diff options
author | Arnd Bergmann <arnd@arndb.de> | 2012-11-16 17:55:01 +0100 |
---|---|---|
committer | Arnd Bergmann <arnd@arndb.de> | 2012-11-16 17:55:01 +0100 |
commit | 93363526c8fcd9dbbc0562c0642df6114ed04217 (patch) | |
tree | 3f29b9e4c49d0a265b3d6fd9e2a15f2c60d13d2f | |
parent | 8ec1c811722b940c09961edd20bffb9eda1027c3 (diff) | |
parent | 4e556c046df2bd8d6eef6403c25bf8e52f64be93 (diff) |
Merge tag 'mxs-dt-3.8' of git://git.linaro.org/people/shawnguo/linux-2.6 into next/dt
From Shawn Guo <shawn.guo@linaro.org>:
It's mxs device tree changes for 3.8. The majority is device tree
source updates. One timer improvement and one defconfig update are
also included there.
* tag 'mxs-dt-3.8' of git://git.linaro.org/people/shawnguo/linux-2.6:
ARM: mxs_defconfig: Improve USB related support
ARM: mxs: apf28dev: Add I2C and SPI support
ARM: mxs: Setup scheduler clock
ARM: dts: mxs: Add hog pins to Crystalfontz boards
ARM: dts: cfa10036: Use pinctrl for power led
ARM: mxs: apf28dev: Add LCD and backlight support
ARM: mxs: apf28dev: Add pinctrl and gpios
ARM: dts: mxs: Add 16 bits LCD screen muxing options for I.MX28
ARM: dts: cfa10049: Add the DH2228FV DAC to the DTS
ARM: mxs: Add support for the Armadeus Systems APF28Dev docking board
ARM: mx28: Skip OCOTP FEC MAC setup if in DT
ARM: dts: mxs: Add PWM3 muxing options for i.MX28
ARM: mxs: Add support for the Armadeus Systems APF28 module
ARM: dts: cfa10049: Add FEC to the CFA-10049 expansion board
ARM: dts: imx23-olinuxino: Use pinctrl for gpio-led
ARM: dts: imx23-olinuxino: Remove unneeded "default-on"
ARM: dts: imx28-evk: Use pinctrl for gpio-led
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
-rw-r--r-- | arch/arm/boot/dts/Makefile | 2 | ||||
-rw-r--r-- | arch/arm/boot/dts/imx23-olinuxino.dts | 14 | ||||
-rw-r--r-- | arch/arm/boot/dts/imx28-apf28.dts | 85 | ||||
-rw-r--r-- | arch/arm/boot/dts/imx28-apf28dev.dts | 154 | ||||
-rw-r--r-- | arch/arm/boot/dts/imx28-cfa10036.dts | 27 | ||||
-rw-r--r-- | arch/arm/boot/dts/imx28-cfa10049.dts | 33 | ||||
-rw-r--r-- | arch/arm/boot/dts/imx28-evk.dts | 13 | ||||
-rw-r--r-- | arch/arm/boot/dts/imx28.dtsi | 35 | ||||
-rw-r--r-- | arch/arm/configs/mxs_defconfig | 6 | ||||
-rw-r--r-- | arch/arm/mach-mxs/mach-mxs.c | 49 | ||||
-rw-r--r-- | arch/arm/mach-mxs/timer.c | 10 |
11 files changed, 424 insertions, 4 deletions
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 23b178389eb..1f23acfe5cb 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -56,6 +56,8 @@ dtb-$(CONFIG_ARCH_MXC) += imx51-babbage.dtb \ dtb-$(CONFIG_ARCH_MXS) += imx23-evk.dtb \ imx23-olinuxino.dtb \ imx23-stmp378x_devb.dtb \ + imx28-apf28.dtb \ + imx28-apf28dev.dtb \ imx28-apx4devkit.dtb \ imx28-cfa10036.dtb \ imx28-cfa10049.dtb \ diff --git a/arch/arm/boot/dts/imx23-olinuxino.dts b/arch/arm/boot/dts/imx23-olinuxino.dts index 384d8b66f33..8bd56fc7e19 100644 --- a/arch/arm/boot/dts/imx23-olinuxino.dts +++ b/arch/arm/boot/dts/imx23-olinuxino.dts @@ -40,6 +40,15 @@ reg = <0>; fsl,pinmux-ids = < 0x2013 /* MX23_PAD_SSP1_DETECT__GPIO_2_1 */ + >; + fsl,drive-strength = <0>; + fsl,voltage = <1>; + fsl,pull-up = <0>; + }; + + led_pin_gpio0_17: led_gpio0_17@0 { + reg = <0>; + fsl,pinmux-ids = < 0x0113 /* MX23_PAD_GPMI_ALE__GPIO_0_17 */ >; fsl,drive-strength = <0>; @@ -91,11 +100,12 @@ leds { compatible = "gpio-leds"; + pinctrl-names = "default"; + pinctrl-0 = <&led_pin_gpio0_17>; user { label = "green"; - gpios = <&gpio2 1 0>; - linux,default-trigger = "default-on"; + gpios = <&gpio2 1 1>; }; }; }; diff --git a/arch/arm/boot/dts/imx28-apf28.dts b/arch/arm/boot/dts/imx28-apf28.dts new file mode 100644 index 00000000000..7eb075876c4 --- /dev/null +++ b/arch/arm/boot/dts/imx28-apf28.dts @@ -0,0 +1,85 @@ +/* + * Copyright 2012 Armadeus Systems - <support@armadeus.com> + * + * 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 + */ + +/dts-v1/; +/include/ "imx28.dtsi" + +/ { + model = "Armadeus Systems APF28 module"; + compatible = "armadeus,imx28-apf28", "fsl,imx28"; + + memory { + reg = <0x40000000 0x08000000>; + }; + + apb@80000000 { + apbh@80000000 { + gpmi-nand@8000c000 { + pinctrl-names = "default"; + pinctrl-0 = <&gpmi_pins_a &gpmi_status_cfg>; + status = "okay"; + + partition@0 { + label = "u-boot"; + reg = <0x0 0x300000>; + }; + + partition@300000 { + label = "env"; + reg = <0x300000 0x80000>; + }; + + partition@380000 { + label = "env2"; + reg = <0x380000 0x80000>; + }; + + partition@400000 { + label = "dtb"; + reg = <0x400000 0x80000>; + }; + + partition@480000 { + label = "splash"; + reg = <0x480000 0x80000>; + }; + + partition@500000 { + label = "kernel"; + reg = <0x500000 0x800000>; + }; + + partition@d00000 { + label = "rootfs"; + reg = <0xd00000 0xf300000>; + }; + }; + }; + + apbx@80040000 { + duart: serial@80074000 { + pinctrl-names = "default"; + pinctrl-0 = <&duart_pins_a>; + status = "okay"; + }; + }; + }; + + ahb@80080000 { + mac0: ethernet@800f0000 { + phy-mode = "rmii"; + pinctrl-names = "default"; + pinctrl-0 = <&mac0_pins_a>; + phy-reset-gpios = <&gpio4 13 0>; + status = "okay"; + }; + }; +}; diff --git a/arch/arm/boot/dts/imx28-apf28dev.dts b/arch/arm/boot/dts/imx28-apf28dev.dts new file mode 100644 index 00000000000..6d8865bfb4b --- /dev/null +++ b/arch/arm/boot/dts/imx28-apf28dev.dts @@ -0,0 +1,154 @@ +/* + * Copyright 2012 Armadeus Systems - <support@armadeus.com> + * + * 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 + */ + +/* APF28Dev is a docking board for the APF28 SOM */ +/include/ "imx28-apf28.dts" + +/ { + model = "Armadeus Systems APF28Dev docking/development board"; + compatible = "armadeus,imx28-apf28dev", "armadeus,imx28-apf28", "fsl,imx28"; + + apb@80000000 { + apbh@80000000 { + ssp0: ssp@80010000 { + compatible = "fsl,imx28-mmc"; + pinctrl-names = "default"; + pinctrl-0 = <&mmc0_4bit_pins_a + &mmc0_cd_cfg &mmc0_sck_cfg>; + bus-width = <4>; + status = "okay"; + }; + + ssp2: ssp@80014000 { + compatible = "fsl,imx28-spi"; + pinctrl-names = "default"; + pinctrl-0 = <&spi2_pins_a>; + status = "okay"; + }; + + pinctrl@80018000 { + pinctrl-names = "default"; + pinctrl-0 = <&hog_pins_apf28dev>; + + hog_pins_apf28dev: hog@0 { + reg = <0>; + fsl,pinmux-ids = < + 0x1103 /* MX28_PAD_LCD_D16__GPIO_1_16 */ + 0x1113 /* MX28_PAD_LCD_D17__GPIO_1_17 */ + 0x1123 /* MX28_PAD_LCD_D18__GPIO_1_18 */ + 0x1133 /* MX28_PAD_LCD_D19__GPIO_1_19 */ + 0x1143 /* MX28_PAD_LCD_D20__GPIO_1_20 */ + 0x1153 /* MX28_PAD_LCD_D21__GPIO_1_21 */ + 0x1163 /* MX28_PAD_LCD_D22__GPIO_1_22 */ + >; + fsl,drive-strength = <0>; + fsl,voltage = <1>; + fsl,pull-up = <0>; + }; + + lcdif_pins_apf28dev: lcdif-apf28dev@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_16bit_pins_a + &lcdif_pins_apf28dev>; + status = "okay"; + }; + }; + + apbx@80040000 { + lradc@80050000 { + status = "okay"; + }; + + i2c0: i2c@80058000 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c0_pins_a>; + status = "okay"; + }; + + pwm: pwm@80064000 { + pinctrl-names = "default"; + pinctrl-0 = <&pwm3_pins_a &pwm4_pins_a>; + status = "okay"; + }; + + usbphy0: usbphy@8007c000 { + status = "okay"; + }; + + usbphy1: usbphy@8007e000 { + status = "okay"; + }; + }; + }; + + ahb@80080000 { + usb0: usb@80080000 { + vbus-supply = <®_usb0_vbus>; + status = "okay"; + }; + + usb1: usb@80090000 { + status = "okay"; + }; + + mac1: ethernet@800f4000 { + phy-mode = "rmii"; + pinctrl-names = "default"; + pinctrl-0 = <&mac1_pins_a>; + phy-reset-gpios = <&gpio0 23 0>; + status = "okay"; + }; + }; + + regulators { + compatible = "simple-bus"; + + reg_usb0_vbus: usb0_vbus { + compatible = "regulator-fixed"; + regulator-name = "usb0_vbus"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + gpio = <&gpio1 23 1>; + }; + }; + + leds { + compatible = "gpio-leds"; + + user { + label = "Heartbeat"; + gpios = <&gpio0 21 0>; + linux,default-trigger = "heartbeat"; + }; + }; + + backlight { + compatible = "pwm-backlight"; + + pwms = <&pwm 3 191000>; + brightness-levels = <0 4 8 16 32 64 128 255>; + default-brightness-level = <6>; + }; +}; diff --git a/arch/arm/boot/dts/imx28-cfa10036.dts b/arch/arm/boot/dts/imx28-cfa10036.dts index c03a577beca..794fc9f8ec3 100644 --- a/arch/arm/boot/dts/imx28-cfa10036.dts +++ b/arch/arm/boot/dts/imx28-cfa10036.dts @@ -22,6 +22,31 @@ apb@80000000 { apbh@80000000 { + pinctrl@80018000 { + pinctrl-names = "default"; + pinctrl-0 = <&hog_pins_cfa10036>; + + hog_pins_cfa10036: hog-10036@0 { + reg = <0>; + fsl,pinmux-ids = < + 0x2073 /* MX28_PAD_SSP0_D7__GPIO_2_7 */ + >; + fsl,drive-strength = <0>; + fsl,voltage = <1>; + fsl,pull-up = <0>; + }; + + led_pins_cfa10036: leds-10036@0 { + reg = <0>; + fsl,pinmux-ids = < + 0x3043 /* MX28_PAD_AUART1_RX__GPIO_3_4 */ + >; + fsl,drive-strength = <0>; + fsl,voltage = <1>; + fsl,pull-up = <0>; + }; + }; + ssp0: ssp@80010000 { compatible = "fsl,imx28-mmc"; pinctrl-names = "default"; @@ -43,6 +68,8 @@ leds { compatible = "gpio-leds"; + pinctrl-names = "default"; + pinctrl-0 = <&led_pins_cfa10036>; power { gpios = <&gpio3 4 1>; diff --git a/arch/arm/boot/dts/imx28-cfa10049.dts b/arch/arm/boot/dts/imx28-cfa10049.dts index 05c892e931e..b222614ac9e 100644 --- a/arch/arm/boot/dts/imx28-cfa10049.dts +++ b/arch/arm/boot/dts/imx28-cfa10049.dts @@ -22,6 +22,22 @@ apb@80000000 { apbh@80000000 { pinctrl@80018000 { + pinctrl-names = "default", "default"; + pinctrl-1 = <&hog_pins_cfa10049>; + + hog_pins_cfa10049: hog-10049@0 { + reg = <0>; + fsl,pinmux-ids = < + 0x0073 /* MX28_PAD_GPMI_D7__GPIO_0_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 */ + >; + fsl,drive-strength = <0>; + fsl,voltage = <1>; + fsl,pull-up = <0>; + }; + spi3_pins_cfa10049: spi3-cfa10049@0 { reg = <0>; fsl,pinmux-ids = < @@ -29,6 +45,7 @@ 0x01c1 /* MX28_PAD_GPMI_RESETN__SSP3_CMD */ 0x0111 /* MX28_PAD_GPMI_CE1N__SSP3_D3 */ 0x01a2 /* MX28_PAD_GPMI_ALE__SSP3_D4 */ + 0x01b2 /* MX28_PAD_GPMI_CLE__SSP3_D5 */ >; fsl,drive-strength = <1>; fsl,voltage = <1>; @@ -60,6 +77,11 @@ spi-max-frequency = <100000>; }; + dac0: dh2228@2 { + compatible = "rohm,dh2228fv"; + reg = <2>; + spi-max-frequency = <100000>; + }; }; }; @@ -96,4 +118,15 @@ 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"; + }; + }; }; diff --git a/arch/arm/boot/dts/imx28-evk.dts b/arch/arm/boot/dts/imx28-evk.dts index a0ad71ca3a4..2da316e0440 100644 --- a/arch/arm/boot/dts/imx28-evk.dts +++ b/arch/arm/boot/dts/imx28-evk.dts @@ -76,7 +76,6 @@ 0x20c3 /* MX28_PAD_SSP1_SCK__GPIO_2_12 */ 0x31c3 /* MX28_PAD_PWM3__GPIO_3_28 */ 0x31e3 /* MX28_PAD_LCD_RESET__GPIO_3_30 */ - 0x3053 /* MX28_PAD_AUART1_TX__GPIO_3_5 */ 0x3083 /* MX28_PAD_AUART2_RX__GPIO_3_8 */ 0x3093 /* MX28_PAD_AUART2_TX__GPIO_3_9 */ >; @@ -85,6 +84,16 @@ fsl,pull-up = <0>; }; + led_pin_gpio3_5: led_gpio3_5@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>; + }; + gpmi_pins_evk: gpmi-nand-evk@0 { reg = <0>; fsl,pinmux-ids = < @@ -288,6 +297,8 @@ leds { compatible = "gpio-leds"; + pinctrl-names = "default"; + pinctrl-0 = <&led_pin_gpio3_5>; user { label = "Heartbeat"; diff --git a/arch/arm/boot/dts/imx28.dtsi b/arch/arm/boot/dts/imx28.dtsi index 55c57ea6169..d7013f73f2e 100644 --- a/arch/arm/boot/dts/imx28.dtsi +++ b/arch/arm/boot/dts/imx28.dtsi @@ -492,6 +492,16 @@ fsl,pull-up = <0>; }; + pwm3_pins_a: pwm3@0 { + reg = <0>; + fsl,pinmux-ids = < + 0x31c0 /* MX28_PAD_PWM3__PWM_3 */ + >; + fsl,drive-strength = <0>; + fsl,voltage = <1>; + fsl,pull-up = <0>; + }; + pwm4_pins_a: pwm4@0 { reg = <0>; fsl,pinmux-ids = < @@ -535,6 +545,31 @@ fsl,pull-up = <0>; }; + lcdif_16bit_pins_a: lcdif-16bit@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 */ + >; + fsl,drive-strength = <0>; + fsl,voltage = <1>; + fsl,pull-up = <0>; + }; + can0_pins_a: can0@0 { reg = <0>; fsl,pinmux-ids = < diff --git a/arch/arm/configs/mxs_defconfig b/arch/arm/configs/mxs_defconfig index 048aaca6081..7bf535104e2 100644 --- a/arch/arm/configs/mxs_defconfig +++ b/arch/arm/configs/mxs_defconfig @@ -61,6 +61,8 @@ CONFIG_MTD_NAND_GPMI_NAND=y CONFIG_NETDEVICES=y CONFIG_NET_ETHERNET=y CONFIG_ENC28J60=y +CONFIG_USB_USBNET=y +CONFIG_USB_NET_SMSC95XX=y # CONFIG_NETDEV_1000 is not set # CONFIG_NETDEV_10000 is not set # CONFIG_WLAN is not set @@ -158,6 +160,10 @@ CONFIG_NFS_V3=y CONFIG_NFS_V3_ACL=y CONFIG_NFS_V4=y CONFIG_ROOT_NFS=y +CONFIG_NLS_CODEPAGE_437=y +CONFIG_NLS_CODEPAGE_850=y +CONFIG_NLS_ISO8859_1=y +CONFIG_NLS_ISO8859_15=y CONFIG_PRINTK_TIME=y CONFIG_FRAME_WARN=2048 CONFIG_MAGIC_SYSRQ=y diff --git a/arch/arm/mach-mxs/mach-mxs.c b/arch/arm/mach-mxs/mach-mxs.c index 4748ec551a6..67ef3550609 100644 --- a/arch/arm/mach-mxs/mach-mxs.c +++ b/arch/arm/mach-mxs/mach-mxs.c @@ -100,6 +100,25 @@ static struct fb_videomode apx4devkit_video_modes[] = { }, }; +static struct fb_videomode apf28dev_video_modes[] = { + { + .name = "LW700", + .refresh = 60, + .xres = 800, + .yres = 480, + .pixclock = 30303, /* picosecond */ + .left_margin = 96, + .right_margin = 96, /* at least 3 & 1 */ + .upper_margin = 0x14, + .lower_margin = 0x15, + .hsync_len = 64, + .vsync_len = 4, + .