Linux-ARM-Kernel Archive on lore.kernel.org
 help / color / mirror / Atom feed
* [PATCH 0/2] arm64: dts: imx93-kontron: Add support for Kontron i.MX93 DL
@ 2026-09-10 15:19 Frieder Schrempf
  2026-09-10 15:19 ` [PATCH 1/2] clk: imx: fracn-gppll: Add 350 MHz support Frieder Schrempf
  2026-09-10 15:19 ` [PATCH 2/2] arm64: dts: imx93-kontron: Add support for Kontron i.MX93 DL Frieder Schrempf
  0 siblings, 2 replies; 6+ messages in thread
From: Frieder Schrempf @ 2026-09-10 15:19 UTC (permalink / raw)
  To: Abel Vesa, Peng Fan, Stephen Boyd, Brian Masney, Jerome Brunet,
	Frank Li, Sascha Hauer, Pengutronix Kernel Team, Fabio Estevam,
	Rob Herring, Krzysztof Kozlowski, Conor Dooley
  Cc: linux-clk, imx, linux-arm-kernel, linux-kernel, devicetree,
	Frieder Schrempf, Mikhail Vaniulin

This adds support for the 7" LVDS panel on Kontron i.MX93 DL
devices.

Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>
---
Mikhail Vaniulin (2):
      clk: imx: fracn-gppll: Add 350 MHz support
      arm64: dts: imx93-kontron: Add support for Kontron i.MX93 DL

 arch/arm64/boot/dts/freescale/Makefile             |   4 +
 .../arm64/boot/dts/freescale/imx93-kontron-dl.dtso | 104 +++++++++++++++++++++
 drivers/clk/imx/clk-fracn-gppll.c                  |   1 +
 3 files changed, 109 insertions(+)
---
base-commit: df2908090cda368b01ff43709f51890076c56157
change-id: 20260910-upstreaming-v7-3-imx93-displayline-b4580e542c85

Best regards,
--  
Frieder Schrempf <frieder.schrempf@kontron.de>



^ permalink raw reply	[flat|nested] 6+ messages in thread

* [PATCH 1/2] clk: imx: fracn-gppll: Add 350 MHz support
  2026-09-10 15:19 [PATCH 0/2] arm64: dts: imx93-kontron: Add support for Kontron i.MX93 DL Frieder Schrempf
@ 2026-09-10 15:19 ` Frieder Schrempf
  2026-09-11  2:02   ` Peng Fan (OSS)
  2026-09-10 15:19 ` [PATCH 2/2] arm64: dts: imx93-kontron: Add support for Kontron i.MX93 DL Frieder Schrempf
  1 sibling, 1 reply; 6+ messages in thread
From: Frieder Schrempf @ 2026-09-10 15:19 UTC (permalink / raw)
  To: Abel Vesa, Peng Fan, Stephen Boyd, Brian Masney, Jerome Brunet,
	Frank Li, Sascha Hauer, Pengutronix Kernel Team, Fabio Estevam,
	Rob Herring, Krzysztof Kozlowski, Conor Dooley
  Cc: linux-clk, imx, linux-arm-kernel, linux-kernel, devicetree,
	Frieder Schrempf, Mikhail Vaniulin

From: Mikhail Vaniulin <mikhail.vaniulin@axians.rs>

Add the 350 MHz frequency support that can be used for display with
pixelclk of 50 MHz. The divider of 7 is important for LVDS output on
i.MX93. It is also usable for parallel output.

Signed-off-by: Mikhail Vaniulin <mikhail.vaniulin@axians.rs>
Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>
---
 drivers/clk/imx/clk-fracn-gppll.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/clk/imx/clk-fracn-gppll.c b/drivers/clk/imx/clk-fracn-gppll.c
index 4048c16c0578..4d83907553c4 100644
--- a/drivers/clk/imx/clk-fracn-gppll.c
+++ b/drivers/clk/imx/clk-fracn-gppll.c
@@ -89,6 +89,7 @@ static const struct imx_fracn_gppll_rate_table fracn_tbl[] = {
 	PLL_FRACN_GP(445333333U, 167, 0, 1, 0, 9),
 	PLL_FRACN_GP(400000000U, 200, 0, 1, 0, 12),
 	PLL_FRACN_GP(393216000U, 163, 84, 100, 0, 10),
+	PLL_FRACN_GP(350000000U, 175, 0, 1, 0, 12),
 	PLL_FRACN_GP(333333333U, 125, 0, 1, 1, 9),
 	PLL_FRACN_GP(332600000U, 138, 584, 1000, 0, 10),
 	PLL_FRACN_GP(300000000U, 150, 0, 1, 0, 12),

