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Message-ID: <c47c07b2c112219093b668c0b4d46ac8@agner.ch>
Date: Fri, 04 May 2018 11:19:18 +0200
From: Stefan Agner <stefan@...er.ch>
To: Krzysztof Kozlowski <krzk@...nel.org>
Cc: Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Thierry Reding <thierry.reding@...il.com>,
Jonathan Hunter <jonathanh@...dia.com>,
devicetree@...r.kernel.org, linux-tegra@...r.kernel.org,
linux-kernel@...r.kernel.org,
Marcel Ziswiler <marcel.ziswiler@...adex.com>,
Lucas Stach <dev@...xeye.de>
Subject: Re: [PATCH v2] ARM: dts: tegra: Add support for 256 MB Colibri-T20
(plus such board on Iris)
On 03.05.2018 17:08, Krzysztof Kozlowski wrote:
> Colibri-T20 can come in 256 MB RAM (with 512 MB NAND) or 512 MB RAM
> (with 1024 MB NAND) flavors. Add support for the 256 MB version on Iris
> evaluation board.
To we really need to specify memory size these days? I think all common
boot loaders fill the memory node anyway.
arch/arm/boot/dts/imx6qdl-apalis.dtsi:
/* Will be filled by the bootloader */
memory@...00000 {
reg = <0x10000000 0>;
};
I think we should just rename tegra20-colibri-512.dtsi =>
tegra20-colibri.dtsi and tegra20-iris-512.dts => tegra20-iris.dts to
avoid confusion and add such an empty node.
>
> Signed-off-by: Krzysztof Kozlowski <krzk@...nel.org>
>
> ---
>
> Changes since v1:
> 1. Fix memory size in tegra20-colibri-256.dtsi (was working fine because
> my bootloader uses mem= argument).
What boot loader are you using? You even can omit mem= if your boot
loader fills the memory node properly.
--
Stefan
> ---
> Documentation/devicetree/bindings/arm/tegra.txt | 1 +
> arch/arm/boot/dts/Makefile | 1 +
> arch/arm/boot/dts/tegra20-colibri-256.dtsi | 11 +
> arch/arm/boot/dts/tegra20-colibri-512.dtsi | 531 +--------------------
> ...gra20-colibri-512.dtsi => tegra20-colibri.dtsi} | 4 -
> arch/arm/boot/dts/tegra20-iris-256.dts | 10 +
> arch/arm/boot/dts/tegra20-iris-512.dts | 98 +---
> ...gra20-iris-512.dts => tegra20-iris-common.dtsi} | 11 +-
> 8 files changed, 31 insertions(+), 636 deletions(-)
> create mode 100644 arch/arm/boot/dts/tegra20-colibri-256.dtsi
> copy arch/arm/boot/dts/{tegra20-colibri-512.dtsi => tegra20-colibri.dtsi} (99%)
> create mode 100644 arch/arm/boot/dts/tegra20-iris-256.dts
> copy arch/arm/boot/dts/{tegra20-iris-512.dts => tegra20-iris-common.dtsi} (85%)
>
> diff --git a/Documentation/devicetree/bindings/arm/tegra.txt
> b/Documentation/devicetree/bindings/arm/tegra.txt
> index 32f62bb7006d..d304574ae441 100644
> --- a/Documentation/devicetree/bindings/arm/tegra.txt
> +++ b/Documentation/devicetree/bindings/arm/tegra.txt
> @@ -49,6 +49,7 @@ board-specific compatible values:
> toradex,apalis_t30-eval
> toradex,apalis-tk1
> toradex,apalis-tk1-eval
> + toradex,colibri_t20-256
> toradex,colibri_t20-512
> toradex,colibri_t30
> toradex,colibri_t30-eval-v3
