AuxXxilium/linux_dsm_epyc7002
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linux_dsm_epyc7002/arch/arm/boot/dts/tegra30-asus-nexus7-tilapia.dtsi
Dmitry Osipenko 2720008f42 ARM: tegra: Add device-tree for ASUS Google Nexus 7 
There are few hardware variants of NVIDIA Tegra30-based Nexus 7 device:

1. WiFi-only (named Grouper)
2. GSM (named Tilapia)
3. Using Maxim PMIC (E1565 board ID)
4. Using Ti PMIC (PM269 board ID)

This patch adds device-trees for known and tested variants.

Link: https://wiki.postmarketos.org/wiki/Google_Nexus_7_2012_(asus-grouper)
Tested-by: Pedro Ângelo <pangelo@void.io>
Tested-by: Matt Merhar <mattmerhar@protonmail.com>
Tested-by: Zack Pearsall <zpearsall@yahoo.com>
Signed-off-by: David Heidelberg <david@ixit.cz>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2020-07-16 14:21:31 +02:00

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// SPDX-License-Identifier: GPL-2.0
#include "tegra30-asus-nexus7-grouper-common.dtsi"
#include "tegra30-asus-nexus7-tilapia-memory-timings.dtsi"
/ {
compatible = "asus,tilapia", "asus,grouper", "nvidia,tegra30";
display-panel {
enable-gpios = <&gpio TEGRA_GPIO(V, 6) GPIO_ACTIVE_HIGH>;
panel-timing {
clock-frequency = <81750000>;
hactive = <800>;
vactive = <1280>;
hfront-porch = <64>;
hback-porch = <128>;
hsync-len = <64>;
vsync-len = <1>;
vfront-porch = <5>;
vback-porch = <2>;
};
};
gpio@6000d000 {
init-mode-3g {
gpio-hog;
gpios = <TEGRA_GPIO(D, 2) GPIO_ACTIVE_HIGH>,
<TEGRA_GPIO(C, 6) GPIO_ACTIVE_HIGH>,
<TEGRA_GPIO(W, 3) GPIO_ACTIVE_HIGH>,
<TEGRA_GPIO(P, 1) GPIO_ACTIVE_HIGH>,
<TEGRA_GPIO(X, 5) GPIO_ACTIVE_HIGH>,
<TEGRA_GPIO(U, 5) GPIO_ACTIVE_HIGH>,
<TEGRA_GPIO(X, 7) GPIO_ACTIVE_HIGH>,
<TEGRA_GPIO(X, 0) GPIO_ACTIVE_HIGH>,
<TEGRA_GPIO(EE, 1) GPIO_ACTIVE_HIGH>,
<TEGRA_GPIO(Y, 2) GPIO_ACTIVE_HIGH>,
<TEGRA_GPIO(Y, 3) GPIO_ACTIVE_HIGH>,
<TEGRA_GPIO(R, 7) GPIO_ACTIVE_HIGH>,
<TEGRA_GPIO(U, 4) GPIO_ACTIVE_HIGH>,
<TEGRA_GPIO(U, 3) GPIO_ACTIVE_HIGH>,
<TEGRA_GPIO(N, 1) GPIO_ACTIVE_HIGH>,
<TEGRA_GPIO(N, 2) GPIO_ACTIVE_HIGH>,
<TEGRA_GPIO(N, 0) GPIO_ACTIVE_HIGH>,
<TEGRA_GPIO(N, 3) GPIO_ACTIVE_HIGH>;
output-low;
};
};
pinmux@70000868 {
state_default: pinmux {
lcd_dc1_pd2 {
nvidia,pins = "lcd_dc1_pd2";
nvidia,function = "displaya";
nvidia,pull = <TEGRA_PIN_PULL_DOWN>;