-- 
2.55.0



^ permalink raw reply related	[flat|nested] 6+ messages in thread

* [PATCH 2/2] arm64: dts: imx93-kontron: Add support for Kontron i.MX93 DL
  2026-09-10 15:19 [PATCH 0/2] arm64: dts: imx93-kontron: Add support for Kontron i.MX93 DL Frieder Schrempf
  2026-09-10 15:19 ` [PATCH 1/2] clk: imx: fracn-gppll: Add 350 MHz support Frieder Schrempf
@ 2026-09-10 15:19 ` Frieder Schrempf
  2026-09-10 16:37   ` Frank Li
  1 sibling, 1 reply; 6+ messages in thread
From: Frieder Schrempf @ 2026-09-10 15:19 UTC (permalink / raw)
  To: Abel Vesa, Peng Fan, Stephen Boyd, Brian Masney, Jerome Brunet,
	Frank Li, Sascha Hauer, Pengutronix Kernel Team, Fabio Estevam,
	Rob Herring, Krzysztof Kozlowski, Conor Dooley
  Cc: linux-clk, imx, linux-arm-kernel, linux-kernel, devicetree,
	Frieder Schrempf, Mikhail Vaniulin

From: Mikhail Vaniulin <mikhail.vaniulin@axians.rs>

This provides an overlay to enable the 7" LVDS panel on Kontron
i.MX93 DL devices.

Signed-off-by: Mikhail Vaniulin <mikhail.vaniulin@axians.rs>
Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>
---
 arch/arm64/boot/dts/freescale/Makefile             |   4 +
 .../arm64/boot/dts/freescale/imx93-kontron-dl.dtso | 104 +++++++++++++++++++++
 2 files changed, 108 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index 95ae85ab4adf..2f0d3378c050 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -653,6 +653,10 @@ dtb-$(CONFIG_ARCH_MXC) += imx93-11x11-frdm-pixpaper.dtb
 
 dtb-$(CONFIG_ARCH_MXC) += imx93-14x14-evk.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx93-kontron-bl-osm-s.dtb
+
+imx93-kontron-dl-dtbs += imx93-kontron-bl-osm-s.dtb imx93-kontron-dl.dtbo
+dtb-$(CONFIG_ARCH_MXC) += imx93-kontron-dl.dtb
+
 dtb-$(CONFIG_ARCH_MXC) += imx93-phyboard-nash.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx93-phyboard-segin.dtb
 