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index da7d08c3ae98..d63214c6967c 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -1031,6 +1031,7 @@ dtb-$(CONFIG_ARCH_TANGO) += \
> tango4-vantage-1172.dtb
> dtb-$(CONFIG_ARCH_TEGRA_2x_SOC) += \
> tegra20-harmony.dtb \
> + tegra20-iris-256.dtb \
> tegra20-iris-512.dtb \
> tegra20-medcom-wide.dtb \
> tegra20-paz00.dtb \
> diff --git a/arch/arm/boot/dts/tegra20-colibri-256.dtsi
> b/arch/arm/boot/dts/tegra20-colibri-256.dtsi
> new file mode 100644
> index 000000000000..9c4b0975628f
> --- /dev/null
> +++ b/arch/arm/boot/dts/tegra20-colibri-256.dtsi
> @@ -0,0 +1,11 @@
> +// SPDX-License-Identifier: GPL-2.0
> +#include "tegra20-colibri.dtsi"
> +
> +/ {
> + model = "Toradex Colibri T20 256MB";
> + compatible = "toradex,colibri_t20-256", "nvidia,tegra20";
> +
> + memory {
> + reg = <0x00000000 0x10000000>;
> + };
> +};
> diff --git a/arch/arm/boot/dts/tegra20-colibri-512.dtsi
> b/arch/arm/boot/dts/tegra20-colibri-512.dtsi
> index 5c202b3e3bb1..2011382c9c3d 100644
> --- a/arch/arm/boot/dts/tegra20-colibri-512.dtsi
> +++ b/arch/arm/boot/dts/tegra20-colibri-512.dtsi
> @@ -1,540 +1,11 @@
> // SPDX-License-Identifier: GPL-2.0
> -#include "tegra20.dtsi"
> +#include "tegra20-colibri.dtsi"
>
> / {
> model = "Toradex Colibri T20 512MB";
> compatible = "toradex,colibri_t20-512", "nvidia,tegra20";
>
> - aliases {
> - rtc0 = "/i2c@...0d000/tps6586x@34";
> - rtc1 = "/rtc@...0e000";
> - };
> -
> memory {
> reg = <0x00000000 0x20000000>;
> };
> -
> - host1x@...00000 {
> - hdmi@...80000 {
> - vdd-supply = <&hdmi_vdd_reg>;
> - pll-supply = <&hdmi_pll_reg>;
> -
> - nvidia,ddc-i2c-bus = <&i2c_ddc>;
> - nvidia,hpd-gpio = <&gpio TEGRA_GPIO(N, 7)
> - GPIO_ACTIVE_HIGH>;
> - };
> - };
> -
> - pinmux@...00014 {
> - pinctrl-names = "default";
> - pinctrl-0 = <&state_default>;
> -
> - state_default: pinmux {
> - audio_refclk {
> - nvidia,pins = "cdev1";
> - nvidia,function = "plla_out";
> - nvidia,pull = <TEGRA_PIN_PULL_NONE>;
> - nvidia,tristate = <TEGRA_PIN_DISABLE>;
> - };
> - crt {
> - nvidia,pins = "crtp";
> - nvidia,function = "crt";
> - nvidia,pull = <TEGRA_PIN_PULL_NONE>;
> - nvidia,tristate = <TEGRA_PIN_ENABLE>;
> - };
> - dap3 {
> - nvidia,pins = "dap3";
> - nvidia,function = "dap3";
> - nvidia,pull = <TEGRA_PIN_PULL_NONE>;
> - nvidia,tristate = <TEGRA_PIN_DISABLE>;
> - };
> - displaya {
> - nvidia,pins = "ld0", "ld1", "ld2", "ld3",
> - "ld4", "ld5", "ld6", "ld7", "ld8",
> - "ld9", "ld10", "ld11", "ld12", "ld13",
> - "ld14", "ld15", "ld16", "ld17",
> - "lhs", "lpw0", "lpw2", "lsc0",
> - "lsc1", "lsck", "lsda", "lspi", "lvs";
> - nvidia,function = "displaya";
> - nvidia,tristate = <TEGRA_PIN_ENABLE>;
> - };
> - gpio_dte {
> - nvidia,pins = "dte";
> - nvidia,function = "rsvd1";
> - nvidia,pull = <TEGRA_PIN_PULL_NONE>;
> - nvidia,tristate = <TEGRA_PIN_DISABLE>;
> - };
> - gpio_gmi {
> - nvidia,pins = "ata", "atc", "atd", "ate",
