From 367e592788a2724f2558b8579ccf212cc9434158 Mon Sep 17 00:00:00 2001 From: Manivannan Sadhasivam Date: Tue, 26 Feb 2019 17:20:21 +0530 Subject: arm64: dts: bitmain: Add GPIO support for BM1880 SoC Add GPIO support for Bitmain BM1880 SoC based on Designware APB GPIO controller IP. IP exposes 3 GPIO controllers with a total of 72 pins. Signed-off-by: Manivannan Sadhasivam Reviewed-by: Linus Walleij --- arch/arm64/boot/dts/bitmain/bm1880.dtsi | 54 +++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) (limited to 'arch') diff --git a/arch/arm64/boot/dts/bitmain/bm1880.dtsi b/arch/arm64/boot/dts/bitmain/bm1880.dtsi index 55a4769e0de2..e4da4ec6a5ee 100644 --- a/arch/arm64/boot/dts/bitmain/bm1880.dtsi +++ b/arch/arm64/boot/dts/bitmain/bm1880.dtsi @@ -80,6 +80,60 @@ #interrupt-cells = <3>; }; + gpio0: gpio@50027000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "snps,dw-apb-gpio"; + reg = <0x0 0x50027000 0x0 0x400>; + + porta: gpio-controller@0 { + compatible = "snps,dw-apb-gpio-port"; + gpio-controller; + #gpio-cells = <2>; + snps,nr-gpios = <32>; + reg = <0>; + interrupt-controller; + #interrupt-cells = <2>; + interrupts = ; + }; + }; + + gpio1: gpio@50027400 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "snps,dw-apb-gpio"; + reg = <0x0 0x50027400 0x0 0x400>; + + portb: gpio-controller@0 { + compatible = "snps,dw-apb-gpio-port"; + gpio-controller; + #gpio-cells = <2>; + snps,nr-gpios = <32>; + reg = <0>; + interrupt-controller; + #interrupt-cells = <2>; + interrupts = ; + }; + }; + + gpio2: gpio@50027800 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "snps,dw-apb-gpio"; + reg = <0x0 0x50027800 0x0 0x400>; + + portc: gpio-controller@0 { + compatible = "snps,dw-apb-gpio-port"; + gpio-controller; + #gpio-cells = <2>; + snps,nr-gpios = <8>; + reg = <0>; + interrupt-controller; + #interrupt-cells = <2>; + interrupts = ; + }; + }; + uart0: serial@58018000 { compatible = "snps,dw-apb-uart"; reg = <0x0 0x58018000 0x0 0x2000>; -- cgit v1.2.3 From 9fe408413f501b3262e591f521bf7aff767f6eba Mon Sep 17 00:00:00 2001 From: Manivannan Sadhasivam Date: Tue, 26 Feb 2019 17:20:22 +0530 Subject: arm64: dts: bitmain: Add GPIO Line names for Sophon Edge board Add GPIO line names for Sophon Edge board based on BM1880 SoC from Bitmain. Line names are based on the board schematics as well as the 96Boards Consumer Edition specification v1.0. Signed-off-by: Manivannan Sadhasivam Reviewed-by: Linus Walleij --- arch/arm64/boot/dts/bitmain/bm1880-sophon-edge.dts | 114 +++++++++++++++++++++ 1 file changed, 114 insertions(+) (limited to 'arch') diff --git a/arch/arm64/boot/dts/bitmain/bm1880-sophon-edge.dts b/arch/arm64/boot/dts/bitmain/bm1880-sophon-edge.dts index 6a3255597138..6bdf4c101c61 100644 --- a/arch/arm64/boot/dts/bitmain/bm1880-sophon-edge.dts +++ b/arch/arm64/boot/dts/bitmain/bm1880-sophon-edge.dts @@ -8,6 +8,28 @@ #include "bm1880.dtsi" +/* + * GPIO name legend: proper name = the GPIO line is used as GPIO + * NC = not connected (pin out but not routed from the chip to + * anything