518 lines
13 KiB
Diff
518 lines
13 KiB
Diff
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diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile
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index 6a33eff..60fc91a 100644
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--- a/arch/arm64/boot/dts/rockchip/Makefile
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+++ b/arch/arm64/boot/dts/rockchip/Makefile
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@@ -66,3 +66,5 @@
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dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-station-p1.dtb
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dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399pro-rock-pi-n10.dtb
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dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-evb1-v10.dtb
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+
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+subdir-y := $(dts-dirs) overlay
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diff --git a/arch/arm64/boot/dts/rockchip/overlay/Makefile b/arch/arm64/boot/dts/rockchip/overlay/Makefile
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index e69de29..576e190 100644
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--- /dev/null
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+++ b/arch/arm64/boot/dts/rockchip/overlay/Makefile
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@@ -0,0 +1,22 @@
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+# SPDX-License-Identifier: GPL-2.0
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+dtbo-$(CONFIG_ARCH_ROCKCHIP) += \
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+ rockchip-i2c7.dtbo \
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+ rockchip-i2c8.dtbo \
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+ rockchip-pcie-gen2.dtbo \
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+ rockchip-spi-jedec-nor.dtbo \
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+ rockchip-spi-spidev.dtbo \
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+ rockchip-uart4.dtbo \
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+ rockchip-dwc3-0-host.dtbo \
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+ rockchip-w1-gpio.dtbo
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+
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+scr-$(CONFIG_ARCH_ROCKCHIP) += \
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+ rockchip-fixup.scr
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+
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+dtbotxt-$(CONFIG_ARCH_ROCKCHIP) += \
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+ README.rockchip-overlays
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+
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+targets += $(dtbo-y) $(scr-y) $(dtbotxt-y)
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+
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+always := $(dtbo-y) $(scr-y) $(dtbotxt-y)
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+clean-files := *.dtbo *.scr
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+
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+
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diff --git a/arch/arm64/boot/dts/rockchip/overlay/README.rockchip-overlays b/arch/arm64/boot/dts/rockchip/overlay/README.rockchip-overlays
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index e69de29..9512445 100644
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--- /dev/null
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+++ b/arch/arm64/boot/dts/rockchip/overlay/README.rockchip-overlays
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@@ -0,0 +1,106 @@
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+This document describes overlays provided in the kernel packages
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+For generic Armbian overlays documentation please see
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+https://docs.armbian.com/User-Guide_Allwinner_overlays/
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+
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+### Platform:
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+
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+rockchip (Rockchip)
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+
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+### Provided overlays:
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+
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+- i2c7, i2c8, pcie-gen2, spi-spidev, uart4, w1-gpio
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+
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+### Overlay details:
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+
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+### i2c7
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+
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+Activates TWI/I2C bus 7
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+
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+I2C7 pins (SCL, SDA): GPIO2-B0, GPIO2-A7 GPIO1-C5, GPIO1-C4
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+
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+### i2c8
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+
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+Activates TWI/I2C bus 8
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+
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+I2C8 pins (SCL, SDA): GPIO1-C5, GPIO1-C4
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+
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+### pcie-gen2
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+
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+Enables PCIe Gen2 link speed on RK3399.
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+WARNING! Not officially supported by Rockchip!!!