> - "dap1", "dap2", "dap4", "gpu", "irrx",
> - "irtx", "spia", "spib", "spic";
> - nvidia,function = "gmi";
> - nvidia,pull = <TEGRA_PIN_PULL_NONE>;
> - nvidia,tristate = <TEGRA_PIN_DISABLE>;
> - };
> - gpio_pta {
> - nvidia,pins = "pta";
> - nvidia,function = "rsvd4";
> - nvidia,pull = <TEGRA_PIN_PULL_NONE>;
> - nvidia,tristate = <TEGRA_PIN_DISABLE>;
> - };
> - gpio_uac {
> - nvidia,pins = "uac";
> - nvidia,function = "rsvd2";
> - nvidia,pull = <TEGRA_PIN_PULL_NONE>;
> - nvidia,tristate = <TEGRA_PIN_DISABLE>;
> - };
> - hdint {
> - nvidia,pins = "hdint";
> - nvidia,function = "hdmi";
> - nvidia,tristate = <TEGRA_PIN_ENABLE>;
> - };
> - i2c1 {
> - nvidia,pins = "rm";
> - nvidia,function = "i2c1";
> - nvidia,pull = <TEGRA_PIN_PULL_NONE>;
> - nvidia,tristate = <TEGRA_PIN_ENABLE>;
> - };
> - i2c3 {
> - nvidia,pins = "dtf";
> - nvidia,function = "i2c3";
> - nvidia,pull = <TEGRA_PIN_PULL_NONE>;
> - nvidia,tristate = <TEGRA_PIN_ENABLE>;
> - };
> - i2cddc {
> - nvidia,pins = "ddc";
> - nvidia,function = "i2c2";
> - nvidia,pull = <TEGRA_PIN_PULL_UP>;
> - nvidia,tristate = <TEGRA_PIN_ENABLE>;
> - };
> - i2cp {
> - nvidia,pins = "i2cp";
> - nvidia,function = "i2cp";
> - nvidia,pull = <TEGRA_PIN_PULL_NONE>;
> - nvidia,tristate = <TEGRA_PIN_DISABLE>;
> - };
> - irda {
> - nvidia,pins = "uad";
> - nvidia,function = "irda";
> - nvidia,pull = <TEGRA_PIN_PULL_NONE>;
> - nvidia,tristate = <TEGRA_PIN_ENABLE>;
> - };
> - nand {
> - nvidia,pins = "kbca", "kbcc", "kbcd",
> - "kbce", "kbcf";
> - nvidia,function = "nand";
> - nvidia,pull = <TEGRA_PIN_PULL_NONE>;
> - nvidia,tristate = <TEGRA_PIN_DISABLE>;
> - };
> - owc {
> - nvidia,pins = "owc";
> - nvidia,function = "owr";
> - nvidia,pull = <TEGRA_PIN_PULL_NONE>;
> - nvidia,tristate = <TEGRA_PIN_ENABLE>;
> - };
> - pmc {
> - nvidia,pins = "pmc";
> - nvidia,function = "pwr_on";
> - nvidia,tristate = <TEGRA_PIN_DISABLE>;
> - };
> - pwm {
> - nvidia,pins = "sdb", "sdc", "sdd";
> - nvidia,function = "pwm";
> - nvidia,tristate = <TEGRA_PIN_ENABLE>;
> - };
> - sdio4 {
> - nvidia,pins = "atb", "gma", "gme";
> - nvidia,function = "sdio4";
> - nvidia,pull = <TEGRA_PIN_PULL_NONE>;
> - nvidia,tristate = <TEGRA_PIN_ENABLE>;
> - };
> - spi1 {
> - nvidia,pins = "spid", "spie", "spif";
> - nvidia,function = "spi1";
> - nvidia,pull = <TEGRA_PIN_PULL_NONE>;
> - nvidia,tristate = <TEGRA_PIN_ENABLE>;
> - };
> - spi4 {
> - nvidia,pins = "slxa", "slxc", "slxd", "slxk";
> - nvidia,function = "spi4";
> - nvidia,pull = <TEGRA_PIN_PULL_NONE>;
> - nvidia,tristate = <TEGRA_PIN_ENABLE>;
> - };
> - uarta {
> - nvidia,pins = "sdio1";
> - nvidia,function = "uarta";
> - nvidia,pull = <TEGRA_PIN_PULL_NONE>;
> - nvidia,tristate = <TEGRA_PIN_ENABLE>;
> - };
> - uartd {
> - nvidia,pins = "gmc";
> - nvidia,function = "uartd";
> - nvidia,pull = <TEGRA_PIN_PULL_NONE>;
> - nvidia,tristate = <TEGRA_PIN_ENABLE>;
> - };
> - ulpi {
> - nvidia,pins = "uaa", "uab", "uda";