nvidia,tristate = <TEGRA_PIN_DISABLE>;
nvidia,enable-input = <TEGRA_PIN_DISABLE>;
};
lcd_pwr2_pc6 {
nvidia,pins = "lcd_pwr2_pc6";
nvidia,function = "displaya";
nvidia,pull = <TEGRA_PIN_PULL_DOWN>;
nvidia,tristate = <TEGRA_PIN_DISABLE>;
nvidia,enable-input = <TEGRA_PIN_DISABLE>;
};
spi2_cs2_n_pw3 {
nvidia,pins = "spi2_cs2_n_pw3";
nvidia,function = "spi2";
nvidia,pull = <TEGRA_PIN_PULL_UP>;
nvidia,tristate = <TEGRA_PIN_DISABLE>;
nvidia,enable-input = <TEGRA_PIN_ENABLE>;
};
dap3_din_pp1 {
nvidia,pins = "dap3_din_pp1";
nvidia,function = "i2s2";
nvidia,pull = <TEGRA_PIN_PULL_DOWN>;
nvidia,tristate = <TEGRA_PIN_DISABLE>;
nvidia,enable-input = <TEGRA_PIN_DISABLE>;
};
spi1_sck_px5 {
nvidia,pins = "spi1_sck_px5";
nvidia,function = "spi1";
nvidia,pull = <TEGRA_PIN_PULL_UP>;
nvidia,tristate = <TEGRA_PIN_DISABLE>;
nvidia,enable-input = <TEGRA_PIN_ENABLE>;
};
pu5 {
nvidia,pins = "pu5";
nvidia,function = "pwm2";
nvidia,pull = <TEGRA_PIN_PULL_DOWN>;
nvidia,tristate = <TEGRA_PIN_DISABLE>;
nvidia,enable-input = <TEGRA_PIN_ENABLE>;
};
spi1_miso_px7 {
nvidia,pins = "spi1_miso_px7";
nvidia,function = "spi1";
nvidia,pull = <TEGRA_PIN_PULL_DOWN>;
nvidia,tristate = <TEGRA_PIN_DISABLE>;
nvidia,enable-input = <TEGRA_PIN_DISABLE>;
};
spi2_mosi_px0 {
nvidia,pins = "spi2_mosi_px0";
nvidia,function = "spi2";
nvidia,pull = <TEGRA_PIN_PULL_DOWN>;
nvidia,tristate = <TEGRA_PIN_DISABLE>;
nvidia,enable-input = <TEGRA_PIN_DISABLE>;
};
clk3_req_pee1 {
nvidia,pins = "clk3_req_pee1";
nvidia,function = "dev3";
nvidia,pull = <TEGRA_PIN_PULL_DOWN>;
nvidia,tristate = <TEGRA_PIN_DISABLE>;
nvidia,enable-input = <TEGRA_PIN_ENABLE>;
};
ulpi_nxt_py2 {
nvidia,pins = "ulpi_nxt_py2";
nvidia,function = "uartd";
nvidia,pull = <TEGRA_PIN_PULL_DOWN>;
nvidia,tristate = <TEGRA_PIN_DISABLE>;
nvidia,enable-input = <TEGRA_PIN_DISABLE>;
};
ulpi_stp_py3 {
nvidia,pins = "ulpi_stp_py3";
nvidia,function = "uartd";
nvidia,pull = <TEGRA_PIN_PULL_DOWN>;
nvidia,tristate = <TEGRA_PIN_DISABLE>;
nvidia,enable-input = <TEGRA_PIN_ENABLE>;
};
kb_row7_pr7 {
nvidia,pins = "kb_row7_pr7";
nvidia,function = "kbc";
nvidia,pull = <TEGRA_PIN_PULL_DOWN>;
nvidia,tristate = <TEGRA_PIN_DISABLE>;
nvidia,enable-input = <TEGRA_PIN_DISABLE>;
};
pu4 {
nvidia,pins = "pu4";
nvidia,function = "pwm1";
nvidia,pull = <TEGRA_PIN_PULL_DOWN>;
