From: Alexandre Belloni Date: Thu, 12 Mar 2015 14:54:26 +0000 (+0100) Subject: ARM: at91/dt: introduce atmel,-dbgu X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=8c07f664a6c48bfc44ce9352c8c2fba55f1d108b;p=linux.git ARM: at91/dt: introduce atmel,-dbgu The DBGU is not a simple UART and we need to be able to distinguish it from the other UARTs, in particular to get its address and check the chip id. Signed-off-by: Alexandre Belloni Signed-off-by: Nicolas Ferre --- diff --git a/Documentation/devicetree/bindings/serial/atmel-usart.txt b/Documentation/devicetree/bindings/serial/atmel-usart.txt index a6391e70a8fd8..90787aa2e648c 100644 --- a/Documentation/devicetree/bindings/serial/atmel-usart.txt +++ b/Documentation/devicetree/bindings/serial/atmel-usart.txt @@ -1,9 +1,10 @@ * Atmel Universal Synchronous Asynchronous Receiver/Transmitter (USART) Required properties: -- compatible: Should be "atmel,-usart" +- compatible: Should be "atmel,-usart" or "atmel,-dbgu" The compatible indicated will be the first SoC to support an additional mode or an USART new feature. + For the dbgu UART, use "atmel,-dbgu", "atmel,-usart" - reg: Should contain registers location and length - interrupts: Should contain interrupt - clock-names: tuple listing input clock names. diff --git a/arch/arm/boot/dts/at91rm9200.dtsi b/arch/arm/boot/dts/at91rm9200.dtsi index 21c2b504f977d..c515e4b160be6 100644 --- a/arch/arm/boot/dts/at91rm9200.dtsi +++ b/arch/arm/boot/dts/at91rm9200.dtsi @@ -830,7 +830,7 @@ }; dbgu: serial@fffff200 { - compatible = "atmel,at91rm9200-usart"; + compatible = "atmel,at91rm9200-dbgu", "atmel,at91rm9200-usart"; reg = <0xfffff200 0x200>; interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; pinctrl-names = "default"; diff --git a/arch/arm/boot/dts/at91sam9260.dtsi b/arch/arm/boot/dts/at91sam9260.dtsi index e7f0a4ae271c6..7d989a8a9cf78 100644 --- a/arch/arm/boot/dts/at91sam9260.dtsi +++ b/arch/arm/boot/dts/at91sam9260.dtsi @@ -753,7 +753,7 @@ }; dbgu: serial@fffff200 { - compatible = "atmel,at91sam9260-usart"; + compatible = "atmel,at91sam9260-dbgu", "atmel,at91sam9260-usart"; reg = <0xfffff200 0x200>; interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; pinctrl-names = "default"; diff --git a/arch/arm/boot/dts/at91sam9261.dtsi b/arch/arm/boot/dts/at91sam9261.dtsi index d55fdf2487ef5..bf8d1856a55a5 100644 --- a/arch/arm/boot/dts/at91sam9261.dtsi +++ b/arch/arm/boot/dts/at91sam9261.dtsi @@ -276,7 +276,7 @@ }; dbgu: serial@fffff200 { - compatible = "atmel,at91sam9260-usart"; + compatible = "atmel,at91sam9260-dbgu", "atmel,at91sam9260-usart"; reg = <0xfffff200 0x200>; interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; pinctrl-names = "default"; diff --git a/arch/arm/boot/dts/at91sam9263.dtsi b/arch/arm/boot/dts/at91sam9263.dtsi index fce301c4e9d6e..e07dae75be776 100644 --- a/arch/arm/boot/dts/at91sam9263.dtsi +++ b/arch/arm/boot/dts/at91sam9263.dtsi @@ -762,7 +762,7 @@ }; dbgu: serial@ffffee00 { - compatible = "atmel,at91sam9260-usart"; + compatible = "atmel,at91sam9260-dbgu", "atmel,at91sam9260-usart"; reg = <0xffffee00 0x200>; interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; pinctrl-names = "default"; diff --git a/arch/arm/boot/dts/at91sam9g45.dtsi b/arch/arm/boot/dts/at91sam9g45.dtsi index 488af63d5174c..56b66a795df73 100644 --- a/arch/arm/boot/dts/at91sam9g45.dtsi +++ b/arch/arm/boot/dts/at91sam9g45.dtsi @@ -893,7 +893,7 @@ }; dbgu: serial@ffffee00 { - compatible = "atmel,at91sam9260-usart"; + compatible = "atmel,at91sam9260-dbgu", "atmel,at91sam9260-usart"; reg = <0xffffee00 0x200>; interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; pinctrl-names = "default"; diff --git a/arch/arm/boot/dts/at91sam9n12.dtsi b/arch/arm/boot/dts/at91sam9n12.dtsi index 0c53a375ba99d..ea0af0f6ec7d7 100644 --- a/arch/arm/boot/dts/at91sam9n12.dtsi +++ b/arch/arm/boot/dts/at91sam9n12.dtsi @@ -757,7 +757,7 @@ }; dbgu: serial@fffff200 { - compatible = "atmel,at91sam9260-usart"; + compatible = "atmel,at91sam9260-dbgu", "atmel,at91sam9260-usart"; reg = <0xfffff200 0x200>; interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; pinctrl-names = "default"; diff --git a/arch/arm/boot/dts/at91sam9rl.dtsi b/arch/arm/boot/dts/at91sam9rl.dtsi index 40f645b8fe256..ebfd5ce9cb386 100644 --- a/arch/arm/boot/dts/at91sam9rl.dtsi +++ b/arch/arm/boot/dts/at91sam9rl.dtsi @@ -377,7 +377,7 @@ }; dbgu: serial@fffff200 { - compatible = "atmel,at91sam9260-usart"; + compatible = "atmel,at91sam9260-dbgu", "atmel,at91sam9260-usart"; reg = <0xfffff200 0x200>; interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; pinctrl-names = "default"; diff --git a/arch/arm/boot/dts/at91sam9x5.dtsi b/arch/arm/boot/dts/at91sam9x5.dtsi index d221179d0f1aa..3aa56ae3410a5 100644 --- a/arch/arm/boot/dts/at91sam9x5.dtsi +++ b/arch/arm/boot/dts/at91sam9x5.dtsi @@ -860,7 +860,7 @@ }; dbgu: serial@fffff200 { - compatible = "atmel,at91sam9260-usart"; + compatible = "atmel,at91sam9260-dbgu", "atmel,at91sam9260-usart"; reg = <0xfffff200 0x200>; interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; pinctrl-names = "default"; diff --git a/arch/arm/boot/dts/sama5d3.dtsi b/arch/arm/boot/dts/sama5d3.dtsi index 367af53c1b843..c0a8dfcf8380e 100644 --- a/arch/arm/boot/dts/sama5d3.dtsi +++ b/arch/arm/boot/dts/sama5d3.dtsi @@ -439,7 +439,7 @@ }; dbgu: serial@ffffee00 { - compatible = "atmel,at91sam9260-usart"; + compatible = "atmel,at91sam9260-dbgu", "atmel,at91sam9260-usart"; reg = <0xffffee00 0x200>; interrupts = <2 IRQ_TYPE_LEVEL_HIGH 7>; dmas = <&dma1 2 AT91_DMA_CFG_PER_ID(13)>, diff --git a/arch/arm/boot/dts/sama5d4.dtsi b/arch/arm/boot/dts/sama5d4.dtsi index 4303874889c69..782587df5f3fd 100644 --- a/arch/arm/boot/dts/sama5d4.dtsi +++ b/arch/arm/boot/dts/sama5d4.dtsi @@ -1064,7 +1064,7 @@ }; dbgu: serial@fc069000 { - compatible = "atmel,at91sam9260-usart"; + compatible = "atmel,at91sam9260-dbgu", "atmel,at91sam9260-usart"; reg = <0xfc069000 0x200>; interrupts = <2 IRQ_TYPE_LEVEL_HIGH 7>; pinctrl-names = "default";