> - nvidia,function = "ulpi";
> - nvidia,pull = <TEGRA_PIN_PULL_NONE>;
> - nvidia,tristate = <TEGRA_PIN_DISABLE>;
> - };
> - ulpi_refclk {
> - nvidia,pins = "cdev2";
> - nvidia,function = "pllp_out4";
> - nvidia,pull = <TEGRA_PIN_PULL_NONE>;
> - nvidia,tristate = <TEGRA_PIN_DISABLE>;
> - };
> - usb_gpio {
> - nvidia,pins = "spig", "spih";
> - nvidia,function = "spi2_alt";
> - nvidia,pull = <TEGRA_PIN_PULL_NONE>;
> - nvidia,tristate = <TEGRA_PIN_DISABLE>;
> - };
> - vi {
> - nvidia,pins = "dta", "dtb", "dtc", "dtd";
> - nvidia,function = "vi";
> - nvidia,pull = <TEGRA_PIN_PULL_NONE>;
> - nvidia,tristate = <TEGRA_PIN_ENABLE>;
> - };
> - vi_sc {
> - nvidia,pins = "csus";
> - nvidia,function = "vi_sensor_clk";
> - nvidia,pull = <TEGRA_PIN_PULL_NONE>;
> - nvidia,tristate = <TEGRA_PIN_ENABLE>;
> - };
> - };
> - };
> -
> - ac97: ac97@...02000 {
> - status = "okay";
> - nvidia,codec-reset-gpio = <&gpio TEGRA_GPIO(V, 0)
> - GPIO_ACTIVE_HIGH>;
> - nvidia,codec-sync-gpio = <&gpio TEGRA_GPIO(P, 0)
> - GPIO_ACTIVE_HIGH>;
> - };
> -
> - /*
> - * GEN1_I2C: I2C_SDA/SCL on SODIMM pin 194/196 (e.g. RTC on carrier
> - * board)
> - */
> - i2c@...0c000 {
> - clock-frequency = <400000>;
> - };
> -
> - /* DDC_SCL/SDA on X3 pin 15/16 (e.g. display EDID) */
> - i2c_ddc: i2c@...0c400 {
> - clock-frequency = <10000>;
> - };
> -
> - /* GEN2_I2C: unused */
> -
> - /* CAM/GEN3_I2C: used as EXT_IO1/2 GPIOs on SODIMM pin 133/127 */
> -
> - /* PWR_I2C: power I2C to PMIC and temperature sensor (On-module) */
> - i2c@...0d000 {
> - status = "okay";
> - clock-frequency = <100000>;
> -
> - pmic: tps6586x@34 {
> - compatible = "ti,tps6586x";
> - reg = <0x34>;
> - interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
> -
> - ti,system-power-controller;
> -
> - #gpio-cells = <2>;
> - gpio-controller;
> -
> - sys-supply = <&vdd_3v3_reg>;
> - vin-sm0-supply = <&sys_reg>;
> - vin-sm1-supply = <&sys_reg>;
> - vin-sm2-supply = <&sys_reg>;
> - vinldo01-supply = <&sm2_reg>;
> - vinldo23-supply = <&vdd_3v3_reg>;
> - vinldo4-supply = <&vdd_3v3_reg>;
> - vinldo678-supply = <&vdd_3v3_reg>;
> - vinldo9-supply = <&vdd_3v3_reg>;
> -
> - regulators {
> - #address-cells = <1>;
> - #size-cells = <0>;
> -
> - sys_reg: regulator@0 {
> - reg = <0>;
> - regulator-compatible = "sys";
> - regulator-name = "vdd_sys";
> - regulator-always-on;
> - };
> -
> - regulator@1 {
> - reg = <1>;
> - regulator-compatible = "sm0";
> - regulator-name = "vdd_sm0,vdd_core";
> - regulator-min-microvolt = <1200000>;
> - regulator-max-microvolt = <1200000>;
> - regulator-always-on;
> - };
> -
> - regulator@2 {
> - reg = <2>;
> - regulator-compatible = "sm1";
> - regulator-name = "vdd_sm1,vdd_cpu";
> - regulator-min-microvolt = <1000000>;
> - regulator-max-microvolt = <1000000>;
> - regulator-always-on;
> - };
> -
> - sm2_reg: regulator@3 {
> - reg = <3>;
> - regulator-compatible = "sm2";
> - regulator-name = "vdd_sm2,vin_ldo*";