nvidia,tristate = <TEGRA_PIN_DISABLE>;
nvidia,enable-input = <TEGRA_PIN_DISABLE>;
};
pu3 {
nvidia,pins = "pu3";
nvidia,function = "rsvd4";
nvidia,pull = <TEGRA_PIN_PULL_DOWN>;
nvidia,tristate = <TEGRA_PIN_DISABLE>;
nvidia,enable-input = <TEGRA_PIN_DISABLE>;
};
kb_row15_ps7 {
nvidia,pins = "kb_row15_ps7";
nvidia,function = "kbc";
nvidia,pull = <TEGRA_PIN_PULL_NONE>;
nvidia,tristate = <TEGRA_PIN_DISABLE>;
nvidia,enable-input = <TEGRA_PIN_ENABLE>;
};
dap3_sclk_pp3 {
nvidia,pins = "dap3_sclk_pp3";
nvidia,function = "i2s2";
nvidia,pull = <TEGRA_PIN_PULL_NONE>;
nvidia,tristate = <TEGRA_PIN_DISABLE>;
nvidia,enable-input = <TEGRA_PIN_DISABLE>;
};
kb_row3_pr3 {
nvidia,pins = "kb_row3_pr3",
"kb_row13_ps5";
nvidia,function = "kbc";
nvidia,pull = <TEGRA_PIN_PULL_UP>;
nvidia,tristate = <TEGRA_PIN_DISABLE>;
nvidia,enable-input = <TEGRA_PIN_ENABLE>;
};
kb_row13_ps5 {
nvidia,pins = "kb_row13_ps5";
nvidia,function = "kbc";
nvidia,pull = <TEGRA_PIN_PULL_UP>;
nvidia,tristate = <TEGRA_PIN_DISABLE>;
nvidia,enable-input = <TEGRA_PIN_ENABLE>;
};
gmi_wp_n_pc7 {
nvidia,pins = "gmi_wp_n_pc7",
"gmi_wait_pi7",
"gmi_cs4_n_pk2",
"gmi_cs3_n_pk4";
nvidia,function = "rsvd1";
nvidia,pull = <TEGRA_PIN_PULL_NONE>;
nvidia,tristate = <TEGRA_PIN_ENABLE>;
nvidia,enable-input = <TEGRA_PIN_ENABLE>;
};
gmi_cs6_n_pi3 {
nvidia,pins = "gmi_cs6_n_pi3";
nvidia,function = "gmi";
nvidia,pull = <TEGRA_PIN_PULL_NONE>;
nvidia,tristate = <TEGRA_PIN_ENABLE>;
nvidia,enable-input = <TEGRA_PIN_ENABLE>;
};
};
};
i2c@7000c500 {
proximity-sensor@28 {
compatible = "microchip,cap1106";
reg = <0x28>;
/*
* Binding doesn't support specifying linux,input-type
* and this results in unwanted key-presses handled by
* applications, hence keep it disabled for now.
*/
status = "disabled";
interrupt-parent = <&gpio>;
interrupts = <TEGRA_GPIO(R, 3) IRQ_TYPE_LEVEL_HIGH>;
linux,keycodes = <KEY_RESERVED>,
<KEY_RESERVED>,
<KEY_RESERVED>,
<KEY_RESERVED>,
<KEY_RESERVED>,
<SW_FRONT_PROXIMITY>;
};
nfc@2a {
compatible = "nxp,pn544-i2c";
reg = <0x2a>;
clock-frequency = <100000>;
interrupt-parent = <&gpio>;
interrupts = <TEGRA_GPIO(S, 7) IRQ_TYPE_EDGE_RISING>;
enable-gpios = <&gpio TEGRA_GPIO(P, 0) GPIO_ACTIVE_HIGH>;
firmware-gpios = <&gpio TEGRA_GPIO(P, 3) GPIO_ACTIVE_HIGH>;
};
};
};
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