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Message-ID: <xmhc243pyjxrjcxyf3vdodfakk67ukwjqgmqxouvkrjrwo3icu@t65rlpoqspny>
Date: Tue, 15 Jul 2025 15:05:33 +0300
From: Laurentiu Palcu <laurentiu.palcu@....nxp.com>
To: Frank Li <Frank.li@....com>
Cc: imx@...ts.linux.dev, 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>,
dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH 7/8] arm64: dts: imx943-evk: Add support for DCIF and LVDS
Hi Frank,
On Fri, Jul 11, 2025 at 01:07:06AM -0400, Frank Li wrote:
> On Wed, Jul 09, 2025 at 03:23:26PM +0300, Laurentiu Palcu wrote:
> > Add DT nodes for DCIF and LVDS in imx943.dtsi and activate them in
> > imx943-evk.dts.
> >
> > Signed-off-by: Laurentiu Palcu <laurentiu.palcu@....nxp.com>
> > ---
> > arch/arm64/boot/dts/freescale/imx943-evk.dts | 126 +++++++++++++++++++
>
> Shawn require board dts need sperate patch.
Ok, I'll create a patch for each file.
Thanks,
Laurentiu
>
> > arch/arm64/boot/dts/freescale/imx943.dtsi | 56 ++++++++-
> > 2 files changed, 181 insertions(+), 1 deletion(-)
> >
> > diff --git a/arch/arm64/boot/dts/freescale/imx943-evk.dts b/arch/arm64/boot/dts/freescale/imx943-evk.dts
> > index c8c3eff9df1a2..e7de7ba406407 100644
> > --- a/arch/arm64/boot/dts/freescale/imx943-evk.dts
> > +++ b/arch/arm64/boot/dts/freescale/imx943-evk.dts
> > @@ -125,6 +125,132 @@ memory@...00000 {
> > reg = <0x0 0x80000000 0x0 0x80000000>;
> > device_type = "memory";
> > };
> > +
> > + hdmi-connector {
> > + compatible = "hdmi-connector";
> > + label = "hdmi";
> > + type = "a";
> > +
> > + port {
> > + hdmi_connector_in: endpoint {
> > + remote-endpoint = <&it6263_out>;
> > + };
> > + };
> > + };
> > +};
> > +
> > +&dcif {
> > + status = "okay";
> > +};
> > +
> > +&ldb {
> > + assigned-clocks = <&scmi_clk IMX94_CLK_LDBPLL_VCO>,
> > + <&scmi_clk IMX94_CLK_LDBPLL>;
> > + assigned-clock-rates = <4158000000>, <1039500000>;
> > + status = "okay";
> > +
> > + ports {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
>
> imx94.dts already set it
>
> Frank
> > +
> > + port@1 {
> > + reg = <1>;
> > +
> > + lvds_out: endpoint {
> > + remote-endpoint = <&it6263_in>;
> > + };
> > + };
> > + };
> > +};
> > +
> > +&lpi2c3 {
> > + clock-frequency = <400000>;
> > + pinctrl-0 = <&pinctrl_lpi2c3>;
> > + pinctrl-names = "default";
> > + status = "okay";
> > +
> > + pca9548_i2c3: i2c-mux@77 {
> > + compatible = "nxp,pca9548";
> > + reg = <0x77>;
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > +
> > + i2c@0 {
> > + reg = <0>;
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > + };
> > +
> > + i2c@1 {
> > + reg = <1>;
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > + };
> > +
> > + i2c@2 {
> > + reg = <2>;
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > + };
> > +
> > + i2c@3 {
> > + reg = <3>;
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > +
> > + lvds-to-hdmi-bridge@4c {
> > + compatible = "ite,it6263";
> > + reg = <0x4c>;
> > + data-mapping = "jeida-24";
> > + reset-gpios = <&pcal6416_i2c3_u171 8 GPIO_ACTIVE_HIGH>;
> > +
> > + ports {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > +
> > + port@0 {
> > + reg = <0>;
> > +
> > + it6263_in: endpoint {
> > + remote-endpoint = <&lvds_out>;
> > + };
> > + };
> > +
> > + port@2 {
> > + reg = <2>;
> > +
> > + it6263_out: endpoint {
> > + remote-endpoint = <&hdmi_connector_in>;
> > + };
> > + };
> > + };
> > + };
> > + };
> > +
> > + i2c@4 {
> > + reg = <4>;
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > + };
> > +
> > + i2c@5 {
> > + reg = <5>;
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > + };
> > +
> > + i2c@6 {
> > + reg = <6>;
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > + };
> > +
> > + i2c@7 {
> > + reg = <7>;
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > + };
> > + };
> > };
> >
> > &lpi2c3 {
> > diff --git a/arch/arm64/boot/dts/freescale/imx943.dtsi b/arch/arm64/boot/dts/freescale/imx943.dtsi
> > index 657c81b6016f2..db00a94812e18 100644
> > --- a/arch/arm64/boot/dts/freescale/imx943.dtsi
> > +++ b/arch/arm64/boot/dts/freescale/imx943.dtsi
> > @@ -148,7 +148,7 @@ l3_cache: l3-cache {
> > };
> > };
> >
> > - clock-ldb-pll-div7 {
> > + clock_ldb_pll_div7: clock-ldb-pll-div7 {
> > compatible = "fixed-factor-clock";
> > #clock-cells = <0>;
> > clocks = <&scmi_clk IMX94_CLK_LDBPLL>;
> > @@ -173,10 +173,64 @@ dispmix_csr: syscon@...10000 {
> >
> > lvds_csr: syscon@...c0000 {
> > compatible = "nxp,imx94-lvds-csr", "syscon";
> > + #address-cells = <1>;
> > + #size-cells = <1>;
> > reg = <0x0 0x4b0c0000 0x0 0x10000>;
> > clocks = <&scmi_clk IMX94_CLK_DISPAPB>;
> > #clock-cells = <1>;
> > power-domains = <&scmi_devpd IMX94_PD_DISPLAY>;
> > +
> > + ldb: ldb@4 {
> > + compatible = "fsl,imx94-ldb";
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > + reg = <0x4 0x4>, <0x8 0x4>;
> > + reg-names = "ldb", "lvds";
> > + clocks = <&lvds_csr IMX94_CLK_DISPMIX_LVDS_CLK_GATE>;
> > + clock-names = "ldb";
> > + status = "disabled";
> > +
> > + ports {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > +
> > + port@0 {
> > + reg = <0>;
> > +
> > + lvds_in: endpoint {
> > + remote-endpoint = <&dcif_out>;
> > + };
> > + };
> > +
> > + port@1 {
> > + reg = <1>;
> > + };
> > + };
> > + };
> > + };
> > +
> > + dcif: display-controller@...20000 {
> > + compatible = "nxp,imx94-dcif";
> > + reg = <0x0 0x4b120000 0x0 0x300000>;
> > + interrupts = <GIC_SPI 377 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 378 IRQ_TYPE_LEVEL_HIGH>,
> > + <GIC_SPI 379 IRQ_TYPE_LEVEL_HIGH>;
> > + interrupt-names = "common", "bg_layer", "fg_layer";
> > + clocks = <&scmi_clk IMX94_CLK_DISPAPB>,
> > + <&scmi_clk IMX94_CLK_DISPAXI>,
> > + <&dispmix_csr IMX94_CLK_DISPMIX_CLK_SEL>;
> > + clock-names = "apb", "axi", "pix";
> > + assigned-clocks = <&dispmix_csr IMX94_CLK_DISPMIX_CLK_SEL>;
> > + assigned-clock-parents = <&clock_ldb_pll_div7>;
> > + power-domains = <&scmi_devpd IMX94_PD_DISPLAY>;
> > + nxp,blk-ctrl = <&dispmix_csr>;
> > + status = "disabled";
> > +
> > + port {
> > + dcif_out: endpoint {
> > + remote-endpoint = <&lvds_in>;
> > + };
> > + };
> > };
> > };
> > };
> > --
> > 2.46.1
> >
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