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+
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+### spi-jedec-nor
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+
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+Activates MTD support for JEDEC compatible SPI NOR flash chips on SPI bus
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+supported by the kernel SPI NOR driver
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+
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+SPI 0 pins (MOSI, MISO, SCK, CS): GPIO3_A5, GPIO3_A4, GPIO3_A6, GPIO3_A7
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+SPI 1 pins (MOSI, MISO, SCK, CS): GPIO1_A7, GPIO1_B0, GPIO1_B1, GPIO1_B2
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+SPI 2 pins (MOSI, MISO, SCK, CS): GPIO1_C0, GPIO1_B7, GPIO1_C1, GPIO1_C2
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+SPI 3 pins (MOSI, MISO, SCK, CS): GPIO2_B2, GPIO2_B1, GPIO2_B3, GPIO2_B4
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+
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+Parameters:
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+
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+param_spinor_spi_bus (int)
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+ SPI bus to activate SPI NOR flash support on
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+ Required
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+ Supported values: 0, 1, 2
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+
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+param_spinor_max_freq (int)
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+ Maximum SPI frequency
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+ Optional
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+ Default: 1000000
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+ Range: 3000 - 100000000
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+
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+### spi-spidev
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+
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+Activates SPIdev device node (/dev/spidevX.Y) for userspace SPI access,
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+where X is the bus number and Y is the CS number
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+
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+SPI 0 pins (MOSI, MISO, SCK, CS): GPIO3_A5, GPIO3_A4, GPIO3_A6, GPIO3_A7
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+SPI 1 pins (MOSI, MISO, SCK, CS): GPIO1_A7, GPIO1_B0, GPIO1_B1, GPIO1_B2
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+SPI 2 pins (MOSI, MISO, SCK, CS): GPIO1_C0, GPIO1_B7, GPIO1_C1, GPIO1_C2
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+SPI 3 pins (MOSI, MISO, SCK, CS): GPIO2_B2, GPIO2_B1, GPIO2_B3, GPIO2_B4
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+
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+Parameters:
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+
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+param_spidev_spi_bus (int)
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+ SPI bus to activate SPIdev support on
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+ Required
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+ Supported values: 0, 1
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+
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+param_spidev_spi_cs (int)
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+ SPI chip select number
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+ Optional
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+ Default: 0
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+ Supported values: 0, 1
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+ Using chip select 1 requires using "spi-add-cs1" overlay
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+
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+param_spidev_max_freq (int)
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+ Maximum SPIdev frequency
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+ Optional
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+ Default: 1000000
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+ Range: 3000 - 100000000
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+
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+### uart4
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+
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+Activates UART4
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+
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+UART4 pins (RX, TX): GPIO1_A7, GPIO1_B0
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+
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+Notice: UART4 cannot be activated together with SPI1 - they share the sam pins.
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+Enabling this overlay disables SPI1.
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+
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+### dwc3-0-host
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+
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+Forces port 0 of the DesignWare xHCI controller to host mode.
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+
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+This can be used on plaforms such as NanoPC-T4, where devices plugged into the
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+USB-C port may not be detected otherwise.
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+
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+### w1-gpio
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+
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+Activates 1-Wire GPIO master
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+Requires an external pull-up resistor on the data pin
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+or enabling the internal pull-up
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+
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+Parameters:
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+
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+param_w1_pin (pin)
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+ Data pin for 1-Wire master
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+ Optional
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+ Default: PD14
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+
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diff --git a/arch/arm64/boot/dts/rockchip/overlay/rockchip-fixup.scr-cmd b/arch/arm64/boot/dts/rockchip/overlay/rockchip-fixup.scr-cmd
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new file mode 100644
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index 0000000..d4c39e2
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--- /dev/null
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+++ b/arch/arm64/boot/dts/rockchip/overlay/rockchip-fixup.scr-cmd
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@@ -0,0 +1,62 @@
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+# overlays fixup script
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+# implements (or rather substitutes) overlay arguments functionality
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+# using u-boot scripting, environment variables and "fdt" command
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+
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+setenv decompose_pin 'setexpr tmp_pinctrl sub "GPIO(0|1|2|3|4)_\\S\\d+" "\\1";
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+setexpr tmp_bank sub "GPIO\\d_(\\S)\\d+" "\\1";