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT | + FB_SYNC_DATA_ENABLE_HIGH_ACT | + FB_SYNC_DOTCLK_FAILING_ACT, + }, +}; + static struct mxsfb_platform_data mxsfb_pdata __initdata; /* @@ -160,6 +179,7 @@ static struct sys_timer imx28_timer = { enum mac_oui { OUI_FSL, OUI_DENX, + OUI_CRYSTALFONTZ, }; static void __init update_fec_mac_prop(enum mac_oui oui) @@ -175,8 +195,12 @@ static void __init update_fec_mac_prop(enum mac_oui oui) np = of_find_compatible_node(from, NULL, "fsl,imx28-fec"); if (!np) return; + from = np; + if (of_get_property(np, "local-mac-address", NULL)) + continue; + newmac = kzalloc(sizeof(*newmac) + 6, GFP_KERNEL); if (!newmac) return; @@ -205,6 +229,11 @@ static void __init update_fec_mac_prop(enum mac_oui oui) macaddr[1] = 0xe5; macaddr[2] = 0x4e; break; + case OUI_CRYSTALFONTZ: + macaddr[0] = 0x58; + macaddr[1] = 0xb9; + macaddr[2] = 0xe1; + break; } val = ocotp[i]; macaddr[3] = (val >> 16) & 0xff; @@ -355,6 +384,22 @@ static void __init tx28_post_init(void) pinctrl_put(pctl); } +static void __init cfa10049_init(void) +{ + enable_clk_enet_out(); + update_fec_mac_prop(OUI_CRYSTALFONTZ); +} + +static void __init apf28_init(void) +{ + enable_clk_enet_out(); + + mxsfb_pdata.mode_list = apf28dev_video_modes; + mxsfb_pdata.mode_count = ARRAY_SIZE(apf28dev_video_modes); + mxsfb_pdata.default_bpp = 16; + mxsfb_pdata.ld_intf_width = STMLCDIF_16BIT; +} + static void __init mxs_machine_init(void) { if (of_machine_is_compatible("fsl,imx28-evk")) @@ -365,6 +410,10 @@ static void __init mxs_machine_init(void) m28evk_init(); else if (of_machine_is_compatible("bluegiga,apx4devkit")) apx4devkit_init(); + else if (of_machine_is_compatible("crystalfontz,cfa10049")) + cfa10049_init(); + else if (of_machine_is_compatible("armadeus,imx28-apf28")) + apf28_init(); of_platform_populate(NULL, of_default_bus_match_table, mxs_auxdata_lookup, NULL); diff --git a/arch/arm/mach-mxs/timer.c b/arch/arm/mach-mxs/timer.c index 7c379261339..856f4c79606 100644 --- a/arch/arm/mach-mxs/timer.c +++ b/arch/arm/mach-mxs/timer.c @@ -29,6 +29,7 @@ #include <linux/of_irq.h> #include <asm/mach/time.h> +#include <asm/sched_clock.h> #include <mach/mxs.h> #include <mach/common.h> @@ -233,15 +234,22 @@ static struct clocksource clocksource_mxs = { .flags = CLOCK_SOURCE_IS_CONTINUOUS, }; +static u32 notrace mxs_read_sched_clock_v2(void) +{ + return ~readl_relaxed(mxs_timrot_base + HW_TIMROT_RUNNING_COUNTn(1)); +} + static int __init mxs_clocksource_init(struct clk *timer_clk) { unsigned int c = clk_get_rate(timer_clk); if (timrot_is_v1()) clocksource_register_hz(&clocksource_mxs, c); - else + else { clocksource_mmio_init(mxs_timrot_base + HW_TIMROT_RUNNING_COUNTn(1), "mxs_timer", c, 200, 32, clocksource_mmio_readl_down); + setup_sched_clock(mxs_read_sched_clock_v2, 32, c); + } return 0; } |