diff options
author | Arnd Bergmann <arnd@arndb.de> | 2013-06-20 02:06:36 +0200 |
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committer | Arnd Bergmann <arnd@arndb.de> | 2013-06-20 02:06:36 +0200 |
commit | d5a51af940efec07c969bdb5fe478bb518116404 (patch) | |
tree | 26291e51122081d929e3cac3d441ee5efbfa75d6 /arch/arm | |
parent | Merge tag 'zynq-dt-for-3.11' of git://git.xilinx.com/linux-xlnx into next/dt (diff) | |
parent | ARM: mxs: dt: Add Crystalfontz CFA-10057 device tree (diff) | |
download | linux-d5a51af940efec07c969bdb5fe478bb518116404.tar.xz linux-d5a51af940efec07c969bdb5fe478bb518116404.zip |
Merge tag 'mxs-dt-3.11' of git://git.linaro.org/people/shawnguo/linux-2.6 into next/dt
From Shawn Guo:
mxs device tree changes for 3.11:
* A couple of new board support, cfa10055 and cfa10057
* A few updates on cfa10036 device tree source
* Some auart pinctrl data addition
* Adopt soc bus infrastructure for mach-mxs
* tag 'mxs-dt-3.11' of git://git.linaro.org/people/shawnguo/linux-2.6:
ARM: mxs: dt: Add Crystalfontz CFA-10057 device tree
ARM: mxs: dt: Add the Crystalfontz CFA-10055 device tree
ARM: cfa10049: Switch the chip select pin of the LCD controller
ARM: cfa10036: Add USB0 OTG port
ARM: dts: apf28dev: Add touchscreen support for APF28dev
ARM: mxs: Fix UARTs on M28EVK
ARM: cfa10036: dt: Change i2c0 clock frequency
ARM: dts: cfa10036: Change the OLED display to SSD1306
ARM: mx28: add auart4 2 pins pinmux to imx28.dtsi
ARM: mx28: add auart3 2 pins pinmux to imx28.dtsi
ARM: mx28: add auart2 2 pins pinmux to imx28.dtsi
ARM: mxs: Use soc bus infrastructure
ARM: dts: mx28: Adjust the digctl compatible string
ARM: mxs: Remove init_irq declaration in machine description
Includes an update to 3.10-rc6
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm')
30 files changed, 714 insertions, 59 deletions
diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile index 3580d57ea218..79e9bdbfc491 100644 --- a/arch/arm/boot/compressed/Makefile +++ b/arch/arm/boot/compressed/Makefile @@ -124,7 +124,7 @@ KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS)) endif ccflags-y := -fpic -mno-single-pic-base -fno-builtin -I$(obj) -asflags-y := -Wa,-march=all -DZIMAGE +asflags-y := -DZIMAGE # Supply kernel BSS size to the decompressor via a linker symbol. KBSS_SZ = $(shell $(CROSS_COMPILE)size $(obj)/../../../../vmlinux | \ diff --git a/arch/arm/boot/compressed/debug.S b/arch/arm/boot/compressed/debug.S index 6e8382d5b7a4..5392ee63338f 100644 --- a/arch/arm/boot/compressed/debug.S +++ b/arch/arm/boot/compressed/debug.S @@ -1,6 +1,8 @@ #include <linux/linkage.h> #include <asm/assembler.h> +#ifndef CONFIG_DEBUG_SEMIHOSTING + #include CONFIG_DEBUG_LL_INCLUDE ENTRY(putc) @@ -10,3 +12,29 @@ ENTRY(putc) busyuart r3, r1 mov pc, lr ENDPROC(putc) + +#else + +ENTRY(putc) + adr r1, 1f + ldmia r1, {r2, r3} + add r2, r2, r1 + ldr r1, [r2, r3] + strb r0, [r1] + mov r0, #0x03 @ SYS_WRITEC + ARM( svc #0x123456 ) + THUMB( svc #0xab ) + mov pc, lr + .align 2 +1: .word _GLOBAL_OFFSET_TABLE_ - . + .word semi_writec_buf(GOT) +ENDPROC(putc) + + .bss + .global semi_writec_buf + .type semi_writec_buf, %object +semi_writec_buf: + .space 4 + .size semi_writec_buf, 4 + +#endif diff --git a/arch/arm/boot/compressed/head-sa1100.S b/arch/arm/boot/compressed/head-sa1100.S index 6179d94dd5c6..3115e313d9f6 100644 --- a/arch/arm/boot/compressed/head-sa1100.S +++ b/arch/arm/boot/compressed/head-sa1100.S @@ -11,6 +11,7 @@ #include <asm/mach-types.h> .section ".start", "ax" + .arch armv4 __SA1100_start: diff --git a/arch/arm/boot/compressed/head-shark.S b/arch/arm/boot/compressed/head-shark.S index 089c560e07f1..92b56897ed64 100644 --- a/arch/arm/boot/compressed/head-shark.S +++ b/arch/arm/boot/compressed/head-shark.S @@ -18,6 +18,7 @@ .section ".start", "ax" + .arch armv4 b __beginning __ofw_data: .long 0 @ the number of memory blocks diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S index fe4d9c3ad761..032a8d987148 100644 --- a/arch/arm/boot/compressed/head.S +++ b/arch/arm/boot/compressed/head.S @@ -11,6 +11,7 @@ #include <linux/linkage.h> #include <asm/assembler.h> + .arch armv7-a /* * Debugging stuff * @@ -805,8 +806,8 @@ call_cache_fn: adr r12, proc_types .align 2 .type proc_types,#object proc_types: - .word 0x00000000 @ old ARM ID - .word 0x0000f000 + .word 0x41000000 @ old ARM ID + .word 0xff00f000 mov pc, lr THUMB( nop ) mov pc, lr diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 4c904a8e458a..6ef71f4d5738 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -134,6 +134,8 @@ dtb-$(CONFIG_ARCH_MXS) += imx23-evk.dtb \ imx28-cfa10036.dtb \ imx28-cfa10037.dtb \ imx28-cfa10049.dtb \ + imx28-cfa10055.dtb \ + imx28-cfa10057.dtb \ imx28-evk.dtb \ imx28-m28evk.dtb \ imx28-sps1.dtb \ diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi index 6827853a0a8f..27c99c106620 100644 --- a/arch/arm/boot/dts/am33xx.dtsi +++ b/arch/arm/boot/dts/am33xx.dtsi @@ -413,8 +413,8 @@ ti,hwmods = "gpmc"; reg = <0x50000000 0x2000>; interrupts = <100>; - num-cs = <7>; - num-waitpins = <2>; + gpmc,num-cs = <7>; + gpmc,num-waitpins = <2>; #address-cells = <2>; #size-cells = <1>; status = "disabled"; diff --git a/arch/arm/boot/dts/armada-xp-gp.dts b/arch/arm/boot/dts/armada-xp-gp.dts index 0a040705a72d..c87b2de29c30 100644 --- a/arch/arm/boot/dts/armada-xp-gp.dts +++ b/arch/arm/boot/dts/armada-xp-gp.dts @@ -39,8 +39,9 @@ }; soc { - ranges = <0 0 0xd0000000 0x100000 - 0xf0000000 0 0xf0000000 0x1000000>; + ranges = <0 0 0xd0000000 0x100000 /* Internal registers 1MiB */ + 0xe0000000 0 0xe0000000 0x8100000 /* PCIe */ + 0xf0000000 0 0xf0000000 0x1000000 /* Device Bus, NOR 16MiB */>; internal-regs { serial@12000 { diff --git a/arch/arm/boot/dts/armada-xp-openblocks-ax3-4.dts b/arch/arm/boot/dts/armada-xp-openblocks-ax3-4.dts index 685ee7a282e3..8f510458ea86 100644 --- a/arch/arm/boot/dts/armada-xp-openblocks-ax3-4.dts +++ b/arch/arm/boot/dts/armada-xp-openblocks-ax3-4.dts @@ -27,8 +27,9 @@ }; soc { - ranges = <0 0 0xd0000000 0x100000 - 0xf0000000 0 0xf0000000 0x8000000>; + ranges = <0 0 0xd0000000 0x100000 /* Internal registers 1MiB */ + 0xe0000000 0 0xe0000000 0x8100000 /* PCIe */ + 0xf0000000 0 0xf0000000 0x8000000 /* Device Bus, NOR 128MiB */>; internal-regs { serial@12000 { diff --git a/arch/arm/boot/dts/imx28-apf28dev.dts b/arch/arm/boot/dts/imx28-apf28dev.dts index 3d905d16cbec..b602494c152b 100644 --- a/arch/arm/boot/dts/imx28-apf28dev.dts +++ b/arch/arm/boot/dts/imx28-apf28dev.dts @@ -103,6 +103,7 @@ apbx@80040000 { lradc@80050000 { + fsl,lradc-touchscreen-wires = <4>; status = "okay"; }; diff --git a/arch/arm/boot/dts/imx28-cfa10036.dts b/arch/arm/boot/dts/imx28-cfa10036.dts index 1594694532b9..94c4476972c3 100644 --- a/arch/arm/boot/dts/imx28-cfa10036.dts +++ b/arch/arm/boot/dts/imx28-cfa10036.dts @@ -45,6 +45,17 @@ fsl,voltage = <1>; fsl,pull-up = <0>; }; + + usb0_otg_cfa10036: otg-10036@0 { + reg = <0>; + fsl,pinmux-ids = < + 0x0142 /* MX28_PAD_GPMI_READY0__USB0_ID */ + >; + fsl,drive-strength = <0>; + fsl,voltage = <1>; + fsl,pull-up = <0>; + }; + }; ssp0: ssp@80010000 { @@ -58,12 +69,6 @@ }; apbx@80040000 { - pwm: pwm@80064000 { - pinctrl-names = "default"; - pinctrl-0 = <&pwm4_pins_a>; - status = "okay"; - }; - duart: serial@80074000 { pinctrl-names = "default"; pinctrl-0 = <&duart_pins_b>; @@ -73,15 +78,30 @@ i2c0: i2c@80058000 { pinctrl-names = "default"; pinctrl-0 = <&i2c0_pins_b>; + clock-frequency = <400000>; status = "okay"; - ssd1307: oled@3c { - compatible = "solomon,ssd1307fb-i2c"; + ssd1306: oled@3c { + compatible = "solomon,ssd1306fb-i2c"; reg = <0x3c>; - pwms = <&pwm 4 3000>; reset-gpios = <&gpio2 7 0>; + solomon,height = <32>; + solomon,width = <128>; + solomon,page-offset = <0>; }; }; + + usbphy0: usbphy@8007c000 { + status = "okay"; + }; + }; + }; + + ahb@80080000 { + usb0: usb@80080000 { + pinctrl-names = "default"; + pinctrl-0 = <&usb0_otg_cfa10036>; + status = "okay"; }; }; diff --git a/arch/arm/boot/dts/imx28-cfa10049.dts b/arch/arm/boot/dts/imx28-cfa10049.dts index 063e62059890..04b2f769ffbd 100644 --- a/arch/arm/boot/dts/imx28-cfa10049.dts +++ b/arch/arm/boot/dts/imx28-cfa10049.dts @@ -33,7 +33,7 @@ 0x1163 /* MX28_PAD_LCD_D22__GPIO_1_22 */ 0x1173 /* MX28_PAD_LCD_D22__GPIO_1_23 */ 0x2153 /* MX28_PAD_SSP2_D5__GPIO_2_21 */ - 0x3173 /* MX28_PAD_LCD_RESET__GPIO_3_23 */ + 0x3053 /* MX28_PAD_AUART1_TX__GPIO_3_5 */ >; fsl,drive-strength = <0>; fsl,voltage = <1>; @@ -166,8 +166,8 @@ apbx@80040000 { pwm: pwm@80064000 { - pinctrl-names = "default", "default"; - pinctrl-1 = <&pwm3_pins_b>; + pinctrl-names = "default"; + pinctrl-0 = <&pwm3_pins_b>; status = "okay"; }; @@ -265,7 +265,7 @@ gpio-sck = <&gpio2 16 0>; gpio-mosi = <&gpio2 17 0>; gpio-miso = <&gpio2 18 0>; - cs-gpios = <&gpio3 23 0>; + cs-gpios = <&gpio3 5 0>; num-chipselects = <1>; #address-cells = <1>; #size-cells = <0>; diff --git a/arch/arm/boot/dts/imx28-cfa10055.dts b/arch/arm/boot/dts/imx28-cfa10055.dts new file mode 100644 index 000000000000..158111244122 --- /dev/null +++ b/arch/arm/boot/dts/imx28-cfa10055.dts @@ -0,0 +1,179 @@ +/* + * Copyright 2013 Crystalfontz America, Inc. + * Free Electrons + * + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + +/* + * The CFA-10055 is an expansion board for the CFA-10036 module and + * CFA-10037, thus we need to include the CFA-10037 DTS. + */ +/include/ "imx28-cfa10037.dts" + +/ { + model = "Crystalfontz CFA-10055 Board"; + compatible = "crystalfontz,cfa10055", "crystalfontz,cfa10037", "crystalfontz,cfa10036", "fsl,imx28"; + + apb@80000000 { + apbh@80000000 { + pinctrl@80018000 { + pinctrl-names = "default", "default"; + pinctrl-1 = <&hog_pins_cfa10055 + &hog_pins_cfa10055_pullup>; + + hog_pins_cfa10055: hog-10055@0 { + reg = <0>; + fsl,pinmux-ids = < + 0x3053 /* MX28_PAD_AUART1_TX__GPIO_3_5 */ + >; + fsl,drive-strength = <0>; + fsl,voltage = <1>; + fsl,pull-up = <0>; + }; + + hog_pins_cfa10055_pullup: hog-10055-pullup@0 { + reg = <0>; + fsl,pinmux-ids = < + 0x31e3 /* MX28_PAD_LCD_RESET__GPIO_3_30 */ + >; + fsl,drive-strength = <0>; + fsl,voltage = <1>; + fsl,pull-up = <1>; + }; + + spi2_pins_cfa10055: spi2-cfa10055@0 { + reg = <0>; + fsl,pinmux-ids = < + 0x2103 /* MX28_PAD_SSP2_SCK__GPIO_2_16 */ + 0x2113 /* MX28_PAD_SSP2_CMD__GPIO_2_17 */ + 0x2123 /* MX28_PAD_SSP2_D0__GPIO_2_18 */ + >; + fsl,drive-strength = <1>; + fsl,voltage = <1>; + fsl,pull-up = <1>; + }; + + lcdif_18bit_pins_cfa10055: lcdif-18bit@0 { + reg = <0>; + fsl,pinmux-ids = < + 0x1000 /* MX28_PAD_LCD_D00__LCD_D0 */ + 0x1010 /* MX28_PAD_LCD_D01__LCD_D1 */ + 0x1020 /* MX28_PAD_LCD_D02__LCD_D2 */ + 0x1030 /* MX28_PAD_LCD_D03__LCD_D3 */ + 0x1040 /* MX28_PAD_LCD_D04__LCD_D4 */ + 0x1050 /* MX28_PAD_LCD_D05__LCD_D5 */ + 0x1060 /* MX28_PAD_LCD_D06__LCD_D6 */ + 0x1070 /* MX28_PAD_LCD_D07__LCD_D7 */ + 0x1080 /* MX28_PAD_LCD_D08__LCD_D8 */ + 0x1090 /* MX28_PAD_LCD_D09__LCD_D9 */ + 0x10a0 /* MX28_PAD_LCD_D10__LCD_D10 */ + 0x10b0 /* MX28_PAD_LCD_D11__LCD_D11 */ + 0x10c0 /* MX28_PAD_LCD_D12__LCD_D12 */ + 0x10d0 /* MX28_PAD_LCD_D13__LCD_D13 */ + 0x10e0 /* MX28_PAD_LCD_D14__LCD_D14 */ + 0x10f0 /* MX28_PAD_LCD_D15__LCD_D15 */ + 0x1100 /* MX28_PAD_LCD_D16__LCD_D16 */ + 0x1110 /* MX28_PAD_LCD_D17__LCD_D17 */ + >; + fsl,drive-strength = <0>; + fsl,voltage = <1>; + fsl,pull-up = <0>; + }; + + lcdif_pins_cfa10055: lcdif-evk@0 { + reg = <0>; + fsl,pinmux-ids = < + 0x1181 /* MX28_PAD_LCD_RD_E__LCD_VSYNC */ + 0x1191 /* MX28_PAD_LCD_WR_RWN__LCD_HSYNC */ + 0x11a1 /* MX28_PAD_LCD_RS__LCD_DOTCLK */ + 0x11b1 /* MX28_PAD_LCD_CS__LCD_ENABLE */ + >; + fsl,drive-strength = <0>; + fsl,voltage = <1>; + fsl,pull-up = <0>; + }; + }; + + lcdif@80030000 { + pinctrl-names = "default"; + pinctrl-0 = <&lcdif_18bit_pins_cfa10055 + &lcdif_pins_cfa10055>; + display = <&display>; + status = "okay"; + + display: display { + bits-per-pixel = <32>; + bus-width = <18>; + + display-timings { + native-mode = <&timing0>; + timing0: timing0 { + clock-frequency = <9216000>; + hactive = <320>; + vactive = <480>; + hback-porch = <2>; + hfront-porch = <2>; + vback-porch = <2>; + vfront-porch = <2>; + hsync-len = <15>; + vsync-len = <15>; + hsync-active = <0>; + vsync-active = <0>; + de-active = <1>; + pixelclk-active = <1>; + }; + }; + }; + }; + }; + + apbx@80040000 { + lradc@80050000 { + fsl,lradc-touchscreen-wires = <4>; + status = "okay"; + }; + + pwm: pwm@80064000 { + pinctrl-names = "default"; + pinctrl-0 = <&pwm3_pins_b>; + status = "okay"; + }; + }; + }; + + spi2 { + compatible = "spi-gpio"; + pinctrl-names = "default"; + pinctrl-0 = <&spi2_pins_cfa10055>; + status = "okay"; + gpio-sck = <&gpio2 16 0>; + gpio-mosi = <&gpio2 17 0>; + gpio-miso = <&gpio2 18 0>; + cs-gpios = <&gpio3 5 0>; + num-chipselects = <1>; + #address-cells = <1>; + #size-cells = <0>; + + hx8357: hx8357@0 { + compatible = "himax,hx8357b", "himax,hx8357"; + reg = <0>; + spi-max-frequency = <100000>; + spi-cpol; + spi-cpha; + gpios-reset = <&gpio3 30 0>; + }; + }; + + backlight { + compatible = "pwm-backlight"; + pwms = <&pwm 3 5000000>; + brightness-levels = <0 4 8 16 32 64 128 255>; + default-brightness-level = <6>; + }; +}; diff --git a/arch/arm/boot/dts/imx28-cfa10057.dts b/arch/arm/boot/dts/imx28-cfa10057.dts new file mode 100644 index 000000000000..2da713cdb42a --- /dev/null +++ b/arch/arm/boot/dts/imx28-cfa10057.dts @@ -0,0 +1,191 @@ +/* + * Copyright 2013 Crystalfontz America, Inc. + * Copyright 2012 Free Electrons + * + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + +/* + * The CFA-10057 is an expansion board for the CFA-10036 module, thus we + * need to include the CFA-10036 DTS. + */ +/include/ "imx28-cfa10036.dts" + +/ { + model = "Crystalfontz CFA-10057 Board"; + compatible = "crystalfontz,cfa10057", "crystalfontz,cfa10036", "fsl,imx28"; + + apb@80000000 { + apbh@80000000 { + pinctrl@80018000 { + pinctrl-names = "default", "default"; + pinctrl-1 = <&hog_pins_cfa10057 + &hog_pins_cfa10057_pullup>; + + hog_pins_cfa10057: hog-10057@0 { + reg = <0>; + fsl,pinmux-ids = < + 0x0073 /* MX28_PAD_GPMI_D7__GPIO_0_7 */ + 0x3053 /* MX28_PAD_AUART1_TX__GPIO_3_5 */ + >; + fsl,drive-strength = <0>; + fsl,voltage = <1>; + fsl,pull-up = <0>; + }; + + hog_pins_cfa10057_pullup: hog-10057-pullup@0 { + reg = <0>; + fsl,pinmux-ids = < + 0x2133 /* MX28_PAD_SSP2_D3__GPIO_2_19 */ + 0x3183 /* MX28_PAD_I2C0_SCL__GPIO_3_24 */ + 0x3193 /* MX28_PAD_I2C0_SDA__GPIO_3_25 */ + 0x31a3 /* MX28_PAD_SAIF_SDATA0__GPIO_3_26 */ + 0x31e3 /* MX28_PAD_LCD_RESET__GPIO_3_30 */ + >; + fsl,drive-strength = <0>; + fsl,voltage = <1>; + fsl,pull-up = <1>; + }; + + lcdif_18bit_pins_cfa10057: lcdif-18bit@0 { + reg = <0>; + fsl,pinmux-ids = < + 0x1000 /* MX28_PAD_LCD_D00__LCD_D0 */ + 0x1010 /* MX28_PAD_LCD_D01__LCD_D1 */ + 0x1020 /* MX28_PAD_LCD_D02__LCD_D2 */ + 0x1030 /* MX28_PAD_LCD_D03__LCD_D3 */ + 0x1040 /* MX28_PAD_LCD_D04__LCD_D4 */ + 0x1050 /* MX28_PAD_LCD_D05__LCD_D5 */ + 0x1060 /* MX28_PAD_LCD_D06__LCD_D6 */ + 0x1070 /* MX28_PAD_LCD_D07__LCD_D7 */ + 0x1080 /* MX28_PAD_LCD_D08__LCD_D8 */ + 0x1090 /* MX28_PAD_LCD_D09__LCD_D9 */ + 0x10a0 /* MX28_PAD_LCD_D10__LCD_D10 */ + 0x10b0 /* MX28_PAD_LCD_D11__LCD_D11 */ + 0x10c0 /* MX28_PAD_LCD_D12__LCD_D12 */ + 0x10d0 /* MX28_PAD_LCD_D13__LCD_D13 */ + 0x10e0 /* MX28_PAD_LCD_D14__LCD_D14 */ + 0x10f0 /* MX28_PAD_LCD_D15__LCD_D15 */ + 0x1100 /* MX28_PAD_LCD_D16__LCD_D16 */ + 0x1110 /* MX28_PAD_LCD_D17__LCD_D17 */ + >; + fsl,drive-strength = <0>; + fsl,voltage = <1>; + fsl,pull-up = <0>; + }; + + lcdif_pins_cfa10057: lcdif-evk@0 { + reg = <0>; + fsl,pinmux-ids = < + 0x1181 /* MX28_PAD_LCD_RD_E__LCD_VSYNC */ + 0x1191 /* MX28_PAD_LCD_WR_RWN__LCD_HSYNC */ + 0x11a1 /* MX28_PAD_LCD_RS__LCD_DOTCLK */ + 0x11b1 /* MX28_PAD_LCD_CS__LCD_ENABLE */ + >; + fsl,drive-strength = <0>; + fsl,voltage = <1>; + fsl,pull-up = <0>; + }; + }; + + lcdif@80030000 { + pinctrl-names = "default"; + pinctrl-0 = <&lcdif_18bit_pins_cfa10057 + &lcdif_pins_cfa10057>; + display = <&display>; + status = "okay"; + + display: display { + bits-per-pixel = <32>; + bus-width = <18>; + + display-timings { + native-mode = <&timing0>; + timing0: timing0 { + clock-frequency = <30000000>; + hactive = <480>; + vactive = <800>; + hfront-porch = <12>; + hback-porch = <2>; + vfront-porch = <5>; + vback-porch = <3>; + hsync-len = <2>; + vsync-len = <2>; + hsync-active = <0>; + vsync-active = <0>; + de-active = <1>; + pixelclk-active = <1>; + }; + }; + }; + }; + }; + + apbx@80040000 { + lradc@80050000 { + fsl,lradc-touchscreen-wires = <4>; + status = "okay"; + }; + + pwm: pwm@80064000 { + pinctrl-names = "default"; + pinctrl-0 = <&pwm3_pins_b>; + status = "okay"; + }; + + i2c1: i2c@8005a000 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c1_pins_a>; + status = "okay"; + }; + + usbphy1: usbphy@8007e000 { + status = "okay"; + }; + }; + }; + + ahb@80080000 { + usb1: usb@80090000 { + vbus-supply = <®_usb1_vbus>; + pinctrl-0 = <&usbphy1_pins_a>; + pinctrl-names = "default"; + status = "okay"; + }; + }; + + regulators { + compatible = "simple-bus"; + + reg_usb1_vbus: usb1_vbus { + compatible = "regulator-fixed"; + regulator-name = "usb1_vbus"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + gpio = <&gpio0 7 1>; + }; + }; + + ahb@80080000 { + mac0: ethernet@800f0000 { + phy-mode = "rmii"; + pinctrl-names = "default"; + pinctrl-0 = <&mac0_pins_a>; + phy-reset-gpios = <&gpio2 21 0>; + phy-reset-duration = <100>; + status = "okay"; + }; + }; + + backlight { + compatible = "pwm-backlight"; + pwms = <&pwm 3 5000000>; + brightness-levels = <0 4 8 16 32 64 128 255>; + default-brightness-level = <7>; + }; +}; diff --git a/arch/arm/boot/dts/imx28-m28evk.dts b/arch/arm/boot/dts/imx28-m28evk.dts index 5aa44e05c9f5..880df2f13be8 100644 --- a/arch/arm/boot/dts/imx28-m28evk.dts +++ b/arch/arm/boot/dts/imx28-m28evk.dts @@ -220,7 +220,19 @@ auart0: serial@8006a000 { pinctrl-names = "default"; - pinctrl-0 = <&auart0_2pins_a>; + pinctrl-0 = <&auart0_pins_a>; + status = "okay"; + }; + + auart1: serial@8006c000 { + pinctrl-names = "default"; + pinctrl-0 = <&auart1_pins_a>; + status = "okay"; + }; + + auart2: serial@8006e000 { + pinctrl-names = "default"; + pinctrl-0 = <&auart2_2pins_b>; status = "okay"; }; }; diff --git a/arch/arm/boot/dts/imx28.dtsi b/arch/arm/boot/dts/imx28.dtsi index 4c10a1968c0e..195451bf7706 100644 --- a/arch/arm/boot/dts/imx28.dtsi +++ b/arch/arm/boot/dts/imx28.dtsi @@ -334,6 +334,17 @@ fsl,pull-up = <0>; }; + auart2_2pins_b: auart2-2pins@1 { + reg = <1>; + fsl,pinmux-ids = < + 0x3080 /* MX28_PAD_AUART2_RX__AUART2_RX */ + 0x3090 /* MX28_PAD_AUART2_TX__AUART2_TX */ + >; + fsl,drive-strength = <0>; + fsl,voltage = <1>; + fsl,pull-up = <0>; + }; + auart3_pins_a: auart3@0 { reg = <0>; fsl,pinmux-ids = < @@ -358,6 +369,28 @@ fsl,pull-up = <0>; }; + auart3_2pins_b: auart3-2pins@1 { + reg = <1>; + fsl,pinmux-ids = < + 0x30c0 /* MX28_PAD_AUART3_RX__AUART3_RX */ + 0x30d0 /* MX28_PAD_AUART3_TX__AUART3_TX */ + >; + fsl,drive-strength = <0>; + fsl,voltage = <1>; + fsl,pull-up = <0>; + }; + + auart4_2pins_a: auart4@0 { + reg = <0>; + fsl,pinmux-ids = < + 0x2181 /* MX28_PAD_SSP3_SCK__AUART4_TX */ + 0x2191 /* MX28_PAD_SSP3_MOSI__AUART4_RX */ + >; + fsl,drive-strength = <0>; + fsl,voltage = <1>; + fsl,pull-up = <0>; + }; + mac0_pins_a: mac0@0 { reg = <0>; fsl,pinmux-ids = < @@ -673,7 +706,7 @@ }; digctl@8001c000 { - compatible = "fsl,imx28-digctl"; + compatible = "fsl,imx28-digctl", "fsl,imx23-digctl"; reg = <0x8001c000 0x2000>; interrupts = <89>; status = "disabled"; diff --git a/arch/arm/boot/dts/omap4-panda-common.dtsi b/arch/arm/boot/dts/omap4-panda-common.dtsi index 03bd60deb52b..eeb734e25709 100644 --- a/arch/arm/boot/dts/omap4-panda-common.dtsi +++ b/arch/arm/boot/dts/omap4-panda-common.dtsi @@ -56,9 +56,23 @@ }; }; +&omap4_pmx_wkup { + pinctrl-names = "default"; + pinctrl-0 = < + &twl6030_wkup_pins + >; + + twl6030_wkup_pins: pinmux_twl6030_wkup_pins { + pinctrl-single,pins = < + 0x14 0x2 /* fref_clk0_out.sys_drm_msecure OUTPUT | MODE2 */ + >; + }; +}; + &omap4_pmx_core { pinctrl-names = "default"; pinctrl-0 = < + &twl6030_pins &twl6040_pins &mcpdm_pins &mcbsp1_pins @@ -66,6 +80,12 @@ &tpd12s015_pins >; + twl6030_pins: pinmux_twl6030_pins { + pinctrl-single,pins = < + 0x15e 0x4118 /* sys_nirq1.sys_nirq1 OMAP_WAKEUP_EN | INPUT_PULLUP | MODE0 */ + >; + }; + twl6040_pins: pinmux_twl6040_pins { pinctrl-single,pins = < 0xe0 0x3 /* hdq_sio.gpio_127 OUTPUT | MODE3 */ diff --git a/arch/arm/boot/dts/omap4-sdp.dts b/arch/arm/boot/dts/omap4-sdp.dts index a35d9cd58063..98505a2ef162 100644 --- a/arch/arm/boot/dts/omap4-sdp.dts +++ b/arch/arm/boot/dts/omap4-sdp.dts @@ -142,9 +142,23 @@ }; }; +&omap4_pmx_wkup { + pinctrl-names = "default"; + pinctrl-0 = < + &twl6030_wkup_pins + >; + + twl6030_wkup_pins: pinmux_twl6030_wkup_pins { + pinctrl-single,pins = < + 0x14 0x2 /* fref_clk0_out.sys_drm_msecure OUTPUT | MODE2 */ + >; + }; +}; + &omap4_pmx_core { pinctrl-names = "default"; pinctrl-0 = < + &twl6030_pins &twl6040_pins &mcpdm_pins &dmic_pins @@ -179,6 +193,12 @@ >; }; + twl6030_pins: pinmux_twl6030_pins { + pinctrl-single,pins = < + 0x15e 0x4118 /* sys_nirq1.sys_nirq1 OMAP_WAKEUP_EN | INPUT_PULLUP | MODE0 */ + >; + }; + twl6040_pins: pinmux_twl6040_pins { pinctrl-single,pins = < 0xe0 0x3 /* hdq_sio.gpio_127 OUTPUT | MODE3 */ diff --git a/arch/arm/boot/dts/omap5.dtsi b/arch/arm/boot/dts/omap5.dtsi index 35a6536a10b5..9e8083ff6cd2 100644 --- a/arch/arm/boot/dts/omap5.dtsi +++ b/arch/arm/boot/dts/omap5.dtsi @@ -545,6 +545,7 @@ interrupts = <0 41 0x4>; ti,hwmods = "timer5"; ti,timer-dsp; + ti,timer-pwm; }; timer6: timer@4013a000 { @@ -581,6 +582,7 @@ reg = <0x4803e000 0x80>; interrupts = <0 45 0x4>; ti,hwmods = "timer9"; + ti,timer-pwm; }; timer10: timer@48086000 { @@ -588,6 +590,7 @@ reg = <0x48086000 0x80>; interrupts = <0 46 0x4>; ti,hwmods = "timer10"; + ti,timer-pwm; }; timer11: timer@48088000 { diff --git a/arch/arm/include/asm/percpu.h b/arch/arm/include/asm/percpu.h index 968c0a14e0a3..209e6504922e 100644 --- a/arch/arm/include/asm/percpu.h +++ b/arch/arm/include/asm/percpu.h @@ -30,8 +30,15 @@ static inline void set_my_cpu_offset(unsigned long off) static inline unsigned long __my_cpu_offset(void) { unsigned long off; - /* Read TPIDRPRW */ - asm("mrc p15, 0, %0, c13, c0, 4" : "=r" (off) : : "memory"); + register unsigned long *sp asm ("sp"); + + /* + * Read TPIDRPRW. + * We want to allow caching the value, so avoid using volatile and + * instead use a fake stack read to hazard against barrier(). + */ + asm("mrc p15, 0, %0, c13, c0, 4" : "=r" (off) : "Q" (*sp)); + return off; } #define __my_cpu_offset __my_cpu_offset() diff --git a/arch/arm/kernel/topology.c b/arch/arm/kernel/topology.c index f10316b4ecdc..c5a59546a256 100644 --- a/arch/arm/kernel/topology.c +++ b/arch/arm/kernel/topology.c @@ -13,6 +13,7 @@ #include <linux/cpu.h> #include <linux/cpumask.h> +#include <linux/export.h> #include <linux/init.h> #include <linux/percpu.h> #include <linux/node.h> @@ -200,6 +201,7 @@ static inline void update_cpu_power(unsigned int cpuid, unsigned int mpidr) {} * cpu topology table */ struct cputopo_arm cpu_topology[NR_CPUS]; +EXPORT_SYMBOL_GPL(cpu_topology); const struct cpumask *cpu_coregroup_mask(int cpu) { diff --git a/arch/arm/mach-kirkwood/mpp.c b/arch/arm/mach-kirkwood/mpp.c index 827cde42414f..e96fd71abd76 100644 --- a/arch/arm/mach-kirkwood/mpp.c +++ b/arch/arm/mach-kirkwood/mpp.c @@ -22,9 +22,10 @@ static unsigned int __init kirkwood_variant(void) kirkwood_pcie_id(&dev, &rev); - if ((dev == MV88F6281_DEV_ID && rev >= MV88F6281_REV_A0) || - (dev == MV88F6282_DEV_ID)) + if (dev == MV88F6281_DEV_ID && rev >= MV88F6281_REV_A0) return MPP_F6281_MASK; + if (dev == MV88F6282_DEV_ID) + return MPP_F6282_MASK; if (dev == MV88F6192_DEV_ID && rev >= MV88F6192_REV_A0) return MPP_F6192_MASK; if (dev == MV88F6180_DEV_ID) diff --git a/arch/arm/mach-mxs/Kconfig b/arch/arm/mach-mxs/Kconfig index 4dc2fbba0ecd..59c30ef56790 100644 --- a/arch/arm/mach-mxs/Kconfig +++ b/arch/arm/mach-mxs/Kconfig @@ -25,6 +25,7 @@ config ARCH_MXS select GENERIC_CLOCKEVENTS select HAVE_CLK_PREPARE select PINCTRL + select SOC_BUS select SOC_IMX23 select SOC_IMX28 select STMP_DEVICE diff --git a/arch/arm/mach-mxs/mach-mxs.c b/arch/arm/mach-mxs/mach-mxs.c index 5b62b6489d4b..ba227cb2c93b 100644 --- a/arch/arm/mach-mxs/mach-mxs.c +++ b/arch/arm/mach-mxs/mach-mxs.c @@ -19,13 +19,13 @@ #include <linux/err.h> #include <linux/gpio.h> #include <linux/init.h> -#include <linux/irqchip.h> #include <linux/irqchip/mxs.h> #include <linux/micrel_phy.h> #include <linux/of_address.h> #include <linux/of_platform.h> #include <linux/phy.h> #include <linux/pinctrl/consumer.h> +#include <linux/sys_soc.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <asm/mach/time.h> @@ -39,12 +39,28 @@ #define MXS_DIGCTL_SAIF_CLKMUX_EXTMSTR0 0x2 #define MXS_DIGCTL_SAIF_CLKMUX_EXTMSTR1 0x3 +#define HW_DIGCTL_CHIPID 0x310 +#define HW_DIGCTL_CHIPID_MASK (0xffff << 16) +#define HW_DIGCTL_REV_MASK 0xff +#define HW_DIGCTL_CHIPID_MX23 (0x3780 << 16) +#define HW_DIGCTL_CHIPID_MX28 (0x2800 << 16) + +#define MXS_CHIP_REVISION_1_0 0x10 +#define MXS_CHIP_REVISION_1_1 0x11 +#define MXS_CHIP_REVISION_1_2 0x12 +#define MXS_CHIP_REVISION_1_3 0x13 +#define MXS_CHIP_REVISION_1_4 0x14 +#define MXS_CHIP_REV_UNKNOWN 0xff + #define MXS_GPIO_NR(bank, nr) ((bank) * 32 + (nr)) #define MXS_SET_ADDR 0x4 #define MXS_CLR_ADDR 0x8 #define MXS_TOG_ADDR 0xc +static u32 chipid; +static u32 socid; + static inline void __mxs_setl(u32 mask, void __iomem *reg) { __raw_writel(mask, reg + MXS_SET_ADDR); @@ -352,29 +368,123 @@ static void __init tx28_post_init(void) pinctrl_put(pctl); } -static void __init cfa10049_init(void) +static void __init crystalfontz_init(void) { update_fec_mac_prop(OUI_CRYSTALFONTZ); } -static void __init