linux-kernel - [PATCH v2] ARM: dts: meson8b: correct uart_B and uart

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Message-ID: <trinity-bf20bcb9-790b-4ab9-99e3-0831ef8257f4-1680878185420@3c-app-gmx-bap55>
Date:   Fri, 7 Apr 2023 16:36:25 +0200
From:   hfdevel@....net
To:     robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        neil.armstrong@...aro.org, khilman@...libre.com,
        jbrunet@...libre.com, martin.blumenstingl@...glemail.com
Cc:     devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2] ARM: dts: meson8b: correct uart_B and uart_C clock
 references

With the current device tree for meson8b, uarts B (e.g. available on pins
8/10 on Odroid-C1) and C (pins 3/5 on Odroid-C1) do not work, because they
are relying on incorrect clocks. Change the references of pclk to the
correct CLKID, to allow use of the two uarts.

Fixes: 3375aa77135f ("ARM: dts: meson8b: Fix the UART device-tree schema validation")
Signed-off-by: Hans-Frieder Vogt <hfdevel@....net>
---
v1->v2: Addressed review comments with respect to patch style.

 meson8b.dtsi |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/meson8b.dtsi b/arch/arm/boot/dts/meson8b.dtsi
index d5a3fe21e8e7..25f7c985f9ea 100644
--- a/arch/arm/boot/dts/meson8b.dtsi
+++ b/arch/arm/boot/dts/meson8b.dtsi
@@ -740,13 +740,13 @@ &uart_A {

 &uart_B {
 	compatible = "amlogic,meson8b-uart";
-	clocks = <&xtal>, <&clkc CLKID_UART0>, <&clkc CLKID_CLK81>;
+	clocks = <&xtal>, <&clkc CLKID_UART1>, <&clkc CLKID_CLK81>;
 	clock-names = "xtal", "pclk", "baud";
 };

 &uart_C {
 	compatible = "amlogic,meson8b-uart";
-	clocks = <&xtal>, <&clkc CLKID_UART0>, <&clkc CLKID_CLK81>;
+	clocks = <&xtal>, <&clkc CLKID_UART2>, <&clkc CLKID_CLK81>;
 	clock-names = "xtal", "pclk", "baud";
 };