arm64: dts: imx8qxp: orginize dts in subsystems

MX8 SoC is comprised of a few HW subsystems while some of them can be
reused in the different SoCs. So let's re-orginize them into subsystems
in device tree as well for the possible reuse of the common part.

Note, as there's still no devices of hsio subsys, so removed it
first instead of creating a subsys headfile with no devices.
They will be added back when new devices added.

Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: devicetree@vger.kernel.org
Cc: Sascha Hauer <kernel@pengutronix.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

1 files changed, 86 insertions, 0 deletions

diff --git a/arch/arm64/boot/dts/freescale/imx8-ss-conn.dtsi b/arch/arm64/boot/dts/freescale/imx8-ss-conn.dtsi
new file mode 100644
index 000000000000..e7c442585b34
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8-ss-conn.dtsi
@@ -0,0 +1,86 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2018-2019 NXP
+ *	Dong Aisheng <aisheng.dong@nxp.com>
+ */
+
+conn_subsys: bus@5b000000 {
+	compatible = "simple-bus";
+	#address-cells = <1>;
+	#size-cells = <1>;
+	ranges = <0x5b000000 0x0 0x5b000000 0x1000000>;
+
+	conn_lpcg: clock-controller@5b200000 {
+		reg = <0x5b200000 0xb0000>;
+		#clock-cells = <1>;
+	};
+
+	usdhc1: mmc@5b010000 {
+		interrupts = <GIC_SPI 232 IRQ_TYPE_LEVEL_HIGH>;
+		reg = <0x5b010000 0x10000>;
+		clocks = <&conn_lpcg IMX_CONN_LPCG_SDHC0_IPG_CLK>,
+			 <&conn_lpcg IMX_CONN_LPCG_SDHC0_HCLK>,
+			 <&conn_lpcg IMX_CONN_LPCG_SDHC0_PER_CLK>;
+		clock-names = "ipg", "ahb", "per";
+		power-domains = <&pd IMX_SC_R_SDHC_0>;
+		status = "disabled";
+	};
+
+	usdhc2: mmc@5b020000 {
+		interrupts = <GIC_SPI 233 IRQ_TYPE_LEVEL_HIGH>;
+		reg = <0x5b020000 0x10000>;
+		clocks = <&conn_lpcg IMX_CONN_LPCG_SDHC1_IPG_CLK>,
+			 <&conn_lpcg IMX_CONN_LPCG_SDHC1_HCLK>,
+			 <&conn_lpcg IMX_CONN_LPCG_SDHC1_PER_CLK>;
+		clock-names = "ipg", "ahb", "per";
+		power-domains = <&pd IMX_SC_R_SDHC_1>;
+		fsl,tuning-start-tap = <20>;
+		fsl,tuning-step= <2>;
+		status = "disabled";
+	};
+
+	usdhc3: mmc@5b030000 {
+		interrupts = <GIC_SPI 234 IRQ_TYPE_LEVEL_HIGH>;
+		reg = <0x5b030000 0x10000>;
+		clocks = <&conn_lpcg IMX_CONN_LPCG_SDHC2_IPG_CLK>,
+			 <&conn_lpcg IMX_CONN_LPCG_SDHC2_HCLK>,
+			 <&conn_lpcg IMX_CONN_LPCG_SDHC2_PER_CLK>;
+		clock-names = "ipg", "ahb", "per";
+		power-domains = <&pd IMX_SC_R_SDHC_2>;
+		status = "disabled";
+	};
+
+	fec1: ethernet@5b040000 {
+		reg = <0x5b040000 0x10000>;
+		interrupts = <GIC_SPI 258 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 256 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 257 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 259 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&conn_lpcg IMX_CONN_LPCG_ENET0_IPG_CLK>,
+			 <&conn_lpcg IMX_CONN_LPCG_ENET0_AHB_CLK>,
+			 <&conn_lpcg IMX_CONN_LPCG_ENET0_TX_CLK>,
+			 <&conn_lpcg IMX_CONN_LPCG_ENET0_ROOT_CLK>;
+		clock-names = "ipg", "ahb", "enet_clk_ref", "ptp";
+		fsl,num-tx-queues=<3>;
+		fsl,num-rx-queues=<3>;
+		power-domains = <&pd IMX_SC_R_ENET_0>;
+		status = "disabled";
+	};
+
+	fec2: ethernet@5b050000 {
+		reg = <0x5b050000 0x10000>;
+		interrupts = <GIC_SPI 262 IRQ_TYPE_LEVEL_HIGH>,
+				<GIC_SPI 260 IRQ_TYPE_LEVEL_HIGH>,
+				<GIC_SPI 261 IRQ_TYPE_LEVEL_HIGH>,
+				<GIC_SPI 263 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&conn_lpcg IMX_CONN_LPCG_ENET1_IPG_CLK>,
+			 <&conn_lpcg IMX_CONN_LPCG_ENET1_AHB_CLK>,
+			 <&conn_lpcg IMX_CONN_LPCG_ENET1_TX_CLK>,
+			 <&conn_lpcg IMX_CONN_LPCG_ENET1_ROOT_CLK>;
+		clock-names = "ipg", "ahb", "enet_clk_ref", "ptp";
+		fsl,num-tx-queues=<3>;
+		fsl,num-rx-queues=<3>;
+		power-domains = <&pd IMX_SC_R_ENET_1>;
+		status = "disabled";
+	};
+};