> - regulator-min-microvolt = <1800000>;
> - regulator-max-microvolt = <1800000>;
> - regulator-always-on;
> - };
> -
> - /* LDO0 is not connected to anything */
> -
> - regulator@5 {
> - reg = <5>;
> - regulator-compatible = "ldo1";
> - regulator-name = "vdd_ldo1,avdd_pll*";
> - regulator-min-microvolt = <1100000>;
> - regulator-max-microvolt = <1100000>;
> - regulator-always-on;
> - };
> -
> - regulator@6 {
> - reg = <6>;
> - regulator-compatible = "ldo2";
> - regulator-name = "vdd_ldo2,vdd_rtc";
> - regulator-min-microvolt = <1200000>;
> - regulator-max-microvolt = <1200000>;
> - };
> -
> - /* LDO3 is not connected to anything */
> -
> - regulator@8 {
> - reg = <8>;
> - regulator-compatible = "ldo4";
> - regulator-name = "vdd_ldo4,avdd_osc,vddio_sys";
> - regulator-min-microvolt = <1800000>;
> - regulator-max-microvolt = <1800000>;
> - regulator-always-on;
> - };
> -
> - ldo5_reg: regulator@9 {
> - reg = <9>;
> - regulator-compatible = "ldo5";
> - regulator-name = "vdd_ldo5,vdd_fuse";
> - regulator-min-microvolt = <3300000>;
> - regulator-max-microvolt = <3300000>;
> - regulator-always-on;
> - };
> -
> - regulator@10 {
> - reg = <10>;
> - regulator-compatible = "ldo6";
> - regulator-name = "vdd_ldo6,avdd_vdac,vddio_vi,vddio_cam";
> - regulator-min-microvolt = <2850000>;
> - regulator-max-microvolt = <2850000>;
> - };
> -
> - hdmi_vdd_reg: regulator@11 {
> - reg = <11>;
> - regulator-compatible = "ldo7";
> - regulator-name = "vdd_ldo7,avdd_hdmi";
> - regulator-min-microvolt = <3300000>;
> - regulator-max-microvolt = <3300000>;
> - };
> -
> - hdmi_pll_reg: regulator@12 {
> - reg = <12>;
> - regulator-compatible = "ldo8";
> - regulator-name = "vdd_ldo8,avdd_hdmi_pll";
> - regulator-min-microvolt = <1800000>;
> - regulator-max-microvolt = <1800000>;
> - };
> -
> - regulator@13 {
> - reg = <13>;
> - regulator-compatible = "ldo9";
> - regulator-name = "vdd_ldo9,avdd_2v85,vdd_ddr_rx";
> - regulator-min-microvolt = <2850000>;
> - regulator-max-microvolt = <2850000>;
> - regulator-always-on;
> - };
> -
> - regulator@14 {
> - reg = <14>;
> - regulator-compatible = "ldo_rtc";
> - regulator-name = "vdd_rtc_out,vdd_cell";
> - regulator-min-microvolt = <3300000>;
> - regulator-max-microvolt = <3300000>;
> - regulator-always-on;
> - };
> - };
> - };
> -
> - temperature-sensor@4c {
> - compatible = "national,lm95245";
> - reg = <0x4c>;
> - };
> - };
> -
> - pmc@...0e400 {
> - nvidia,suspend-mode = <1>;
> - nvidia,cpu-pwr-good-time = <5000>;
> - nvidia,cpu-pwr-off-time = <5000>;
> - nvidia,core-pwr-good-time = <3845 3845>;
> - nvidia,core-pwr-off-time = <3875>;
> - nvidia,sys-clock-req-active-high;
> - };
> -
> - memory-controller@...0f400 {
> - emc-table@...50 {
> - reg = <83250>;
> - compatible = "nvidia,tegra20-emc-table";
> - clock-frequency = <83250>;
> - nvidia,emc-registers = <0x00000005 0x00000011
> - 0x00000004 0x00000002 0x00000004 0x00000004
