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Date: Tue, 4 Jun 2019 10:55:19 +0200
From: Erwan Le Ray <erwan.leray@...com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Jiri Slaby <jslaby@...e.com>,
Maxime Coquelin <mcoquelin.stm32@...il.com>,
"Alexandre Torgue" <alexandre.torgue@...com>,
Rob Herring <robh+dt@...nel.org>,
"Mark Rutland" <mark.rutland@....com>
CC: <linux-serial@...r.kernel.org>,
<linux-stm32@...md-mailman.stormreply.com>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
Erwan Le Ray <erwan.leray@...com>,
"Fabrice Gasnier" <fabrice.gasnier@...com>
Subject: [PATCH 10/10] ARM: dts: stm32: add wakeup capability on each usart/uart on stm32mp157c
- Mark all usart/uart devices as wakeup source.
- Identify all dedicated interrupts with a specific interrupt name (either
"event" or "wakeup").
- add interrupts-extended wakeup interrupt
Signed-off-by: Erwan Le Ray <erwan.leray@...com>
diff --git a/arch/arm/boot/dts/stm32mp157c.dtsi b/arch/arm/boot/dts/stm32mp157c.dtsi
index 2afeee6..de5b1bf 100644
--- a/arch/arm/boot/dts/stm32mp157c.dtsi
+++ b/arch/arm/boot/dts/stm32mp157c.dtsi
@@ -395,32 +395,44 @@
usart2: serial@...0e000 {
compatible = "st,stm32h7-uart";
reg = <0x4000e000 0x400>;
- interrupts = <GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "event", "wakeup";
+ interrupts-extended = <&intc GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH>,
+ <&exti 27 1>;
clocks = <&rcc USART2_K>;
+ wakeup-source;
status = "disabled";
};
usart3: serial@...0f000 {
compatible = "st,stm32h7-uart";
reg = <0x4000f000 0x400>;
- interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "event", "wakeup";
+ interrupts-extended = <&intc GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>,
+ <&exti 28 1>;
clocks = <&rcc USART3_K>;
+ wakeup-source;
status = "disabled";
};
uart4: serial@...10000 {
compatible = "st,stm32h7-uart";
reg = <0x40010000 0x400>;
- interrupts = <GIC_SPI 52 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "event", "wakeup";
+ interrupts-extended = <&intc GIC_SPI 52 IRQ_TYPE_LEVEL_HIGH>,
+ <&exti 30 1>;
clocks = <&rcc UART4_K>;
+ wakeup-source;
status = "disabled";
};
uart5: serial@...11000 {
compatible = "st,stm32h7-uart";
reg = <0x40011000 0x400>;
- interrupts = <GIC_SPI 53 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "event", "wakeup";
+ interrupts-extended = <&intc GIC_SPI 53 IRQ_TYPE_LEVEL_HIGH>,
+ <&exti 31 1>;
clocks = <&rcc UART5_K>;
+ wakeup-source;
status = "disabled";
};
@@ -512,16 +524,22 @@
uart7: serial@...18000 {
compatible = "st,stm32h7-uart";
reg = <0x40018000 0x400>;
- interrupts = <GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "event", "wakeup";
+ interrupts-extended = <&intc GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>,
+ <&exti 32 1>;
clocks = <&rcc UART7_K>;
+ wakeup-source;
status = "disabled";
};
uart8: serial@...19000 {
compatible = "st,stm32h7-uart";
reg = <0x40019000 0x400>;
- interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "event", "wakeup";
+ interrupts-extended = <&intc GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>,
+ <&exti 33 1>;
clocks = <&rcc UART8_K>;
+ wakeup-source;
status = "disabled";
};
@@ -588,8 +606,11 @@
usart6: serial@...03000 {
compatible = "st,stm32h7-uart";
reg = <0x44003000 0x400>;
- interrupts = <GIC_SPI 71 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "event", "wakeup";
+ interrupts-extended = <&intc GIC_SPI 71 IRQ_TYPE_LEVEL_HIGH>,
+ <&exti 29 1>;
clocks = <&rcc USART6_K>;
+ wakeup-source;
status = "disabled";
};
@@ -1201,8 +1222,11 @@
usart1: serial@...00000 {
compatible = "st,stm32h7-uart";
reg = <0x5c000000 0x400>;
- interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "event", "wakeup";
+ interrupts-extended = <&intc GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>,
+ <&exti 26 1>;
clocks = <&rcc USART1_K>;
+ wakeup-source;
status = "disabled";
};
--
1.9.1
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