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Original-Subject: [ARCHEOLOGY] add overlays framework for rockchip
> X-Git-Archeology: - Revision 677cf44f4620e11ff573257551c8231eceee1d4b: armbian/build@677cf44
> X-Git-Archeology:   Date: Wed, 05 Dec 2018 15:00:44 -0500
> X-Git-Archeology:   From: Martin Ayotte <martinayotte@yahoo.ca>
> X-Git-Archeology:   Subject: add overlays framework for rockchip
> X-Git-Archeology: 
> X-Git-Archeology: - Revision 40ab5ee22b0055e2a67a73bdcda94217d23fe2a0: armbian/build@40ab5ee
> X-Git-Archeology:   Date: Fri, 07 Dec 2018 16:23:35 -0500
> X-Git-Archeology:   From: Martin Ayotte <martinayotte@yahoo.ca>
> X-Git-Archeology:   Subject: add W1-GPIO overlay to rockchip64
> X-Git-Archeology: 
> X-Git-Archeology: - Revision 5a7e35d59d385c4adb5c4bfd605211e59e72939e: armbian/build@5a7e35d
> X-Git-Archeology:   Date: Tue, 05 Mar 2019 20:19:58 -0500
> X-Git-Archeology:   From: Martin Ayotte <martinayotte@yahoo.ca>
> X-Git-Archeology:   Subject: add rockchip-spi-spidev overlay
> X-Git-Archeology: 
> X-Git-Archeology: - Revision 4722859bc1da10dc59f38615ef1683f9334412ac: armbian/build@4722859
> X-Git-Archeology:   Date: Tue, 05 Mar 2019 20:28:25 -0500
> X-Git-Archeology:   From: Martin Ayotte <martinayotte@yahoo.ca>
> X-Git-Archeology:   Subject: fix spi-spidev pins in README
> X-Git-Archeology: 
> X-Git-Archeology: - Revision e4e34c7f15b33a3a186033a0c40555c208f035ee: armbian/build@e4e34c7
> X-Git-Archeology:   Date: Wed, 06 Mar 2019 17:34:59 -0500
> X-Git-Archeology:   From: Martin Ayotte <martinayotte@yahoo.ca>
> X-Git-Archeology:   Subject: add param_w1_pin management to rockchip-fixup.scr
> X-Git-Archeology: 
> X-Git-Archeology: - Revision 85285a492e203c26cf0704ac8c08dbf7e59127df: armbian/build@85285a4
> X-Git-Archeology:   Date: Sun, 10 Mar 2019 09:27:53 -0400
> X-Git-Archeology:   From: Martin Ayotte <martinayotte@yahoo.ca>
> X-Git-Archeology:   Subject: add I2C7 overlay
> X-Git-Archeology: 
> X-Git-Archeology: - Revision eda653ae254c43b548889157171ce0873c918426: armbian/build@eda653a
> X-Git-Archeology:   Date: Sun, 10 Mar 2019 11:38:07 -0400
> X-Git-Archeology:   From: Martin Ayotte <martinayotte@yahoo.ca>
> X-Git-Archeology:   Subject: fix typo in README overlays
> X-Git-Archeology: 
> X-Git-Archeology: - Revision 2e3a338d481b1637b7ff55d52e43612791e6d23a: armbian/build@2e3a338
> X-Git-Archeology:   Date: Thu, 20 Jun 2019 10:11:25 -0400
> X-Git-Archeology:   From: Martin Ayotte <martinayotte@yahoo.ca>
> X-Git-Archeology:   Subject: fix SPIs registers in overlays
> X-Git-Archeology: 
> X-Git-Archeology: - Revision 5ae502fa0af30f1edc089c76ecc698887acc8c5e: armbian/build@5ae502f
> X-Git-Archeology:   Date: Sun, 21 Jul 2019 13:24:42 +0200
> X-Git-Archeology:   From: Piotr Szczepanik <piotr.szczepanik@allegro.pl>
> X-Git-Archeology:   Subject: [rockchip64-dev] UART4 activating overlay
> X-Git-Archeology: 
> X-Git-Archeology: - Revision 6dceae89ce35a4f7145003ddbcc9a53ed8999ff8: armbian/build@6dceae8
> X-Git-Archeology:   Date: Mon, 22 Jul 2019 10:08:41 -0400
> X-Git-Archeology:   From: Martin Ayotte <martinayotte@yahoo.ca>
> X-Git-Archeology:   Subject: swap fragments order in UART4 overlay
> X-Git-Archeology: 
> X-Git-Archeology: - Revision f0d3670ff9a2bc148ee4f7762c3ea7a6da04860d: armbian/build@f0d3670
> X-Git-Archeology:   Date: Tue, 23 Jul 2019 12:31:18 -0400
> X-Git-Archeology:   From: Martin Ayotte <martinayotte@yahoo.ca>
> X-Git-Archeology:   Subject: fix typo in UART4 overlay
> X-Git-Archeology: 
> X-Git-Archeology: - Revision fadde96f2b0a0221b9e7abe7efe7f94377f3e651: armbian/build@fadde96