the board) + * "[PER]" = pin is muxed for [peripheral] (not GPIO) + * LSEC = Low Speed External Connector + * HSEC = High Speed External Connector + * + * Line names are taken from the schematic "sophon-edge-schematics" + * version, 1.0210. + * + * For the lines routed to the external connectors the + * lines are named after the 96Boards CE Specification 1.0, + * Appendix "Expansion Connector Signal Description". + * + * When the 96Board naming of a line and the schematic name of + * the same line are in conflict, the 96Board specification + * takes precedence. This is only for the informational + * lines i.e. "[FOO]", the GPIO named lines "GPIO-A" thru "GPIO-L" + * are the only ones actually used for GPIO. + */ + / { compatible = "bitmain,sophon-edge", "bitmain,bm1880"; model = "Sophon Edge"; @@ -32,6 +54,98 @@ clock-frequency = <500000000>; #clock-cells = <0>; }; + + soc { + gpio0: gpio@50027000 { + porta: gpio-controller@0 { + gpio-line-names = + "GPIO-A", /* GPIO0, LSEC pin 23 */ + "GPIO-C", /* GPIO1, LSEC pin 25 */ + "[GPIO2_PHY0_RST]", /* GPIO2 */ + "GPIO-E", /* GPIO3, LSEC pin 27 */ + "[USB_DET]", /* GPIO4 */ + "[EN_P5V]", /* GPIO5 */ + "[VDDIO_MS1_SEL]", /* GPIO6 */ + "GPIO-G", /* GPIO7, LSEC pin 29 */ + "[BM_TUSB_RST_L]", /* GPIO8 */ + "[EN_P5V_USBHUB]", /* GPIO9 */ + "NC", + "LED_WIFI", /* GPIO11 */ + "LED_BT", /* GPIO12 */ + "[BM_BLM8221_EN_L]", /* GPIO13 */ + "NC", /* GPIO14 */ + "NC", /* GPIO15 */ + "NC", /* GPIO16 */ + "NC", /* GPIO17 */ + "NC", /* GPIO18 */ + "NC", /* GPIO19 */ + "NC", /* GPIO20 */ + "NC", /* GPIO21 */ + "NC", /* GPIO22 */ + "NC", /* GPIO23 */ + "NC", /* GPIO24 */ + "NC", /* GPIO25 */ + "NC", /* GPIO26 */ + "NC", /* GPIO27 */ + "NC", /* GPIO28 */ + "NC", /* GPIO29 */ + "NC", /* GPIO30 */ + "NC"; /* GPIO31 */ + }; + }; + + gpio1: gpio@50027400 { + portb: gpio-controller@0 { + gpio-line-names = + "NC", /* GPIO32 */ + "NC", /* GPIO33 */ + "[I2C0_SDA]", /* GPIO34, LSEC pin 17 */ + "[I2C0_SCL]", /* GPIO35, LSEC pin 15 */ + "[JTAG0_TDO]", /* GPIO36 */ + "[JTAG0_TCK]", /* GPIO37 */ + "[JTAG0_TDI]", /* GPIO38 */ + "[JTAG0_TMS]", /* GPIO39 */ + "[JTAG0_TRST_X]", /* GPIO40 */ + "[JTAG1_TDO]", /* GPIO41 */ + "[JTAG1_TCK]", /* GPIO42 */ + "[JTAG1_TDI]", /* GPIO43 */ + "[CPU_TX]", /* GPIO44 */ + "[CPU_RX]", /* GPIO45 */ + "[UART1_TXD]", /* GPIO46 */ + "[UART1_RXD]", /* GPIO47 */ + "[UART0_TXD]", /* GPIO48 */ + "[UART0_RXD]", /* GPIO49 */ + "GPIO-I", /* GPIO50, LSEC pin 31 */ + "GPIO-K", /* GPIO51, LSEC pin 33 */ + "USER_LED2", /* GPIO52 */ + "USER_LED1", /* GPIO53 */ + "[UART0_RTS]", /* GPIO54 */ + "[UART0_CTS]", /* GPIO55 */ + "USER_LED4", /* GPIO56, JTAG1_TRST_X */ + "USER_LED3", /* GPIO57, JTAG1_TMS */ + "[I2S0_SCLK]", /* GPIO58 */ + "[I2S0_FS]", /* GPIO59 */ + "[I2S0_SDI]", /* GPIO60 */ + "[I2S0_SDO]", /* GPIO61 */ + "GPIO-B", /* GPIO62, LSEC pin 24 */ + "GPIO-F"; /* GPIO63, I2S1_SCLK, LSEC pin 28 */ + }; + }; + + gpio2: gpio@50027800 { + portc: gpio-controller@0 { + gpio-line-names = + "GPIO-D", /* GPIO64, I2S1_FS, LSEC pin 26 */ + "GPIO-J", /* GPIO65, I2S1_SDI, LSEC