From 974cc7b93441a0e78f030495436d1be7eb7c208d Mon Sep 17 00:00:00 2001 From: Pawel Moll Date: Wed, 23 Apr 2014 10:49:31 +0100 Subject: mfd: vexpress: Define the device as MFD cells This patch - finally, after over 6 months! :-( - addresses Samuel's request to split the vexpress-sysreg driver into smaller portions and define the device in a form of MFD cells: * LEDs code has been completely removed and replaced with "gpio-leds" nodes in the tree (referencing dedicated GPIO subnodes in sysreg - bindings documentation updated); this also better fits the reality as some variants of the motherboard don't have all the LEDs populated * syscfg bridge code has been extracted into a separate driver (placed in drivers/misc for no better place) * all the ID & MISC registers are defined as sysconf making them available for other drivers should they need to use them (and also to the user via /sys/kernel/debug/regmap which can be helpful in platform debugging) Signed-off-by: Pawel Moll Acked-by: Lee Jones --- arch/arm/boot/dts/vexpress-v2m.dtsi | 76 +++++++++++++++++++++++++++++++++++-- 1 file changed, 72 insertions(+), 4 deletions(-) (limited to 'arch/arm/boot/dts/vexpress-v2m.dtsi') diff --git a/arch/arm/boot/dts/vexpress-v2m.dtsi b/arch/arm/boot/dts/vexpress-v2m.dtsi index f1420368355b..ba856d604fb7 100644 --- a/arch/arm/boot/dts/vexpress-v2m.dtsi +++ b/arch/arm/boot/dts/vexpress-v2m.dtsi @@ -73,8 +73,24 @@ v2m_sysreg: sysreg@00000 { compatible = "arm,vexpress-sysreg"; reg = <0x00000 0x1000>; - gpio-controller; - #gpio-cells = <2>; + + v2m_led_gpios: sys_led@08 { + compatible = "arm,vexpress-sysreg,sys_led"; + gpio-controller; + #gpio-cells = <2>; + }; + + v2m_mmc_gpios: sys_mci@48 { + compatible = "arm,vexpress-sysreg,sys_mci"; + gpio-controller; + #gpio-cells = <2>; + }; + + v2m_flash_gpios: sys_flash@4c { + compatible = "arm,vexpress-sysreg,sys_flash"; + gpio-controller; + #gpio-cells = <2>; + }; }; v2m_sysctl: sysctl@01000 { @@ -112,8 +128,8 @@ compatible = "arm,pl180", "arm,primecell"; reg = <0x05000 0x1000>; interrupts = <9 10>; - cd-gpios = <&v2m_sysreg 0 0>; - wp-gpios = <&v2m_sysreg 1 0>; + cd-gpios = <&v2m_mmc_gpios 0 0>; + wp-gpios = <&v2m_mmc_gpios 1 0>; max-frequency = <12000000>; vmmc-supply = <&v2m_fixed_3v3>; clocks = <&v2m_clk24mhz>, <&smbclk>; @@ -264,6 +280,58 @@ clock-output-names = "v2m:refclk32khz"; }; + leds { + compatible = "gpio-leds"; + + user@1 { + label = "v2m:green:user1"; + gpios = <&v2m_led_gpios 0 0>; + linux,default-trigger = "heartbeat"; + }; + + user@2 { + label = "v2m:green:user2"; + gpios = <&v2m_led_gpios 1 0>; + linux,default-trigger = "mmc0"; + }; + + user@3 { + label = "v2m:green:user3"; + gpios = <&v2m_led_gpios 2 0>; + linux,default-trigger = "cpu0"; + }; + + user@4 { + label = "v2m:green:user4"; + gpios = <&v2m_led_gpios 3 0>; + linux,default-trigger = "cpu1"; + }; + + user@5 { + label = "v2m:green:user5"; + gpios = <&v2m_led_gpios 4 0>; + linux,default-trigger = "cpu2"; + }; + + user@6 { + label = "v2m:green:user6"; + gpios = <&v2m_led_gpios 5 0>; + linux,default-trigger = "cpu3"; + }; + + user@7 { + label = "v2m:green:user7"; + gpios = <&v2m_led_gpios 6 0>; + linux,default-trigger = "cpu4"; + }; + + user@8 { + label = "v2m:green:user8"; + gpios = <&v2m_led_gpios 7 0>; + linux,default-trigger = "cpu5"; + }; + }; + mcc { compatible = "arm,vexpress,config-bus"; arm,vexpress,config-bridge = <&v2m_sysreg>; -- cgit v1.2.3-59-g8ed1b