| Message ID | 20170715175056.13040-5-linus.walleij@linaro.org |
|---|---|
| State | New |
| Headers | show |
| Series | None | expand |
Hi Linus On Sat, 15 Jul 2017, Linus Walleij wrote: > This adds the basic pin control muliplexing settings for the > Gemini SoC: parallel (NOR) flash, SATA, optional IDE, PCI and > UART. > > We also select the right GPIO groups on all applicable systems > so that GPIO keys/LEDs work smoothly. > > We can then build upon this for more complex systems. > > Signed-off-by: Linus Walleij <linus.walleij@linaro.org> > --- > arch/arm/boot/dts/gemini-dlink-dir-685.dts | 55 ++++++++++++++ > arch/arm/boot/dts/gemini-nas4220b.dts | 24 ++++++ > arch/arm/boot/dts/gemini-rut1xx.dts | 39 ++++++++++ > arch/arm/boot/dts/gemini-sq201.dts | 36 ++++++++- > arch/arm/boot/dts/gemini-wbd111.dts | 26 +++++++ > arch/arm/boot/dts/gemini-wbd222.dts | 26 +++++++ > arch/arm/boot/dts/gemini.dtsi | 117 +++++++++++++++++++++++++++++ > 7 files changed, 322 insertions(+), 1 deletion(-) > > diff --git a/arch/arm/boot/dts/gemini-dlink-dir-685.dts b/arch/arm/boot/dts/gemini-dlink-dir-685.dts > index f59dada28f6a..094a29624b8d 100644 > --- a/arch/arm/boot/dts/gemini-dlink-dir-685.dts > +++ b/arch/arm/boot/dts/gemini-dlink-dir-685.dts > @@ -33,6 +33,7 @@ > wakeup-source; > linux,code = <KEY_ESC>; > label = "reset"; > + /* Collides with LPC_LAD[0], UART DCD, SSP 97RST */ > gpios = <&gpio0 8 GPIO_ACTIVE_LOW>; > }; > button@13 { > @@ -40,6 +41,7 @@ > wakeup-source; > linux,code = <KEY_EJECTCD>; > label = "unmount"; > + /* Collides with LPC LFRAME, UART RTS, SSP TXD */ > gpios = <&gpio0 13 GPIO_ACTIVE_LOW>; > }; > }; > @@ -48,6 +50,7 @@ > compatible = "gpio-leds"; > led@7 { > label = "dir685:blue:WPS"; > + /* Collides with ICE */ > gpios = <&gpio0 7 GPIO_ACTIVE_LOW>; > default-state = "on"; > linux,default-trigger = "heartbeat"; > @@ -60,11 +63,13 @@ > */ > led@11 { > label = "dir685:blue:HD"; > + /* Collides with LPC_SERIRQ, UART DTR, SSP FSC pins */ > gpios = <&gpio0 11 GPIO_ACTIVE_HIGH>; > default-state = "off"; > }; > led@12 { > label = "dir685:orange:HD"; > + /* Collides with LPC_LAD[2], UART DSR, SSP ECLK pins */ > gpios = <&gpio0 12 GPIO_ACTIVE_HIGH>; > default-state = "off"; > }; > @@ -80,6 +85,7 @@ > */ > gpio-fan { > compatible = "gpio-fan"; > + /* Collides with IDE */ > gpios = <&gpio1 6 GPIO_ACTIVE_HIGH>; > gpio-fan,speed-map = <0 0>, <10000 1>; > #cooling-cells = <2>; > @@ -91,6 +97,7 @@ > */ > gpio-i2c { > compatible = "i2c-gpio"; > + /* Collides with ICE */ > gpios = <&gpio0 5 0>, /* SDA */ > <&gpio0 6 0>; /* SCL */ > #address-cells = <1>; > @@ -100,6 +107,7 @@ > compatible = "dlink,dir685-touchkeys"; > reg = <0x26>; > interrupt-parent = <&gpio0>; > + /* Collides with NAND flash */ > interrupts = <17 IRQ_TYPE_EDGE_FALLING>; > }; > }; > @@ -155,12 +163,59 @@ > }; > }; > > + syscon: syscon@40000000 { > + pinctrl { > + /* > + * gpio0bgrp cover line 5, 6 used by TK I2C > + * gpio0bgrp cover line 7 used by WPS LED > + * gpio0cgrp cover line 8, 13 used by keys > + * and 11, 12 used by the HD LEDs > + * gpio0egrp cover line 16 used by VDISP > + * gpio0fgrp cover line 17 used by TK IRQ > + * gpio0ggrp cover line 20 used by panel CS > + * gpio0hgrp cover line 21,22 used by RTL8366RB > + */ > + gpio0_default_pins: pinctrl-gpio0 { > + mux { > + function = "gpio0"; > + groups = "gpio0bgrp", > + "gpio0cgrp", > + "gpio0egrp", > + "gpio0fgrp", > + "gpio0ggrp", > + "gpio0hgrp"; > + }; > + }; > + /* > + * gpio1bgrp cover line 5,8,7 used by panel SPI > + * also line 6 used by the fan > + * > + */ > + gpio1_default_pins: pinctrl-gpio1 { > + mux { > + function = "gpio1"; > + groups = "gpio1bgrp"; > + }; > + }; > + }; > + }; > + > sata: sata@46000000 { > cortina,gemini-ata-muxmode = <0>; > cortina,gemini-enable-sata-bridge; > status = "okay"; > }; > > + gpio0: gpio@4d000000 { > + pinctrl-names = "default"; > + pinctrl-0 = <&gpio0_default_pins>; > + }; > + > + gpio1: gpio@4e000000 { > + pinctrl-names = "default"; > + pinctrl-0 = <&gpio1_default_pins>; > + }; > + > pci@50000000 { > status = "okay"; > interrupt-map-mask = <0xf800 0 0 7>; > diff --git a/arch/arm/boot/dts/gemini-nas4220b.dts b/arch/arm/boot/dts/gemini-nas4220b.dts > index 55f6a4f1f801..b4fc58c8cf8d 100644 > --- a/arch/arm/boot/dts/gemini-nas4220b.dts > +++ b/arch/arm/boot/dts/gemini-nas4220b.dts > @@ -33,6 +33,7 @@ > wakeup-source; > linux,code = <KEY_SETUP>; > label = "Backup button"; > + /* Conflict with TVC */ > gpios = <&gpio1 29 GPIO_ACTIVE_LOW>; > }; > button@31 { > @@ -40,6 +41,7 @@ > wakeup-source; > linux,code = <KEY_RESTART>; > label = "Softreset button"; > + /* Conflict with TVC */ > gpios = <&gpio1 31 GPIO_ACTIVE_LOW>; > }; > }; > @@ -48,11 +50,13 @@ > compatible = "gpio-leds"; > led@28 { > label = "nas4220b:orange:hdd"; > + /* Conflict with TVC */ > gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>; > default-state = "on"; > }; > led@30 { > label = "nas4220b:green:os"; > + /* Conflict with TVC */ > gpios = <&gpio1 30 GPIO_ACTIVE_HIGH>; > default-state = "on"; > linux,default-trigger = "heartbeat"; > @@ -99,12 +103,32 @@ > }; > }; > > + syscon: syscon@40000000 { > + pinctrl { > + /* > + * gpio1dgrp cover line 28-31 otherwise used > + * by TVC. > + */ > + gpio1_default_pins: pinctrl-gpio1 { > + mux { > + function = "gpio1"; > + groups = "gpio1dgrp"; > + }; > + }; > + }; > + }; > + > sata: sata@46000000 { > cortina,gemini-ata-muxmode = <0>; > cortina,gemini-enable-sata-bridge; > status = "okay"; > }; > > + gpio1: gpio@4e000000 { > + pinctrl-names = "default"; > + pinctrl-0 = <&gpio1_default_pins>; > + }; > + > ata@63000000 { > status = "okay"; > }; > diff --git a/arch/arm/boot/dts/gemini-rut1xx.dts b/arch/arm/boot/dts/gemini-rut1xx.dts > index 7b920bfbda32..3613b264f45f 100644 > --- a/arch/arm/boot/dts/gemini-rut1xx.dts > +++ b/arch/arm/boot/dts/gemini-rut1xx.dts > @@ -33,6 +33,7 @@ > wakeup-source; > linux,code = <KEY_SETUP>; > label = "Reset to defaults"; > + /* Conflict with TVC */ > gpios = <&gpio1 28 GPIO_ACTIVE_LOW>; > }; > }; > @@ -42,12 +43,14 @@ > led@7 { > /* FIXME: add the LED color */ > label = "rut1xx::gsm"; > + /* Conflict with ICE */ > gpios = <&gpio0 7 GPIO_ACTIVE_HIGH>; > default-state = "on"; > }; > led@31 { > /* FIXME: add the LED color */ > label = "rut1xx::power"; > + /* Conflict with NAND CE0 */ > gpios = <&gpio0 17 GPIO_ACTIVE_HIGH>; > default-state = "off"; > linux,default-trigger = "heartbeat"; > @@ -61,5 +64,41 @@ > reg = <0x30000000 0x00800000>; > /* TODO: add flash partitions here */ > }; > + > + syscon: syscon@40000000 { > + pinctrl { > + /* > + * gpio0bgrp cover line 7 used by GSM LED > + * gpio0fgrp cover line 17 used by power LED > + */ > + gpio0_default_pins: pinctrl-gpio0 { > + mux { > + function = "gpio0"; > + groups = "gpio0bgrp", > + "gpio0fgrp"; > + }; > + }; > + /* > + * gpio1dgrp cover line 28-31 otherwise used > + * by TVC. > + */ > + gpio1_default_pins: pinctrl-gpio1 { > + mux { > + function = "gpio1"; > + groups = "gpio1dgrp"; > + }; > + }; > + }; > + }; > + > + gpio0: gpio@4d000000 { > + pinctrl-names = "default"; > + pinctrl-0 = <&gpio0_default_pins>; > + }; > + > + gpio1: gpio@4e000000 { > + pinctrl-names = "default"; > + pinctrl-0 = <&gpio1_default_pins>; > + }; > }; > }; > diff --git a/arch/arm/boot/dts/gemini-sq201.dts b/arch/arm/boot/dts/gemini-sq201.dts > index 4d200f0bcd45..7cfa9caf47d4 100644 > --- a/arch/arm/boot/dts/gemini-sq201.dts > +++ b/arch/arm/boot/dts/gemini-sq201.dts > @@ -33,6 +33,7 @@ > wakeup-source; > linux,code = <KEY_SETUP>; > label = "factory reset"; > + /* Conflict with NAND flash */ > gpios = <&gpio0 18 GPIO_ACTIVE_LOW>; > }; > }; > @@ -41,12 +42,14 @@ > compatible = "gpio-leds"; > led@20 { > label = "sq201:green:info"; > + /* Conflict with parallel flash */ > gpios = <&gpio0 20 GPIO_ACTIVE_HIGH>; > default-state = "on"; > linux,default-trigger = "heartbeat"; > }; > led@31 { > label = "sq201:green:usb"; > + /* Conflict with parallel and NAND flash */ > gpios = <&gpio0 31 GPIO_ACTIVE_HIGH>; > default-state = "off"; > linux,default-trigger = "usb-host"; > @@ -55,7 +58,15 @@ > > soc { > flash@30000000 { > - status = "okay"; > + /* > + * Flash access can be enabled, with the side effect > + * of disabling access to GPIO LED on GPIO0[20] which > + * reuse one of the parallel flash chip select lines. > + * Also the default firmware on the machine has the > + * problem that since it uses the flash, the two LEDS > + * on the right become numb. > + */ > + /* status = "okay"; */ > /* 16MB of flash */ > reg = <0x30000000 0x01000000>; > > @@ -93,12 +104,35 @@ > }; > }; > > + syscon: syscon@40000000 { > + pinctrl { > + /* > + * gpio0fgrp cover line 18 used by reset button > + * gpio0ggrp cover line 20 used by info LED > + * gpio0kgrp cover line 31 used by USB LED > + */ > + gpio0_default_pins: pinctrl-gpio0 { > + mux { > + function = "gpio0"; > + groups = "gpio0fgrp", > + "gpio0ggrp", > + "gpio0kgrp"; > + }; > + }; > + }; > + }; > + > sata: sata@46000000 { > cortina,gemini-ata-muxmode = <0>; > cortina,gemini-enable-sata-bridge; > status = "okay"; > }; > > + gpio0: gpio@4d000000 { > + pinctrl-names = "default"; > + pinctrl-0 = <&gpio0_default_pins>; > + }; > + > pci@50000000 { > status = "okay"; > interrupt-map-mask = <0xf800 0 0 7>; > diff --git a/arch/arm/boot/dts/gemini-wbd111.dts b/arch/arm/boot/dts/gemini-wbd111.dts > index 63b756e3bf5a..38a49e750478 100644 > --- a/arch/arm/boot/dts/gemini-wbd111.dts > +++ b/arch/arm/boot/dts/gemini-wbd111.dts > @@ -33,6 +33,7 @@ > wakeup-source; > linux,code = <KEY_SETUP>; > label = "reset"; > + /* Conflict with ICE */ > gpios = <&gpio0 5 GPIO_ACTIVE_LOW>; > }; > }; > @@ -42,21 +43,25 @@ > > led@1 { > label = "wbd111:red:L3"; > + /* Conflict with TVC and extended parallel flash */ > gpios = <&gpio0 1 GPIO_ACTIVE_HIGH>; > default-state = "off"; > }; > led@2 { > label = "wbd111:green:L4"; > + /* Conflict with TVC and extended parallel flash */ > gpios = <&gpio0 2 GPIO_ACTIVE_HIGH>; > default-state = "off"; > }; > led@3 { > label = "wbd111:red:L4"; > + /* Conflict with TVC and extended parallel flash */ > gpios = <&gpio0 3 GPIO_ACTIVE_HIGH>; > default-state = "off"; > }; > led@5 { > label = "wbd111:green:L3"; > + /* Conflict with TVC and extended parallel flash */ > gpios = <&gpio0 5 GPIO_ACTIVE_HIGH>; > default-state = "on"; > linux,default-trigger = "heartbeat"; > @@ -98,5 +103,26 @@ > read-only; > }; > }; > + > + syscon: syscon@40000000 { > + pinctrl { > + /* > + * gpio0agrp cover line 0-4 > + * gpio0bgrp cover line 5 > + */ > + gpio0_default_pins: pinctrl-gpio0 { > + mux { > + function = "gpio0"; > + groups = "gpio0agrp", > + "gpio0bgrp"; > + }; > + }; > + }; > + }; > + > + gpio0: gpio@4d000000 { > + pinctrl-names = "default"; > + pinctrl-0 = <&gpio0_default_pins>; > + }; > }; > }; > diff --git a/arch/arm/boot/dts/gemini-wbd222.dts b/arch/arm/boot/dts/gemini-wbd222.dts > index 9747f5a47807..f77e34e0df0b 100644 > --- a/arch/arm/boot/dts/gemini-wbd222.dts > +++ b/arch/arm/boot/dts/gemini-wbd222.dts > @@ -33,6 +33,7 @@ > wakeup-source; > linux,code = <KEY_SETUP>; > label = "reset"; > + /* Conflict with ICE */ > gpios = <&gpio0 5 GPIO_ACTIVE_LOW>; > }; > }; > @@ -42,21 +43,25 @@ > > led@1 { > label = "wbd111:red:L3"; > + /* Conflict with TVC and extended parallel flash */ > gpios = <&gpio0 1 GPIO_ACTIVE_HIGH>; > default-state = "off"; > }; > led@2 { > label = "wbd111:green:L4"; > + /* Conflict with TVC and extended parallel flash */ > gpios = <&gpio0 2 GPIO_ACTIVE_HIGH>; > default-state = "off"; > }; > led@3 { > label = "wbd111:red:L4"; > + /* Conflict with TVC and extended parallel flash */ > gpios = <&gpio0 3 GPIO_ACTIVE_HIGH>; > default-state = "off"; > }; > led@5 { > label = "wbd111:green:L3"; > + /* Conflict with