pin 32 */ + "GPIO-H", /* GPIO66, I2S1_SDO, LSEC pin 30 */ + "GPIO-L", /* GPIO67, LSEC pin 34 */ + "[SPI0_CS]", /* GPIO68, SPI1_CS, LSEC pin 12 */ + "[SPI0_DIN]", /* GPIO69, SPI1_SDI, LSEC pin 10 */ + "[SPI0_DOUT]", /* GPIO70, SPI1_SDO, LSEC pin 14 */ + "[SPI0_SCLK]"; /* GPIO71, SPI1_SCK, LSEC pin 8 */ + }; + }; + }; }; &uart0 { -- cgit v1.2.3 From c1294fb5cb7804fb5c469c7b528a7d0fff2027c2 Mon Sep 17 00:00:00 2001 From: Manivannan Sadhasivam Date: Wed, 24 Apr 2019 17:32:21 +0530 Subject: arm64: dts: bitmain: Add pinctrl support for BM1880 SoC Add pinctrl support for Bitmain BM1880 SoC. This SoC only supports pinmuxing and the pinctrl registers are part of the sctrl block. Signed-off-by: Manivannan Sadhasivam Acked-by: Linus Walleij --- arch/arm64/boot/dts/bitmain/bm1880.dtsi | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'arch') diff --git a/arch/arm64/boot/dts/bitmain/bm1880.dtsi b/arch/arm64/boot/dts/bitmain/bm1880.dtsi index e4da4ec6a5ee..7726fd4c6be6 100644 --- a/arch/arm64/boot/dts/bitmain/bm1880.dtsi +++ b/arch/arm64/boot/dts/bitmain/bm1880.dtsi @@ -80,6 +80,20 @@ #interrupt-cells = <3>; }; + sctrl: system-controller@50010000 { + compatible = "bitmain,bm1880-sctrl", "syscon", + "simple-mfd"; + reg = <0x0 0x50010000 0x0 0x1000>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0x0 0x50010000 0x1000>; + + pinctrl: pinctrl@50 { + compatible = "bitmain,bm1880-pinctrl"; + reg = <0x50 0x4B0>; + }; + }; + gpio0: gpio@50027000 { #address-cells = <1>; #size-cells = <0>; -- cgit v1.2.3 From 470fa42933dae396860a3409abee9e6c860382a2 Mon Sep 17 00:00:00 2001 From: Manivannan Sadhasivam Date: Wed, 24 Apr 2019 17:32:22 +0530 Subject: arm64: dts: bitmain: Add UART pinctrl support for Sophon Edge Add pinctrl support for UARTs exposed on the Sophon Edge board. Signed-off-by: Manivannan Sadhasivam Acked-by: Linus Walleij --- arch/arm64/boot/dts/bitmain/bm1880-sophon-edge.dts | 29 ++++++++++++++++++++++ 1 file changed, 29 insertions(+) (limited to 'arch') diff --git a/arch/arm64/boot/dts/bitmain/bm1880-sophon-edge.dts b/arch/arm64/boot/dts/bitmain/bm1880-sophon-edge.dts index 6bdf4c101c61..3e8c70778e24 100644 --- a/arch/arm64/boot/dts/bitmain/bm1880-sophon-edge.dts +++ b/arch/arm64/boot/dts/bitmain/bm1880-sophon-edge.dts @@ -148,17 +148,46 @@ }; }; +&pinctrl { + pinctrl_uart0_default: pinctrl-uart0-default { + pinmux { + groups = "uart0_grp"; + function = "uart0"; + }; + }; + + pinctrl_uart1_default: pinctrl-uart1-default { + pinmux { + groups = "uart1_grp"; + function = "uart1"; + }; + }; + + pinctrl_uart2_default: pinctrl-uart2-default { + pinmux { + groups = "uart2_grp"; + function = "uart2"; + }; + }; +}; + &uart0 { status = "okay"; clocks = <&uart_clk>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_uart0_default>; }; &uart1 { status = "okay"; clocks = <&uart_clk>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_uart1_default>; }; &uart2 { status = "okay"; clocks = <&uart_clk>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_uart2_default>; }; -- cgit v1.2.3