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+test "${tmp_bank}" = "A" && setenv tmp_bank 0;
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+test "${tmp_bank}" = "B" && setenv tmp_bank 1;
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+test "${tmp_bank}" = "C" && setenv tmp_bank 2;
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+test "${tmp_bank}" = "D" && setenv tmp_bank 3;
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+setexpr tmp_pin sub "GPIO\\d_\\S(\\d+)" "\\1";
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+setexpr tmp_bank ${tmp_bank} * 8;
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+setexpr tmp_pin ${tmp_bank} + ${tmp_pin}'
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+
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+
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+if test -n "${param_spinor_spi_bus}"; then
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+ test "${param_spinor_spi_bus}" = "0" && setenv tmp_spi_path "spi@ff1c0000"
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+ test "${param_spinor_spi_bus}" = "1" && setenv tmp_spi_path "spi@ff1d0000"
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+ test "${param_spinor_spi_bus}" = "2" && setenv tmp_spi_path "spi@ff1e0000"
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+ test "${param_spinor_spi_bus}" = "3" && setenv tmp_spi_path "spi@ff1f0000"
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+ fdt set /${tmp_spi_path} status "okay"
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+ fdt set /${tmp_spi_path}/spiflash@0 status "okay"
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+ if test -n "${param_spinor_max_freq}"; then
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+ fdt set /${tmp_spi_path}/spiflash@0 spi-max-frequency "<${param_spinor_max_freq}>"
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+ fi
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+ if test "${param_spinor_spi_cs}" = "1"; then
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+ fdt set /${tmp_spi_path}/spiflash@0 reg "<1>"
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+ fi
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+ env delete tmp_spi_path
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+fi
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+
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+if test -n "${param_spidev_spi_bus}"; then
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+ test "${param_spidev_spi_bus}" = "0" && setenv tmp_spi_path "spi@ff1c0000"
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+ test "${param_spidev_spi_bus}" = "1" && setenv tmp_spi_path "spi@ff1d0000"
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+ test "${param_spidev_spi_bus}" = "2" && setenv tmp_spi_path "spi@ff1e0000"
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+ test "${param_spidev_spi_bus}" = "3" && setenv tmp_spi_path "spi@ff1f0000"
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+ fdt set /${tmp_spi_path} status "okay"
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+ fdt set /${tmp_spi_path}/spidev status "okay"
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+ if test -n "${param_spidev_max_freq}"; then
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+ fdt set /${tmp_spi_path}/spidev spi-max-frequency "<${param_spidev_max_freq}>"
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+ fi
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+ if test "${param_spidev_spi_cs}" = "1"; then
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+ fdt set /${tmp_spi_path}/spidev reg "<1>";
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+ fi
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+fi
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+
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+if test -n "${param_w1_pin}"; then
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+ setenv tmp_pinctrl "${param_w1_pin}"
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+ setenv tmp_bank "${param_w1_pin}"
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+ setenv tmp_pin "${param_w1_pin}"
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+ run decompose_pin
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+ #echo "${param_w1_pin} ---> pinctrl = ${tmp_pinctrl}"
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+ #echo "${param_w1_pin} ---> bank = ${tmp_bank}"
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+ #echo "${param_w1_pin} ---> pin = ${tmp_pin}"
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+ fdt get value tmp_pinctrl /__symbols__ gpio${tmp_pinctrl}
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+ #echo "${param_w1_pin} ---> tmp_pinctrl = ${tmp_pinctrl}"
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+ fdt get value tmp_phandle ${tmp_pinctrl} phandle
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+ #echo "${param_w1_pin} ---> tmp_phandle = ${tmp_phandle}"
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+ fdt set /onewire@0 gpios "<${tmp_phandle} 0x000000${tmp_pin} 0 0>"
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+ env delete tmp_pinctrl tmp_bank tmp_pin tmp_phandle
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+fi
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+
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diff --git a/arch/arm64/boot/dts/rockchip/overlay/rockchip-i2c7.dts b/arch/arm64/boot/dts/rockchip/overlay/rockchip-i2c7.dts
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new file mode 100644
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index 0000000..54bc844
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--- /dev/null
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+++ b/arch/arm64/boot/dts/rockchip/overlay/rockchip-i2c7.dts
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@@ -0,0 +1,11 @@
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+/dts-v1/;
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+
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+/ {
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+ compatible = "rockchip,rk3399";
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+ fragment@0 {
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+ target-path = "/i2c@ff160000";
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+ __overlay__ {
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+ status = "okay";
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+ };
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+ };
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+};
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diff --git a/arch/arm64/boot/dts/rockchip/overlay/rockchip-i2c8.dts b/arch/arm64/boot/dts/rockchip/overlay/rockchip-i2c8.dts
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new file mode 100644
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index 0000000..54bc844
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--- /dev/null
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+++ b/arch/arm64/boot/dts/rockchip/overlay/rockchip-i2c8.dts
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@@ -0,0 +1,11 @@
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+/dts-v1/;
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+
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+/ {
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+ compatible = "rockchip,rk3399";
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+ fragment@0 {
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+ target-path = "/i2c@ff3e0000";
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+ __overlay__ {