> - 0x00000001 0x0000000a 0x00000002 0x00000002
> - 0x00000001 0x00000001 0x00000003 0x00000004
> - 0x00000003 0x00000009 0x0000000c 0x0000025f
> - 0x00000000 0x00000003 0x00000003 0x00000002
> - 0x00000002 0x00000001 0x00000008 0x000000c8
> - 0x00000003 0x00000005 0x00000003 0x0000000c
> - 0x00000002 0x00000000 0x00000000 0x00000002
> - 0x00000000 0x00000000 0x00000083 0x00520006
> - 0x00000010 0x00000008 0x00000000 0x00000000
> - 0x00000000 0x00000000 0x00000000 0x00000000>;
> - };
> - emc-table@...200 {
> - reg = <133200>;
> - compatible = "nvidia,tegra20-emc-table";
> - clock-frequency = <133200>;
> - nvidia,emc-registers = <0x00000008 0x00000019
> - 0x00000006 0x00000002 0x00000004 0x00000004
> - 0x00000001 0x0000000a 0x00000002 0x00000002
> - 0x00000002 0x00000001 0x00000003 0x00000004
> - 0x00000003 0x00000009 0x0000000c 0x0000039f
> - 0x00000000 0x00000003 0x00000003 0x00000002
> - 0x00000002 0x00000001 0x00000008 0x000000c8
> - 0x00000003 0x00000007 0x00000003 0x0000000c
> - 0x00000002 0x00000000 0x00000000 0x00000002
> - 0x00000000 0x00000000 0x00000083 0x00510006
> - 0x00000010 0x00000008 0x00000000 0x00000000
> - 0x00000000 0x00000000 0x00000000 0x00000000>;
> - };
> - emc-table@...500 {
> - reg = <166500>;
> - compatible = "nvidia,tegra20-emc-table";
> - clock-frequency = <166500>;
> - nvidia,emc-registers = <0x0000000a 0x00000021
> - 0x00000008 0x00000003 0x00000004 0x00000004
> - 0x00000002 0x0000000a 0x00000003 0x00000003
> - 0x00000002 0x00000001 0x00000003 0x00000004
> - 0x00000003 0x00000009 0x0000000c 0x000004df
> - 0x00000000 0x00000003 0x00000003 0x00000003
> - 0x00000003 0x00000001 0x00000009 0x000000c8
> - 0x00000003 0x00000009 0x00000004 0x0000000c
> - 0x00000002 0x00000000 0x00000000 0x00000002
> - 0x00000000 0x00000000 0x00000083 0x004f0006
> - 0x00000010 0x00000008 0x00000000 0x00000000
> - 0x00000000 0x00000000 0x00000000 0x00000000>;
> - };
> - emc-table@...000 {
> - reg = <333000>;
> - compatible = "nvidia,tegra20-emc-table";
> - clock-frequency = <333000>;
> - nvidia,emc-registers = <0x00000014 0x00000041
> - 0x0000000f 0x00000005 0x00000004 0x00000005
> - 0x00000003 0x0000000a 0x00000005 0x00000005
> - 0x00000004 0x00000001 0x00000003 0x00000004
> - 0x00000003 0x00000009 0x0000000c 0x000009ff
> - 0x00000000 0x00000003 0x00000003 0x00000005
> - 0x00000005 0x00000001 0x0000000e 0x000000c8
> - 0x00000003 0x00000011 0x00000006 0x0000000c
> - 0x00000002 0x00000000 0x00000000 0x00000002
> - 0x00000000 0x00000000 0x00000083 0x00380006
> - 0x00000010 0x00000008 0x00000000 0x00000000
> - 0x00000000 0x00000000 0x00000000 0x00000000>;
> - };
> - };
> -
> - usb@...04000 {
> - status = "okay";
> - nvidia,phy-reset-gpio = <&gpio TEGRA_GPIO(V, 1)
> - GPIO_ACTIVE_LOW>;
> - };
> -
> - usb-phy@...04000 {
> - status = "okay";
> - nvidia,phy-reset-gpio = <&gpio TEGRA_GPIO(V, 1)
> - GPIO_ACTIVE_LOW>;
> - };
> -