TVC and extended parallel flash */ > gpios = <&gpio0 5 GPIO_ACTIVE_HIGH>; > default-state = "on"; > linux,default-trigger = "heartbeat"; > @@ -98,5 +103,26 @@ > read-only; > }; > }; > + > + syscon: syscon@40000000 { > + pinctrl { > + /* > + * gpio0agrp cover line 0-4 > + * gpio0bgrp cover line 5 > + */ > + gpio0_default_pins: pinctrl-gpio0 { > + mux { > + function = "gpio0"; > + groups = "gpio0agrp", > + "gpio0bgrp"; > + }; > + }; > + }; > + }; > + > + gpio0: gpio@4d000000 { > + pinctrl-names = "default"; > + pinctrl-0 = <&gpio0_default_pins>; > + }; > }; > }; > diff --git a/arch/arm/boot/dts/gemini.dtsi b/arch/arm/boot/dts/gemini.dtsi > index 49cce9e9d51f..c68e8d430234 100644 > --- a/arch/arm/boot/dts/gemini.dtsi > +++ b/arch/arm/boot/dts/gemini.dtsi > @@ -20,6 +20,8 @@ > flash@30000000 { > compatible = "cortina,gemini-flash", "cfi-flash"; > syscon = <&syscon>; > + pinctrl-names = "default"; > + pinctrl-0 = <&pflash_default_pins>; > bank-width = <2>; > #address-cells = <1>; > #size-cells = <1>; > @@ -41,6 +43,105 @@ > /* RESET_GLOBAL | RESET_CPU1 */ > mask = <0xC0000000>; > }; > + > + pinctrl { > + compatible = "cortina,gemini-pinctrl"; > + regmap = <&syscon>; > + /* Hog the DRAM pins */ > + pinctrl-names = "default"; > + pinctrl-0 = <&dram_default_pins>, <&system_default_pins>, > + <&vcontrol_default_pins>; > + > + dram_default_pins: pinctrl-dram { > + mux { > + function = "dram"; > + groups = "dramgrp"; > + }; > + }; > + rtc_default_pins: pinctrl-rtc { > + mux { > + function = "rtc"; > + groups = "rtcgrp"; > + }; > + }; > + power_default_pins: pinctrl-power { > + mux { > + function = "power"; > + groups = "powergrp"; > + }; > + }; > + cir_default_pins: pinctrl-cir { > + mux { > + function = "cir"; > + groups = "cirgrp"; > + }; > + }; > + system_default_pins: pinctrl-system { > + mux { > + function = "system"; > + groups = "systemgrp"; > + }; > + }; > + vcontrol_default_pins: pinctrl-vcontrol { > + mux { > + function = "vcontrol"; > + groups = "vcontrolgrp"; > + }; > + }; > + ice_default_pins: pinctrl-ice { > + mux { > + function = "ice"; > + groups = "icegrp"; > + }; > + }; > + uart_default_pins: pinctrl-uart { > + mux { > + function = "uart"; > + groups = "uartrxtxgrp"; > + }; > + }; > + pflash_default_pins: pinctrl-pflash { > + mux { > + function = "pflash"; > + groups = "pflashgrp"; > + }; > + }; > + usb_default_pins: pinctrl-usb { > + mux { > + function = "usb"; > + groups = "usbgrp"; > + }; > + }; > + gmii_default_pins: pinctrl-gmii { > + mux { > + function = "gmii"; > + groups = "gmiigrp"; > + }; > + }; > + pci_default_pins: pinctrl-pci { > + mux { > + function = "pci"; > + groups = "pcigrp"; > + }; > + }; > + sata_default_pins: pinctrl-sata { > + mux { > + function = "sata"; > + groups = "satagrp"; > + }; > + }; > + /* Activate both groups of pins for this state */ > + sata_and_ide_pins: pinctrl-sata-ide { > + mux0 { > + function = "sata"; > + groups = "satagrp"; > + }; > + mux1 { > + function = "ide"; > + groups = "idegrp"; > + }; > + }; > + }; > }; > > watchdog@41000000 { > @@ -57,6 +158,8 @@ > resets = <&syscon GEMINI_RESET_UART>; > clocks = <&syscon GEMINI_CLK_UART>; > interrupts = <18 IRQ_TYPE_LEVEL_HIGH>; > + pinctrl-names = "default"; > + pinctrl-0 = <&uart_default_pins>; > reg-shift = <2>; > }; > > @@ -81,6 +184,8 @@ > resets = <&syscon GEMINI_RESET_RTC>; > clocks = <&syscon GEMINI_CLK_APB>, <&syscon GEMINI_CLK_RTC>; > clock-names = "PCLK", "EXTCLK"; > + pinctrl-names = "default"; > + pinctrl-0 = <&rtc_default_pins>; > }; > > sata: sata@46000000 { > @@ -92,6 +197,14 @@ > clocks = <&syscon GEMINI_CLK_GATE_SATA0>, > <&syscon GEMINI_CLK_GATE_SATA1>; > clock-names = "SATA0_PCLK", "SATA1_PCLK"; > + /* > + * This defines the special "ide" state that needs > + * to be explicitly enabled to enable the IDE pins, > + * as these pins are normally used for other things. > + */ > + pinctrl-names = "default", "ide"; > + pinctrl-0 = <&sata_default_pins>; > + pinctrl-1 = <&sata_and_ide_pins>; > syscon = <&syscon>; > status = "disabled"; > }; > @@ -108,6 +221,8 @@ > compatible = "cortina,gemini-power-controller"; > reg = <0x4b000000 0x100>; > interrupts = <26 IRQ_TYPE_EDGE_RISING>; > + pinctrl-names = "default"; > + pinctrl-0 = <&power_default_pins>; > }; > > gpio0: gpio@4d000000 { > @@ -156,6 +271,8 @@ > resets = <&syscon GEMINI_RESET_PCI>; > clocks = <&syscon GEMINI_CLK_GATE_PCI>, <&syscon GEMINI_CLK_PCI>; > clock-names = "PCLK", "PCICLK"; > + pinctrl-names = "default"; > + pinctrl-0 = <&pci_default_pins>; > #address-cells = <3>; > #size-cells = <2>; > #interrupt-cells = <1>; > -- > 2.9.4 > > Acked-by: Hans Ulli Kroll <ulli.kroll@googlemail.com> -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/arch/arm/boot/dts/gemini-dlink-dir-685.dts b/arch/arm/boot/dts/gemini-dlink-dir-685.dts index f59dada28f6a..094a29624b8d 100644 --- a/arch/arm/boot/dts/gemini-dlink-dir-685.dts +++ b/arch/arm/boot/dts/gemini-dlink-dir-685.dts @@ -33,6 +33,7 @@ wakeup-source; linux,code = <KEY_ESC>; label = "reset"; + /* Collides with LPC_LAD[0], UART DCD, SSP 97RST */ gpios = <&gpio0 8 GPIO_ACTIVE_LOW>; }; button@13 { @@ -40,6 +41,7 @@ wakeup-source; linux,code = <KEY_EJECTCD>; label = "unmount"; + /* Collides with LPC LFRAME, UART RTS, SSP TXD */ gpios = <&gpio0 13 GPIO_ACTIVE_LOW>; }; }; @@ -48,6 +50,7 @@ compatible = "gpio-leds"; led@7 { label = "dir685:blue:WPS"; + /* Collides with ICE */ gpios = <&gpio0 7 GPIO_ACTIVE_LOW>; default-state = "on"; linux,default-trigger = "heartbeat"; @@ -60,11 +63,13 @@ */ led@11 { label = "dir685:blue:HD"; + /* Collides with LPC_SERIRQ, UART DTR, SSP FSC pins */ gpios = <&gpio0 11 GPIO_ACTIVE_HIGH>; default-state = "off"; }; led@12 { label = "dir685:orange:HD"; + /* Collides with LPC_LAD[2], UART DSR, SSP ECLK pins */ gpios = <&gpio0 12 GPIO_ACTIVE_HIGH>; default-state = "off"; }; @@ -80,6 +85,7 @@ */ gpio-fan { compatible = "gpio-fan"; + /* Collides with IDE */ gpios = <&gpio1 6 GPIO_ACTIVE_HIGH>; gpio-fan,speed-map = <0 0>, <10000 1>; #cooling-cells = <2>; @@ -91,6 +97,7 @@ */ gpio-i2c { compatible = "i2c-gpio"; + /* Collides with ICE */ gpios = <&gpio0 5 0>, /* SDA */ <&gpio0 6 0>; /* SCL */ #address-cells = <1>; @@ -100,6 +107,7 @@ compatible = "dlink,dir685-touchkeys"; reg = <0x26>; interrupt-parent = <&gpio0>; + /* Collides with NAND flash */ interrupts = <17 IRQ_TYPE_EDGE_FALLING>; }; }; @@ -155,12 +163,59 @@ }; }; + syscon: syscon@40000000 { + pinctrl { + /* + * gpio0bgrp cover line 5, 6 used by TK I2C + * gpio0bgrp cover line 7 used by WPS LED + * gpio0cgrp cover line 8, 13 used by keys + * and 11, 12 used by the HD LEDs + * gpio0egrp cover line 16 used by VDISP + * gpio0fgrp cover line 17 used by TK IRQ + * gpio0ggrp cover line 20 used by panel CS + * gpio0hgrp cover line 21,22 used by RTL8366RB + */ + gpio0_default_pins: pinctrl-gpio0 { + mux { + function = "gpio0"; + groups = "gpio0bgrp", + "gpio0cgrp", + "gpio0egrp", + "gpio0fgrp", + "gpio0ggrp", + "gpio0hgrp"; + }; + }; + /* + * gpio1bgrp cover line 5,8,7 used by panel SPI + * also line 6 used by the fan + * + */ + gpio1_default_pins: pinctrl-gpio1 { + mux { + function = "gpio1"; + groups = "gpio1bgrp"; + }; + }; + }; + }; + sata: sata@46000000 { cortina,gemini-ata-muxmode = <0>; cortina,gemini-enable-sata-bridge; status = "okay"; }; + gpio0: gpio@4d000000 { + pinctrl-names = "default"; + pinctrl-0 = <&gpio0_default_pins>; + }; + + gpio1: gpio@4e000000 { + pinctrl-names = "default"; + pinctrl-0 = <&gpio1_default_pins>; + }; + pci@50000000 { status = "okay"; interrupt-map-mask = <0xf800 0 0 7>; diff --git a/arch/arm/boot/dts/gemini-nas4220b.dts b/arch/arm/boot/dts/gemini-nas4220b.dts index 55f6a4f1f801..b4fc58c8cf8d 100644 --- a/arch/arm/boot/dts/gemini-nas4220b.dts +++ b/arch/arm/boot/dts/gemini-nas4220b.dts @@ -33,6 +33,7 @@ wakeup-source; linux,code = <KEY_SETUP>; label = "Backup button"; + /* Conflict with TVC */ gpios = <&gpio1 29 GPIO_ACTIVE_LOW>; }; button@31 { @@ -40,6 +41,7 @@ wakeup-source; linux,code = <KEY_RESTART>; label = "Softreset button"; + /* Conflict with TVC */ gpios = <&gpio1 31 GPIO_ACTIVE_LOW>; }; }; @@ -48,11 +50,13 @@ compatible = "gpio-leds"; led@28 { label = "nas4220b:orange:hdd"; + /* Conflict with TVC */ gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>; default-state = "on"; }; led@30 { label = "nas4220b:green:os"; + /* Conflict with TVC */ gpios = <&gpio1 30 GPIO_ACTIVE_HIGH>; default-state = "on"; linux,default-trigger = "heartbeat"; @@ -99,12 +103,32 @@ }; }; + syscon: syscon@40000000 { + pinctrl { + /* + * gpio1dgrp cover line 28-31 otherwise used + * by TVC. + */ + gpio1_default_pins: pinctrl-gpio1 { + mux { + function = "gpio1"; + groups = "gpio1dgrp"; + }; + }; + }; + }; + sata: sata@46000000 { cortina,gemini-ata-muxmode = <0>; cortina,gemini-enable-sata-bridge; status = "okay"; }; + gpio1: gpio@4e000000 { + pinctrl-names = "default"; + pinctrl-0 = <&gpio1_default_pins>; + }; + ata@63000000 { status = "okay"; }; diff --git a/arch/arm/boot/dts/gemini-rut1xx.dts b/arch/arm/boot/dts/gemini-rut1xx.dts index 7b920bfbda32..3613b264f45f 100644 --- a/arch/arm/boot/dts/gemini-rut1xx.dts +++ b/arch/arm/boot/dts/gemini-rut1xx.dts @@ -33,6 +33,7 @@ wakeup-source; linux,code = <KEY_SETUP>; label = "Reset to defaults"; + /* Conflict with TVC */ gpios = <&gpio1 28 GPIO_ACTIVE_LOW>; }; }; @@ -42,12 +43,14 @@ led@7 { /* FIXME: add the LED color */ label = "rut1xx::gsm"; + /* Conflict with ICE */ gpios = <&gpio0 7 GPIO_ACTIVE_HIGH>; default-state = "on"; }; led@31 { /* FIXME: add the LED color */ label = "rut1xx::power"; + /* Conflict with NAND CE0 */ gpios = <&gpio0 17 GPIO_ACTIVE_HIGH>; default-state = "off"; linux,default-trigger = "heartbeat"; @@ -61,5 +64,41 @@ reg = <0x30000000 0x00800000>; /* TODO: add flash partitions here */ }; + + syscon: syscon@40000000 { + pinctrl { + /* + * gpio0bgrp cover line 7 used by GSM LED + * gpio0fgrp cover line 17 used by power LED + */ + gpio0_default_pins: pinctrl-gpio0 { + mux { + function = "gpio0"; + groups = "gpio0bgrp", + "gpio0fgrp"; + }; + }; + /* + * gpio1dgrp cover line 28-31 otherwise used + * by TVC. + */ + gpio1_default_pins: pinctrl-gpio1 { + mux { + function = "gpio1"; + groups = "gpio1dgrp"; + }; + }; + }; + }; + + gpio0: gpio@4d000000 { + pinctrl-names = "default"; + pinctrl-0 = <&gpio0_default_pins>; + }; + + gpio1: gpio@4e000000 { + pinctrl-names = "default"; + pinctrl-0 = <&gpio1_default_pins>; + }; }; }; diff --git a/arch/arm/boot/dts/gemini-sq201.dts b/arch/arm/boot/dts/gemini-sq201.dts index 4d200f0bcd45..7cfa9caf47d4 100644 --- a/arch/arm/boot/dts/gemini-sq201.dts +++ b/arch/arm/boot/dts/gemini-sq201.dts @@ -33,6 +33,7 @@ wakeup-source; linux,code = <KEY_SETUP>; label = "factory reset"; + /* Conflict with NAND flash */ gpios = <&gpio0 18 GPIO_ACTIVE_LOW>; }; }; @@ -41,12 +42,14 @@ compatible = "gpio-leds"; led@20 { label = "sq201:green:info"; + /* Conflict with parallel flash */ gpios = <&gpio0 20 GPIO_ACTIVE_HIGH>; default-state = "on"; linux,default-trigger = "heartbeat"; }; led@31 { label = "sq201:green:usb"; + /* Conflict with parallel and NAND flash */ gpios = <&gpio0 31 GPIO_ACTIVE_HIGH>; default-state = "off"; linux,default-trigger = "usb-host"; @@ -55,7 +58,15 @@ soc { flash@30000000 { - status = "okay"; + /* + * Flash access can be enabled, with the side effect + * of disabling access to GPIO LED on GPIO0[20] which + * reuse one of the parallel flash chip select lines. + * Also the default firmware on the machine has the + * problem that since it uses the flash, the two LEDS + * on the right become numb. + */ + /* status = "okay"; */ /* 16MB of flash */ reg = <0x30000000 0x01000000>; @@ -93,12 +104,35 @@ }; }; + syscon: syscon@40000000 { + pinctrl { + /* + * gpio0fgrp cover line 18 used by