![Uri Mashiach](/assets/img/avatar_default.png)
bluetooth HW is WLS1271 chip connected to UART1. Device tree modifications: - Pinmux for UART1. - Pinmux for bluetooth enable GPIO. Bluetooth enable GPIO is set to enable during startup by setting the relevant pinmux pin to pull-up. Signed-off-by: Uri Mashiach <uri.mashiach@compulab.co.il> Acked-by: Igor Grinberg <grinberg@compulab.co.il> Signed-off-by: Tony Lindgren <tony@atomide.com>
397 lines
9.7 KiB
Plaintext
397 lines
9.7 KiB
Plaintext
/*
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* am335x-cm-t335.dts - Device Tree file for Compulab CM-T335
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*
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* Copyright (C) 2014 - 2015 CompuLab Ltd. - http://www.compulab.co.il/
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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/dts-v1/;
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#include "am33xx.dtsi"
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/ {
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model = "CompuLab CM-T335";
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compatible = "compulab,cm-t335", "ti,am33xx";
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memory {
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device_type = "memory";
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reg = <0x80000000 0x8000000>; /* 128 MB */
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};
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leds {
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compatible = "gpio-leds";
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pinctrl-names = "default";
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pinctrl-0 = <&gpio_led_pins>;
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led@0 {
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label = "cm_t335:green";
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gpios = <&gpio2 0 GPIO_ACTIVE_LOW>; /* gpio2_0 */
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linux,default-trigger = "heartbeat";
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};
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};
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/* regulator for mmc */
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vmmc_fixed: fixedregulator@0 {
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compatible = "regulator-fixed";
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regulator-name = "vmmc_fixed";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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};
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backlight {
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compatible = "pwm-backlight";
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pwms = <&ecap0 0 50000 0>;
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brightness-levels = <0 51 53 56 62 75 101 152 255>;
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default-brightness-level = <8>;
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};
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};
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&am33xx_pinmux {
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pinctrl-names = "default";
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pinctrl-0 = <&bluetooth_pins>;
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i2c0_pins: pinmux_i2c0_pins {
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pinctrl-single,pins = <
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/* i2c0_sda.i2c0_sda */
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AM33XX_IOPAD(0x988, PIN_INPUT_PULLUP | MUX_MODE0)
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/* i2c0_scl.i2c0_scl */
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AM33XX_IOPAD(0x98c, PIN_INPUT_PULLUP | MUX_MODE0)
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>;
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};
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i2c1_pins: pinmux_i2c1_pins {
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pinctrl-single,pins = <
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/* uart0_ctsn.i2c1_sda */
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AM33XX_IOPAD(0x968, PIN_INPUT_PULLUP | MUX_MODE2)
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/* uart0_rtsn.i2c1_scl */
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AM33XX_IOPAD(0x96c, PIN_INPUT_PULLUP | MUX_MODE2)
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>;
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};
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gpio_led_pins: pinmux_gpio_led_pins {
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pinctrl-single,pins = <
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/* gpmc_csn3.gpio2_0 */
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AM33XX_IOPAD(0x888, PIN_OUTPUT | MUX_MODE7)
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>;
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};
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nandflash_pins: pinmux_nandflash_pins {
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pinctrl-single,pins = <
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/* gpmc_ad0.gpmc_ad0 */
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AM33XX_IOPAD(0x800, PIN_INPUT_PULLUP | MUX_MODE0)
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/* gpmc_ad1.gpmc_ad1 */
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AM33XX_IOPAD(0x804, PIN_INPUT_PULLUP | MUX_MODE0)
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/* gpmc_ad2.gpmc_ad2 */
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AM33XX_IOPAD(0x808, PIN_INPUT_PULLUP | MUX_MODE0)
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/* gpmc_ad3.gpmc_ad3 */
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AM33XX_IOPAD(0x80c, PIN_INPUT_PULLUP | MUX_MODE0)
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/* gpmc_ad4.gpmc_ad4 */
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AM33XX_IOPAD(0x810, PIN_INPUT_PULLUP | MUX_MODE0)
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/* gpmc_ad5.gpmc_ad5 */
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AM33XX_IOPAD(0x814, PIN_INPUT_PULLUP | MUX_MODE0)
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/* gpmc_ad6.gpmc_ad6 */
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AM33XX_IOPAD(0x818, PIN_INPUT_PULLUP | MUX_MODE0)
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/* gpmc_ad7.gpmc_ad7 */
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AM33XX_IOPAD(0x81c, PIN_INPUT_PULLUP | MUX_MODE0)
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/* gpmc_wait0.gpmc_wait0 */
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AM33XX_IOPAD(0x870, PIN_INPUT_PULLUP | MUX_MODE0)
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/* gpmc_wpn.gpio0_30 */
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AM33XX_IOPAD(0x874, PIN_INPUT_PULLUP | MUX_MODE7)
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/* gpmc_csn0.gpmc_csn0 */
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AM33XX_IOPAD(0x87c, PIN_OUTPUT | MUX_MODE0)
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/* gpmc_advn_ale.gpmc_advn_ale */
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AM33XX_IOPAD(0x890, PIN_OUTPUT | MUX_MODE0)
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/* gpmc_oen_ren.gpmc_oen_ren */
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AM33XX_IOPAD(0x894, PIN_OUTPUT | MUX_MODE0)
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/* gpmc_wen.gpmc_wen */
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AM33XX_IOPAD(0x898, PIN_OUTPUT | MUX_MODE0)
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/* gpmc_ben0_cle.gpmc_ben0_cle */
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AM33XX_IOPAD(0x89c, PIN_OUTPUT | MUX_MODE0)
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>;
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};
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uart0_pins: pinmux_uart0_pins {
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pinctrl-single,pins = <
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/* uart0_rxd.uart0_rxd */
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AM33XX_IOPAD(0x970, PIN_INPUT_PULLUP | MUX_MODE0)
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/* uart0_txd.uart0_txd */
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AM33XX_IOPAD(0x974, PIN_OUTPUT_PULLDOWN | MUX_MODE0)
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>;
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};
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uart1_pins: pinmux_uart1_pins {
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pinctrl-single,pins = <
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/* uart1_ctsn.uart1_ctsn */
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AM33XX_IOPAD(0x978, PIN_INPUT | MUX_MODE0)
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/* uart1_rtsn.uart1_rtsn */
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AM33XX_IOPAD(0x97C, PIN_OUTPUT_PULLDOWN | MUX_MODE0)
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/* uart1_rxd.uart1_rxd */
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AM33XX_IOPAD(0x980, PIN_INPUT_PULLUP | MUX_MODE0)
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/* uart1_txd.uart1_txd */
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AM33XX_IOPAD(0x984, PIN_OUTPUT_PULLDOWN | MUX_MODE0)
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>;
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};
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ecap0_pins: pinmux_ecap0_pins {
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pinctrl-single,pins = <
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/* eCAP0_in_PWM0_out.eCAP0_in_PWM0_out MODE0 */
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AM33XX_IOPAD(0x964, 0x0)
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>;
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};
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cpsw_default: cpsw_default {
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pinctrl-single,pins = <
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/* Slave 1 */
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/* mii1_tx_en.rgmii1_tctl */
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AM33XX_IOPAD(0x914, PIN_OUTPUT_PULLDOWN | MUX_MODE2)
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/* mii1_rxdv.rgmii1_rctl */
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AM33XX_IOPAD(0x918, PIN_INPUT_PULLDOWN | MUX_MODE2)
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/* mii1_txd3.rgmii1_td3 */
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AM33XX_IOPAD(0x91c, PIN_OUTPUT_PULLDOWN | MUX_MODE2)
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/* mii1_txd2.rgmii1_td2 */
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AM33XX_IOPAD(0x920, PIN_OUTPUT_PULLDOWN | MUX_MODE2)
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/* mii1_txd1.rgmii1_td1 */
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AM33XX_IOPAD(0x924, PIN_OUTPUT_PULLDOWN | MUX_MODE2)
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/* mii1_txd0.rgmii1_td0 */
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AM33XX_IOPAD(0x928, PIN_OUTPUT_PULLDOWN | MUX_MODE2)
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/* mii1_txclk.rgmii1_tclk */
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AM33XX_IOPAD(0x92c, PIN_OUTPUT_PULLDOWN | MUX_MODE2)
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/* mii1_rxclk.rgmii1_rclk */
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AM33XX_IOPAD(0x930, PIN_INPUT_PULLDOWN | MUX_MODE2)
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/* mii1_rxd3.rgmii1_rd3 */
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AM33XX_IOPAD(0x934, PIN_INPUT_PULLDOWN | MUX_MODE2)
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/* mii1_rxd2.rgmii1_rd2 */
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AM33XX_IOPAD(0x938, PIN_INPUT_PULLDOWN | MUX_MODE2)
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/* mii1_rxd1.rgmii1_rd1 */
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AM33XX_IOPAD(0x93c, PIN_INPUT_PULLDOWN | MUX_MODE2)
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/* mii1_rxd0.rgmii1_rd0 */
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AM33XX_IOPAD(0x940, PIN_INPUT_PULLDOWN | MUX_MODE2)
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>;
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};
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cpsw_sleep: cpsw_sleep {
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pinctrl-single,pins = <
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/* Slave 1 reset value */
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AM33XX_IOPAD(0x914, PIN_INPUT_PULLDOWN | MUX_MODE7)
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AM33XX_IOPAD(0x918, PIN_INPUT_PULLDOWN | MUX_MODE7)
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AM33XX_IOPAD(0x91c, PIN_INPUT_PULLDOWN | MUX_MODE7)
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AM33XX_IOPAD(0x920, PIN_INPUT_PULLDOWN | MUX_MODE7)
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AM33XX_IOPAD(0x924, PIN_INPUT_PULLDOWN | MUX_MODE7)
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AM33XX_IOPAD(0x928, PIN_INPUT_PULLDOWN | MUX_MODE7)
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AM33XX_IOPAD(0x92c, PIN_INPUT_PULLDOWN | MUX_MODE7)
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AM33XX_IOPAD(0x930, PIN_INPUT_PULLDOWN | MUX_MODE7)
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AM33XX_IOPAD(0x934, PIN_INPUT_PULLDOWN | MUX_MODE7)
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AM33XX_IOPAD(0x938, PIN_INPUT_PULLDOWN | MUX_MODE7)
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AM33XX_IOPAD(0x93c, PIN_INPUT_PULLDOWN | MUX_MODE7)
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AM33XX_IOPAD(0x940, PIN_INPUT_PULLDOWN | MUX_MODE7)
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>;
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};
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davinci_mdio_default: davinci_mdio_default {
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pinctrl-single,pins = <
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/* mdio_data.mdio_data */
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AM33XX_IOPAD(0x948, PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0)
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/* mdio_clk.mdio_clk */
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AM33XX_IOPAD(0x94c, PIN_OUTPUT_PULLUP | MUX_MODE0)
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>;
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};
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davinci_mdio_sleep: davinci_mdio_sleep {
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pinctrl-single,pins = <
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/* MDIO reset value */
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AM33XX_IOPAD(0x948, PIN_INPUT_PULLDOWN | MUX_MODE7)
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AM33XX_IOPAD(0x94c, PIN_INPUT_PULLDOWN | MUX_MODE7)
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>;
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};
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mmc1_pins: pinmux_mmc1_pins {
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pinctrl-single,pins = <
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/* mmc0_dat3.mmc0_dat3 */
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AM33XX_IOPAD(0x8f0, PIN_INPUT_PULLUP | MUX_MODE0)
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/* mmc0_dat2.mmc0_dat2 */
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AM33XX_IOPAD(0x8f4, PIN_INPUT_PULLUP | MUX_MODE0)
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/* mmc0_dat1.mmc0_dat1 */
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AM33XX_IOPAD(0x8f8, PIN_INPUT_PULLUP | MUX_MODE0)
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/* mmc0_dat0.mmc0_dat0 */
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AM33XX_IOPAD(0x8fc, PIN_INPUT_PULLUP | MUX_MODE0)
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/* mmc0_clk.mmc0_clk */
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AM33XX_IOPAD(0x900, PIN_INPUT_PULLUP | MUX_MODE0)
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/* mmc0_cmd.mmc0_cmd */
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AM33XX_IOPAD(0x904, PIN_INPUT_PULLUP | MUX_MODE0)
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>;
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};
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/* wl1271 bluetooth */
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bluetooth_pins: pinmux_bluetooth_pins {
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pinctrl-single,pins = <
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/* XDMA_EVENT_INTR0.gpio0_19 - bluetooth enable */
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AM33XX_IOPAD(0x9b0, PIN_OUTPUT_PULLUP | MUX_MODE7)
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>;
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};
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};
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&uart0 {
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pinctrl-names = "default";
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pinctrl-0 = <&uart0_pins>;
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status = "okay";
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};
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/* WLS1271 bluetooth */
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&uart1 {
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pinctrl-names = "default";
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pinctrl-0 = <&uart1_pins>;
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status = "okay";
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};
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&i2c0 {
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pinctrl-names = "default";
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pinctrl-0 = <&i2c0_pins>;
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status = "okay";
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clock-frequency = <400000>;
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/* CM-T335 board EEPROM */
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eeprom: 24c02@50 {
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compatible = "atmel,24c02";
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reg = <0x50>;
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pagesize = <16>;
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};
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/* Real Time Clock */
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ext_rtc: em3027@56 {
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compatible = "emmicro,em3027";
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reg = <0x56>;
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};
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};
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&usb {
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status = "okay";
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};
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&usb_ctrl_mod {
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status = "okay";
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};
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&usb0_phy {
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status = "okay";
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};
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&usb0 {
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status = "okay";
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};
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&cppi41dma {
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status = "okay";
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};
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&epwmss0 {
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status = "okay";
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ecap0: ecap@48300100 {
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status = "okay";
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pinctrl-names = "default";
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pinctrl-0 = <&ecap0_pins>;
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};
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};
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&gpmc {
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status = "okay";
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pinctrl-names = "default";
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pinctrl-0 = <&nandflash_pins>;
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ranges = <0 0 0x08000000 0x10000000>; /* CS0: NAND */
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nand@0,0 {
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reg = <0 0 0>; /* CS0, offset 0 */
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ti,nand-ecc-opt = "bch8";
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ti,elm-id = <&elm>;
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nand-bus-width = <8>;
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gpmc,device-width = <1>;
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gpmc,sync-clk-ps = <0>;
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gpmc,cs-on-ns = <0>;
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gpmc,cs-rd-off-ns = <44>;
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gpmc,cs-wr-off-ns = <44>;
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gpmc,adv-on-ns = <6>;
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gpmc,adv-rd-off-ns = <34>;
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gpmc,adv-wr-off-ns = <44>;
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gpmc,we-on-ns = <0>;
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gpmc,we-off-ns = <40>;
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gpmc,oe-on-ns = <0>;
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gpmc,oe-off-ns = <54>;
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gpmc,access-ns = <64>;
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gpmc,rd-cycle-ns = <82>;
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gpmc,wr-cycle-ns = <82>;
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gpmc,wait-on-read = "true";
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gpmc,wait-on-write = "true";
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gpmc,bus-turnaround-ns = <0>;
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gpmc,cycle2cycle-delay-ns = <0>;
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gpmc,clk-activation-ns = <0>;
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gpmc,wait-monitoring-ns = <0>;
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gpmc,wr-access-ns = <40>;
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gpmc,wr-data-mux-bus-ns = <0>;
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/* MTD partition table */
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#address-cells = <1>;
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#size-cells = <1>;
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partition@0 {
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label = "spl";
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reg = <0x00000000 0x00200000>;
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};
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partition@1 {
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label = "uboot";
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reg = <0x00200000 0x00100000>;
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};
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partition@2 {
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label = "uboot environment";
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reg = <0x00300000 0x00100000>;
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};
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partition@3 {
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label = "dtb";
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reg = <0x00400000 0x00100000>;
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};
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partition@4 {
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label = "splash";
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reg = <0x00500000 0x00400000>;
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};
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partition@5 {
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label = "linux";
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reg = <0x00900000 0x00600000>;
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};
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partition@6 {
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label = "rootfs";
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reg = <0x00F00000 0>;
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};
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};
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};
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&elm {
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status = "okay";
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};
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&mac {
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pinctrl-names = "default", "sleep";
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pinctrl-0 = <&cpsw_default>;
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pinctrl-1 = <&cpsw_sleep>;
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slaves = <1>;
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status = "okay";
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};
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&davinci_mdio {
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pinctrl-names = "default", "sleep";
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pinctrl-0 = <&davinci_mdio_default>;
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pinctrl-1 = <&davinci_mdio_sleep>;
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status = "okay";
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};
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&cpsw_emac0 {
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phy_id = <&davinci_mdio>, <0>;
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phy-mode = "rgmii-txid";
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};
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&mmc1 {
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status = "okay";
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vmmc-supply = <&vmmc_fixed>;
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bus-width = <4>;
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pinctrl-names = "default";
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pinctrl-0 = <&mmc1_pins>;
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};
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