> - sdhci@...00600 {
> - cd-gpios = <&gpio TEGRA_GPIO(C, 7) GPIO_ACTIVE_LOW>;
> - };
> -
> - clocks {
> - compatible = "simple-bus";
> - #address-cells = <1>;
> - #size-cells = <0>;
> -
> - clk32k_in: clock@0 {
> - compatible = "fixed-clock";
> - reg = <0>;
> - #clock-cells = <0>;
> - clock-frequency = <32768>;
> - };
> - };
> -
> - regulators {
> - compatible = "simple-bus";
> - #address-cells = <1>;
> - #size-cells = <0>;
> -
> - vdd_3v3_reg: regulator@100 {
> - compatible = "regulator-fixed";
> - reg = <100>;
> - regulator-name = "vdd_3v3";
> - regulator-min-microvolt = <3300000>;
> - regulator-max-microvolt = <3300000>;
> - regulator-always-on;
> - };
> -
> - regulator@101 {
> - compatible = "regulator-fixed";
> - reg = <101>;
> - regulator-name = "internal_usb";
> - regulator-min-microvolt = <5000000>;
> - regulator-max-microvolt = <5000000>;
> - enable-active-high;
> - regulator-boot-on;
> - regulator-always-on;
> - gpio = <&gpio TEGRA_GPIO(BB, 1) GPIO_ACTIVE_HIGH>;
> - };
> - };
> -
> - sound {
> - compatible = "nvidia,tegra-audio-wm9712-colibri_t20",
> - "nvidia,tegra-audio-wm9712";
> - nvidia,model = "Colibri T20 AC97 Audio";
> -
> - nvidia,audio-routing =
> - "Headphone", "HPOUTL",
> - "Headphone", "HPOUTR",
> - "LineIn", "LINEINL",
> - "LineIn", "LINEINR",
> - "Mic", "MIC1";
> -
> - nvidia,ac97-controller = <&ac97>;
> -
> - clocks = <&tegra_car TEGRA20_CLK_PLL_A>,
> - <&tegra_car TEGRA20_CLK_PLL_A_OUT0>,
> - <&tegra_car TEGRA20_CLK_CDEV1>;
> - clock-names = "pll_a", "pll_a_out0", "mclk";
> - };
> };
> diff --git a/arch/arm/boot/dts/tegra20-colibri-512.dtsi
> b/arch/arm/boot/dts/tegra20-colibri.dtsi
> similarity index 99%
> copy from arch/arm/boot/dts/tegra20-colibri-512.dtsi
> copy to arch/arm/boot/dts/tegra20-colibri.dtsi
> index 5c202b3e3bb1..a567ea6d442f 100644
> --- a/arch/arm/boot/dts/tegra20-colibri-512.dtsi
> +++ b/arch/arm/boot/dts/tegra20-colibri.dtsi
> @@ -10,10 +10,6 @@
> rtc1 = "/rtc@...0e000";
> };
>
> - memory {
> - reg = <0x00000000 0x20000000>;
> - };
> -
> host1x@...00000 {
> hdmi@...80000 {
> vdd-supply = <&hdmi_vdd_reg>;
> diff --git a/arch/arm/boot/dts/tegra20-iris-256.dts
> b/arch/arm/boot/dts/tegra20-iris-256.dts
> new file mode 100644
> index 000000000000..f2df58c81493
> --- /dev/null
> +++ b/arch/arm/boot/dts/tegra20-iris-256.dts
> @@ -0,0 +1,10 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/dts-v1/;
> +
> +#include "tegra20-colibri-256.dtsi"
> +#include "tegra20-iris-common.dtsi"
> +
> +/ {
> + model = "Toradex Colibri T20 256MB on Iris";
> + compatible = "toradex,iris", "toradex,colibri_t20-256", "nvidia,tegra20";
> +};
> diff --git a/arch/arm/boot/dts/tegra20-iris-512.dts
> b/arch/arm/boot/dts/tegra20-iris-512.dts
> index 40126388946d..6841e5af6f26 100644
> --- a/arch/arm/boot/dts/tegra20-iris-512.dts
> +++ b/arch/arm/boot/dts/tegra20-iris-512.dts
> @@ -2,105 +2,9 @@
> /dts-v1/;
>
> #include "tegra20-colibri-512.dtsi"
