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build/patch/kernel/rk322x-dev/general-add-overlays.patch

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diff --git a/arch/arm/boot/dts/overlay/Makefile b/arch/arm/boot/dts/overlay/Makefile
new file mode 100755
index 000000000..20b3b57f4
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/Makefile
@@ -0,0 +1,21 @@
+# SPDX-License-Identifier: GPL-2.0
+dtbo-$(CONFIG_ARCH_ROCKCHIP) += \
+ rk322x-emmc.dtbo \
+ rk322x-nand.dtbo \
+ rk322x-emmc-nand.dtbo \
+ rk322x-led-conf1.dtbo \
+ rk322x-led-conf2.dtbo \
+ rk322x-cpu-hs.dtbo \
+ rk322x-wlan-alt-wiring.dtbo
+
+scr-$(CONFIG_ARCH_ROCKCHIP) += \
+ rk322x-fixup.scr
+
+dtbotxt-$(CONFIG_ARCH_ROCKCHIP) += \
+ README.rk322x-overlays
+
+targets += $(dtbo-y) $(scr-y) $(dtbotxt-y)
+
+always := $(dtbo-y) $(scr-y) $(dtbotxt-y)
+clean-files := *.dtbo *.scr
+
diff --git a/arch/arm/boot/dts/overlay/README.rk322x-overlays b/arch/arm/boot/dts/overlay/README.rk322x-overlays
new file mode 100755
index 000000000..96d3fc8bb
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/README.rk322x-overlays
@@ -0,0 +1,57 @@
+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:
+
+rk322x (Rockchip)
+
+### Provided overlays:
+
+- rk322x-cpu-hs
+- rk322x-emmc
+- rk322x-nand
+- rk322x-emmc-nand
+- rk322x-led1-low
+- rk322x-led1-high
+- rk322x-led2-low
+- rk322x-led2-high
+- rk322x-wlan-alt-wiring
+
+### Overlay details:
+
+### rk322x-cpu-hs
+
+Activates higher CPU speed (up to 1.4ghz) for rk3228b/rk3229 boxes
+
+### emmc
+
+Activates onboard emmc device node and deactivates the nand controller.
+Also sets up the pin controller default pull up/down configuration
+
+### nand
+
+Activates onboard nand device node and deactivates the emmc controller.
+Also sets up the pin controller default pull up/down configuration
+
+### emmc-nand
+
+Activates onboard nand and emmc devices. Usually they are alternative
+because manufacturers share the same pads so emmc and nand cannot be
+mixed together. Usually this works because the emmc and nand drivers
+can automatically guess what's in the pads, but may bring instabilities
+or misdetections. Also does not set up the pin controller default
+configuration, which in turn can be detrimental of stability and
+performance
+
+### rk322x-led-conf*
+
+Each device tree of this kind provides a different known wiring configuration
+(ie: gpio and active low/high) of the onboard leds. Each board manufacturer
+usually choose a different GPIO for the auxiliary led, but the main "working"
+led is always wired to the same gpio (although it may be active high or low)
+
+### rk322x-alt-wiring
+
+Some boards have different SDIO wiring setup for wifi chips. This overlay
+enables the different pin controller wiring and power enable
diff --git a/arch/arm/boot/dts/overlay/rk322x-cpu-hs.dts b/arch/arm/boot/dts/overlay/rk322x-cpu-hs.dts
new file mode 100755
index 000000000..1c2fc79e1
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/rk322x-cpu-hs.dts
@@ -0,0 +1,28 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+
+ fragment@0 {
+ target = <&cpu0_opp_table>;
