c at 3100 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ cell-index = <1>;
+ compatible = "fsl-i2c";
+ reg = <0x3100 0x100>;
+ interrupts = <43 2>;
+ interrupt-parent = <&mpic>;
+ dfsrr;
};
};
- i2c at 3100 {
+ duart-sleep-nexus {
#address-cells = <1>;
- #size-cells = <0>;
- cell-index = <1>;
- compatible = "fsl-i2c";
- reg = <0x3100 0x100>;
- interrupts = <43 2>;
- interrupt-parent = <&mpic>;
- dfsrr;
- };
+ #size-cells = <1>;
+ compatible = "simple-bus";
+ sleep = <&pmc 0x00000002>;
+ ranges;
- serial0: serial at 4500 {
- cell-index = <0>;
- device_type = "serial";
- compatible = "ns16550";
- reg = <0x4500 0x100>;
- clock-frequency = <0>;
- interrupts = <42 2>;
- interrupt-parent = <&mpic>;
- };
+ serial0: serial at 4500 {
+ cell-index = <0>;
+ device_type = "serial";
+ compatible = "ns16550";
+ reg = <0x4500 0x100>;
+ clock-frequency = <0>;
+ interrupts = <42 2>;
+ interrupt-parent = <&mpic>;
+ };
- serial1: serial at 4600 {
- cell-index = <1>;
- device_type = "serial";
- compatible = "ns16550";
- reg = <0x4600 0x100>;
- clock-frequency = <0>;
- interrupts = <42 2>;
- interrupt-parent = <&mpic>;
+ serial1: serial at 4600 {
+ cell-index = <1>;
+ device_type = "serial";
+ compatible = "ns16550";
+ reg = <0x4600 0x100>;
+ clock-frequency = <0>;
+ interrupts = <42 2>;
+ interrupt-parent = <&mpic>;
+ };
};
L2: l2-cache-controller at 20000 {
@@ -260,6 +281,7 @@
reg = <0x2e000 0x1000>;
interrupts = <72 0x8>;
interrupt-parent = <&mpic>;
+ sleep = <&pmc 0x00200000>;
/* Filled in by U-Boot */
clock-frequency = <0>;
status = "disabled";
@@ -276,6 +298,7 @@
fsl,channel-fifo-len = <24>;
fsl,exec-units-mask = <0xbfe>;
fsl,descriptor-types-mask = <0x3ab0ebf>;
+ sleep = <&pmc 0x01000000>;
};
mpic: pic at 40000 {
@@ -304,9 +327,18 @@
};
global-utilities at e0000 {
- compatible = "fsl,mpc8569-guts";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "fsl,mpc8569-guts", "fsl,mpc8548-guts";
reg = <0xe0000 0x1000>;
+ ranges = <0 0xe0000 0x1000>;
fsl,has-rstcr;
+
+ pmc: power at 70 {
+ compatible = "fsl,mpc8569-pmc",
+ "fsl,mpc8548-pmc";
+ reg = <0x70 0x20>;
+ };
};
par_io at e0100 {
@@ -422,6 +454,7 @@
compatible = "fsl,qe";
ranges = <0x0 0xe0080000 0x40000>;
reg = <0xe0080000 0x480>;
+ sleep = <&pmc 0x00000800>;
brg-frequency = <0>;
bus-frequency = <0>;
fsl,qe-num-riscs = <4>;
@@ -680,6 +713,7 @@
bus-range = <0 255>;
ranges = <0x2000000 0x0 0xa0000000 0xa0000000 0x0 0x10000000
0x1000000 0x0 0x00000000 0xe2800000 0x0 0x00800000>;
+ sleep = <&pmc 0x20000000>;
clock-frequency = <33333333>;
pcie at 0 {
reg = <0x0 0x0 0x0 0x0 0x0>;
@@ -710,5 +744,6 @@
55 2 /* msg2_tx */
56 2 /* msg2_rx */>;
interrupt-parent = <&mpic>;
+ sleep = <&pmc 0x00080000>;
};
};
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_mds.c b/arch/powerpc/platforms/85xx/mpc85xx_mds.c
index 20a61d0..995ddad 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_mds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_mds.c
@@ -300,6 +300,7 @@ static struct of_device_id mpc85xx_ids[] = {
{ .compatible = "fsl,qe", },
{ .compatible = "gianfar", },
{ .compatible = "fsl,rapidio-delta", },
+ { .compatible = "fsl,mpc8548-guts", },
{},
};
--
1.6.3.3
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