reset button + * gpio0ggrp cover line 20 used by info LED + * gpio0kgrp cover line 31 used by USB LED + */ + gpio0_default_pins: pinctrl-gpio0 { + mux { + function = "gpio0"; + groups = "gpio0fgrp", + "gpio0ggrp", + "gpio0kgrp"; + }; + }; + }; + }; + sata: sata@46000000 { cortina,gemini-ata-muxmode = <0>; cortina,gemini-enable-sata-bridge; status = "okay"; }; + gpio0: gpio@4d000000 { + pinctrl-names = "default"; + pinctrl-0 = <&gpio0_default_pins>; + }; + pci@50000000 { status = "okay"; interrupt-map-mask = <0xf800 0 0 7>; diff --git a/arch/arm/boot/dts/gemini-wbd111.dts b/arch/arm/boot/dts/gemini-wbd111.dts index 63b756e3bf5a..38a49e750478 100644 --- a/arch/arm/boot/dts/gemini-wbd111.dts +++ b/arch/arm/boot/dts/gemini-wbd111.dts @@ -33,6 +33,7 @@ wakeup-source; linux,code = <KEY_SETUP>; label = "reset"; + /* Conflict with ICE */ gpios = <&gpio0 5 GPIO_ACTIVE_LOW>; }; }; @@ -42,21 +43,25 @@ led@1 { label = "wbd111:red:L3"; + /* Conflict with TVC and extended parallel flash */ gpios = <&gpio0 1 GPIO_ACTIVE_HIGH>; default-state = "off"; }; led@2 { label = "wbd111:green:L4"; + /* Conflict with TVC and extended parallel flash */ gpios = <&gpio0 2 GPIO_ACTIVE_HIGH>; default-state = "off"; }; led@3 { label = "wbd111:red:L4"; + /* Conflict with TVC and extended parallel flash */ gpios = <&gpio0 3 GPIO_ACTIVE_HIGH>; default-state = "off"; }; led@5 { label = "wbd111:green:L3"; + /* Conflict with TVC and extended parallel flash */ gpios = <&gpio0 5 GPIO_ACTIVE_HIGH>; default-state = "on"; linux,default-trigger = "heartbeat"; @@ -98,5 +103,26 @@ read-only; }; }; + + syscon: syscon@40000000 { + pinctrl { + /* + * gpio0agrp cover line 0-4 + * gpio0bgrp cover line 5 + */ + gpio0_default_pins: pinctrl-gpio0 { + mux { + function = "gpio0"; + groups = "gpio0agrp", + "gpio0bgrp"; + }; + }; + }; + }; + + gpio0: gpio@4d000000 { + pinctrl-names = "default"; + pinctrl-0 = <&gpio0_default_pins>; + }; }; }; diff --git a/arch/arm/boot/dts/gemini-wbd222.dts b/arch/arm/boot/dts/gemini-wbd222.dts index 9747f5a47807..f77e34e0df0b 100644 --- a/arch/arm/boot/dts/gemini-wbd222.dts +++ b/arch/arm/boot/dts/gemini-wbd222.dts @@ -33,6 +33,7 @@ wakeup-source; linux,code = <KEY_SETUP>; label = "reset"; + /* Conflict with ICE */ gpios = <&gpio0 5 GPIO_ACTIVE_LOW>; }; }; @@ -42,21 +43,25 @@ led@1 { label = "wbd111:red:L3"; + /* Conflict with TVC and extended parallel flash */ gpios = <&gpio0 1 GPIO_ACTIVE_HIGH>; default-state = "off"; }; led@2 { label = "wbd111:green:L4"; + /* Conflict with TVC and extended parallel flash */ gpios = <&gpio0 2 GPIO_ACTIVE_HIGH>; default-state = "off"; }; led@3 { label = "wbd111:red:L4"; + /* Conflict with TVC and extended parallel flash */ gpios = <&gpio0 3 GPIO_ACTIVE_HIGH>; default-state = "off"; }; led@5 { label = "wbd111:green:L3"; + /* Conflict with TVC and extended parallel flash */ gpios = <&gpio0 5 GPIO_ACTIVE_HIGH>; default-state = "on"; linux,default-trigger = "heartbeat"; @@ -98,5 +103,26 @@ read-only; }; }; + + syscon: syscon@40000000 { + pinctrl { + /* + * gpio0agrp cover line 0-4 + * gpio0bgrp cover line 5 + */ + gpio0_default_pins: pinctrl-gpio0 { + mux { + function = "gpio0"; + groups = "gpio0agrp", + "gpio0bgrp"; + }; + }; + }; + }; + + gpio0: gpio@4d000000 { + pinctrl-names = "default"; + pinctrl-0 = <&gpio0_default_pins>; + }; }; }; diff --git a/arch/arm/boot/dts/gemini.dtsi b/arch/arm/boot/dts/gemini.dtsi index 49cce9e9d51f..c68e8d430234 100644 --- a/arch/arm/boot/dts/gemini.dtsi +++ b/arch/arm/boot/dts/gemini.dtsi @@ -20,6 +20,8 @@ flash@30000000 { compatible = "cortina,gemini-flash", "cfi-flash"; syscon = <&syscon>; + pinctrl-names = "default"; + pinctrl-0 = <&pflash_default_pins>; bank-width = <2>; #address-cells = <1>; #size-cells = <1>; @@ -41,6 +43,105 @@ /* RESET_GLOBAL | RESET_CPU1 */ mask = <0xC0000000>; }; + + pinctrl { + compatible = "cortina,gemini-pinctrl"; + regmap = <&syscon>; + /* Hog the DRAM pins */ + pinctrl-names = "default"; + pinctrl-0 = <&dram_default_pins>, <&system_default_pins>, + <&vcontrol_default_pins>; + + dram_default_pins: pinctrl-dram { + mux { + function = "dram"; + groups = "dramgrp"; + }; + }; + rtc_default_pins: pinctrl-rtc { + mux { + function = "rtc"; + groups = "rtcgrp"; + }; + }; + power_default_pins: pinctrl-power { + mux { + function = "power"; + groups = "powergrp"; + }; + }; + cir_default_pins: pinctrl-cir { + mux { + function = "cir"; + groups = "cirgrp"; + }; + }; + system_default_pins: pinctrl-system { + mux { + function = "system"; + groups = "systemgrp"; + }; + }; + vcontrol_default_pins: pinctrl-vcontrol { + mux { + function = "vcontrol"; + groups = "vcontrolgrp"; + }; + }; + ice_default_pins: pinctrl-ice { + mux { + function = "ice"; + groups = "icegrp"; + }; + }; + uart_default_pins: pinctrl-uart { + mux { + function = "uart"; + groups = "uartrxtxgrp"; + }; + }; + pflash_default_pins: pinctrl-pflash { + mux { + function = "pflash"; + groups = "pflashgrp"; + }; + }; + usb_default_pins: pinctrl-usb { + mux { + function = "usb"; + groups = "usbgrp"; + }; + }; + gmii_default_pins: pinctrl-gmii { + mux { + function = "gmii"; + groups = "gmiigrp"; + }; + }; + pci_default_pins: pinctrl-pci { + mux { + function = "pci"; + groups = "pcigrp"; + }; + }; + sata_default_pins: pinctrl-sata { + mux { + function = "sata"; + groups = "satagrp"; + }; + }; + /* Activate both groups of pins for this state */ + sata_and_ide_pins: pinctrl-sata-ide { + mux0 { + function = "sata"; + groups = "satagrp"; + }; + mux1 { + function = "ide"; + groups = "idegrp"; + }; + }; + }; }; watchdog@41000000 { @@ -57,6 +158,8 @@ resets = <&syscon GEMINI_RESET_UART>; clocks = <&syscon GEMINI_CLK_UART>; interrupts = <18 IRQ_TYPE_LEVEL_HIGH>; + pinctrl-names = "default"; + pinctrl-0 = <&uart_default_pins>; reg-shift = <2>; }; @@ -81,6 +184,8 @@ resets = <&syscon GEMINI_RESET_RTC>; clocks = <&syscon GEMINI_CLK_APB>, <&syscon GEMINI_CLK_RTC>; clock-names = "PCLK", "EXTCLK"; + pinctrl-names = "default"; + pinctrl-0 = <&rtc_default_pins>; }; sata: sata@46000000 { @@ -92,6 +197,14 @@ clocks = <&syscon GEMINI_CLK_GATE_SATA0>, <&syscon GEMINI_CLK_GATE_SATA1>; clock-names = "SATA0_PCLK", "SATA1_PCLK"; + /* + * This defines the special "ide" state that needs + * to be explicitly enabled to enable the IDE pins, + * as these pins are normally used for other things. + */ + pinctrl-names = "default", "ide"; + pinctrl-0 = <&sata_default_pins>; + pinctrl-1 = <&sata_and_ide_pins>; syscon = <&syscon>; status = "disabled"; }; @@ -108,6 +221,8 @@ compatible = "cortina,gemini-power-controller"; reg = <0x4b000000 0x100>; interrupts = <26 IRQ_TYPE_EDGE_RISING>; + pinctrl-names = "default"; + pinctrl-0 = <&power_default_pins>; }; gpio0: gpio@4d000000 { @@ -156,6 +271,8 @@ resets = <&syscon GEMINI_RESET_PCI>; clocks = <&syscon GEMINI_CLK_GATE_PCI>, <&syscon GEMINI_CLK_PCI>; clock-names = "PCLK", "PCICLK"; + pinctrl-names = "default"; + pinctrl-0 = <&pci_default_pins>; #address-cells = <3>; #size-cells = <2>; #interrupt-cells = <1>;
This adds the basic pin control muliplexing settings for the Gemini SoC: parallel (NOR) flash, SATA, optional IDE, PCI and UART. We also select the right GPIO groups on all applicable systems so that GPIO keys/LEDs work smoothly. We can then build upon this for more complex systems. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> --- arch/arm/boot/dts/gemini-dlink-dir-685.dts | 55 ++++++++++++++ arch/arm/boot/dts/gemini-nas4220b.dts | 24 ++++++ arch/arm/boot/dts/gemini-rut1xx.dts | 39 ++++++++++ arch/arm/boot/dts/gemini-sq201.dts | 36 ++++++++- arch/arm/boot/dts/gemini-wbd111.dts | 26 +++++++ arch/arm/boot/dts/gemini-wbd222.dts | 26 +++++++ arch/arm/boot/dts/gemini.dtsi | 117 +++++++++++++++++++++++++++++ 7 files changed, 322 insertions(+), 1 deletion(-) -- 2.9.4 -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html