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build/patch/kernel/archive/rockchip64-5.12/general-rockchip-overlays.patch

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diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile
index 6a33eff..60fc91a 100644
--- a/arch/arm64/boot/dts/rockchip/Makefile
+++ b/arch/arm64/boot/dts/rockchip/Makefile
@@ -17,3 +17,5 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-puma-haikou.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-sapphire.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-sapphire-excavator.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399pro-rock-pi-n10.dtb
+
+subdir-y := $(dts-dirs) overlay
diff --git a/arch/arm64/boot/dts/rockchip/overlay/Makefile b/arch/arm64/boot/dts/rockchip/overlay/Makefile
index e69de29..576e190 100644
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/overlay/Makefile
@@ -0,0 +1,22 @@
+# SPDX-License-Identifier: GPL-2.0
+dtbo-$(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
+
+
diff --git a/arch/arm64/boot/dts/rockchip/overlay/README.rockchip-overlays b/arch/arm64/boot/dts/rockchip/overlay/README.rockchip-overlays
index e69de29..9512445 100644
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/overlay/README.rockchip-overlays
@@ -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 (DVP) (SCL, SDA): GPIO2-B0, GPIO2-A7
+
+### i2c8
+
+Activates TWI/I2C bus 8
+
+I2C8 pins (pi-conn) (pi-conn) (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
+
+Parameters:
+
+param_w1_pin (pin)
+ Data pin for 1-Wire master
+ Optional
+ Default: PD14
+
diff --git a/arch/arm64/boot/dts/rockchip/overlay/rockchip-fixup.scr-cmd b/arch/arm64/boot/dts/rockchip/overlay/rockchip-fixup.scr-cmd
new file mode 100644
index 0000000..d4c39e2
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/overlay/rockchip-fixup.scr-cmd
@@ -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
+
diff --git a/arch/arm64/boot/dts/rockchip/overlay/rockchip-i2c7.dts b/arch/arm64/boot/dts/rockchip/overlay/rockchip-i2c7.dts
new file mode 100644
index 0000000..54bc844
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/overlay/rockchip-i2c7.dts
@@ -0,0 +1,11 @@
+/dts-v1/;
+
+/ {
+ compatible = "rockchip,rk3399";
+ fragment@0 {
+ target-path = "/i2c@ff160000";
+ __overlay__ {
+ status = "okay";
+ };
+ };
+};
diff --git a/arch/arm64/boot/dts/rockchip/overlay/rockchip-i2c8.dts b/arch/arm64/boot/dts/rockchip/overlay/rockchip-i2c8.dts
new file mode 100644
index 0000000..54bc844
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/overlay/rockchip-i2c8.dts
@@ -0,0 +1,11 @@
+/dts-v1/;
+
+/ {
+ compatible = "rockchip,rk3399";
+ fragment@0 {
+ target-path = "/i2c@ff3e0000";
+ __overlay__ {
+ status = "okay";
+ };
+ };
+};
diff --git a/arch/arm64/boot/dts/rockchip/overlay/rockchip-pcie-gen2.dts b/arch/arm64/boot/dts/rockchip/overlay/rockchip-pcie-gen2.dts
new file mode 100644
index 0000000..54bc844
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/overlay/rockchip-pcie-gen2.dts
@@ -0,0 +1,12 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+ compatible = "rockchip,rk3399";
+ fragment@0 {
+ target = <&pcie0>;
+ __overlay__ {
+ max-link-speed = <2>;
+ };
+ };
+};
diff --git a/arch/arm64/boot/dts/rockchip/overlay/rockchip-spi-jedec-nor.dts b/arch/arm64/boot/dts/rockchip/overlay/rockchip-spi-jedec-nor.dts
new file mode 100644
index 0000000..3a2be38
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/overlay/rockchip-spi-jedec-nor.dts
@@ -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";
+ };
+ };
+ };
+};
diff --git a/arch/arm64/boot/dts/rockchip/overlay/rockchip-spi-spidev.dts b/arch/arm64/boot/dts/rockchip/overlay/rockchip-spi-spidev.dts
new file mode 100644
index 0000000..fe8fb14
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/overlay/rockchip-spi-spidev.dts
@@ -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 = "spidev";
+ status = "disabled";
+ reg = <0>;
+ spi-max-frequency = <10000000>;
+ };
+ };
+ };
+
+ fragment@2 {
+ target = <&spi1>;
+ __overlay__ {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ spidev {
+ compatible = "spidev";
+ status = "disabled";
+ reg = <0>;
+ spi-max-frequency = <10000000>;
+ };
+ };
+ };
+
+ fragment@3 {
+ target = <&spi2>;
+ __overlay__ {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ spidev {
+ compatible = "spidev";
+ status = "disabled";
+ reg = <0>;
+ spi-max-frequency = <10000000>;
+ };
+ };
+ };
+
+ fragment@4 {
+ target = <&spi3>;
+ __overlay__ {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ spidev {
+ compatible = "spidev";
+ status = "disabled";
+ reg = <0>;
+ spi-max-frequency = <10000000>;
+ };
+ };
+ };
+};
diff --git a/arch/arm64/boot/dts/rockchip/overlay/rockchip-uart4.dts b/arch/arm64/boot/dts/rockchip/overlay/rockchip-uart4.dts
new file mode 100644
index 0000000..fe8fb14
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/overlay/rockchip-uart4.dts
@@ -0,0 +1,20 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+ compatible = "rockchip,rk3399";
+
+ fragment@0 {
+ target = <&spi1>;
+ __overlay__ {
+ status = "disabled";
+ };
+ };
+
+ fragment@1 {
+ target = <&uart4>;
+ __overlay__ {
+ status = "okay";
+ };
+ };
+};
diff --git a/arch/arm64/boot/dts/rockchip/overlay/rockchip-dwc3-0-host.dts b/arch/arm64/boot/dts/rockchip/overlay/rockchip-dwc3-0-host.dts
new file mode 100644
index 0000000..abcd123
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/overlay/rockchip-dwc3-0-host.dts
@@ -0,0 +1,13 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+ compatible = "rockchip,rk3399";
+
+ fragment@0 {
+ target = <&usbdrd_dwc3_0>;
+ __overlay__ {
+ dr_mode = "host";
+ };
+ };
+};
diff --git a/arch/arm64/boot/dts/rockchip/overlay/rockchip-w1-gpio.dts b/arch/arm64/boot/dts/rockchip/overlay/rockchip-w1-gpio.dts
new file mode 100644
index 0000000..bfbc16a
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/overlay/rockchip-w1-gpio.dts
@@ -0,0 +1,20 @@
+// Definitions for w1-gpio module (without external pullup)
+/dts-v1/;
+/plugin/;
+
+/ {
+ compatible = "rockchip,rk3399";
+
+ fragment@0 {
+ target-path = "/";
+ __overlay__ {
+
+ w1: onewire@0 {
+ compatible = "w1-gpio";
+ pinctrl-names = "default";
+ gpios = <&gpio1 4 0 0xae>; // GPIO1_A4
+ status = "okay";
+ };
+ };
+ };
+};
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 26e6af4..65b9435 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -65,6 +65,9 @@ real-objs-m := $(foreach m, $(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)
extra-y += $(dtb-y)
extra-$(CONFIG_OF_ALL_DTBS) += $(dtb-)
+# Overlay targets
+extra-y += $(dtbo-y) $(scr-y) $(dtbotxt-y)
+
# Add subdir path
extra-y := $(addprefix $(obj)/,$(extra-y))
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