linux-kernel - [PATCH v2 4/7] ARM: dts: lan966x: add all flexcom usart nodes

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Message-Id: <20220304153548.3364480-5-michael@walle.cc>
Date:   Fri,  4 Mar 2022 16:35:45 +0100
From:   Michael Walle <michael@...le.cc>
To:     Kavyasree Kotagiri <kavyasree.kotagiri@...rochip.com>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>
Cc:     Arnd Bergmann <arnd@...db.de>, Olof Johansson <olof@...om.net>,
        soc@...nel.org, linux-arm-kernel@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Claudiu Beznea <claudiu.beznea@...rochip.com>,
        Michael Walle <michael@...le.cc>
Subject: [PATCH v2 4/7] ARM: dts: lan966x: add all flexcom usart nodes

Add all the remaining usart nodes for the flexcom block. Although the
DMA channels are specified, DMA is not enabled by default because break
detection doesn't work with DMA.

Keep the nodes disabled by default.

Signed-off-by: Michael Walle <michael@...le.cc>
---
 arch/arm/boot/dts/lan966x.dtsi | 52 ++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)

diff --git a/arch/arm/boot/dts/lan966x.dtsi b/arch/arm/boot/dts/lan966x.dtsi
index 230de3bdd5f1..d7eacb0144f5 100644
--- a/arch/arm/boot/dts/lan966x.dtsi
+++ b/arch/arm/boot/dts/lan966x.dtsi
@@ -92,6 +92,19 @@ flx0: flexcom@...40000 {
 			#size-cells = <1>;
 			ranges = <0x0 0xe0040000 0x800>;
 			status = "disabled";
+
+			usart0: serial@200 {
+				compatible = "atmel,at91sam9260-usart";
+				reg = <0x200 0x200>;
+				interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>;
+				dmas = <&dma0 AT91_XDMAC_DT_PERID(3)>,
+				       <&dma0 AT91_XDMAC_DT_PERID(2)>;
+				dma-names = "tx", "rx";
+				clocks = <&nic_clk>;
+				clock-names = "usart";
+				atmel,fifo-size = <32>;
+				status = "disabled";
+			};
 		};
 
 		flx1: flexcom@...44000 {
@@ -102,6 +115,19 @@ flx1: flexcom@...44000 {
 			#size-cells = <1>;
 			ranges = <0x0 0xe0044000 0x800>;
 			status = "disabled";
+
+			usart1: serial@200 {
+				compatible = "atmel,at91sam9260-usart";
+				reg = <0x200 0x200>;
+				interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>;
+				dmas = <&dma0 AT91_XDMAC_DT_PERID(5)>,
+				       <&dma0 AT91_XDMAC_DT_PERID(4)>;
+				dma-names = "tx", "rx";
+				clocks = <&nic_clk>;
+				clock-names = "usart";
+				atmel,fifo-size = <32>;
+				status = "disabled";
+			};
 		};
 
 		trng: rng@...48000 {
@@ -129,6 +155,19 @@ flx2: flexcom@...60000 {
 			#size-cells = <1>;
 			ranges = <0x0 0xe0060000 0x800>;
 			status = "disabled";
+
+			usart2: serial@200 {
+				compatible = "atmel,at91sam9260-usart";
+				reg = <0x200 0x200>;
+				interrupts = <GIC_SPI 50 IRQ_TYPE_LEVEL_HIGH>;
+				dmas = <&dma0 AT91_XDMAC_DT_PERID(7)>,
+				       <&dma0 AT91_XDMAC_DT_PERID(6)>;
+				dma-names = "tx", "rx";
+				clocks = <&nic_clk>;
+				clock-names = "usart";
+				atmel,fifo-size = <32>;
+				status = "disabled";
+			};
 		};
 
 		flx3: flexcom@...64000 {
@@ -181,6 +220,19 @@ flx4: flexcom@...70000 {
 			#size-cells = <1>;
 			ranges = <0x0 0xe0070000 0x800>;
 			status = "disabled";
+
+			usart4: serial@200 {
+				compatible = "atmel,at91sam9260-usart";
+				reg = <0x200 0x200>;
+				interrupts = <GIC_SPI 52 IRQ_TYPE_LEVEL_HIGH>;
+				dmas = <&dma0 AT91_XDMAC_DT_PERID(11)>,
+				       <&dma0 AT91_XDMAC_DT_PERID(10)>;
+				dma-names = "tx", "rx";
+				clocks = <&nic_clk>;
+				clock-names = "usart";
+				atmel,fifo-size = <32>;
+				status = "disabled";
+			};
 		};
 
 		timer0: timer@...8c000 {
-- 
2.30.2