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Message-Id: <20240329-m4_lpuart-v4-1-c11d9ca2a317@nxp.com>
Date: Fri, 29 Mar 2024 12:37:05 -0400
From: Frank Li <Frank.Li@....com>
To: Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
Sascha Hauer <s.hauer@...gutronix.de>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
Fabio Estevam <festevam@...il.com>
Cc: devicetree@...r.kernel.org, imx@...ts.linux.dev,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
Frank Li <Frank.Li@....com>, Dong Aisheng <aisheng.dong@....com>,
Alexander Stein <alexander.stein@...tq-group.com>
Subject: [PATCH v4 1/4] arm64: dts: imx8: add cm40 subsystem dtsi
From: Dong Aisheng <aisheng.dong@....com>
Add cm40 subsystem dtsi.
Signed-off-by: Dong Aisheng <aisheng.dong@....com>
Reviewed-by: Alexander Stein <alexander.stein@...tq-group.com>
Signed-off-by: Frank Li <Frank.Li@....com>
---
arch/arm64/boot/dts/freescale/imx8-ss-cm40.dtsi | 67 +++++++++++++++++++++++++
arch/arm64/boot/dts/freescale/imx8dxl.dtsi | 2 +
arch/arm64/boot/dts/freescale/imx8qxp.dtsi | 1 +
3 files changed, 70 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8-ss-cm40.dtsi b/arch/arm64/boot/dts/freescale/imx8-ss-cm40.dtsi
new file mode 100644
index 0000000000000..10a05db06ade9
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8-ss-cm40.dtsi
@@ -0,0 +1,67 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2019 NXP
+ * Dong Aisheng <aisheng.dong@....com>
+ */
+
+#include <dt-bindings/firmware/imx/rsrc.h>
+
+cm40_ipg_clk: clock-cm40-ipg {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <132000000>;
+ clock-output-names = "cm40_ipg_clk";
+};
+
+cm40_subsys: bus@...00000 {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0x34000000 0x0 0x34000000 0x4000000>;
+ interrupt-parent = <&cm40_intmux>;
+
+ cm40_i2c: i2c@...30000 {
+ compatible = "fsl,imx8qxp-lpi2c", "fsl,imx7ulp-lpi2c";
+ reg = <0x37230000 0x1000>;
+ interrupts = <9 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&cm40_i2c_lpcg IMX_LPCG_CLK_0>,
+ <&cm40_i2c_lpcg IMX_LPCG_CLK_4>;
+ clock-names = "per", "ipg";
+ assigned-clocks = <&clk IMX_SC_R_M4_0_I2C IMX_SC_PM_CLK_PER>;
+ assigned-clock-rates = <24000000>;
+ power-domains = <&pd IMX_SC_R_M4_0_I2C>;
+ status = "disabled";
+ };
+
+ cm40_intmux: intmux@...00000 {
+ compatible = "fsl,imx-intmux";
+ reg = <0x37400000 0x1000>;
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ clocks = <&cm40_ipg_clk>;
+ clock-names = "ipg";
+ power-domains = <&pd IMX_SC_R_M4_0_INTMUX>;
+ status = "disabled";
+ };
+
+ cm40_i2c_lpcg: clock-controller@...30000 {
+ compatible = "fsl,imx8qxp-lpcg";
+ reg = <0x37630000 0x1000>;
+ #clock-cells = <1>;
+ clocks = <&clk IMX_SC_R_M4_0_I2C IMX_SC_PM_CLK_PER>,
+ <&cm40_ipg_clk>;
+ clock-indices = <IMX_LPCG_CLK_0>, <IMX_LPCG_CLK_4>;
+ clock-output-names = "cm40_lpcg_i2c_clk",
+ "cm40_lpcg_i2c_ipg_clk";
+ power-domains = <&pd IMX_SC_R_M4_0_I2C>;
+ };
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8dxl.dtsi b/arch/arm64/boot/dts/freescale/imx8dxl.dtsi
index a0674c5c55766..9d49c75a26222 100644
--- a/arch/arm64/boot/dts/freescale/imx8dxl.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8dxl.dtsi
@@ -5,6 +5,7 @@
#include <dt-bindings/clock/imx8-clock.h>
#include <dt-bindings/dma/fsl-edma.h>
+#include <dt-bindings/clock/imx8-lpcg.h>
#include <dt-bindings/firmware/imx/rsrc.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
@@ -231,6 +232,7 @@ xtal24m: clock-xtal24m {
};
/* sorted in register address */
+ #include "imx8-ss-cm40.dtsi"
#include "imx8-ss-adma.dtsi"
#include "imx8-ss-conn.dtsi"
#include "imx8-ss-ddr.dtsi"
diff --git a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
index 10e16d84c0c3b..0313f295de2e9 100644
--- a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
@@ -317,6 +317,7 @@ map0 {
/* sorted in register address */
#include "imx8-ss-img.dtsi"
#include "imx8-ss-vpu.dtsi"
+ #include "imx8-ss-cm40.dtsi"
#include "imx8-ss-gpu0.dtsi"
#include "imx8-ss-adma.dtsi"
#include "imx8-ss-conn.dtsi"
--
2.34.1
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