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linux/arch/arm/boot/dts/am335x-baltos-ir5221.dts
Roger Quadros db0f68529a ARM: dts: am335x: Disable wait pin monitoring for NAND 
The NAND Ready/Busy# line is connected to GPMC_WAIT0 pin and
can't be used for wait state insertion for NAND I/O read/write.
So disable read/write wait monitoring as per Reference Manual's
suggestion [1].

[1] AM335x TRM: SPRUH73L: 7.1.3.3.12.2 NAND Device-Ready Pin

Cc: Teresa Remmet <t.remmet@phytec.de>
Cc: Ilya Ledvich <ilya@compulab.co.il>
Cc: Yegor Yefremov <yegorslists@googlemail.com>
Cc: Rostislav Lisovy <lisovy@gmail.com>
Cc: Enric Balletbo i Serra <eballetbo@iseebcn.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2016-02-26 10:32:14 -08:00

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/*
* Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/*
* VScom OnRISC
* http://www.vscom.de
*/
/dts-v1/;
#include "am33xx.dtsi"
#include <dt-bindings/pwm/pwm.h>
#include <dt-bindings/interrupt-controller/irq.h>
/ {
model = "OnRISC Baltos iR 5221";
compatible = "vscom,onrisc", "ti,am33xx";
cpus {
cpu@0 {
cpu0-supply = <&vdd1_reg>;
};
};
memory {
device_type = "memory";
reg = <0x80000000 0x10000000>; /* 256 MB */
};
vbat: fixedregulator@0 {
compatible = "regulator-fixed";
regulator-name = "vbat";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
regulator-boot-on;
};
wl12xx_vmmc: fixedregulator@2 {
pinctrl-names = "default";
pinctrl-0 = <&wl12xx_gpio>;
compatible = "regulator-fixed";
regulator-name = "vwl1271";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
gpio = <&gpio3 8 0>;
startup-delay-us = <70000>;
enable-active-high;
};
};
&am33xx_pinmux {
mmc2_pins: pinmux_mmc2_pins {
pinctrl-single,pins = <
AM33XX_IOPAD(0x820, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_ad8.mmc1_dat0_mux0 */
AM33XX_IOPAD(0x824, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_ad9.mmc1_dat1_mux0 */
AM33XX_IOPAD(0x828, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_ad10.mmc1_dat2_mux0 */
AM33XX_IOPAD(0x82c, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_ad11.mmc1_dat3_mux0 */
AM33XX_IOPAD(0x880, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_csn1.mmc1_clk_mux0 */
AM33XX_IOPAD(0x884, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_csn2.mmc1_cmd_mux0 */
AM33XX_IOPAD(0x9e4, PIN_INPUT_PULLUP | MUX_MODE7) /* emu0.gpio3[7] */
>;
};
wl12xx_gpio: pinmux_wl12xx_gpio {
pinctrl-single,pins = <
AM33XX_IOPAD(0x9e8, PIN_OUTPUT_PULLUP | MUX_MODE7) /* emu1.gpio3[8] */
>;
};
tps65910_pins: pinmux_tps65910_pins {
pinctrl-single,pins = <
AM33XX_IOPAD(0x878, PIN_INPUT_PULLUP | MUX_MODE7) /* gpmc_ben1.gpio1[28] */
>;
};
tca6416_pins: pinmux_tca6416_pins {
pinctrl-single,pins = <
AM33XX_IOPAD(0x9b4, PIN_INPUT_PULLUP | MUX_MODE7) /* xdma_event_intr1.gpio0[20] tca6416 stuff */
>;
};
i2c1_pins: pinmux_i2c1_pins {
pinctrl-single,pins = <
AM33XX_IOPAD(0x958, PIN_INPUT | MUX_MODE2) /* spi0_d1.i2c1_sda_mux3 */
