From 7beba56566d50144d29c3e805e2b325b8de15b21 Mon Sep 17 00:00:00 2001
From: Fabrice Gasnier <fabrice.gasnier@st.com>
Date: Wed, 23 May 2018 11:30:00 +0200
Subject: ARM: dts: stm32: Add DFSDM support to stm32mp157c

stm32mp157c has DFSDM (Digital Filter For Sigma Delta Modulators) hardware
with 6 filter instances.

Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
---
 arch/arm/boot/dts/stm32mp157c.dtsi | 70 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)

(limited to 'arch/arm/boot/dts/stm32mp157c.dtsi')

diff --git a/arch/arm/boot/dts/stm32mp157c.dtsi b/arch/arm/boot/dts/stm32mp157c.dtsi
index 19b003f81a26..a4d4b62f365c 100644
--- a/arch/arm/boot/dts/stm32mp157c.dtsi
+++ b/arch/arm/boot/dts/stm32mp157c.dtsi
@@ -556,6 +556,76 @@
 			};
 		};
 
+		dfsdm: dfsdm@4400d000 {
+			compatible = "st,stm32mp1-dfsdm";
+			reg = <0x4400d000 0x800>;
+			clocks = <&rcc DFSDM_K>;
+			clock-names = "dfsdm";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+
+			dfsdm0: filter@0 {
+				compatible = "st,stm32-dfsdm-adc";
+				#io-channel-cells = <1>;
+				reg = <0>;
+				interrupts = <GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH>;
+				dmas = <&dmamux1 101 0x400 0x01>;
+				dma-names = "rx";
+				status = "disabled";
+			};
+
+			dfsdm1: filter@1 {
+				compatible = "st,stm32-dfsdm-adc";
+				#io-channel-cells = <1>;
+				reg = <1>;
+				interrupts = <GIC_SPI 111 IRQ_TYPE_LEVEL_HIGH>;
+				dmas = <&dmamux1 102 0x400 0x01>;
+				dma-names = "rx";
+				status = "disabled";
+			};
+
+			dfsdm2: filter@2 {
+				compatible = "st,stm32-dfsdm-adc";
+				#io-channel-cells = <1>;
+				reg = <2>;
+				interrupts = <GIC_SPI 112 IRQ_TYPE_LEVEL_HIGH>;
+				dmas = <&dmamux1 103 0x400 0x01>;
+				dma-names = "rx";
+				status = "disabled";
+			};
+
+			dfsdm3: filter@3 {
+				compatible = "st,stm32-dfsdm-adc";
+				#io-channel-cells = <1>;
+				reg = <3>;
+				interrupts = <GIC_SPI 113 IRQ_TYPE_LEVEL_HIGH>;
+				dmas = <&dmamux1 104 0x400 0x01>;
+				dma-names = "rx";
+				status = "disabled";
+			};
+
+			dfsdm4: filter@4 {
+				compatible = "st,stm32-dfsdm-adc";
+				#io-channel-cells = <1>;
+				reg = <4>;
+				interrupts = <GIC_SPI 115 IRQ_TYPE_LEVEL_HIGH>;
+				dmas = <&dmamux1 91 0x400 0x01>;
+				dma-names = "rx";
+				status = "disabled";
+			};
+
+			dfsdm5: filter@5 {
+				compatible = "st,stm32-dfsdm-adc";
+				#io-channel-cells = <1>;
+				reg = <5>;
+				interrupts = <GIC_SPI 126 IRQ_TYPE_LEVEL_HIGH>;
+				dmas = <&dmamux1 92 0x400 0x01>;
+				dma-names = "rx";
+				status = "disabled";
+			};
+		};
+
 		m_can1: can@4400e000 {
 			compatible = "bosch,m_can";
 			reg = <0x4400e000 0x400>, <0x44011000 0x2800>;
-- 
cgit