> X-Git-Archeology:   Date: Wed, 24 Jul 2019 17:41:52 -0400
> X-Git-Archeology:   From: Martin Ayotte <martinayotte@yahoo.ca>
> X-Git-Archeology:   Subject: fix SPIDEV overlay and add SPI-JEDEC-NOR overlay
> X-Git-Archeology: 
> X-Git-Archeology: - Revision 776a5e7eb265d0fb62f2dec2ae99b684a11db5ea: armbian/build@776a5e7
> X-Git-Archeology:   Date: Wed, 24 Jul 2019 17:43:52 -0400
> X-Git-Archeology:   From: Martin Ayotte <martinayotte@yahoo.ca>
> X-Git-Archeology:   Subject: fix SPI default spi-max-frequency
> X-Git-Archeology: 
> X-Git-Archeology: - Revision b3bb9345439250d8247f0e24a8e1ef6290b2c279: armbian/build@b3bb934
> X-Git-Archeology:   Date: Mon, 18 Nov 2019 18:23:10 +0100
> X-Git-Archeology:   From: Piotr Szczepanik <piter75@gmail.com>
> X-Git-Archeology:   Subject: Rock Pi 4 enable PCIe in device tree for "dev" target (#1624)
> X-Git-Archeology: 
> X-Git-Archeology: - Revision 150ac0c2afa147d9e3b036c8ecd8238fe5648cf3: armbian/build@150ac0c
> X-Git-Archeology:   Date: Tue, 19 Nov 2019 23:25:39 +0100
> X-Git-Archeology:   From: Igor Pecovnik <igorpecovnik@users.noreply.github.com>
> X-Git-Archeology:   Subject: Remove K<4, change branches, new features (#1586)
> X-Git-Archeology: 
> X-Git-Archeology: - Revision 812245def37a695bce9e7ece148b2920d82c8b37: armbian/build@812245d
> X-Git-Archeology:   Date: Sat, 18 Jul 2020 23:07:01 +0200
> X-Git-Archeology:   From: Werner <EvilOlaf@users.noreply.github.com>
> X-Git-Archeology:   Subject: Move rockchip/64 current to 5.7.y (#2099)
> X-Git-Archeology: 
> X-Git-Archeology: - Revision e36ce875b025e112127cf8cc2d34825ebfe36569: armbian/build@e36ce87
> X-Git-Archeology:   Date: Tue, 10 Nov 2020 21:43:13 +0100
> X-Git-Archeology:   From: Piotr Szczepanik <piter75@gmail.com>
> X-Git-Archeology:   Subject: Switched rockchip64-current to linux 5.9.y (#2309)
> X-Git-Archeology: 
> X-Git-Archeology: - Revision 0cdffb29b07305209efb12cf3b5ac6032d3a1153: armbian/build@0cdffb2
> X-Git-Archeology:   Date: Wed, 24 Mar 2021 19:01:53 +0100
> X-Git-Archeology:   From: Igor Pecovnik <igorpecovnik@users.noreply.github.com>
> X-Git-Archeology:   Subject: Renaming DEV branch to EDGE (#2704)
> X-Git-Archeology: 
> X-Git-Archeology: - Revision e7377248b3cae186e24e2be781cd3365b43246f0: armbian/build@e737724
> X-Git-Archeology:   Date: Thu, 22 Jul 2021 00:15:54 +0200
> X-Git-Archeology:   From: Igor Pecovnik <igorpecovnik@users.noreply.github.com>
> X-Git-Archeology:   Subject: Second part of EDGE bumping to 5.13.y (#3045)
> X-Git-Archeology: 
> X-Git-Archeology: - Revision 744ea89a589d62cb6f409baab60fc6664520bc39: armbian/build@744ea89
> X-Git-Archeology:   Date: Wed, 08 Sep 2021 17:51:34 +0200
> X-Git-Archeology:   From: Igor Pecovnik <igorpecovnik@users.noreply.github.com>
> X-Git-Archeology:   Subject: Bumping EDGE kernel to 5.14.y (#3125)
> X-Git-Archeology: 
> X-Git-Archeology: - Revision 6b490e16944b30ff69bf9c13678905187df0d9d4: armbian/build@6b490e1
> X-Git-Archeology:   Date: Tue, 11 Jan 2022 15:26:11 +0100
> X-Git-Archeology:   From: Oleg <balbes-150@yandex.ru>
> X-Git-Archeology:   Subject: move kernel edge to 5.16 (#3387)
> X-Git-Archeology: 
> X-Git-Archeology: - Revision 27771d0e8a7f512dbcf10cbca8e88eedd47d1b55: armbian/build@27771d0
> X-Git-Archeology:   Date: Thu, 17 Feb 2022 22:06:54 +0100
> X-Git-Archeology:   From: Leif <akhepcat@users.noreply.github.com>
> X-Git-Archeology:   Subject: Remove incorrectly duplicated GPIO pins from I2C7, name I2C7/I2C8 bus, from README.rockchip-overlays (#3495)
