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Date: Tue, 11 Jun 2024 12:05:35 +0200
From: Alexander Stein <alexander.stein@...tq-group.com>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.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>, Dong Aisheng <aisheng.dong@....com>, linux-arm-kernel@...ts.infradead.org
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>, Frank Li <Frank.Li@....com>
Subject: Re: [PATCH v2 1/9] arm64: dts: imx8: add basic lvds and lvds2 subsystem
Hi Frank,
Am Montag, 10. Juni 2024, 22:46:18 CEST schrieb Frank Li:
> Add basic lvds and lvds2 subsystem for imx8qm an imx8qxp.
>
> Signed-off-by: Frank Li <Frank.Li@....com>
> ---
> arch/arm64/boot/dts/freescale/imx8-ss-lvds0.dtsi | 63 +++++++++++++
> arch/arm64/boot/dts/freescale/imx8-ss-lvds1.dtsi | 114 +++++++++++++++++++++++
> 2 files changed, 177 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8-ss-lvds0.dtsi b/arch/arm64/boot/dts/freescale/imx8-ss-lvds0.dtsi
> new file mode 100644
> index 0000000000000..55fd60446ad21
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx8-ss-lvds0.dtsi
> @@ -0,0 +1,63 @@
> +// SPDX-License-Identifier: GPL-2.0-only and MIT
> +
> +/*
> + * Copyright 2024 NXP
> + */
> +
> +lvds0_subsys: bus@...40000 {
> + compatible = "simple-bus";
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges = <0x56240000 0x0 0x56240000 0x10000>;
> +
> + qm_lvds0_lis_lpcg: qxp_mipi1_lis_lpcg: clock-controller@...43000 {
> + compatible = "fsl,imx8qxp-lpcg";
> + reg = <0x56243000 0x4>;
> + #clock-cells = <1>;
> + clock-output-names = "mipi1_lis_lpcg_ipg_clk";
> + power-domains = <&pd IMX_SC_R_MIPI_1>;
> + };
> +
> + qm_lvds0_pwm_lpcg: qxp_mipi1_pwm_lpcg: clock-controller@...4300c {
> + compatible = "fsl,imx8qxp-lpcg";
> + reg = <0x5624300c 0x4>;
> + #clock-cells = <1>;
> + clock-output-names = "mipi1_pwm_lpcg_clk",
> + "mipi1_pwm_lpcg_ipg_clk",
> + "mipi1_pwm_lpcg_32k_clk";
> + power-domains = <&pd IMX_SC_R_MIPI_1_PWM_0>;
> + };
> +
> + qm_lvds0_i2c0_lpcg: qxp_mipi1_i2c0_lpcg: clock-controller@...43010 {
> + compatible = "fsl,imx8qxp-lpcg";
> + reg = <0x56243010 0x4>;
> + #clock-cells = <1>;
> + clock-output-names = "mipi1_i2c0_lpcg_clk",
> + "mipi1_i2c0_lpcg_ipg_clk";
> + power-domains = <&pd IMX_SC_R_MIPI_1_I2C_0>;
> + };
> +
> + qm_pwm_lvds0: qxp_pwm_mipi_lvds1: pwm@...44000 {
> + compatible = "fsl,imx8qxp-pwm", "fsl,imx27-pwm";
> + reg = <0x56244000 0x1000>;
> + clock-names = "ipg", "per";
> + assigned-clocks = <&clk IMX_SC_R_MIPI_1_I2C_0 IMX_SC_PM_CLK_PER>;
Is IMX_SC_R_MIPI_1_I2C_0 actually correct? I would have assumed
it's IMX_SC_R_MIPI_1_PWM_0.
> + assigned-clock-rates = <24000000>;
> + #pwm-cells = <3>;
> + power-domains = <&pd IMX_SC_R_MIPI_1_PWM_0>;
> + status = "disabled";
> + };
> +
> + qm_i2c0_lvds0: qxp_i2c0_mipi_lvds1: i2c@...46000 {
> + compatible = "fsl,imx8qxp-lpi2c", "fsl,imx7ulp-lpi2c";
> + reg = <0x56246000 0x1000>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + interrupts = <8>;
> + clock-names = "per", "ipg";
> + assigned-clocks = <&clk IMX_SC_R_MIPI_1_I2C_0 IMX_SC_PM_CLK_PER>;
> + assigned-clock-rates = <24000000>;
> + power-domains = <&pd IMX_SC_R_MIPI_1_I2C_0>;
> + status = "disabled";
> + };
> +};
> diff --git a/arch/arm64/boot/dts/freescale/imx8-ss-lvds1.dtsi b/arch/arm64/boot/dts/freescale/imx8-ss-lvds1.dtsi
> new file mode 100644
> index 0000000000000..12ae4f48e1e1c
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx8-ss-lvds1.dtsi
This is only for imx8qm, no?