cfa10037_init(void) +static const char __init *mxs_get_soc_id(void) { - update_fec_mac_prop(OUI_CRYSTALFONTZ); + struct device_node *np; + void __iomem *digctl_base; + + np = of_find_compatible_node(NULL, NULL, "fsl,imx23-digctl"); + digctl_base = of_iomap(np, 0); + WARN_ON(!digctl_base); + + chipid = readl(digctl_base + HW_DIGCTL_CHIPID); + socid = chipid & HW_DIGCTL_CHIPID_MASK; + + iounmap(digctl_base); + of_node_put(np); + + switch (socid) { + case HW_DIGCTL_CHIPID_MX23: + return "i.MX23"; + case HW_DIGCTL_CHIPID_MX28: + return "i.MX28"; + default: + return "Unknown"; + } +} + +static u32 __init mxs_get_cpu_rev(void) +{ + u32 rev = chipid & HW_DIGCTL_REV_MASK; + + switch (socid) { + case HW_DIGCTL_CHIPID_MX23: + switch (rev) { + case 0x0: + return MXS_CHIP_REVISION_1_0; + case 0x1: + return MXS_CHIP_REVISION_1_1; + case 0x2: + return MXS_CHIP_REVISION_1_2; + case 0x3: + return MXS_CHIP_REVISION_1_3; + case 0x4: + return MXS_CHIP_REVISION_1_4; + default: + return MXS_CHIP_REV_UNKNOWN; + } + case HW_DIGCTL_CHIPID_MX28: + switch (rev) { + case 0x0: + return MXS_CHIP_REVISION_1_1; + case 0x1: + return MXS_CHIP_REVISION_1_2; + default: + return MXS_CHIP_REV_UNKNOWN; + } + default: + return MXS_CHIP_REV_UNKNOWN; + } +} + +static const char __init *mxs_get_revision(void) +{ + u32 rev = mxs_get_cpu_rev(); + + if (rev != MXS_CHIP_REV_UNKNOWN) + return kasprintf(GFP_KERNEL, "TO%d.%d", (rev >> 4) & 0xf, + rev & 0xf); + else + return kasprintf(GFP_KERNEL, "%s", "Unknown"); } static void __init mxs_machine_init(void) { + struct device_node *root; + struct device *parent; + struct soc_device *soc_dev; + struct soc_device_attribute *soc_dev_attr; + int ret; + + soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL); + if (!soc_dev_attr) + return; + + root = of_find_node_by_path("/"); + ret = of_property_read_string(root, "model", &soc_dev_attr->machine); + if (ret) + return; + + soc_dev_attr->family = "Freescale MXS Family"; + soc_dev_attr->soc_id = mxs_get_soc_id(); + soc_dev_attr->revision = mxs_get_revision(); + + soc_dev = soc_device_register(soc_dev_attr); + if (IS_ERR(soc_dev)) { + kfree(soc_dev_attr->revision); + kfree(soc_dev_attr); + return; + } + + parent = soc_device_to_device(soc_dev); + if (of_machine_is_compatible("fsl,imx28-evk")) imx28_evk_init(); else if (of_machine_is_compatible("bluegiga,apx4devkit")) apx4devkit_init(); - else if (of_machine_is_compatible("crystalfontz,cfa10037")) - cfa10037_init(); - else if (of_machine_is_compatible("crystalfontz,cfa10049")) - cfa10049_init(); + else if (of_machine_is_compatible("crystalfontz,cfa10037") || + of_machine_is_compatible("crystalfontz,cfa10049") || + of_machine_is_compatible("crystalfontz,cfa10055") || + of_machine_is_compatible("crystalfontz,cfa10057")) + crystalfontz_init(); of_platform_populate(NULL, of_default_bus_match_table, - mxs_auxdata_lookup, NULL); + mxs_auxdata_lookup, parent); if (of_machine_is_compatible("karo,tx28")) tx28_post_init(); @@ -435,7 +545,6 @@ static const char *mxs_dt_compat[] __initdata = { DT_MACHINE_START(MXS, "Freescale MXS (Device Tree)") .map_io = debug_ll_io_init, - .init_irq = irqchip_init, .handle_irq = icoll_handle_irq, .init_time = mxs_timer_init, .init_machine = mxs_machine_init, diff --git a/arch/arm/mach-omap2/clock36xx.c b/arch/arm/mach-omap2/clock36xx.c index 8f3bf4e50908..bbd6a3f717e6 100644 --- a/arch/arm/mach-omap2/clock36xx.c +++ b/arch/arm/mach-omap2/clock36xx.c @@ -20,11 +20,12 @@ #include <linux/kernel.h> #include <linux/clk.h> +#include <linux/clk-provider.h> #include <linux/io.h> #include "clock.h" #include "clock36xx.h" - +#define to_clk_divider(_hw) container_of(_hw, struct clk_divider, hw) /** * omap36xx_pwrdn_clk_enable_with_hsdiv_restore - enable clocks suffering @@ -39,29 +40,28 @@ */ int omap36xx_pwrdn_clk_enable_with_hsdiv_restore(struct clk_hw *clk) { - struct clk_hw_omap *parent; + struct clk_divider *parent; struct clk_hw *parent_hw; - u32 dummy_v, orig_v, clksel_shift; + u32 dummy_v, orig_v; int ret; /* Clear PWRDN bit of HSDIVIDER */ ret = omap2_dflt_clk_enable(clk); parent_hw = __clk_get_hw(__clk_get_parent(clk->clk)); - parent = to_clk_hw_omap(parent_hw); + parent = to_clk_divider(parent_hw); /* Restore the dividers */ if (!ret) { - clksel_shift = __ffs(parent->clksel_mask); - orig_v = __raw_readl(parent->clksel_reg); + orig_v = __raw_readl(parent->reg); dummy_v = orig_v; /* Write any other value different from the Read value */ - dummy_v ^= (1 << clksel_shift); - __raw_writel(dummy_v, parent->clksel_reg); + dummy_v ^= (1 << parent->shift); + __raw_writel(dummy_v, parent->reg); /* Write the original divider */ - __raw_writel(orig_v, parent->clksel_reg); + __raw_writel(orig_v, parent->reg); } return ret; diff --git a/arch/arm/mach-omap2/omap_hwmod_33xx_data.c b/arch/arm/mach-omap2/omap_hwmod_33xx_data.c index 075f7cc51026..69337af748cc 100644 --- a/arch/arm/mach-omap2/omap_hwmod_33xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_33xx_data.c @@ -2007,6 +2007,13 @@ static struct omap_hwmod am33xx_uart1_hwmod = { }, }; +/* uart2 */ +static struct omap_hwmod_dma_info uart2_edma_reqs[] = { + { .name = "tx", .dma_req = 28, }, + { .name = "rx", .dma_req = 29, }, + { .dma_req = -1 } +}; + static struct omap_hwmod_irq_info am33xx_uart2_irqs[] = { { .irq = 73 + OMAP_INTC_START, }, { .irq = -1 }, @@ -2018,7 +2025,7 @@ static struct omap_hwmod am33xx_uart2_hwmod = { .clkdm_name = "l4ls_clkdm", .flags = HWMOD_SWSUP_SIDLE_ACT, .mpu_irqs = am33xx_uart2_irqs, - .sdma_reqs = uart1_edma_reqs, + .sdma_reqs = uart2_edma_reqs, .main_clk = "dpll_per_m2_div4_ck", .prcm = { .omap4 = { diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c index c01859398b54..5a2d8034c8de 100644 --- a/arch/arm/mach-omap2/pm34xx.c +++ b/arch/arm/mach-omap2/pm34xx.c @@ -546,8 +546,10 @@ static void __init prcm_setup_regs(void) /* Clear any pending PRCM interrupts */ omap2_prm_write_mod_reg(0, OCP_MOD, OMAP3_PRM_IRQSTATUS_MPU_OFFSET); - if (omap3_has_iva()) - omap3_iva_idle(); + /* + * We need to idle iva2_pwrdm even on am3703 with no iva2. + */ + omap3_iva_idle(); omap3_d2d_idle(); } diff --git a/arch/arm/mach-prima2/pm.c b/arch/arm/mach-prima2/pm.c index 9936c180bf01..8f595c0cc8d9 100644 --- a/arch/arm/mach-prima2/pm.c +++ b/arch/arm/mach-prima2/pm.c @@ -101,8 +101,10 @@ static int __init sirfsoc_of_pwrc_init(void) struct device_node *np; np = of_find_matching_node(NULL, pwrc_ids); - if (!np) - panic("unable to find compatible pwrc node in dtb\n"); + if (!np) { + pr_err("unable to find compatible sirf pwrc node in dtb\n"); + return -ENOENT; + } /* * pwrc behind rtciobrg is not located in memory space diff --git a/arch/arm/mach-prima2/rstc.c b/arch/arm/mach-prima2/rstc.c index 435019ca0a48..d5e0cbc934c0 100644 --- a/arch/arm/mach-prima2/rstc.c +++ b/arch/arm/mach-prima2/rstc.c @@ -28,8 +28,10 @@ static int __init sirfsoc_of_rstc_init(void) struct device_node *np; np = of_find_matching_node(NULL, rstc_ids); - if (!np) - panic("unable to find compatible rstc node in dtb\n"); + if (!np) { + pr_err("unable to find compatible sirf rstc node in dtb\n"); + return -ENOENT; + } sirfsoc_rstc_base = of_iomap(np, 0); if (!sirfsoc_rstc_base) diff --git a/arch/arm/plat-samsung/pm.c b/arch/arm/plat-samsung/pm.c index 53210ec4e8ec..bd7124c87fea 100644 --- a/arch/arm/plat-samsung/pm.c +++ b/arch/arm/plat-samsung/pm.c @@ -16,6 +16,7 @@ #include <linux/suspend.h> #include <linux/errno.h> #include <linux/delay.h> +#include <linux/of.h> #include <linux/serial_core.h> #include <linux/io.h> @@ -261,7 +262,8 @@ static int s3c_pm_enter(suspend_state_t state) * require a full power-cycle) */ - if (!any_allowed(s3c_irqwake_intmask, s3c_irqwake_intallow) && + if (!of_have_populated_dt() && + !any_allowed(s3c_irqwake_intmask, s3c_irqwake_intallow) && !any_allowed(s3c_irqwake_eintmask, s3c_irqwake_eintallow)) { printk(KERN_ERR "%s: No wake-up sources!\n", __func__); printk(KERN_ERR "%s: Aborting sleep\n", __func__); @@ -270,8 +272,11 @@ static int s3c_pm_enter(suspend_state_t state) /* save all necessary core registers not covered by the drivers */ - samsung_pm_save_gpios(); - samsung_pm_saved_gpios(); + if (!of_have_populated_dt()) { + samsung_pm_save_gpios(); + samsung_pm_saved_gpios(); + } + s3c_pm_save_uarts(); s3c_pm_save_core(); @@ -310,8 +315,11 @@ static int s3c_pm_enter(suspend_state_t state) s3c_pm_restore_core(); s3c_pm_restore_uarts(); - samsung_pm_restore_gpios(); - s3c_pm_restored_gpios(); + + if (!of_have_populated_dt()) { + samsung_pm_restore_gpios(); + s3c_pm_restored_gpios(); + } s3c_pm_debug_init(); |