> X-Git-Archeology: 
> X-Git-Archeology: - Revision ac8fc4385594d59257ee9dffd9efa85e3497fa7d: armbian/build@ac8fc43
> X-Git-Archeology:   Date: Sat, 26 Feb 2022 07:46:44 +0100
> X-Git-Archeology:   From: Piotr Szczepanik <piter75@gmail.com>
> X-Git-Archeology:   Subject: Switch rockchip64 current to linux 5.15.y (#3489)
> X-Git-Archeology: 
> X-Git-Archeology: - Revision 897674aa74bce0326ed7fe06f5336bf4709a8a1f: armbian/build@897674a
> X-Git-Archeology:   Date: Tue, 03 May 2022 08:27:32 +0200
> X-Git-Archeology:   From: Igor Pecovnik <igorpecovnik@users.noreply.github.com>
> X-Git-Archeology:   Subject: Bump and freeze kernel at last known working versions (#3736)
> X-Git-Archeology: 
> X-Git-Archeology: - Revision 597d2dac11f00d9070a4e49d6bad1b2244e36cb3: armbian/build@597d2da
> X-Git-Archeology:   Date: Sat, 28 May 2022 07:56:22 +0200
> X-Git-Archeology:   From: Jianfeng Liu <liujianfeng1994@gmail.com>
> X-Git-Archeology:   Subject: update rockchip64-edge to 5.18 (#3814)
> X-Git-Archeology: 
> X-Git-Archeology: - Revision 8c6641e7b79f0d50acdc306d140e586a4e923cf0: armbian/build@8c6641e
> X-Git-Archeology:   Date: Wed, 03 Aug 2022 22:22:55 +0200
> X-Git-Archeology:   From: Jianfeng Liu <liujianfeng1994@gmail.com>
> X-Git-Archeology:   Subject: update rockchip64 edge to 5.19 (#4039)
> X-Git-Archeology: 
> X-Git-Archeology: - Revision 6765f734cc4a22aeaa9f99a3ad28c8c322de26f6: armbian/build@6765f73
> X-Git-Archeology:   Date: Tue, 25 Oct 2022 11:26:51 +0200
> X-Git-Archeology:   From: Igor Pecovnik <igorpecovnik@users.noreply.github.com>
> X-Git-Archeology:   Subject: Bump rockchip64 edge to 6.0.y (#4337)
> X-Git-Archeology: 
> X-Git-Archeology: - Revision 834fab09d0ca6fd6aa353b294011b8ca9dc00c1c: armbian/build@834fab0
> X-Git-Archeology:   Date: Wed, 16 Nov 2022 18:39:47 +0100
> X-Git-Archeology:   From: Ricardo Pardini <ricardo@pardini.net>
> X-Git-Archeology:   Subject: `armbian,spi-dev` hacks also for rockchip64-5.18, .19, and 6.0.y (#4450)
> X-Git-Archeology: 
> X-Git-Archeology: - Revision 92f1a22d76b987afa7ba555d5b509adc51d689e7: armbian/build@92f1a22
> X-Git-Archeology:   Date: Fri, 16 Dec 2022 13:38:13 +0100
> X-Git-Archeology:   From: Igor Pecovnik <igorpecovnik@users.noreply.github.com>
> X-Git-Archeology:   Subject: Re-add rockchip64 6.0 patches (#4575)
> X-Git-Archeology: 
> X-Git-Archeology: - Revision 34ae84fac5d0b66a1ab2d1e51534b7beb13ef245: armbian/build@34ae84f
> X-Git-Archeology:   Date: Fri, 05 May 2023 14:22:00 +0200
> X-Git-Archeology:   From: amazingfate <liujianfeng1994@gmail.com>
> X-Git-Archeology:   Subject: bump rockchip64 edge to v6.3
> X-Git-Archeology: 
X-Armbian: Patch-File: general-rockchip-overlays
X-Armbian: Patch-File-Counter: 1
X-Armbian: Patch-Rel-Directory: patch/kernel/archive/rockchip64-6.3
X-Armbian: Patch-Type: kernel
X-Armbian: Patch-Root-Type: core
X-Armbian: Patch-Sub-Type: common
X-Armbian: Original-Subject: [ARCHEOLOGY] add overlays framework for rockchip
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martinayotte authored and Armbian AutoPatcher committed Dec 5, 2018
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2 changes: 2 additions & 0 deletions arch/arm64/boot/dts/rockchip/Makefile
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Expand Up @@ -110,3 +110,5 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-edgeble-neu6a-io.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-evb1-v10.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-rock-5b.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588s-rock-5a.dtb

