83 lines
2.5 KiB
Diff
83 lines
2.5 KiB
Diff
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From 8b6cf9530ef8923895df798428a9b45534c9fd98 Mon Sep 17 00:00:00 2001
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From: Paolo Sabatino <paolo.sabatino@gmail.com>
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Date: Sun, 18 Apr 2021 10:59:09 +0000
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Subject: [PATCH] rk3318-box: add overlay for wifi over sdmmc_ext
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---
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arch/arm64/boot/dts/rockchip/overlay/Makefile | 3 +-
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.../rockchip/overlay/README.rockchip-overlays | 6 ++++
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.../overlay/rockchip-rk3318-box-wlan-ext.dts | 29 +++++++++++++++++++
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3 files changed, 37 insertions(+), 1 deletion(-)
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create mode 100644 arch/arm64/boot/dts/rockchip/overlay/rockchip-rk3318-box-wlan-ext.dts
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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 be038cc38..5e3318b57 100644
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--- a/arch/arm64/boot/dts/rockchip/overlay/Makefile
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+++ b/arch/arm64/boot/dts/rockchip/overlay/Makefile
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@@ -13,7 +13,8 @@ dtbo-$(CONFIG_ARCH_ROCKCHIP) += \
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rockchip-w1-gpio.dtbo \
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rockchip-rk3318-box-led-conf1.dtbo \
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rockchip-rk3318-box-emmc-ddr.dtbo \
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- rockchip-rk3318-box-wlan-ap6334.dtbo
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+ rockchip-rk3318-box-wlan-ap6334.dtbo \
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+ rockchip-rk3318-box-wlan-ext.dtbo
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scr-$(CONFIG_ARCH_ROCKCHIP) += \
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rockchip-fixup.scr
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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 0e7eaeea2..b414e3069 100644
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--- a/arch/arm64/boot/dts/rockchip/overlay/README.rockchip-overlays
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+++ b/arch/arm64/boot/dts/rockchip/overlay/README.rockchip-overlays
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@@ -134,3 +134,9 @@ of board wiring
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Set up additional device tree bits to properly support ap6334 (broadcom BCM4334)
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wifi chip and clones
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+
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+### rk3318-box-wlan-ext
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+
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+Use sdmmc_ext device for sdio devices, enabled wifi on some boards (notably
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+X88 Pro) which have wifi chip attached to sdmmc_ext controller.
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+
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diff --git a/arch/arm64/boot/dts/rockchip/overlay/rockchip-rk3318-box-wlan-ext.dts b/arch/arm64/boot/dts/rockchip/overlay/rockchip-rk3318-box-wlan-ext.dts
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new file mode 100644
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index 000000000..7f43fc20f
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--- /dev/null
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+++ b/arch/arm64/boot/dts/rockchip/overlay/rockchip-rk3318-box-wlan-ext.dts
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@@ -0,0 +1,33 @@
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+/dts-v1/;
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+/plugin/;
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+
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+#include <dt-bindings/gpio/gpio.h>
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+#include <dt-bindings/pinctrl/rockchip.h>
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+#include <dt-bindings/interrupt-controller/irq.h>
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+
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+/ {
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+
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+ fragment@0 {
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+ target = <&sdio>;
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+ __overlay__ {
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+ mmc-pwrseq = <>;
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+ status = "disabled";
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+ };
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+ };
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+
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+ fragment@1 {
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+ target = <&sdio_ext>;
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+ __overlay__ {
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+ mmc-pwrseq = <&sdio_pwrseq>;
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+ status = "okay";
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+ };
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+ };
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+
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+ fragment@2 {
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+ target = <&sdmmc_ext>;
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+ __overlay__ {
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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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--
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2.25.1
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