It maybe makes sense to rename this file to imx8qm-ss-lvds1.dtsi
Best regards,
Alexander
> @@ -0,0 +1,114 @@
> +// SPDX-License-Identifier: GPL-2.0-only and MIT
> +
> +/*
> + * Copyright 2024 NXP
> + */
> +
> +lvds1_subsys: bus@...40000 {
> + compatible = "simple-bus";
> + interrupt-parent = <&irqsteer_lvds1>;
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges = <0x57240000 0x0 0x57240000 0x10000>;
> +
> + irqsteer_lvds1: interrupt-controller@...40000 {
> + compatible = "fsl,imx8qm-irqsteer", "fsl,imx-irqsteer";
> + reg = <0x57240000 0x1000>;
> + interrupts = <GIC_SPI 58 IRQ_TYPE_LEVEL_HIGH>;
> + interrupt-controller;
> + interrupt-parent = <&gic>;
> + #interrupt-cells = <1>;
> + clocks = <&lvds1_lis_lpcg IMX_LPCG_CLK_4>;
> + clock-names = "ipg";
> + power-domains = <&pd IMX_SC_R_LVDS_1>;
> + fsl,channel = <0>;
> + fsl,num-irqs = <32>;
> + };
> +
> + lvds1_lis_lpcg: clock-controller@...43000 {
> + compatible = "fsl,imx8qxp-lpcg";
> + reg = <0x57243000 0x4>;
> + #clock-cells = <1>;
> + clocks = <&lvds_ipg_clk>;
> + clock-indices = <IMX_LPCG_CLK_4>;
> + clock-output-names = "lvds1_lis_lpcg_ipg_clk";
> + power-domains = <&pd IMX_SC_R_LVDS_1>;
> + };
> +
> + lvds1_pwm_lpcg: clock-controller@...4300c {
> + compatible = "fsl,imx8qxp-lpcg";
> + reg = <0x5724300c 0x4>;
> + #clock-cells = <1>;
> + clocks = <&clk IMX_SC_R_LVDS_1_PWM_0 IMX_SC_PM_CLK_PER>,
> + <&lvds_ipg_clk>;
> + clock-indices = <IMX_LPCG_CLK_0>, <IMX_LPCG_CLK_4>;
> + clock-output-names = "lvds1_pwm_lpcg_clk",
> + "lvds1_pwm_lpcg_ipg_clk";
> + power-domains = <&pd IMX_SC_R_LVDS_1_PWM_0>;
> + };
> +
> + lvds1_i2c0_lpcg: clock-controller@...43010 {
> + compatible = "fsl,imx8qxp-lpcg";
> + reg = <0x57243010 0x4>;
> + #clock-cells = <1>;
> + clocks = <&clk IMX_SC_R_LVDS_1_I2C_0 IMX_SC_PM_CLK_PER>,
> + <&lvds_ipg_clk>;
> + clock-indices = <IMX_LPCG_CLK_0>, <IMX_LPCG_CLK_4>;
> + clock-output-names = "lvds1_i2c0_lpcg_clk",
> + "lvds1_i2c0_lpcg_ipg_clk";
> + power-domains = <&pd IMX_SC_R_LVDS_1_I2C_0>;
> + };
> +
> + lvds1_i2c1_lpcg: clock-controller@...43014 {
> + compatible = "fsl,imx8qxp-lpcg";
> + reg = <0x57243014 0x4>;
> + #clock-cells = <1>;
> + clocks = <&clk IMX_SC_R_LVDS_1_I2C_0 IMX_SC_PM_CLK_PER>,
> + <&lvds_ipg_clk>;
> + clock-indices = <IMX_LPCG_CLK_0>, <IMX_LPCG_CLK_4>;
> + clock-output-names = "lvds1_i2c1_lpcg_clk",
> + "lvds1_i2c1_lpcg_ipg_clk";
> + power-domains = <&pd IMX_SC_R_LVDS_1_I2C_0>;
> + };
> +
> + pwm_lvds1: pwm@...44000 {
> + compatible = "fsl,imx8qxp-pwm", "fsl,imx27-pwm";
> + reg = <0x57244000 0x1000>;
> + clocks = <&lvds1_pwm_lpcg IMX_LPCG_CLK_4>,
> + <&lvds1_pwm_lpcg IMX_LPCG_CLK_0>;
> + clock-names = "ipg", "per";
> + assigned-clocks = <&clk IMX_SC_R_LVDS_1_PWM_0 IMX_SC_PM_CLK_PER>;
> + assigned-clock-rates = <24000000>;
> + #pwm-cells = <3>;
> + power-domains = <&pd IMX_SC_R_LVDS_1_PWM_0>;
> + status = "disabled";
> + };
> +
> + i2c0_lvds1: i2c@...46000 {
> + compatible = "fsl,imx8qm-lpi2c", "fsl,imx7ulp-lpi2c";
> + reg = <0x57246000 0x1000>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + interrupts = <8>;
> + clocks = <&lvds1_i2c0_lpcg IMX_LPCG_CLK_0>,
> + <&lvds1_i2c0_lpcg IMX_LPCG_CLK_4>;
> + clock-names = "per", "ipg";
> + assigned-clocks = <&clk IMX_SC_R_LVDS_1_I2C_0 IMX_SC_PM_CLK_PER>;
> + assigned-clock-rates = <24000000>;
> + power-domains = <&pd IMX_SC_R_LVDS_1_I2C_0>;
> + status = "disabled";
> + };
> +
> + i2c1_lvds1: i2c@...47000 {
> + compatible = "fsl,imx8qm-lpi2c", "fsl,imx7ulp-lpi2c";
> + reg = <0x57247000 0x1000>;
> + interrupts = <9>;
> + clocks = <&lvds1_i2c1_lpcg IMX_LPCG_CLK_0>,
> + <&lvds1_i2c1_lpcg IMX_LPCG_CLK_4>;
> + clock-names = "per", "ipg";
> + assigned-clocks = <&clk IMX_SC_R_LVDS_1_I2C_0 IMX_SC_PM_CLK_PER>;
> + assigned-clock-rates = <24000000>;
> + power-domains = <&pd IMX_SC_R_LVDS_1_I2C_0>;
> + status = "disabled";
> + };
> +};
>
>
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