linux-kernel - [PATCH 1/3] dts: socfpga: Change Mercury+ AA1 devicetree to header

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Date:   Mon, 30 May 2022 15:08:37 +0200
From:   Paweł Anikiel <pan@...ihalf.com>
To:     soc@...nel.org, linux-arm-kernel@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     arnd@...db.de, olof@...om.net, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, dinguyen@...nel.org,
        Paweł Anikiel <pan@...ihalf.com>
Subject: [PATCH 1/3] dts: socfpga: Change Mercury+ AA1 devicetree to header

The Mercury+ AA1 is not a standalone board, rather it's a module
with an Arria 10 SoC and some peripherals on it. Remove everything that
is not strictly related to the module.

Signed-off-by: Paweł Anikiel <pan@...ihalf.com>
---
 arch/arm/boot/dts/Makefile                    |  1 -
 ...1.dts => socfpga_arria10_mercury_aa1.dtsi} | 68 ++++---------------
 2 files changed, 14 insertions(+), 55 deletions(-)
 rename arch/arm/boot/dts/{socfpga_arria10_mercury_aa1.dts => socfpga_arria10_mercury_aa1.dtsi} (58%)

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index edfbedaa6168..023c8b4ba45c 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -1146,7 +1146,6 @@ dtb-$(CONFIG_ARCH_S5PV210) += \
 	s5pv210-torbreck.dtb
 dtb-$(CONFIG_ARCH_INTEL_SOCFPGA) += \
 	socfpga_arria5_socdk.dtb \
-	socfpga_arria10_mercury_aa1.dtb \
 	socfpga_arria10_socdk_nand.dtb \
 	socfpga_arria10_socdk_qspi.dtb \
 	socfpga_arria10_socdk_sdmmc.dtb \
diff --git a/arch/arm/boot/dts/socfpga_arria10_mercury_aa1.dts b/arch/arm/boot/dts/socfpga_arria10_mercury_aa1.dtsi
similarity index 58%
rename from arch/arm/boot/dts/socfpga_arria10_mercury_aa1.dts
rename to arch/arm/boot/dts/socfpga_arria10_mercury_aa1.dtsi
index a75c059b6727..fee1fc39bb2b 100644
--- a/arch/arm/boot/dts/socfpga_arria10_mercury_aa1.dts
+++ b/arch/arm/boot/dts/socfpga_arria10_mercury_aa1.dtsi
@@ -1,57 +1,38 @@
 // SPDX-License-Identifier: GPL-2.0
-/dts-v1/;
-
+/*
+ * Copyright 2022 Google LLC
+ */
 #include "socfpga_arria10.dtsi"
 
 / {
-
-	model = "Enclustra Mercury AA1";
-	compatible = "enclustra,mercury-aa1", "altr,socfpga-arria10", "altr,socfpga";
-
 	aliases {
 		ethernet0 = &gmac0;
 		serial1 = &uart1;
-		i2c0 = &i2c0;
-		i2c1 = &i2c1;
-	};
-
-	memory@0 {
-		name = "memory";
-		device_type = "memory";
-		reg = <0x0 0x80000000>; /* 2GB */
 	};
 
 	chosen {
 		stdout-path = "serial1:115200n8";
 	};
-};
 
-&eccmgr {
-	sdmmca-ecc@...c2c00 {
-		compatible = "altr,socfpga-sdmmc-ecc";
-		reg = <0xff8c2c00 0x400>;
-		altr,ecc-parent = <&mmc>;
-		interrupts = <15 IRQ_TYPE_LEVEL_HIGH>,
-			     <47 IRQ_TYPE_LEVEL_HIGH>,
-			     <16 IRQ_TYPE_LEVEL_HIGH>,
-			     <48 IRQ_TYPE_LEVEL_HIGH>;
+	memory@0 {
+		name = "memory";
+		device_type = "memory";
+		reg = <0x0 0x80000000>; /* 2GB */
 	};
 };
 
 &gmac0 {
 	phy-mode = "rgmii";
-	phy-addr = <0xffffffff>; /* probe for phy addr */
+	phy-handle = <&phy3>;
 
 	max-frame-size = <3800>;
-	status = "okay";
-
-	phy-handle = <&phy3>;
 
 	mdio {
 		#address-cells = <1>;
 		#size-cells = <0>;
 		compatible = "snps,dwmac-mdio";
 		phy3: ethernet-phy@3 {
+			reg = <3>;
 			txd0-skew-ps = <0>; /* -420ps */
 			txd1-skew-ps = <0>; /* -420ps */
 			txd2-skew-ps = <0>; /* -420ps */
@@ -64,35 +45,23 @@ phy3: ethernet-phy@3 {
 			txc-skew-ps = <1860>; /* 960ps */
 			rxdv-skew-ps = <420>; /* 0ps */
 			rxc-skew-ps = <1680>; /* 780ps */
-			reg = <3>;
 		};
 	};
 };
 
-&gpio0 {
-	status = "okay";
-};
-
-&gpio1 {
-	status = "okay";
-};
-
-&gpio2 {
-	status = "okay";
-};
-
 &i2c1 {
-	status = "okay";
+	atsha204a: atsha204a@64 {
+		compatible = "atmel,atsha204a";
+		reg = <0x64>;
+	};
+
 	isl12022: isl12022@6f {
-		status = "okay";
 		compatible = "isil,isl12022";
 		reg = <0x6f>;
 	};
 };
 
-/* Following mappings are taken from arria10 socdk dts */
 &mmc {
-	status = "okay";
 	cap-sd-highspeed;
 	broken-cd;
 	bus-width = <4>;
@@ -101,12 +70,3 @@ &mmc {
 &osc1 {
 	clock-frequency = <33330000>;
 };
-
-&uart1 {
-	status = "okay";
-};
-
-&usb0 {
-	status = "okay";
-	dr_mode = "host";
-};
-- 
2.36.1.124.g0e6072fb45-goog