diff --git a/arch/arm64/boot/dts/freescale/imx93-kontron-dl.dtso b/arch/arm64/boot/dts/freescale/imx93-kontron-dl.dtso
new file mode 100644
index 000000000000..2d962823dfeb
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx93-kontron-dl.dtso
@@ -0,0 +1,104 @@
+// SPDX-License-Identifier: GPL-2.0+ OR MIT
+/*
+ * Copyright (C) 2024 Kontron Electronics GmbH
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+
+&{/} {
+	model = "Kontron DL i.MX93 OSM-S";
+	compatible = "kontron,imx93-bl-osm-s", "kontron,imx93-osm-s", "fsl,imx93";
+
+	backlight: backlight {
+		compatible = "pwm-backlight";
+		pwms = <&tpm3 3 50000 0>;
+		brightness-levels = <0 100>;
+		num-interpolated-steps = <100>;
+		default-brightness-level = <100>;
+	};
+
+	panel {
+		compatible = "jenson,bl-jt60050-01a", "panel-lvds";
+		backlight = <&backlight>;
+		data-mapping = "vesa-24";
+		enable-gpios = <&gpio2 29 GPIO_ACTIVE_HIGH>;
+		power-supply = <&reg_vcc_panel>;
+		height-mm = <86>;
+		width-mm = <154>;
+
+		panel-timing {
+			clock-frequency = <50000000>;
+			hactive = <1024>;
+			hback-porch = <160>;
+			hfront-porch = <160>;
+			hsync-len = <1>;
+			vactive = <600>;
+			vback-porch = <23>;
+			vfront-porch = <12>;
+			vsync-len = <1>;
+		};
+
+		port {
+			panel_in_lvds0: endpoint {
+				remote-endpoint = <&ldb_lvds_ch0>;
+			};
+		};
+	};
+};
+
+&gpio3 {
+	panel-rst-hog {
+		gpio-hog;
+		gpios = <26 GPIO_ACTIVE_LOW>;
+		output-low;
+		line-name = "panel-reset";
+	};
+
+	panel-stby-hog {
+		gpio-hog;
+		gpios = <27 GPIO_ACTIVE_HIGH>;
+		output-high;
+		line-name = "panel-standby";
+	};
+};
+
+&lcdif {
+	status = "okay";
+};
+
+&ldb_lvds_ch0 {
+	remote-endpoint = <&panel_in_lvds0>;
+};
+
+&lpi2c2 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	status = "okay";
+
+	touchscreen@5d {
+		compatible = "goodix,gt928";
+		reg = <0x5d>;
+		interrupt-parent = <&gpio2>;
+		interrupts = <22 IRQ_TYPE_LEVEL_LOW>;
+		irq-gpios = <&gpio2 22 GPIO_ACTIVE_HIGH>;
+		AVDD28-supply = <&reg_vcc_panel>;
+		VDDIO-supply = <&reg_vcc_panel>;
+		reset-gpios = <&gpio2 28 GPIO_ACTIVE_HIGH>;
+	};
+};
+
+&lvds_bridge {
+	status = "okay";
+};
+
+&media_blk_ctrl {
+	status = "okay";
+};
+
+&tpm3 {
+	status = "okay";
+};

-- 
2.55.0



^ permalink raw reply related	[flat|nested] 6+ messages in thread

* Re: [PATCH 2/2] arm64: dts: imx93-kontron: Add support for Kontron i.MX93 DL
  2026-09-10 15:19 ` [PATCH 2/2] arm64: dts: imx93-kontron: Add support for Kontron i.MX93 DL Frieder Schrempf
@ 2026-09-10 16:37   ` Frank Li
  0 siblings, 0 replies; 6+ messages in thread
From: Frank Li @ 2026-09-10 16:37 UTC (permalink / raw)
  To: Frieder Schrempf
  Cc: Abel Vesa, Peng Fan, Stephen Boyd, Brian Masney, Jerome Brunet,
	Frank Li, Sascha Hauer, Pengutronix Kernel Team, Fabio Estevam,
	Rob Herring, Krzysztof Kozlowski, Conor Dooley, linux-clk, imx,
	linux-arm-kernel, linux-kernel, devicetree, Frieder Schrempf,
	Mikhail Vaniulin

On Thu, Sep 10, 2026 at 05:19:07PM +0200, Frieder Schrempf wrote:
> From: Mikhail Vaniulin <mikhail.vaniulin@axians.rs>
>
> This provides an overlay to enable the 7" LVDS panel on Kontron
> i.MX93 DL devices.
>
> Signed-off-by: Mikhail Vaniulin <mikhail.vaniulin@axians.rs>
> Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>
> ---

Can you use similar method to share 7" lvds for other boards also

https://lore.kernel.org/imx/20260910-verdin-imx8mp-hmp-camera-ready-v1-0-3c9349ecdb9f@toradex.com/T/#t