AM33XX_IOPAD(0x95c, PIN_INPUT | MUX_MODE2) /* spi0_cs0.i2c1_scl_mux3 */
>;
};
dcan1_pins: pinmux_dcan1_pins {
pinctrl-single,pins = <
AM33XX_IOPAD(0x968, PIN_OUTPUT | MUX_MODE2) /* uart0_ctsn.dcan1_tx_mux0 */
AM33XX_IOPAD(0x96c, PIN_INPUT | MUX_MODE2) /* uart0_rtsn.dcan1_rx_mux0 */
>;
};
uart0_pins: pinmux_uart0_pins {
pinctrl-single,pins = <
AM33XX_IOPAD(0x970, PIN_INPUT_PULLUP | MUX_MODE0) /* uart0_rxd.uart0_rxd */
AM33XX_IOPAD(0x974, PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* uart0_txd.uart0_txd */
>;
};
uart1_pins: pinmux_uart1_pins {
pinctrl-single,pins = <
AM33XX_IOPAD(0x980, PIN_INPUT | MUX_MODE0) /* uart1_rxd */
AM33XX_IOPAD(0x984, PIN_INPUT | MUX_MODE0) /* uart1_txd */
AM33XX_IOPAD(0x978, PIN_INPUT_PULLDOWN | MUX_MODE7) /* uart1_ctsn, INPUT | MODE0 */
AM33XX_IOPAD(0x97c, PIN_OUTPUT_PULLDOWN | MUX_MODE7) /* uart1_rtsn, OUTPUT | MODE0 */
AM33XX_IOPAD(0x8e0, PIN_OUTPUT_PULLDOWN | MUX_MODE7) /* lcd_vsync.gpio2[22] DTR */
AM33XX_IOPAD(0x8e4, PIN_INPUT_PULLDOWN | MUX_MODE7) /* lcd_hsync.gpio2[23] DSR */
AM33XX_IOPAD(0x8e8, PIN_INPUT_PULLDOWN | MUX_MODE7) /* lcd_pclk.gpio2[24] DCD */
AM33XX_IOPAD(0x8ec, PIN_INPUT_PULLDOWN | MUX_MODE7) /* lcd_ac_bias_en.gpio2[25] RI */
>;
};
uart2_pins: pinmux_uart2_pins {
pinctrl-single,pins = <
AM33XX_IOPAD(0x950, PIN_INPUT | MUX_MODE1) /* spi0_sclk.uart2_rxd_mux3 */
AM33XX_IOPAD(0x954, PIN_OUTPUT | MUX_MODE1) /* spi0_d0.uart2_txd_mux3 */
AM33XX_IOPAD(0x988, PIN_INPUT_PULLDOWN | MUX_MODE7) /* i2c0_sda.uart2_ctsn_mux0 */
AM33XX_IOPAD(0x98c, PIN_OUTPUT_PULLDOWN | MUX_MODE7) /* i2c0_scl.uart2_rtsn_mux0 */
AM33XX_IOPAD(0x830, PIN_OUTPUT_PULLDOWN | MUX_MODE7) /* gpmc_ad12.gpio1[12] DTR */
AM33XX_IOPAD(0x834, PIN_INPUT_PULLDOWN | MUX_MODE7) /* gpmc_ad13.gpio1[13] DSR */
AM33XX_IOPAD(0x838, PIN_INPUT_PULLDOWN | MUX_MODE7) /* gpmc_ad14.gpio1[14] DCD */
AM33XX_IOPAD(0x83c, PIN_INPUT_PULLDOWN | MUX_MODE7) /* gpmc_ad15.gpio1[15] RI */
AM33XX_IOPAD(0x9a0, PIN_INPUT_PULLUP | MUX_MODE7) /* mcasp0_aclkr.gpio3[18], INPUT_PULLDOWN | MODE7 */
>;
};
cpsw_default: cpsw_default {
pinctrl-single,pins = <
/* Slave 1 */
AM33XX_IOPAD(0x90c, PIN_INPUT_PULLDOWN | MUX_MODE1) /* mii1_crs.rmii1_crs_dv */
AM33XX_IOPAD(0x914, PIN_OUTPUT_PULLDOWN | MUX_MODE1) /* mii1_tx_en.rmii1_txen */
AM33XX_IOPAD(0x924, PIN_OUTPUT_PULLDOWN | MUX_MODE1) /* mii1_txd1.rmii1_txd1 */
AM33XX_IOPAD(0x928, PIN_OUTPUT_PULLDOWN | MUX_MODE1) /* mii1_txd0.rmii1_txd0 */
AM33XX_IOPAD(0x93c, PIN_INPUT_PULLDOWN | MUX_MODE1) /* mii1_rxd1.rmii1_rxd1 */
AM33XX_IOPAD(0x940, PIN_INPUT_PULLDOWN | MUX_MODE1) /* mii1_rxd0.rmii1_rxd0 */
AM33XX_IOPAD(0x944, PIN_INPUT_PULLDOWN | MUX_MODE0) /* rmii1_ref_clk.rmii1_refclk */
/* Slave 2 */
AM33XX_IOPAD(0x840, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* gpmc_a0.rgmii2_tctl */
AM33XX_IOPAD(0x844, PIN_INPUT_PULLDOWN | MUX_MODE2) /* gpmc_a1.rgmii2_rctl */
AM33XX_IOPAD(0x848, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* gpmc_a2.rgmii2_td3 */
AM33XX_IOPAD(0x84c, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* gpmc_a3.rgmii2_td2 */
AM33XX_IOPAD(0x850, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* gpmc_a4.rgmii2_td1 */
AM33XX_IOPAD(0x854, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* gpmc_a5.rgmii2_td0 */
AM33XX_IOPAD(0x858, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* gpmc_a6.rgmii2_tclk */
AM33XX_IOPAD(0x85c, PIN_INPUT_PULLDOWN | MUX_MODE2) /* gpmc_a7.rgmii2_rclk */
AM33XX_IOPAD(0x860, PIN_INPUT_PULLDOWN | MUX_MODE2) /* gpmc_a8.rgmii2_rd3 */
AM33XX_IOPAD(0x864, PIN_INPUT_PULLDOWN | MUX_MODE2) /* gpmc_a9.rgmii2_rd2 */
AM33XX_IOPAD(0x868, PIN_INPUT_PULLDOWN | MUX_MODE2) /* gpmc_a10.rgmii2_rd1 */
AM33XX_IOPAD(0x86c, PIN_INPUT_PULLDOWN | MUX_MODE2) /* gpmc_a11.rgmii2_rd0 */
>;
};
cpsw_sleep: cpsw_sleep {
pinctrl-single,pins = <
/* Slave 1 reset value */
AM33XX_IOPAD(0x90c, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x914, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x924, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x928, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x93c, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x940, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x944, PIN_INPUT_PULLDOWN | MUX_MODE7)
/* Slave 2 reset value*/
AM33XX_IOPAD(0x840, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x844, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x848, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x84c, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x850, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x854, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x858, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x85c, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x860, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x864, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x868, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x86c, PIN_INPUT_PULLDOWN | MUX_MODE7)
>;
};
davinci_mdio_default: davinci_mdio_default {
pinctrl-single,pins = <
/* MDIO */
AM33XX_IOPAD(0x948, PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0) /* mdio_data.mdio_data */
AM33XX_IOPAD(0x94c, PIN_OUTPUT_PULLUP | MUX_MODE0) /* mdio_clk.mdio_clk */
>;
};
davinci_mdio_sleep: davinci_mdio_sleep {
pinctrl-single,pins = <
/* MDIO reset value */
AM33XX_IOPAD(0x948, PIN_INPUT_PULLDOWN | MUX_MODE7)
AM33XX_IOPAD(0x94c, PIN_INPUT_PULLDOWN | MUX_MODE7)
>;
};
nandflash_pins_s0: nandflash_pins_s0 {
pinctrl-single,pins = <
AM33XX_IOPAD(0x800, PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad0.gpmc_ad0 */
AM33XX_IOPAD(0x804, PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad1.gpmc_ad1 */
AM33XX_IOPAD(0x808, PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad2.gpmc_ad2 */
AM33XX_IOPAD(0x80c, PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad3.gpmc_ad3 */
AM33XX_IOPAD(0x810, PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad4.gpmc_ad4 */
AM33XX_IOPAD(0x814, PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad5.gpmc_ad5 */
AM33XX_IOPAD(0x818, PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad6.gpmc_ad6 */
AM33XX_IOPAD(0x81c, PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad7.gpmc_ad7 */
AM33XX_IOPAD(0x870, PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_wait0.gpmc_wait0 */
AM33XX_IOPAD(0x874, PIN_INPUT_PULLUP | MUX_MODE7) /* gpmc_wpn.gpio0_30 */
AM33XX_IOPAD(0x87c, PIN_OUTPUT | MUX_MODE0) /* gpmc_csn0.gpmc_csn0 */
AM33XX_IOPAD(0x890, PIN_OUTPUT | MUX_MODE0) /* gpmc_advn_ale.gpmc_advn_ale */
AM33XX_IOPAD(0x894, PIN_OUTPUT | MUX_MODE0) /* gpmc_oen_ren.gpmc_oen_ren */
AM33XX_IOPAD(0x898, PIN_OUTPUT | MUX_MODE0) /* gpmc_wen.gpmc_wen */
AM33XX_IOPAD(0x89c, PIN_OUTPUT | MUX_MODE0) /* gpmc_be0n_cle.gpmc_be0n_cle */
>;
};
};
&elm {
status = "okay";
};
&gpmc {
pinctrl-names = "default";
pinctrl-0 = <&nandflash_pins_s0>;
ranges = <0 0 0x08000000 0x10000000>; /* CS0: NAND */
status = "okay";
nand@0,0 {
compatible = "ti,omap2-nand";
reg = <0 0 4>; /* CS0, offset 0, IO size 4 */
interrupt-parent = <&gpmc>;
interrupts = <0 IRQ_TYPE_NONE>, /* fifoevent */
<1 IRQ_TYPE_NONE>; /* termcount */
nand-bus-width = <8>;
ti,nand-ecc-opt = "bch8";
ti,nand-xfer-type = "polled";
gpmc,device-nand = "true";
gpmc,device-width = <1>;
gpmc,sync-clk-ps = <0>;
gpmc,cs-on-ns = <0>;
gpmc,cs-rd-off-ns = <44>;
gpmc,cs-wr-off-ns = <44>;
gpmc,adv-on-ns = <6>;
gpmc,adv-rd-off-ns = <34>;
gpmc,adv-wr-off-ns = <44>;
gpmc,we-on-ns = <0>;
gpmc,we-off-ns = <40>;
gpmc,oe-on-ns = <0>;
gpmc,oe-off-ns = <54>;
gpmc,access-ns = <64>;
gpmc,rd-cycle-ns = <82>;
gpmc,wr-cycle-ns = <82>;
gpmc,bus-turnaround-ns = <0>;
gpmc,cycle2cycle-delay-ns = <0>;
gpmc,clk-activation-ns = <0>;
gpmc,wr-access-ns = <40>;
gpmc,wr-data-mux-bus-ns = <0>;
#address-cells = <1>;
#size-cells = <1>;
elm_id = <&elm>;
};
};
&uart0 {
pinctrl-names = "default";
pinctrl-0 = <&uart0_pins>;
status = "okay";
};
&uart1 {
pinctrl-names = "default";
pinctrl-0 = <&uart1_pins>;
dtr-gpios = <&gpio2 22 GPIO_ACTIVE_LOW>;
dsr-gpios = <&gpio2 23 GPIO_ACTIVE_LOW>;
dcd-gpios = <&gpio2 24 GPIO_ACTIVE_LOW>;
rng-gpios = <&gpio2 25 GPIO_ACTIVE_LOW>;
cts-gpios = <&gpio0 12 GPIO_ACTIVE_LOW>;
rts-gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
status = "okay";
};
&uart2 {
pinctrl-names = "default";
pinctrl-0 = <&uart2_pins>;
dtr-gpios = <&gpio1 12 GPIO_ACTIVE_LOW>;
dsr-gpios = <&gpio1 13 GPIO_ACTIVE_LOW>;
dcd-gpios = <&gpio1 14 GPIO_ACTIVE_LOW>;
rng-gpios = <&gpio1 15 GPIO_ACTIVE_LOW>;
cts-gpios = <&gpio3 5 GPIO_ACTIVE_LOW>;
rts-gpios = <&gpio3 6 GPIO_ACTIVE_LOW>;
status = "okay";
};
&i2c1 {
pinctrl-names = "default";
pinctrl-0 = <&i2c1_pins>;
status = "okay";
clock-frequency = <400000>;
tps: tps@2d {
reg = <0x2d>;
gpio-controller;
#gpio-cells = <2>;
interrupt-parent = <&gpio1>;
interrupts = <28 GPIO_ACTIVE_LOW>;
pinctrl-names = "default";
pinctrl-0 = <&tps65910_pins>;
};
at24@50 {