subdir-y := $(dts-dirs) overlay
22 changes: 22 additions & 0 deletions arch/arm64/boot/dts/rockchip/overlay/Makefile
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@@ -0,0 +1,22 @@
# SPDX-License-Identifier: GPL-2.0
dtbo-$(CONFIG_ARCH_ROCKCHIP) += \
rockchip-i2c7.dtbo \
rockchip-i2c8.dtbo \
rockchip-pcie-gen2.dtbo \
rockchip-spi-jedec-nor.dtbo \
rockchip-spi-spidev.dtbo \
rockchip-uart4.dtbo \
rockchip-dwc3-0-host.dtbo \
rockchip-w1-gpio.dtbo

scr-$(CONFIG_ARCH_ROCKCHIP) += \
rockchip-fixup.scr

dtbotxt-$(CONFIG_ARCH_ROCKCHIP) += \
README.rockchip-overlays

targets += $(dtbo-y) $(scr-y) $(dtbotxt-y)

always := $(dtbo-y) $(scr-y) $(dtbotxt-y)
clean-files := *.dtbo *.scr

106 changes: 106 additions & 0 deletions arch/arm64/boot/dts/rockchip/overlay/README.rockchip-overlays
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@@ -0,0 +1,106 @@
This document describes overlays provided in the kernel packages
For generic Armbian overlays documentation please see
https://docs.armbian.com/User-Guide_Allwinner_overlays/

### Platform:

rockchip (Rockchip)

### Provided overlays:

- i2c7, i2c8, pcie-gen2, spi-spidev, uart4, w1-gpio

### Overlay details:

### i2c7

Activates TWI/I2C bus 7

I2C7 pins (SCL, SDA): GPIO2-B0, GPIO2-A7 GPIO1-C5, GPIO1-C4

### i2c8

Activates TWI/I2C bus 8

I2C8 pins (SCL, SDA): GPIO1-C5, GPIO1-C4

### pcie-gen2

Enables PCIe Gen2 link speed on RK3399.
WARNING! Not officially supported by Rockchip!!!