Frank

>  arch/arm64/boot/dts/freescale/Makefile             |   4 +
>  .../arm64/boot/dts/freescale/imx93-kontron-dl.dtso | 104 +++++++++++++++++++++
>  2 files changed, 108 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
> index 95ae85ab4adf..2f0d3378c050 100644
> --- a/arch/arm64/boot/dts/freescale/Makefile
> +++ b/arch/arm64/boot/dts/freescale/Makefile
> @@ -653,6 +653,10 @@ dtb-$(CONFIG_ARCH_MXC) += imx93-11x11-frdm-pixpaper.dtb
>
>  dtb-$(CONFIG_ARCH_MXC) += imx93-14x14-evk.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx93-kontron-bl-osm-s.dtb
> +
> +imx93-kontron-dl-dtbs += imx93-kontron-bl-osm-s.dtb imx93-kontron-dl.dtbo
> +dtb-$(CONFIG_ARCH_MXC) += imx93-kontron-dl.dtb
> +
>  dtb-$(CONFIG_ARCH_MXC) += imx93-phyboard-nash.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx93-phyboard-segin.dtb
>
> diff --git a/arch/arm64/boot/dts/freescale/imx93-kontron-dl.dtso b/arch/arm64/boot/dts/freescale/imx93-kontron-dl.dtso
> new file mode 100644
> index 000000000000..2d962823dfeb
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx93-kontron-dl.dtso
> @@ -0,0 +1,104 @@
> +// SPDX-License-Identifier: GPL-2.0+ OR MIT
> +/*
> + * Copyright (C) 2024 Kontron Electronics GmbH
> + */
> +
> +/dts-v1/;
> +/plugin/;
> +
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/interrupt-controller/irq.h>
> +
> +&{/} {
> +	model = "Kontron DL i.MX93 OSM-S";
> +	compatible = "kontron,imx93-bl-osm-s", "kontron,imx93-osm-s", "fsl,imx93";
> +
> +	backlight: backlight {
> +		compatible = "pwm-backlight";
> +		pwms = <&tpm3 3 50000 0>;
> +		brightness-levels = <0 100>;
> +		num-interpolated-steps = <100>;
> +		default-brightness-level = <100>;
> +	};
> +
> +	panel {
> +		compatible = "jenson,bl-jt60050-01a", "panel-lvds";
> +		backlight = <&backlight>;
> +		data-mapping = "vesa-24";
> +		enable-gpios = <&gpio2 29 GPIO_ACTIVE_HIGH>;
> +		power-supply = <&reg_vcc_panel>;
> +		height-mm = <86>;
> +		width-mm = <154>;
> +
> +		panel-timing {
> +			clock-frequency = <50000000>;
> +			hactive = <1024>;
> +			hback-porch = <160>;
> +			hfront-porch = <160>;
> +			hsync-len = <1>;
> +			vactive = <600>;
> +			vback-porch = <23>;
> +			vfront-porch = <12>;
> +			vsync-len = <1>;
> +		};
> +
> +		port {
> +			panel_in_lvds0: endpoint {
> +				remote-endpoint = <&ldb_lvds_ch0>;
> +			};
> +		};
> +	};
> +};
> +
> +&gpio3 {
> +	panel-rst-hog {
> +		gpio-hog;
> +		gpios = <26 GPIO_ACTIVE_LOW>;
> +		output-low;
> +		line-name = "panel-reset";
> +	};
> +
> +	panel-stby-hog {
> +		gpio-hog;
> +		gpios = <27 GPIO_ACTIVE_HIGH>;
> +		output-high;
> +		line-name = "panel-standby";
> +	};
> +};
> +
> +&lcdif {
> +	status = "okay";
> +};
> +
> +&ldb_lvds_ch0 {
> +	remote-endpoint = <&panel_in_lvds0>;
> +};
> +
> +&lpi2c2 {
> +	#address-cells = <1>;
> +	#size-cells = <0>;
> +	status = "okay";
> +
> +	touchscreen@5d {
> +		compatible = "goodix,gt928";
> +		reg = <0x5d>;
> +		interrupt-parent = <&gpio2>;
> +		interrupts = <22 IRQ_TYPE_LEVEL_LOW>;
> +		irq-gpios = <&gpio2 22 GPIO_ACTIVE_HIGH>;
> +		AVDD28-supply = <&reg_vcc_panel>;
> +		VDDIO-supply = <&reg_vcc_panel>;
> +		reset-gpios = <&gpio2 28 GPIO_ACTIVE_HIGH>;
> +	};
> +};
> +
> +&lvds_bridge {
> +	status = "okay";
> +};
> +
> +&media_blk_ctrl {
> +	status = "okay";
> +};
> +
> +&tpm3 {
> +	status = "okay";
> +};
>
> --
> 2.55.0
>
>