compatible = "at24,24c02";
pagesize = <8>;
reg = <0x50>;
};
tca6416: gpio@20 {
compatible = "ti,tca6416";
reg = <0x20>;
gpio-controller;
#gpio-cells = <2>;
interrupt-parent = <&gpio0>;
interrupts = <20 GPIO_ACTIVE_LOW>;
pinctrl-names = "default";
pinctrl-0 = <&tca6416_pins>;
};
};
&usb {
status = "okay";
};
&usb_ctrl_mod {
status = "okay";
};
&usb0_phy {
status = "okay";
};
&usb1_phy {
status = "okay";
};
&usb0 {
status = "okay";
dr_mode = "host";
};
&usb1 {
status = "okay";
dr_mode = "otg";
};
&cppi41dma {
status = "okay";
};
#include "tps65910.dtsi"
&tps {
vcc1-supply = <&vbat>;
vcc2-supply = <&vbat>;
vcc3-supply = <&vbat>;
vcc4-supply = <&vbat>;
vcc5-supply = <&vbat>;
vcc6-supply = <&vbat>;
vcc7-supply = <&vbat>;
vccio-supply = <&vbat>;
ti,en-ck32k-xtal = <1>;
regulators {
vrtc_reg: regulator@0 {
regulator-always-on;
};
vio_reg: regulator@1 {
regulator-always-on;
};
vdd1_reg: regulator@2 {
/* VDD_MPU voltage limits 0.95V - 1.26V with +/-4% tolerance */
regulator-name = "vdd_mpu";
regulator-min-microvolt = <912500>;
regulator-max-microvolt = <1312500>;
regulator-boot-on;
regulator-always-on;
};
vdd2_reg: regulator@3 {
/* VDD_CORE voltage limits 0.95V - 1.1V with +/-4% tolerance */
regulator-name = "vdd_core";
regulator-min-microvolt = <912500>;
regulator-max-microvolt = <1150000>;
regulator-boot-on;
regulator-always-on;
};
vdd3_reg: regulator@4 {
regulator-always-on;
};
vdig1_reg: regulator@5 {
regulator-always-on;
};
vdig2_reg: regulator@6 {
regulator-always-on;
};
vpll_reg: regulator@7 {
regulator-always-on;
};
vdac_reg: regulator@8 {
regulator-always-on;
};
vaux1_reg: regulator@9 {
regulator-always-on;
};
vaux2_reg: regulator@10 {
regulator-always-on;
};
vaux33_reg: regulator@11 {
regulator-always-on;
};
vmmc_reg: regulator@12 {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
};
};
};
&mac {
pinctrl-names = "default", "sleep";
pinctrl-0 = <&cpsw_default>;
pinctrl-1 = <&cpsw_sleep>;
dual_emac = <1>;
status = "okay";
};
&davinci_mdio {
pinctrl-names = "default", "sleep";
pinctrl-0 = <&davinci_mdio_default>;
pinctrl-1 = <&davinci_mdio_sleep>;
status = "okay";
};
&cpsw_emac0 {
phy_id = <&davinci_mdio>, <0>;
phy-mode = "rmii";
dual_emac_res_vlan = <1>;
};
&cpsw_emac1 {
phy_id = <&davinci_mdio>, <7>;
phy-mode = "rgmii-txid";
dual_emac_res_vlan = <2>;
};
&phy_sel {
rmii-clock-ext = <1>;
};
&mmc1 {
vmmc-supply = <&vmmc_reg>;
status = "okay";
};
&mmc2 {
status = "okay";
vmmc-supply = <&wl12xx_vmmc>;
ti,non-removable;
bus-width = <4>;
cap-power-off-card;
pinctrl-names = "default";
pinctrl-0 = <&mmc2_pins>;
#address-cells = <1>;
#size-cells = <0>;
wlcore: wlcore@2 {
compatible = "ti,wl1835";
reg = <2>;
interrupt-parent = <&gpio3>;
interrupts = <7 IRQ_TYPE_LEVEL_HIGH>;
};
};
&sham {
status = "okay";
};
&aes {
status = "okay";
};
&gpio0 {
ti,no-reset-on-init;
};
&dcan1 {
pinctrl-names = "default";
pinctrl-0 = <&dcan1_pins>;
status = "okay";
};
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