diff options
| author | Lokesh Vutla <lokeshvutla@ti.com> | 2020-08-05 22:44:28 +0530 |
|---|---|---|
| committer | Lokesh Vutla <lokeshvutla@ti.com> | 2020-08-11 20:34:46 +0530 |
| commit | a7551cf05d6a7d24fac2fa4dcd49be50e4d3174a (patch) | |
| tree | 3860783b108cdebca622ec42c82aea623fde9133 /arch/arm/dts/k3-j7200-common-proc-board.dts | |
| parent | 837933a620c4756cbe8035fb4bb6b25623394238 (diff) | |
| download | u-boot-a7551cf05d6a7d24fac2fa4dcd49be50e4d3174a.tar.gz | |
arm: dts: k3-j7200: Add dts support
Add the basic a72 dts for j7200. Following nodes were supported:
- UART
- MMC SD
- I2C
- TISCI communication
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Signed-off-by: Vishal Mahaveer <vishalm@ti.com>
Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
Diffstat (limited to 'arch/arm/dts/k3-j7200-common-proc-board.dts')
| -rw-r--r-- | arch/arm/dts/k3-j7200-common-proc-board.dts | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/arch/arm/dts/k3-j7200-common-proc-board.dts b/arch/arm/dts/k3-j7200-common-proc-board.dts new file mode 100644 index 0000000000..537ef2a79d --- /dev/null +++ b/arch/arm/dts/k3-j7200-common-proc-board.dts @@ -0,0 +1,123 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2020 Texas Instruments Incorporated - https://www.ti.com/ + */ + +/dts-v1/; + +#include "k3-j7200-som-p0.dtsi" + +/ { + chosen { + stdout-path = "serial2:115200n8"; + bootargs = "console=ttyS2,115200n8 earlycon=ns16550a,mmio32,0x02800000"; + }; +}; + +&wkup_pmx0 { + wkup_i2c0_pins_default: wkup-i2c0-pins-default { + pinctrl-single,pins = < + J721E_WKUP_IOPAD(0x100, PIN_INPUT_PULLUP, 0) /* (F20) WKUP_I2C0_SCL */ + J721E_WKUP_IOPAD(0x104, PIN_INPUT_PULLUP, 0) /* (H21) WKUP_I2C0_SDA */ + >; + }; +}; + +&main_pmx0 { + main_i2c0_pins_default: main-i2c0-pins-default { + pinctrl-single,pins = < + J721E_IOPAD(0xd4, PIN_INPUT_PULLUP, 0) /* (V3) I2C0_SCL */ + J721E_IOPAD(0xd8, PIN_INPUT_PULLUP, 0) /* (W2) I2C0_SDA */ + >; + }; +}; + +&wkup_uart0 { + /* Wakeup UART is used by System firmware */ + status = "disabled"; +}; + +&main_uart0 { + power-domains = <&k3_pds 146 TI_SCI_PD_SHARED>; +}; + +&main_uart2 { + /* MAIN UART 2 is used by R5F firmware */ + status = "disabled"; +}; + +&main_uart3 { + /* UART not brought out */ + status = "disabled"; +}; + +&main_uart4 { + /* UART not brought out */ + status = "disabled"; +}; + +&main_uart5 { + /* UART not brought out */ + status = "disabled"; +}; + +&main_uart6 { + /* UART not brought out */ + status = "disabled"; +}; + +&main_uart7 { + /* UART not brought out */ + status = "disabled"; +}; + +&main_uart8 { + /* UART not brought out */ + status = "disabled"; +}; + +&main_uart9 { + /* UART not brought out */ + status = "disabled"; +}; + +&wkup_i2c0 { + pinctrl-names = "default"; + pinctrl-0 = <&wkup_i2c0_pins_default>; + clock-frequency = <400000>; +}; + +&main_sdhci0 { + /* eMMC */ + non-removable; + ti,driver-strength-ohm = <50>; + disable-wp; +}; + +&main_sdhci1 { + /* SD card */ + ti,driver-strength-ohm = <50>; + disable-wp; + no-1-8-v; + sdhci-caps-mask = <0x8000000F 0x0>; +}; + +&main_i2c0 { + pinctrl-names = "default"; + pinctrl-0 = <&main_i2c0_pins_default>; + clock-frequency = <400000>; + + exp1: gpio@20 { + compatible = "ti,tca6416"; + reg = <0x20>; + gpio-controller; + #gpio-cells = <2>; + }; + + exp2: gpio@22 { + compatible = "ti,tca6424"; + reg = <0x22>; + gpio-controller; + #gpio-cells = <2>; + }; +}; |