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BananaPi BPI-M4-Zero: Add fixed-clock bluetooth fixup
Signed-off-by: Patrick Yavitz <pyavitz@gmail.com>
This commit is contained in:
Patrick Yavitz
@@ -237,10 +237,10 @@ index 000000000000..99c7e2b8c5f6
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+};
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diff --git a/arch/arm64/boot/dts/allwinner/overlay/sun50i-h616-bananapi-m4-sdio-wifi-bt.dtso b/arch/arm64/boot/dts/allwinner/overlay/sun50i-h616-bananapi-m4-sdio-wifi-bt.dtso
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new file mode 100644
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index 000000000000..307f6e5e921c
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index 000000000000..7880fd1450b4
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--- /dev/null
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+++ b/arch/arm64/boot/dts/allwinner/overlay/sun50i-h616-bananapi-m4-sdio-wifi-bt.dtso
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@@ -0,0 +1,44 @@
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@@ -0,0 +1,59 @@
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+/dts-v1/;
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+/plugin/;
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+
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@@ -256,8 +256,21 @@ index 000000000000..307f6e5e921c
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+ };
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+ };
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+
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+ /* SDIO WIFI */
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+ /* FIXED CLOCK */
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+ fragment@1 {
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+ target-path = "/";
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+ __overlay__ {
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+ osc32k: osc32k-clk {
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+ #clock-cells = <0>;
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+ compatible = "fixed-clock";
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+ clock-frequency = <32768>;
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+ clock-output-names = "ext-osc32k";
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+ };
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+ };
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+ };
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+
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+ /* SDIO WIFI */
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+ fragment@2 {
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+ target = <&mmc1>;
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+ __overlay__ {
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+ status = "okay";
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@@ -265,7 +278,7 @@ index 000000000000..307f6e5e921c
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+ };
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+
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+ /* BLUETOOTH */
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+ fragment@2 {
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+ fragment@3 {
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+ target = <&uart1>;
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+ __overlay__ {
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+ status = "okay";
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@@ -274,7 +287,9 @@ index 000000000000..307f6e5e921c
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+ uart-has-rtscts;
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+
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+ bluetooth {
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+ compatible = "brcm,bcm43540-bt";
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+ compatible = "brcm,bcm43438-bt";
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+ clocks = <&osc32k>;
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+ clock-names = "lpo";
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+ host-wakeup-gpios = <&pio 6 16 GPIO_ACTIVE_HIGH>;
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+ device-wakeup-gpios = <&pio 6 17 GPIO_ACTIVE_HIGH>;
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+ shutdown-gpios = <&pio 6 19 GPIO_ACTIVE_HIGH>;
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@@ -405,3 +405,43 @@ index 000000000000..e9640439e02c
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--
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2.35.3
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From dbcb96e7024ee3c4994ac7aaa5da2cd5b5f300c2 Mon Sep 17 00:00:00 2001
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From: Patrick Yavitz <pyavitz@gmail.com>
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Date: Sun, 29 Jun 2025 19:25:09 -0400
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Subject: [PATCH] BananaPi BPI-M4-Zero: Add fixed clock
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Signed-off-by: Patrick Yavitz <pyavitz@gmail.com>
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---
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.../boot/dts/allwinner/sun50i-h618-bananapi-m4.dtsi | 9 ++++++++-
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1 file changed, 8 insertions(+), 1 deletion(-)
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diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h618-bananapi-m4.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h618-bananapi-m4.dtsi
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index e9640439e02c..15c7e1290146 100644
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--- a/arch/arm64/boot/dts/allwinner/sun50i-h618-bananapi-m4.dtsi
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+++ b/arch/arm64/boot/dts/allwinner/sun50i-h618-bananapi-m4.dtsi
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@@ -33,6 +33,13 @@ hdmi_con_in: endpoint {
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};
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};
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+ osc32k: osc32k-clk {
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+ #clock-cells = <0>;
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+ compatible = "fixed-clock";
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+ clock-frequency = <32768>;
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+ clock-output-names = "ext-osc32k";
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+ };
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+
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reg_usb_vbus: regulator-usb-vbus {
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/* Separate discrete regulator for the USB ports */
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compatible = "regulator-fixed";
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@@ -71,7 +78,7 @@ reg_vcc1v8: regulator-vcc1v8 {
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wifi_pwrseq: wifi-pwrseq {
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compatible = "mmc-pwrseq-simple";
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- clocks = <&rtc CLK_OSC32K_FANOUT>;
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+ clocks = <&osc32k>;
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clock-names = "ext_clock";
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pinctrl-0 = <&x32clk_fanout_pin>;
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pinctrl-names = "default";
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--