+ __overlay__ {
+
+ opp-1296000000 {
+ opp-hz = /bits/ 64 <1296000000>;
+ opp-microvolt = <1325000 1325000 1400000>;
+ };
+ opp-1392000000 {
+ opp-hz = /bits/ 64 <1392000000>;
+ opp-microvolt = <1350000 1350000 1400000>;
+ };
+ /*
+ opp-1464000000 {
+ opp-hz = /bits/ 64 <1464000000>;
+ opp-microvolt = <1400000 1400000 1400000>;
+ };
+ */
+
+ };
+ };
+
+};
diff --git a/arch/arm/boot/dts/overlay/rk322x-emmc-nand.dts b/arch/arm/boot/dts/overlay/rk322x-emmc-nand.dts
new file mode 100755
index 000000000..9b273bf75
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/rk322x-emmc-nand.dts
@@ -0,0 +1,22 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+
+ fragment@0 {
+ target = <&emmc>;
+ __overlay__ {
+ status = "okay";
+ mmc-ddr-1_8v;
+ rockchip,default-sample-phase = <180>;
+ };
+ };
+
+ fragment@1 {
+ target = <&nfc>;
+ __overlay__ {
+ status = "okay";
+ };
+ };
+
+};
diff --git a/arch/arm/boot/dts/overlay/rk322x-emmc.dts b/arch/arm/boot/dts/overlay/rk322x-emmc.dts
new file mode 100755
index 000000000..10b2f0f0d
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/rk322x-emmc.dts
@@ -0,0 +1,24 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+
+ fragment@0 {
+ target = <&emmc>;
+ __overlay__ {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&emmc_clk &emmc_cmd &emmc_bus8 &emmc_pwr &emmc_rst>;
+ mmc-ddr-1_8v;
+ rockchip,default-sample-phase = <180>;
+ };
+ };
+
+ fragment@1 {
+ target = <&nfc>;
+ __overlay__ {
+ status = "disabled";
+ };
+ };
+
+};
diff --git a/arch/arm/boot/dts/overlay/rk322x-fixup.scr-cmd b/arch/arm/boot/dts/overlay/rk322x-fixup.scr-cmd
new file mode 100755
index 000000000..d4c39e20a
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/rk322x-fixup.scr-cmd
@@ -0,0 +1,4 @@
+# overlays fixup script
+# implements (or rather substitutes) overlay arguments functionality
+# using u-boot scripting, environment variables and "fdt" command
+
diff --git a/arch/arm/boot/dts/overlay/rk322x-led-conf1.dts b/arch/arm/boot/dts/overlay/rk322x-led-conf1.dts
new file mode 100755
index 000000000..508e477f7
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/rk322x-led-conf1.dts
@@ -0,0 +1,57 @@
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/pinctrl/rockchip.h>
+
+/ {
+
+ fragment@0 {
+ target-path = "/gpio-leds";
+ __overlay__ {
+
+ working {
+ gpios = <&gpio3 RK_PC5 GPIO_ACTIVE_HIGH>;
+ linux,default-trigger = "none";
+ };
+
+ auxiliary {
+ gpios = <&gpio0 RK_PA1 GPIO_ACTIVE_HIGH>;
+ label = "auxiliary";
+ linux,default-trigger = "mmc2";
+ default-state = "off";
+ pinctrl-names = "default";
+ pinctrl-0 = <&gpio_led_aux>;
+ };
+
+ };
+ };
+
+ fragment@1 {
+ target-path = "/pinctrl/gpio";
+ __overlay__ {
+
+ gpio_led_aux: gpio-led-aux {
+ rockchip,pins = <0 RK_PA1 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+
+ };
+ };
+
+ fragment@2 {
+ target = <&gpio_keys>;
+ __overlay__ {
+
+ reset {
+ gpios = <&gpio3 RK_PD1 GPIO_ACTIVE_LOW>;
+ label = "reset";
+ linux,code = <KEY_RESTART>;
+ debounce-interval = <200>;
+ wakeup-source;
+ };
+
+ };
+ };
+
+};
diff --git a/arch/arm/boot/dts/overlay/rk322x-led-conf2.dts b/arch/arm/boot/dts/overlay/rk322x-led-conf2.dts