### spi-jedec-nor

Activates MTD support for JEDEC compatible SPI NOR flash chips on SPI bus
supported by the kernel SPI NOR driver

SPI 0 pins (MOSI, MISO, SCK, CS): GPIO3_A5, GPIO3_A4, GPIO3_A6, GPIO3_A7
SPI 1 pins (MOSI, MISO, SCK, CS): GPIO1_A7, GPIO1_B0, GPIO1_B1, GPIO1_B2
SPI 2 pins (MOSI, MISO, SCK, CS): GPIO1_C0, GPIO1_B7, GPIO1_C1, GPIO1_C2
SPI 3 pins (MOSI, MISO, SCK, CS): GPIO2_B2, GPIO2_B1, GPIO2_B3, GPIO2_B4

Parameters:

param_spinor_spi_bus (int)
SPI bus to activate SPI NOR flash support on
Required
Supported values: 0, 1, 2

param_spinor_max_freq (int)
Maximum SPI frequency
Optional
Default: 1000000
Range: 3000 - 100000000

### spi-spidev

Activates SPIdev device node (/dev/spidevX.Y) for userspace SPI access,
where X is the bus number and Y is the CS number

SPI 0 pins (MOSI, MISO, SCK, CS): GPIO3_A5, GPIO3_A4, GPIO3_A6, GPIO3_A7
SPI 1 pins (MOSI, MISO, SCK, CS): GPIO1_A7, GPIO1_B0, GPIO1_B1, GPIO1_B2
SPI 2 pins (MOSI, MISO, SCK, CS): GPIO1_C0, GPIO1_B7, GPIO1_C1, GPIO1_C2
SPI 3 pins (MOSI, MISO, SCK, CS): GPIO2_B2, GPIO2_B1, GPIO2_B3, GPIO2_B4

Parameters:

param_spidev_spi_bus (int)
SPI bus to activate SPIdev support on
Required
Supported values: 0, 1

param_spidev_spi_cs (int)
SPI chip select number
Optional
Default: 0
Supported values: 0, 1
Using chip select 1 requires using "spi-add-cs1" overlay

param_spidev_max_freq (int)
Maximum SPIdev frequency
Optional
Default: 1000000
Range: 3000 - 100000000

### uart4

Activates UART4

UART4 pins (RX, TX): GPIO1_A7, GPIO1_B0

Notice: UART4 cannot be activated together with SPI1 - they share the sam pins.
Enabling this overlay disables SPI1.

### dwc3-0-host

Forces port 0 of the DesignWare xHCI controller to host mode.

This can be used on plaforms such as NanoPC-T4, where devices plugged into the
USB-C port may not be detected otherwise.

### w1-gpio

Activates 1-Wire GPIO master
Requires an external pull-up resistor on the data pin
or enabling the internal pull-up

13 changes: 13 additions & 0 deletions arch/arm64/boot/dts/rockchip/overlay/rockchip-dwc3-0-host.dts
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@@ -0,0 +1,13 @@
/dts-v1/;
/plugin/;

