lede/target/linux/mediatek/patches-6.12/020-v6.13-arm64-dts-mediatek-mt7988-add-UART-controllers.patch
2025-05-28 14:26:28 +08:00

72 lines
2.4 KiB
Diff

From 52e2ca3be4b6d451fef0a2cd337157dd021b830f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Date: Wed, 5 Jun 2024 10:54:33 +0200
Subject: [PATCH 01/32] arm64: dts: mediatek: mt7988: add UART controllers
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
MT7988 has three on-SoC UART controllers that support M16C450 and
M16550A modes.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20240605085433.26513-2-zajec5@gmail.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
---
arch/arm64/boot/dts/mediatek/mt7988a.dtsi | 35 ++++++++++++++++++++++-
1 file changed, 34 insertions(+), 1 deletion(-)
--- a/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
@@ -86,7 +86,7 @@
#clock-cells = <1>;
};
- clock-controller@1001b000 {
+ topckgen: clock-controller@1001b000 {
compatible = "mediatek,mt7988-topckgen", "syscon";
reg = <0 0x1001b000 0 0x1000>;
#clock-cells = <1>;
@@ -124,6 +124,39 @@
status = "disabled";
};
+ serial@11000000 {
+ compatible = "mediatek,mt7988-uart", "mediatek,mt6577-uart";
+ reg = <0 0x11000000 0 0x100>;
+ interrupts = <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "uart", "wakeup";
+ clocks = <&topckgen CLK_TOP_UART_SEL>,
+ <&infracfg CLK_INFRA_52M_UART0_CK>;
+ clock-names = "baud", "bus";
+ status = "disabled";
+ };
+
+ serial@11000100 {
+ compatible = "mediatek,mt7988-uart", "mediatek,mt6577-uart";
+ reg = <0 0x11000100 0 0x100>;
+ interrupts = <GIC_SPI 124 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "uart", "wakeup";
+ clocks = <&topckgen CLK_TOP_UART_SEL>,
+ <&infracfg CLK_INFRA_52M_UART1_CK>;
+ clock-names = "baud", "bus";
+ status = "disabled";
+ };
+
+ serial@11000200 {
+ compatible = "mediatek,mt7988-uart", "mediatek,mt6577-uart";
+ reg = <0 0x11000200 0 0x100>;
+ interrupts = <GIC_SPI 125 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "uart", "wakeup";
+ clocks = <&topckgen CLK_TOP_UART_SEL>,
+ <&infracfg CLK_INFRA_52M_UART2_CK>;
+ clock-names = "baud", "bus";
+ status = "disabled";
+ };
+
i2c@11003000 {
compatible = "mediatek,mt7981-i2c";
reg = <0 0x11003000 0 0x1000>,