From f328c2eac5d729a3654d2cef469b9e4acc338c4e Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Wed, 5 Jul 2017 16:59:33 +0200 Subject: [PATCH] ARM: dts: gemini: add pin control set-up for the SoC 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. Acked-by: Hans Ulli Kroll Signed-off-by: Linus Walleij --- 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 10ab4d878513..e75e2d44371c 100644 --- a/arch/arm/boot/dts/gemini-dlink-dir-685.dts +++ b/arch/arm/boot/dts/gemini-dlink-dir-685.dts @@ -32,6 +32,7 @@ button-esc { wakeup-source; linux,code = ; label = "reset"; + /* Collides with LPC_LAD[0], UART DCD, SSP 97RST */ gpios = <&gpio0 8 GPIO_ACTIVE_LOW>; }; button-eject { @@ -39,6 +40,7 @@ button-eject { wakeup-source; linux,code = ; label = "unmount"; + /* Collides with LPC LFRAME, UART RTS, SSP TXD */ gpios = <&gpio0 13 GPIO_ACTIVE_LOW>; }; }; @@ -47,6 +49,7 @@ leds { compatible = "gpio-leds"; led-wps { label = "dir685:blue:WPS"; + /* Collides with ICE */ gpios = <&gpio0 7 GPIO_ACTIVE_LOW>; default-state = "on"; linux,default-trigger = "heartbeat"; @@ -61,11 +64,13 @@ led-wps { */ led-blue-hd { label = "dir685:blue:HD"; + /* Collides with LPC_SERIRQ, UART DTR, SSP FSC pins */ gpios = <&gpio0 11 GPIO_ACTIVE_HIGH>; default-state = "off"; }; led-orange-hd { label = "dir685:orange:HD"; + /* Collides with LPC_LAD[2], UART DSR, SSP ECLK pins */ gpios = <&gpio0 12 GPIO_ACTIVE_HIGH>; default-state = "off"; }; @@ -81,6 +86,7 @@ led-orange-hd { */ 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>; @@ -92,6 +98,7 @@ gpio-fan { */ gpio-i2c { compatible = "i2c-gpio"; + /* Collides with ICE */ gpios = <&gpio0 5 0>, /* SDA */ <&gpio0 6 0>; /* SCL */ #address-cells = <1>; @@ -101,6 +108,7 @@ touchkeys@26 { compatible = "dlink,dir685-touchkeys"; reg = <0x26>; interrupt-parent = <&gpio0>; + /* Collides with NAND flash */ interrupts = <17 IRQ_TYPE_EDGE_FALLING>; }; }; @@ -156,12 +164,59 @@ partition@1fe0000 { }; }; + 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 @@ button@29 { wakeup-source; linux,code = ; label = "Backup button"; + /* Conflict with TVC */ gpios = <&gpio1 29 GPIO_ACTIVE_LOW>; }; button@31 { @@ -40,6 +41,7 @@ button@31 { wakeup-source; linux,code = ; label = "Softreset button"; + /* Conflict with TVC */ gpios = <&gpio1 31 GPIO_ACTIVE_LOW>; }; }; @@ -48,11 +50,13 @@ leds { 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 @@ partition@fe0000 { }; }; + 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 @@ button@28 { wakeup-source; linux,code = ; label = "Reset to defaults"; + /* Conflict with TVC */ gpios = <&gpio1 28 GPIO_ACTIVE_LOW>; }; }; @@ -42,12 +43,14 @@ leds { 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 @@ flash@30000000 { 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 @@ button@18 { wakeup-source; linux,code = ; label = "factory reset"; + /* Conflict with NAND flash */ gpios = <&gpio0 18 GPIO_ACTIVE_LOW>; }; }; @@ -41,12 +42,14 @@ leds { 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 @@ led@31 { 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 @@ partition@fe0000 { }; }; + 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 @@ button@5 { wakeup-source; linux,code = ; label = "reset"; + /* Conflict with ICE */ gpios = <&gpio0 5 GPIO_ACTIVE_LOW>; }; }; @@ -42,21 +43,25 @@ leds { 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 @@ partition@7e0000 { 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 @@ button@5 { wakeup-source; linux,code = ; label = "reset"; + /* Conflict with ICE */ gpios = <&gpio0 5 GPIO_ACTIVE_LOW>; }; }; @@ -42,21 +43,25 @@ leds { 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 @@ partition@7e0000 { 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 @@ soc { 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 @@ syscon-reboot { /* 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 @@ uart0: serial@42000000 { 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 @@ rtc@45000000 { 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 @@ sata: sata@46000000 { 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 @@ power-controller@4b000000 { 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 @@ pci@50000000 { 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>; -- 2.45.2