/ {
compatible = "rockchip,rk3399";

fragment@0 {
target = <&usbdrd_dwc3_0>;
__overlay__ {
dr_mode = "host";
};
};
};
62 changes: 62 additions & 0 deletions arch/arm64/boot/dts/rockchip/overlay/rockchip-fixup.scr-cmd
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@@ -0,0 +1,62 @@
# overlays fixup script
# implements (or rather substitutes) overlay arguments functionality
# using u-boot scripting, environment variables and "fdt" command

setenv decompose_pin 'setexpr tmp_pinctrl sub "GPIO(0|1|2|3|4)_\\S\\d+" "\\1";
setexpr tmp_bank sub "GPIO\\d_(\\S)\\d+" "\\1";
test "${tmp_bank}" = "A" && setenv tmp_bank 0;
test "${tmp_bank}" = "B" && setenv tmp_bank 1;
test "${tmp_bank}" = "C" && setenv tmp_bank 2;
test "${tmp_bank}" = "D" && setenv tmp_bank 3;
setexpr tmp_pin sub "GPIO\\d_\\S(\\d+)" "\\1";
setexpr tmp_bank ${tmp_bank} * 8;
setexpr tmp_pin ${tmp_bank} + ${tmp_pin}'


if test -n "${param_spinor_spi_bus}"; then
test "${param_spinor_spi_bus}" = "0" && setenv tmp_spi_path "spi@ff1c0000"
test "${param_spinor_spi_bus}" = "1" && setenv tmp_spi_path "spi@ff1d0000"
test "${param_spinor_spi_bus}" = "2" && setenv tmp_spi_path "spi@ff1e0000"
test "${param_spinor_spi_bus}" = "3" && setenv tmp_spi_path "spi@ff1f0000"
fdt set /${tmp_spi_path} status "okay"
fdt set /${tmp_spi_path}/spiflash@0 status "okay"
if test -n "${param_spinor_max_freq}"; then
fdt set /${tmp_spi_path}/spiflash@0 spi-max-frequency "<${param_spinor_max_freq}>"
fi
if test "${param_spinor_spi_cs}" = "1"; then
fdt set /${tmp_spi_path}/spiflash@0 reg "<1>"
fi
env delete tmp_spi_path
fi

if test -n "${param_spidev_spi_bus}"; then
test "${param_spidev_spi_bus}" = "0" && setenv tmp_spi_path "spi@ff1c0000"
test "${param_spidev_spi_bus}" = "1" && setenv tmp_spi_path "spi@ff1d0000"
test "${param_spidev_spi_bus}" = "2" && setenv tmp_spi_path "spi@ff1e0000"
test "${param_spidev_spi_bus}" = "3" && setenv tmp_spi_path "spi@ff1f0000"
fdt set /${tmp_spi_path} status "okay"
fdt set /${tmp_spi_path}/spidev status "okay"
if test -n "${param_spidev_max_freq}"; then
fdt set /${tmp_spi_path}/spidev spi-max-frequency "<${param_spidev_max_freq}>"
fi
if test "${param_spidev_spi_cs}" = "1"; then
fdt set /${tmp_spi_path}/spidev reg "<1>";
fi
fi

if test -n "${param_w1_pin}"; then
setenv tmp_pinctrl "${param_w1_pin}"
setenv tmp_bank "${param_w1_pin}"
setenv tmp_pin "${param_w1_pin}"
run decompose_pin
#echo "${param_w1_pin} ---> pinctrl = ${tmp_pinctrl}"
#echo "${param_w1_pin} ---> bank = ${tmp_bank}"
#echo "${param_w1_pin} ---> pin = ${tmp_pin}"
fdt get value tmp_pinctrl /__symbols__ gpio${tmp_pinctrl}
#echo "${param_w1_pin} ---> tmp_pinctrl = ${tmp_pinctrl}"
fdt get value tmp_phandle ${tmp_pinctrl} phandle
#echo "${param_w1_pin} ---> tmp_phandle = ${tmp_phandle}"
fdt set /onewire@0 gpios "<${tmp_phandle} 0x000000${tmp_pin} 0 0>"
env delete tmp_pinctrl tmp_bank tmp_pin tmp_phandle
fi

11 changes: 11 additions & 0 deletions arch/arm64/boot/dts/rockchip/overlay/rockchip-i2c7.dts
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@@ -0,0 +1,11 @@
/dts-v1/;

/ {
compatible = "rockchip,rk3399";
fragment@0 {
target-path = "/i2c@ff160000";
__overlay__ {
status = "okay";
};
};
};
11 changes: 11 additions & 0 deletions arch/arm64/boot/dts/rockchip/overlay/rockchip-i2c8.dts
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@@ -0,0 +1,11 @@
/dts-v1/;

/ {
compatible = "rockchip,rk3399";
fragment@0 {
target-path = "/i2c@ff3e0000";
__overlay__ {
status = "okay";
};
};
};
12 changes: 12 additions & 0 deletions arch/arm64/boot/dts/rockchip/overlay/rockchip-pcie-gen2.dts
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@@ -0,0 +1,12 @@
/dts-v1/;
/plugin/;

/ {
compatible = "rockchip,rk3399";
fragment@0 {
target = <&pcie0>;
__overlay__ {
max-link-speed = <2>;
};
};
};
72 changes: 72 additions & 0 deletions arch/arm64/boot/dts/rockchip/overlay/rockchip-spi-jedec-nor.dts
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@@ -0,0 +1,72 @@
/dts-v1/;
/plugin/;

/ {
compatible = "rockchip,rk3399";

fragment@0 {
target-path = "/aliases";
__overlay__ {
spi0 = "/spi@ff1c0000";
spi1 = "/spi@ff1d0000";
spi2 = "/spi@ff1e0000";
spi3 = "/spi@ff1f0000";
};
};

fragment@1 {
target = <&spi0>;
__overlay__ {
#address-cells = <1>;
#size-cells = <0>;
spiflash@0 {
compatible = "jedec,spi-nor";
reg = <0>;
spi-max-frequency = <10000000>;
status = "disabled";
};
};
};

fragment@2 {
target = <&spi1>;
__overlay__ {
#address-cells = <1>;
#size-cells = <0>;
spiflash@0 {
compatible = "jedec,spi-nor";
reg = <0>;
spi-max-frequency = <10000000>;
status = "disabled";
};
};
};

fragment@3 {
target = <&spi2>;
__overlay__ {
#address-cells = <1>;
#size-cells = <0>;
spiflash@0 {
compatible = "jedec,spi-nor";
reg = <0>;
spi-max-frequency = <10000000>;
status = "disabled";
};
};
};

fragment@4 {
target = <&spi3>;
__overlay__ {
#address-cells = <1>;
#size-cells = <0>;
spiflash@0 {
compatible = "jedec,spi-nor";
reg = <0>;
spi-max-frequency = <10000000>;
status = "disabled";
};
};
};
};
72 changes: 72 additions & 0 deletions arch/arm64/boot/dts/rockchip/overlay/rockchip-spi-spidev.dts
View file
@@ -0,0 +1,72 @@
/dts-v1/;
/plugin/;

/ {
compatible = "rockchip,rk3399";

fragment@0 {
target-path = "/aliases";
__overlay__ {
spi0 = "/spi@ff1c0000";
spi1 = "/spi@ff1d0000";
spi2 = "/spi@ff1e0000";
spi3 = "/spi@ff1f0000";
};
};

fragment@1 {
target = <&spi0>;
__overlay__ {
#address-cells = <1>;
#size-cells = <0>;
spidev {
compatible = "armbian,spi-dev";
status = "disabled";
reg = <0>;
spi-max-frequency = <10000000>;
};
};
};

fragment@2 {
target = <&spi1>;
__overlay__ {
#address-cells = <1>;
#size-cells = <0>;
spidev {
compatible = "armbian,spi-dev";
status = "disabled";
reg = <0>;
spi-max-frequency = <10000000>;
};
};
};

fragment@3 {
target = <&spi2>;
__overlay__ {
#address-cells = <1>;
#size-cells = <0>;
spidev {
compatible = "armbian,spi-dev";
status = "disabled";
reg = <0>;
spi-max-frequency = <10000000>;
};
};
};

fragment@4 {
target = <&spi3>;
__overlay__ {
#address-cells = <1>;
#size-cells = <0>;
spidev {
compatible = "armbian,spi-dev";
status = "disabled";
reg = <0>;
spi-max-frequency = <10000000>;
};
};
};
};

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