diff options
Diffstat (limited to 'arch/arm/boot/dts/gemini-dlink-dir-685.dts')
| -rw-r--r-- | arch/arm/boot/dts/gemini-dlink-dir-685.dts | 61 |
1 files changed, 39 insertions, 22 deletions
diff --git a/arch/arm/boot/dts/gemini-dlink-dir-685.dts b/arch/arm/boot/dts/gemini-dlink-dir-685.dts index 6f258b50eb44..592111c8d6fd 100644 --- a/arch/arm/boot/dts/gemini-dlink-dir-685.dts +++ b/arch/arm/boot/dts/gemini-dlink-dir-685.dts @@ -28,7 +28,7 @@ compatible = "gpio-keys"; button-esc { - debounce-interval = <50>; + debounce-interval = <100>; wakeup-source; linux,code = <KEY_ESC>; label = "reset"; @@ -36,7 +36,7 @@ gpios = <&gpio0 8 GPIO_ACTIVE_LOW>; }; button-eject { - debounce-interval = <50>; + debounce-interval = <100>; wakeup-source; linux,code = <KEY_EJECTCD>; label = "unmount"; @@ -64,7 +64,6 @@ gpio-sck = <&gpio1 5 GPIO_ACTIVE_HIGH>; gpio-miso = <&gpio1 8 GPIO_ACTIVE_HIGH>; gpio-mosi = <&gpio1 7 GPIO_ACTIVE_HIGH>; - /* Collides with pflash CE1, not so cool */ cs-gpios = <&gpio0 20 GPIO_ACTIVE_HIGH>; num-chipselects = <1>; @@ -253,15 +252,18 @@ soc { flash@30000000 { /* - * Flash access is by default disabled, because it - * collides with the Chip Enable signal for the display - * panel, that reuse the parallel flash Chip Select 1 - * (CS1). Enabling flash makes graphics stop working. - * - * We might be able to hack around this by letting - * GPIO poke around in the flash controller registers. + * Flash access collides with the Chip Enable signal for + * the display panel, that reuse the parallel flash Chip + * Select 1 (CS1). We switch the pin control state so we + * enable these pins for flash access only when we need + * then, and when disabled they can be used for GPIO which + * is what the display panel needs. */ - /* status = "okay"; */ + status = "okay"; + pinctrl-names = "enabled", "disabled"; + pinctrl-0 = <&pflash_default_pins>; + pinctrl-1 = <&pflash_disabled_pins>; + /* 32MB of flash */ reg = <0x30000000 0x02000000>; @@ -274,20 +276,16 @@ read-only; }; /* - * Between the boot loader and the rootfs is the kernel - * in a custom Storlink format flashed from the boot - * menu. The rootfs is in squashfs format. + * This firmware image contains the kernel catenated + * with the squashfs root filesystem. For some reason + * this is called "upgrade" on the vendor system. */ - partition@1800c0 { - label = "rootfs"; - reg = <0x001800c0 0x01dbff40>; - read-only; - }; - partition@1f40000 { + partition@40000 { label = "upgrade"; - reg = <0x01f40000 0x00040000>; + reg = <0x00040000 0x01f40000>; read-only; }; + /* RGDB, Residental Gateway Database? */ partition@1f80000 { label = "rgdb"; reg = <0x01f80000 0x00040000>; @@ -331,7 +329,6 @@ "gpio0cgrp", "gpio0egrp", "gpio0fgrp", - "gpio0ggrp", "gpio0hgrp"; }; }; @@ -346,6 +343,18 @@ groups = "gpio1bgrp"; }; }; + /* + * These GPIO groups will be mapped in over some + * of the flash pins when the flash is not in + * active use. + */ + pflash_disabled_pins: pinctrl-pflash-disabled { + mux { + function = "gpio0"; + groups = "gpio0ggrp", "gpio0igrp", "gpio0jgrp", + "gpio0kgrp"; + }; + }; pinctrl-gmii { mux { function = "gmii"; @@ -443,5 +452,13 @@ }; }; }; + + usb@68000000 { + status = "okay"; + }; + + usb@69000000 { + status = "okay"; + }; }; }; |