Re: [PATCH v4 1/4] arm64: dts: imx8: add cm40 subsystem dtsi
From: Peng Fan
Date: Sun Mar 31 2024 - 21:03:25 EST
On Fri, Mar 29, 2024 at 12:37:05PM -0400, Frank Li wrote:
>From: Dong Aisheng <aisheng.dong@xxxxxxx>
>
>Add cm40 subsystem dtsi.
>
>Signed-off-by: Dong Aisheng <aisheng.dong@xxxxxxx>
>Reviewed-by: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx>
>Signed-off-by: Frank Li <Frank.Li@xxxxxxx>
>---
> 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
The time needs to be 2024, otherwise LGTM:
Reviewed-by: Peng Fan <peng.fan@xxxxxxx>
>+ * Dong Aisheng <aisheng.dong@xxxxxxx>
>+ */
>+
>+#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@34000000 {
>+ compatible = "simple-bus";
>+ #address-cells = <1>;
>+ #size-cells = <1>;
>+ ranges = <0x34000000 0x0 0x34000000 0x4000000>;
>+ interrupt-parent = <&cm40_intmux>;
>+
>+ cm40_i2c: i2c@37230000 {
>+ 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@37400000 {
>+ 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@37630000 {
>+ 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
>
--