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2.43.0
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@@ -237,10 +237,10 @@ index 000000000000..99c7e2b8c5f6
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+};
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diff --git a/arch/arm64/boot/dts/allwinner/overlay/sun50i-h616-bananapi-m4-sdio-wifi-bt.dtso b/arch/arm64/boot/dts/allwinner/overlay/sun50i-h616-bananapi-m4-sdio-wifi-bt.dtso
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new file mode 100644
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index 000000000000..307f6e5e921c
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index 000000000000..7880fd1450b4
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--- /dev/null
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+++ b/arch/arm64/boot/dts/allwinner/overlay/sun50i-h616-bananapi-m4-sdio-wifi-bt.dtso
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@@ -0,0 +1,44 @@
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@@ -0,0 +1,59 @@
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+/dts-v1/;
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+/plugin/;
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+
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@@ -256,8 +256,21 @@ index 000000000000..307f6e5e921c
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+ };
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+ };
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+
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+ /* SDIO WIFI */
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+ /* FIXED CLOCK */
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+ fragment@1 {
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+ target-path = "/";
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+ __overlay__ {
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+ osc32k: osc32k-clk {
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+ #clock-cells = <0>;
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+ compatible = "fixed-clock";
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+ clock-frequency = <32768>;
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+ clock-output-names = "ext-osc32k";
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+ };
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+ };
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+ };
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+
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+ /* SDIO WIFI */
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+ fragment@2 {
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+ target = <&mmc1>;
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+ __overlay__ {
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+ status = "okay";
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@@ -265,7 +278,7 @@ index 000000000000..307f6e5e921c
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+ };
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+
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+ /* BLUETOOTH */
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+ fragment@2 {
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+ fragment@3 {
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+ target = <&uart1>;
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+ __overlay__ {
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+ status = "okay";
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@@ -274,7 +287,9 @@ index 000000000000..307f6e5e921c
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+ uart-has-rtscts;
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+
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+ bluetooth {
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+ compatible = "brcm,bcm43540-bt";
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+ compatible = "brcm,bcm43438-bt";
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+ clocks = <&osc32k>;
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+ clock-names = "lpo";
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+ host-wakeup-gpios = <&pio 6 16 GPIO_ACTIVE_HIGH>;
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+ device-wakeup-gpios = <&pio 6 17 GPIO_ACTIVE_HIGH>;
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+ shutdown-gpios = <&pio 6 19 GPIO_ACTIVE_HIGH>;
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@@ -405,3 +405,43 @@ index 000000000000..e9640439e02c
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--
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2.35.3
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From dbcb96e7024ee3c4994ac7aaa5da2cd5b5f300c2 Mon Sep 17 00:00:00 2001
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From: Patrick Yavitz <pyavitz@gmail.com>
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Date: Sun, 29 Jun 2025 19:25:09 -0400
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Subject: [PATCH] BananaPi BPI-M4-Zero: Add fixed clock
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Signed-off-by: Patrick Yavitz <pyavitz@gmail.com>
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---
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.../boot/dts/allwinner/sun50i-h618-bananapi-m4.dtsi | 9 ++++++++-
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1 file changed, 8 insertions(+), 1 deletion(-)
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diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h618-bananapi-m4.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h618-bananapi-m4.dtsi
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index e9640439e02c..15c7e1290146 100644
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--- a/arch/arm64/boot/dts/allwinner/sun50i-h618-bananapi-m4.dtsi
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+++ b/arch/arm64/boot/dts/allwinner/sun50i-h618-bananapi-m4.dtsi
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@@ -33,6 +33,13 @@ hdmi_con_in: endpoint {
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};
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};
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+ osc32k: osc32k-clk {
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+ #clock-cells = <0>;
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+ compatible = "fixed-clock";
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+ clock-frequency = <32768>;
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+ clock-output-names = "ext-osc32k";
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+ };
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+
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reg_usb_vbus: regulator-usb-vbus {
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/* Separate discrete regulator for the USB ports */
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compatible = "regulator-fixed";
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@@ -71,7 +78,7 @@ reg_vcc1v8: regulator-vcc1v8 {
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wifi_pwrseq: wifi-pwrseq {
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compatible = "mmc-pwrseq-simple";
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- clocks = <&rtc CLK_OSC32K_FANOUT>;
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+ clocks = <&osc32k>;
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clock-names = "ext_clock";
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pinctrl-0 = <&x32clk_fanout_pin>;
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pinctrl-names = "default";
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--
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2.43.0
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