^ permalink raw reply	[flat|nested] 6+ messages in thread

* RE: [PATCH 1/2] clk: imx: fracn-gppll: Add 350 MHz support
  2026-09-10 15:19 ` [PATCH 1/2] clk: imx: fracn-gppll: Add 350 MHz support Frieder Schrempf
@ 2026-09-11  2:02   ` Peng Fan (OSS)
  2026-09-11 15:14     ` Frank Li
  0 siblings, 1 reply; 6+ messages in thread
From: Peng Fan (OSS) @ 2026-09-11  2:02 UTC (permalink / raw)
  To: Frieder Schrempf, Abel Vesa, Stephen Boyd, Brian Masney,
	Jerome Brunet, Frank Li, Sascha Hauer, Pengutronix Kernel Team,
	Fabio Estevam, Rob Herring, Krzysztof Kozlowski, Conor Dooley
  Cc: linux-clk@vger.kernel.org, imx@lists.linux.dev,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
	Frieder Schrempf, Mikhail Vaniulin

> Subject: [PATCH 1/2] clk: imx: fracn-gppll: Add 350 MHz support
>
> From: Mikhail Vaniulin <mikhail.vaniulin@axians.rs>
>
> Add the 350 MHz frequency support that can be used for display with
> pixelclk of 50 MHz. The divider of 7 is important for LVDS output on
> i.MX93. It is also usable for parallel output.
>
> Signed-off-by: Mikhail Vaniulin <mikhail.vaniulin@axians.rs>
> Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>

Reviewed-by: Peng Fan <peng.fan@nxp.com>

NXP Confidential

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH 1/2] clk: imx: fracn-gppll: Add 350 MHz support
  2026-09-11  2:02   ` Peng Fan (OSS)
@ 2026-09-11 15:14     ` Frank Li
  0 siblings, 0 replies; 6+ messages in thread
From: Frank Li @ 2026-09-11 15:14 UTC (permalink / raw)
  To: Peng Fan (OSS)
  Cc: Frieder Schrempf, Abel Vesa, Stephen Boyd, Brian Masney,
	Jerome Brunet, Frank Li, Sascha Hauer, Pengutronix Kernel Team,
	Fabio Estevam, Rob Herring, Krzysztof Kozlowski, Conor Dooley,
	linux-clk@vger.kernel.org, imx@lists.linux.dev,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
	Frieder Schrempf, Mikhail Vaniulin

On Fri, Sep 11, 2026 at 02:02:06AM +0000, Peng Fan (OSS) wrote:
> > Subject: [PATCH 1/2] clk: imx: fracn-gppll: Add 350 MHz support
> >
> > From: Mikhail Vaniulin <mikhail.vaniulin@axians.rs>
> >
> > Add the 350 MHz frequency support that can be used for display with
> > pixelclk of 50 MHz. The divider of 7 is important for LVDS output on
> > i.MX93. It is also usable for parallel output.
> >
> > Signed-off-by: Mikhail Vaniulin <mikhail.vaniulin@axians.rs>
> > Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>
>
> Reviewed-by: Peng Fan <peng.fan@nxp.com>
>
> NXP Confidential

Please avoid use "NXP Confidential", this is public mail list. Anyone
can see it.

Frank


^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2026-09-11 15:15 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2026-09-10 15:19 [PATCH 0/2] arm64: dts: imx93-kontron: Add support for Kontron i.MX93 DL Frieder Schrempf
2026-09-10 15:19 ` [PATCH 1/2] clk: imx: fracn-gppll: Add 350 MHz support Frieder Schrempf
2026-09-11  2:02   ` Peng Fan (OSS)
2026-09-11 15:14     ` Frank Li
2026-09-10 15:19 ` [PATCH 2/2] arm64: dts: imx93-kontron: Add support for Kontron i.MX93 DL Frieder Schrempf
2026-09-10 16:37   ` Frank Li

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox