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f4507dceda
BPI-CM4: Add support for the waveshare cm4-io-base-b https://www.waveshare.com/wiki/CM4-IO-BASE-B BPI-CM4: Enable usb support on waveshare baseboards via overlay BPI-SM1: Removed UART_B overlay. Short of it being an available option in the vendor kernel via overlay. I can not find any docs to support why that is. I feel it is safer that we just remove it. BPI-SM1: Add UART_A "pin-ctrl: cts rts" Signed-off-by: Patrick Yavitz <pyavitz@xxxxx.com>
86 lines
2.4 KiB
Diff
86 lines
2.4 KiB
Diff
From 3252f85be0129364248e90ffea77c3ce5d1a4623 Mon Sep 17 00:00:00 2001
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From: Patrick Yavitz <pyavitz@xxxxx.com>
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Date: Thu, 21 Sep 2023 07:46:59 -0400
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Subject: [PATCH] arm64: dts: amlogic: meson-sm1-bananapi: add uart A and AO_B
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Signed-off-by: Patrick Yavitz <pyavitz@xxxxx.com>
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---
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arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi | 9 +++++++++
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.../boot/dts/amlogic/meson-sm1-bananapi-m2-pro.dts | 10 ++++++++++
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arch/arm64/boot/dts/amlogic/meson-sm1-bananapi.dtsi | 7 +++++++
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3 files changed, 26 insertions(+)
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diff --git a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
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index 88b848c65b0d..7e85b7dc356d 100644
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--- a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
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+++ b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
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@@ -1893,6 +1893,15 @@ mux {
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};
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};
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+ uart_ao_b_pins: uart-b-ao {
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+ mux {
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+ groups = "uart_ao_b_tx_8",
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+ "uart_ao_b_rx_9";
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+ function = "uart_ao_b";
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+ bias-disable;
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+ };
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+ };
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+
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uart_ao_a_cts_rts_pins: uart-ao-a-cts-rts {
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mux {
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groups = "uart_ao_a_cts",
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diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1-bananapi-m2-pro.dts b/arch/arm64/boot/dts/amlogic/meson-sm1-bananapi-m2-pro.dts
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index 586034316ec3..5ccdc91ac276 100644
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--- a/arch/arm64/boot/dts/amlogic/meson-sm1-bananapi-m2-pro.dts
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+++ b/arch/arm64/boot/dts/amlogic/meson-sm1-bananapi-m2-pro.dts
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@@ -13,6 +13,10 @@ / {
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compatible = "bananapi,bpi-m2-pro", "amlogic,sm1";
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model = "Banana Pi BPI-M2-PRO";
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+ aliases {
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+ serial1 = &uart_A;
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+ };
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+
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sound {
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compatible = "amlogic,axg-sound-card";
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model = "BPI-M2-PRO";
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@@ -95,3 +99,9 @@ &tdmout_b {
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&tohdmitx {
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status = "okay";
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};
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+
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+&uart_A {
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+ status = "disabled";
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&uart_a_pins>;
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+};
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diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1-bananapi.dtsi b/arch/arm64/boot/dts/amlogic/meson-sm1-bananapi.dtsi
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index ea4784a190da..4f7c11481133 100644
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--- a/arch/arm64/boot/dts/amlogic/meson-sm1-bananapi.dtsi
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+++ b/arch/arm64/boot/dts/amlogic/meson-sm1-bananapi.dtsi
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@@ -26,6 +26,7 @@ key {
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aliases {
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serial0 = &uart_AO;
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+ serial4 = &uart_AO_B;
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ethernet0 = ðmac;
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};
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@@ -426,6 +427,12 @@ &uart_AO {
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pinctrl-names = "default";
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};
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+&uart_AO_B {
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+ status = "disabled";
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+ pinctrl-0 = <&uart_ao_b_pins>;
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+ pinctrl-names = "default";
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+};
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+
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&usb {
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status = "okay";
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};
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--
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2.39.2
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