mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-07-06 03:06:16 +09:00
e4d761000a
The device seems to hang in SPL if the full speed is used when booting from USB, perhaps because the PMIC has not been set to the maximum ARM core voltage yet. Slow it down to a reliable speed. Signed-off-by: Simon Glass <sjg@chromium.org> Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
158 lines
3.3 KiB
Plaintext
158 lines
3.3 KiB
Plaintext
/*
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* SAMSUNG/GOOGLE Peach-Pit board device tree source
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*
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* Copyright (c) 2013 Samsung Electronics Co., Ltd.
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* http://www.samsung.com
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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/dts-v1/;
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/include/ "exynos54xx.dtsi"
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/ {
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model = "Samsung/Google Peach Pit board based on Exynos5420";
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compatible = "google,pit-rev#", "google,pit",
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"google,peach", "samsung,exynos5420", "samsung,exynos5";
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config {
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google,bad-wake-gpios = <&gpio 0x56 0>; /* gpx0-6 */
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hwid = "PIT TEST A-A 7848";
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lazy-init = <1>;
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};
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aliases {
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serial0 = "/serial@12C30000";
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console = "/serial@12C30000";
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pmic = "/i2c@12ca0000";
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};
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dmc {
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mem-manuf = "samsung";
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mem-type = "ddr3";
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clock-frequency = <800000000>;
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arm-frequency = <900000000>;
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};
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tmu@10060000 {
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samsung,min-temp = <25>;
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samsung,max-temp = <125>;
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samsung,start-warning = <95>;
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samsung,start-tripping = <105>;
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samsung,hw-tripping = <110>;
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samsung,efuse-min-value = <40>;
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samsung,efuse-value = <55>;
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samsung,efuse-max-value = <100>;
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samsung,slope = <274761730>;
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samsung,dc-value = <25>;
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};
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/* MAX77802 is on i2c bus 4 */
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i2c@12ca0000 {
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clock-frequency = <400000>;
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power-regulator@9 {
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compatible = "maxim,max77802-pmic";
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reg = <0x9>;
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};
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};
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i2c@12cd0000 { /* i2c7 */
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clock-frequency = <100000>;
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soundcodec@20 {
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reg = <0x20>;
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compatible = "maxim,max98090-codec";
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};
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edp-lvds-bridge@48 {
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compatible = "parade,ps8625";
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reg = <0x48>;
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};
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};
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sound@3830000 {
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samsung,codec-type = "max98090";
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};
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i2c@12e10000 { /* i2c9 */
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clock-frequency = <400000>;
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tpm@20 {
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compatible = "infineon,slb9645-tpm";
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reg = <0x20>;
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};
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};
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spi@12d30000 { /* spi1 */
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spi-max-frequency = <50000000>;
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firmware_storage_spi: flash@0 {
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reg = <0>;
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/*
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* A region for the kernel to store a panic event
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* which the firmware will add to the log.
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*/
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elog-panic-event-offset = <0x01e00000 0x100000>;
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elog-shrink-size = <0x400>;
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elog-full-threshold = <0xc00>;
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};
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};
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spi@12d40000 { /* spi2 */
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spi-max-frequency = <4000000>;
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spi-deactivate-delay = <200>;
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cros-ec@0 {
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reg = <0>;
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compatible = "google,cros-ec";
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spi-half-duplex;
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spi-max-timeout-ms = <1100>;
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spi-frame-header = <0xec>;
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ec-interrupt = <&gpio 93 1>; /* GPX1_5 */
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/*
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* This describes the flash memory within the EC. Note
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* that the STM32L flash erases to 0, not 0xff.
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*/
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#address-cells = <1>;
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#size-cells = <1>;
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flash@8000000 {
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reg = <0x08000000 0x20000>;
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erase-value = <0>;
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};
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};
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};
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xhci@12000000 {
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samsung,vbus-gpio = <&gpio 0x40 0>; /* H00 */
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};
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xhci@12400000 {
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samsung,vbus-gpio = <&gpio 0x41 0>; /* H01 */
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};
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fimd@14400000 {
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samsung,vl-freq = <60>;
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samsung,vl-col = <1366>;
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samsung,vl-row = <768>;
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samsung,vl-width = <1366>;
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samsung,vl-height = <768>;
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samsung,vl-clkp;
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samsung,vl-dp;
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samsung,vl-bpix = <4>;
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samsung,vl-hspw = <32>;
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samsung,vl-hbpd = <40>;
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samsung,vl-hfpd = <40>;
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samsung,vl-vspw = <6>;
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samsung,vl-vbpd = <10>;
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samsung,vl-vfpd = <12>;
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samsung,vl-cmd-allow-len = <0xf>;
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samsung,winid = <3>;
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samsung,interface-mode = <1>;
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samsung,dp-enabled = <1>;
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samsung,dual-lcd-enabled = <0>;
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};
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};
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