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powerpc/4xx: Add Canyonlands suspend and idle support
- Add Clock Power Management (CPM) node to dts tree - Add idle-doze entry in CPM node - Add standby entry in CPM node - Add PM and SUSPEND support by default in defconfig - Remove UART2 and UART3 as they are unused, this will allow CPM to put unused-units (UART2 and UART3) to sleep. Signed-off-by: Victor Gallardo <vgallardo@apm.com> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
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05ed60874e
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2 changed files with 12 additions and 22 deletions
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@ -105,6 +105,15 @@ CPR0: cpr {
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dcr-reg = <0x00c 0x002>;
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};
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CPM0: cpm {
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compatible = "ibm,cpm";
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dcr-access-method = "native";
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dcr-reg = <0x160 0x003>;
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unused-units = <0x00000100>;
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idle-doze = <0x02000000>;
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standby = <0xfeff791d>;
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};
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L2C0: l2c {
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compatible = "ibm,l2-cache-460ex", "ibm,l2-cache";
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dcr-reg = <0x020 0x008 /* Internal SRAM DCR's */
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@ -270,28 +279,6 @@ UART1: serial@ef600400 {
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interrupts = <0x1 0x4>;
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};
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UART2: serial@ef600500 {
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device_type = "serial";
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compatible = "ns16550";
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reg = <0xef600500 0x00000008>;
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virtual-reg = <0xef600500>;
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clock-frequency = <0>; /* Filled in by U-Boot */
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current-speed = <0>; /* Filled in by U-Boot */
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interrupt-parent = <&UIC1>;
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interrupts = <28 0x4>;
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};
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UART3: serial@ef600600 {
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device_type = "serial";
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compatible = "ns16550";
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reg = <0xef600600 0x00000008>;
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virtual-reg = <0xef600600>;
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clock-frequency = <0>; /* Filled in by U-Boot */
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current-speed = <0>; /* Filled in by U-Boot */
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interrupt-parent = <&UIC1>;
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interrupts = <29 0x4>;
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};
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IIC0: i2c@ef600700 {
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compatible = "ibm,iic-460ex", "ibm,iic";
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reg = <0xef600700 0x00000014>;
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@ -42,6 +42,9 @@ CONFIG_MTD_PHYSMAP_OF=y
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CONFIG_MTD_NAND=y
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CONFIG_MTD_NAND_NDFC=y
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CONFIG_PROC_DEVICETREE=y
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CONFIG_PM=y
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CONFIG_SUSPEND=y
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CONFIG_PPC4xx_CPM=y
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CONFIG_BLK_DEV_RAM=y
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CONFIG_BLK_DEV_RAM_SIZE=35000
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# CONFIG_MISC_DEVICES is not set
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