> +#include "tegra20-iris-common.dtsi"
>
> / {
> model = "Toradex Colibri T20 512MB on Iris";
> compatible = "toradex,iris", "toradex,colibri_t20-512", "nvidia,tegra20";
> -
> - aliases {
> - serial0 = &uarta;
> - serial1 = &uartd;
> - };
> -
> - chosen {
> - stdout-path = "serial0:115200n8";
> - };
> -
> - host1x@...00000 {
> - hdmi@...80000 {
> - status = "okay";
> - };
> - };
> -
> - pinmux@...00014 {
> - state_default: pinmux {
> - hdint {
> - nvidia,tristate = <TEGRA_PIN_DISABLE>;
> - };
> -
> - i2cddc {
> - nvidia,tristate = <TEGRA_PIN_DISABLE>;
> - };
> -
> - sdio4 {
> - nvidia,tristate = <TEGRA_PIN_DISABLE>;
> - };
> -
> - uarta {
> - nvidia,tristate = <TEGRA_PIN_DISABLE>;
> - };
> -
> - uartd {
> - nvidia,tristate = <TEGRA_PIN_DISABLE>;
> - };
> - };
> - };
> -
> - serial@...06000 {
> - status = "okay";
> - };
> -
> - serial@...06300 {
> - status = "okay";
> - };
> -
> - i2c_ddc: i2c@...0c400 {
> - status = "okay";
> - };
> -
> - usb@...00000 {
> - status = "okay";
> - };
> -
> - usb-phy@...00000 {
> - status = "okay";
> - };
> -
> - usb@...08000 {
> - status = "okay";
> - };
> -
> - usb-phy@...08000 {
> - status = "okay";
> - };
> -
> - sdhci@...00600 {
> - status = "okay";
> - bus-width = <4>;
> - vmmc-supply = <&vcc_sd_reg>;
> - vqmmc-supply = <&vcc_sd_reg>;
> - };
> -
> - regulators {
> - regulator@0 {
> - compatible = "regulator-fixed";
> - reg = <0>;
> - regulator-name = "usb_host_vbus";
> - regulator-min-microvolt = <5000000>;
> - regulator-max-microvolt = <5000000>;
> - regulator-boot-on;
> - regulator-always-on;
> - gpio = <&gpio TEGRA_GPIO(W, 2) GPIO_ACTIVE_HIGH>;
> - };
> -
> - vcc_sd_reg: regulator@1 {
> - compatible = "regulator-fixed";
> - reg = <1>;
> - regulator-name = "vcc_sd";
> - regulator-min-microvolt = <3300000>;
> - regulator-max-microvolt = <3300000>;
> - regulator-boot-on;
> - regulator-always-on;
> - };
> - };
> };
> diff --git a/arch/arm/boot/dts/tegra20-iris-512.dts
> b/arch/arm/boot/dts/tegra20-iris-common.dtsi
> similarity index 85%
> copy from arch/arm/boot/dts/tegra20-iris-512.dts
> copy to arch/arm/boot/dts/tegra20-iris-common.dtsi
> index 40126388946d..bbc6ab22526e 100644
> --- a/arch/arm/boot/dts/tegra20-iris-512.dts
> +++ b/arch/arm/boot/dts/tegra20-iris-common.dtsi
> @@ -1,11 +1,12 @@
> // SPDX-License-Identifier: GPL-2.0
> -/dts-v1/;
> -
> -#include "tegra20-colibri-512.dtsi"
> +//
> +// This DTSI does not include specific Colibri DTSI but just configures
> +// common Iris properties. This DTSI shall be included after including
> +// specific Colibri DTSI.
>
> / {
> - model = "Toradex Colibri T20 512MB on Iris";
> - compatible = "toradex,iris", "toradex,colibri_t20-512", "nvidia,tegra20";
> + model = "Toradex Colibri T20 256MB/512MB on Iris";
> + compatible = "toradex,iris", "nvidia,tegra20";
>
> aliases {
> serial0 = &uarta;
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