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+ status = "okay";
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+ };
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+ };
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+};
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diff --git a/arch/arm64/boot/dts/rockchip/overlay/rockchip-pcie-gen2.dts b/arch/arm64/boot/dts/rockchip/overlay/rockchip-pcie-gen2.dts
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new file mode 100644
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index 0000000..54bc844
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--- /dev/null
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+++ b/arch/arm64/boot/dts/rockchip/overlay/rockchip-pcie-gen2.dts
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@@ -0,0 +1,12 @@
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+/dts-v1/;
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+/plugin/;
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+
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+/ {
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+ compatible = "rockchip,rk3399";
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+ fragment@0 {
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+ target = <&pcie0>;
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+ __overlay__ {
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+ max-link-speed = <2>;
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+ };
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+ };
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+};
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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
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new file mode 100644
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index 0000000..3a2be38
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--- /dev/null
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+++ b/arch/arm64/boot/dts/rockchip/overlay/rockchip-spi-jedec-nor.dts
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@@ -0,0 +1,72 @@
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+/dts-v1/;
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+/plugin/;
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+
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+/ {
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+ compatible = "rockchip,rk3399";
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+
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+ fragment@0 {
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+ target-path = "/aliases";
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+ __overlay__ {
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+ spi0 = "/spi@ff1c0000";
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+ spi1 = "/spi@ff1d0000";
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+ spi2 = "/spi@ff1e0000";
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+ spi3 = "/spi@ff1f0000";
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+ };
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+ };
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+
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+ fragment@1 {
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+ target = <&spi0>;
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+ __overlay__ {
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+ spiflash@0 {
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+ compatible = "jedec,spi-nor";
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+ reg = <0>;
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+ spi-max-frequency = <10000000>;
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+ status = "disabled";
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+ };
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+ };
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+ };
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+
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+ fragment@2 {
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+ target = <&spi1>;
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+ __overlay__ {
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+ spiflash@0 {
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+ compatible = "jedec,spi-nor";
|
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+ reg = <0>;
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+ spi-max-frequency = <10000000>;
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+ status = "disabled";
|
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+ };
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+ };
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+ };
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+
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+ fragment@3 {
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+ target = <&spi2>;
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+ __overlay__ {
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+ spiflash@0 {
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+ compatible = "jedec,spi-nor";
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+ reg = <0>;
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+ spi-max-frequency = <10000000>;
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+ status = "disabled";
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+ };
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+ };
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+ };
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+
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+ fragment@4 {
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+ target = <&spi3>;
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+ __overlay__ {
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+ spiflash@0 {
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+ compatible = "jedec,spi-nor";
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+ reg = <0>;
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+ spi-max-frequency = <10000000>;
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+ status = "disabled";
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+ };
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+ };
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+ };
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+};
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diff --git a/arch/arm64/boot/dts/rockchip/overlay/rockchip-spi-spidev.dts b/arch/arm64/boot/dts/rockchip/overlay/rockchip-spi-spidev.dts
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new file mode 100644
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index 0000000..fe8fb14
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--- /dev/null
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+++ b/arch/arm64/boot/dts/rockchip/overlay/rockchip-spi-spidev.dts
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@@ -0,0 +1,72 @@
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+/dts-v1/;
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+/plugin/;
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+
|
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+/ {
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+ compatible = "rockchip,rk3399";
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+
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+ fragment@0 {
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+ target-path = "/aliases";
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+ __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))
|