linux-kernel - [PATCH v3 11/15] riscv: dts: microchip: add fpga fabric section to icicle kit

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Message-ID: <20220114151727.2319915-12-conor.dooley@microchip.com>
Date:   Fri, 14 Jan 2022 15:17:23 +0000
From:   <conor.dooley@...rochip.com>
To:     <linus.walleij@...aro.org>, <bgolaszewski@...libre.com>,
        <robh+dt@...nel.org>, <jassisinghbrar@...il.com>,
        <paul.walmsley@...ive.com>, <palmer@...belt.com>,
        <aou@...s.berkeley.edu>, <a.zummo@...ertech.it>,
        <alexandre.belloni@...tlin.com>, <broonie@...nel.org>,
        <gregkh@...uxfoundation.org>, <thierry.reding@...il.com>,
        <u.kleine-koenig@...gutronix.de>, <lee.jones@...aro.org>,
        <linux-gpio@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-i2c@...r.kernel.org>,
        <linux-pwm@...r.kernel.org>, <linux-riscv@...ts.infradead.org>,
        <linux-crypto@...r.kernel.org>, <linux-rtc@...r.kernel.org>,
        <linux-spi@...r.kernel.org>, <linux-usb@...r.kernel.org>
CC:     <krzysztof.kozlowski@...onical.com>, <geert@...ux-m68k.org>,
        <bin.meng@...driver.com>, <heiko@...ech.de>,
        <lewis.hanly@...rochip.com>, <conor.dooley@...rochip.com>,
        <daire.mcnamara@...rochip.com>, <ivan.griffin@...rochip.com>,
        <atishp@...osinc.com>
Subject: [PATCH v3 11/15] riscv: dts: microchip: add fpga fabric section to icicle kit

From: Conor Dooley <conor.dooley@...rochip.com>

Split the device tree for the Microchip MPFS into two sections by adding
microchip-mpfs-fabric.dtsi, which contains peripherals contained in the
FPGA fabric.

Signed-off-by: Conor Dooley <conor.dooley@...rochip.com>
---
 .../dts/microchip/microchip-mpfs-fabric.dtsi  | 25 +++++++++++++++++++
 .../microchip/microchip-mpfs-icicle-kit.dts   |  8 ++++++
 .../boot/dts/microchip/microchip-mpfs.dtsi    |  1 +
 3 files changed, 34 insertions(+)
 create mode 100644 arch/riscv/boot/dts/microchip/microchip-mpfs-fabric.dtsi

diff --git a/arch/riscv/boot/dts/microchip/microchip-mpfs-fabric.dtsi b/arch/riscv/boot/dts/microchip/microchip-mpfs-fabric.dtsi
new file mode 100644
index 000000000000..c1dcd56b0679
--- /dev/null
+++ b/arch/riscv/boot/dts/microchip/microchip-mpfs-fabric.dtsi
@@ -0,0 +1,25 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/* Copyright (c) 2020-2021 Microchip Technology Inc */
+
+/ {
+	core_pwm0: pwm@...00000 {
+		compatible = "microchip,corepwm-rtl-v4";
+		reg = <0x0 0x41000000 0x0 0xF0>;
+		microchip,sync-update = /bits/ 16 <0>;
+		#pwm-cells = <2>;
+		clocks = <&clkcfg CLK_FIC3>;
+		status = "disabled";
+	};
+
+	i2c2: i2c@...00000 {
+		compatible = "microchip,corei2c-rtl-v7";
+		reg = <0x0 0x44000000 0x0 0x1000>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+		clocks = <&clkcfg CLK_FIC3>;
+		interrupt-parent = <&plic>;
+		interrupts = <122>;
+		clock-frequency = <100000>;
+		status = "disabled";
+	};
+};
diff --git a/arch/riscv/boot/dts/microchip/microchip-mpfs-icicle-kit.dts b/arch/riscv/boot/dts/microchip/microchip-mpfs-icicle-kit.dts
index 6d19ba196f12..ab803f71626a 100644
--- a/arch/riscv/boot/dts/microchip/microchip-mpfs-icicle-kit.dts
+++ b/arch/riscv/boot/dts/microchip/microchip-mpfs-icicle-kit.dts
@@ -68,6 +68,10 @@ &mmc {
 	sd-uhs-sdr104;
 };
 
+&i2c2 {
+	status = "okay";
+};
+
 &emac0 {
 	phy-mode = "sgmii";
 	phy-handle = <&phy0>;
@@ -86,3 +90,7 @@ phy1: ethernet-phy@9 {
 		ti,fifo-depth = <0x01>;
 	};
 };
+
+&core_pwm0 {
+	status = "okay";
+};
diff --git a/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi b/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi
index 717e39b30a15..c7d73756c9b8 100644
--- a/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi
+++ b/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi
@@ -3,6 +3,7 @@
 
 /dts-v1/;
 #include "dt-bindings/clock/microchip,mpfs-clock.h"
+#include "microchip-mpfs-fabric.dtsi"
 
 / {
 	#address-cells = <2>;
-- 
2.32.0