new file mode 100755
index 000000000..153f71565
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/rk322x-led-conf2.dts
@@ -0,0 +1,57 @@
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/pinctrl/rockchip.h>
+
+/ {
+
+ fragment@0 {
+ target-path = "/gpio-leds";
+ __overlay__ {
+
+ working {
+ gpios = <&gpio3 RK_PC5 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "none";
+ };
+
+ auxiliary {
+ gpios = <&gpio1 RK_PA7 GPIO_ACTIVE_LOW>;
+ label = "auxiliary";
+ linux,default-trigger = "mmc2";
+ default-state = "off";
+ pinctrl-names = "default";
+ pinctrl-0 = <&gpio_led_aux>;
+ };
+
+ };
+ };
+
+ fragment@1 {
+ target-path = "/pinctrl/gpio";
+ __overlay__ {
+
+ gpio_led_aux: gpio-led-aux {
+ rockchip,pins = <1 RK_PA7 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+
+ };
+ };
+
+ fragment@2 {
+ target = <&gpio_keys>;
+ __overlay__ {
+
+ reset {
+ gpios = <&gpio3 RK_PD1 GPIO_ACTIVE_LOW>;
+ label = "reset";
+ linux,code = <KEY_RESTART>;
+ debounce-interval = <200>;
+ wakeup-source;
+ };
+
+ };
+ };
+
+};
diff --git a/arch/arm/boot/dts/overlay/rk322x-nand.dts b/arch/arm/boot/dts/overlay/rk322x-nand.dts
new file mode 100755
index 000000000..2a939ab49
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/rk322x-nand.dts
@@ -0,0 +1,22 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+
+ fragment@0 {
+ target = <&nfc>;
+ __overlay__ {
+ status = "okay";
+ pinctrl-0 = <&flash_cs0 &flash_cs1 &flash_cs2 &flash_cs3 &flash_rdy &flash_ale &flash_cle &flash_wrn &flash_bus8 &flash_dqs &flash_wp>;
+ pinctrl-names = "default";
+ };
+ };
+
+ fragment@1 {
+ target = <&emmc>;
+ __overlay__ {
+ status = "disabled";
+ };
+ };
+
+};
diff --git a/arch/arm/boot/dts/overlay/rk322x-wlan-alt-wiring.dts b/arch/arm/boot/dts/overlay/rk322x-wlan-alt-wiring.dts
new file mode 100755
index 000000000..b63611295
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/rk322x-wlan-alt-wiring.dts
@@ -0,0 +1,67 @@
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/pinctrl/rockchip.h>
+
+/ {
+
+ fragment@0 {
+ target = <&pinctrl>;
+ __overlay__ {
+
+ pcfg_pull_none_drv_4ma: pcfg-pull-none-drv-4ma {
+ bias-disable;
+ drive-strength = <0x04>;
+ };
+
+ pcfg_pull_up_drv_4ma: pcfg-pull-up-drv-4ma {
+ bias-pull-up;
+ drive-strength = <0x04>;
+ };
+
+ sdio {
+ sdio_clk: sdio-clk {
+ rockchip,pins = <1 0 1 &pcfg_pull_none_drv_4ma>;
+ };
+
+ sdio_cmd: sdio-cmd {
+ rockchip,pins = <0 3 2 &pcfg_pull_up_drv_4ma>;
+ };
+
+ sdio_bus4: sdio-bus4 {
+ rockchip,pins = <1 1 1 &pcfg_pull_up_drv_4ma>,
+ <1 2 1 &pcfg_pull_up_drv_4ma>,
+ <1 4 1 &pcfg_pull_up_drv_4ma>,
+ <1 5 1 &pcfg_pull_up_drv_4ma>;
+ };
+ };
+
+ };
+
+ };
+
+ fragment@1 {
+ target = <&sdio_pwrseq>;
+ __overlay__ {
+ reset-gpios = <&gpio2 RK_PD5 GPIO_ACTIVE_HIGH>;
+ };
+ };
+
+ fragment@2 {
+ target = <&wifi_enable_h>;
+ __overlay__ {
+ rockchip,pins = <2 RK_PD5 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
+
+ fragment@3 {
+ target = <&sdio>;
+ __overlay__ {
+ pinctrl-names = "default";
+ pinctrl-0 = <&sdio_clk &sdio_cmd &sdio_bus4>;
+ };
+
+ };
+
+};
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