1. Patchew
  2. linux
  3. [PATCH v2 0/2] DRM: panel: add support for Sharp LQ079L1SX01 panel
  4. View patch

[PATCH v2 1/2] dt-bindings: display: panel: document Sharp LQ079L1SX01 panel

Svyatoslav Ryhel posted 2 patches 5 months ago
There is a newer version of this series
[PATCH v2 1/2] dt-bindings: display: panel: document Sharp LQ079L1SX01 panel
Posted by Svyatoslav Ryhel 5 months ago 
Document Sharp LQ079L1SX01 panel found in Xiaomi Mi Pad.

Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
---
 .../display/panel/sharp,lq079l1sx01.yaml      | 99 +++++++++++++++++++
 1 file changed, 99 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/panel/sharp,lq079l1sx01.yaml

diff --git a/Documentation/devicetree/bindings/display/panel/sharp,lq079l1sx01.yaml b/Documentation/devicetree/bindings/display/panel/sharp,lq079l1sx01.yaml
new file mode 100644
index 000000000000..08a35ebbbb3c
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/sharp,lq079l1sx01.yaml
@@ -0,0 +1,99 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/sharp,lq079l1sx01.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Sharp Microelectronics 7.9" WQXGA TFT LCD panel
+
+maintainers:
+  - Svyatoslav Ryhel <clamor95@gmail.com>
+
+description: >
+  This panel requires a dual-channel DSI host to operate and it supports
+  only left-right split mode, where each channel drives the left or right
+  half of the screen and only video mode.
+
+  Each of the DSI channels controls a separate DSI peripheral.
+  The peripheral driven by the first link (DSI-LINK1), left one, is
+  considered the primary peripheral and controls the device.
+
+allOf:
+  - $ref: panel-common-dual.yaml#
+
+properties:
+  compatible:
+    const: sharp,lq079l1sx01
+
+  reg:
+    maxItems: 1
+
+  avdd-supply:
+    description: regulator that supplies the analog voltage
+
+  vddio-supply:
+    description: regulator that supplies the I/O voltage
+
+  vsp-supply:
+    description: positive boost supply regulator
+
+  vsn-supply:
+    description: negative boost supply regulator
+
+  reset-gpios:
+    maxItems: 1
+
+  backlight: true
+  ports: true
+
+required:
+  - compatible
+  - reg
+  - avdd-supply
+  - vddio-supply
+  - ports
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    dsi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        panel@0 {
+            compatible = "sharp,lq079l1sx01";
+            reg = <0>;
+
+            reset-gpios = <&gpio 59 GPIO_ACTIVE_LOW>;
+
+            avdd-supply = <&avdd_lcd>;
+            vddio-supply = <&vdd_lcd_io>;
+            vsp-supply = <&vsp_5v5_lcd>;
+            vsn-supply = <&vsn_5v5_lcd>;
+
+            backlight = <&backlight>;
+
+            ports {
+                #address-cells = <1>;
+                #size-cells = <0>;
+
+                port@0 {
+                    reg = <0>;
+                    panel_in0: endpoint {
+                        remote-endpoint = <&dsi0_out>;
+                    };
+                };
+
+                port@1 {
+                    reg = <1>;
+                    panel_in1: endpoint {
+                        remote-endpoint = <&dsi1_out>;
+                    };
+                };
+            };
+        };
+    };
+...
-- 
2.48.1
Re: [PATCH v2 1/2] dt-bindings: display: panel: document Sharp LQ079L1SX01 panel
Posted by Neil Armstrong 4 months, 3 weeks ago 
Hi,

On 12/09/2025 08:42, Svyatoslav Ryhel wrote:
> Document Sharp LQ079L1SX01 panel found in Xiaomi Mi Pad.

The patch doesn't apply on drm-misc-next, please rebase.

Neil

> 
> Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
> ---
>   .../display/panel/sharp,lq079l1sx01.yaml      | 99 +++++++++++++++++++
>   1 file changed, 99 insertions(+)
>   create mode 100644 Documentation/devicetree/bindings/display/panel/sharp,lq079l1sx01.yaml
> 
> diff --git a/Documentation/devicetree/bindings/display/panel/sharp,lq079l1sx01.yaml b/Documentation/devicetree/bindings/display/panel/sharp,lq079l1sx01.yaml
> new file mode 100644
> index 000000000000..08a35ebbbb3c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/panel/sharp,lq079l1sx01.yaml
> @@ -0,0 +1,99 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/panel/sharp,lq079l1sx01.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Sharp Microelectronics 7.9" WQXGA TFT LCD panel
> +
> +maintainers:
> +  - Svyatoslav Ryhel <clamor95@gmail.com>
> +
> +description: >
> +  This panel requires a dual-channel DSI host to operate and it supports
> +  only left-right split mode, where each channel drives the left or right
> +  half of the screen and only video mode.
> +
> +  Each of the DSI channels controls a separate DSI peripheral.
> +  The peripheral driven by the first link (DSI-LINK1), left one, is
> +  considered the primary peripheral and controls the device.
> +
> +allOf:
> +  - $ref: panel-common-dual.yaml#
> +
> +properties:
> +  compatible:
> +    const: sharp,lq079l1sx01
> +
> +  reg:
> +    maxItems: 1
> +
> +  avdd-supply:
> +    description: regulator that supplies the analog voltage
> +
> +  vddio-supply:
> +    description: regulator that supplies the I/O voltage
> +
> +  vsp-supply:
> +    description: positive boost supply regulator
> +
> +  vsn-supply:
> +    description: negative boost supply regulator
> +
> +  reset-gpios:
> +    maxItems: 1
> +
> +  backlight: true
> +  ports: true
> +
> +required:
> +  - compatible
> +  - reg
> +  - avdd-supply
> +  - vddio-supply
> +  - ports
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/gpio/gpio.h>
> +
> +    dsi {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        panel@0 {
> +            compatible = "sharp,lq079l1sx01";
> +            reg = <0>;
> +
> +            reset-gpios = <&gpio 59 GPIO_ACTIVE_LOW>;
> +
> +            avdd-supply = <&avdd_lcd>;
> +            vddio-supply = <&vdd_lcd_io>;
> +            vsp-supply = <&vsp_5v5_lcd>;
> +            vsn-supply = <&vsn_5v5_lcd>;
> +
> +            backlight = <&backlight>;
> +
> +            ports {
> +                #address-cells = <1>;
> +                #size-cells = <0>;
> +
> +                port@0 {
> +                    reg = <0>;
> +                    panel_in0: endpoint {
> +                        remote-endpoint = <&dsi0_out>;
> +                    };
> +                };
> +
> +                port@1 {
> +                    reg = <1>;
> +                    panel_in1: endpoint {
> +                        remote-endpoint = <&dsi1_out>;
> +                    };
> +                };
> +            };
> +        };
> +    };
> +...
Re: [PATCH v2 1/2] dt-bindings: display: panel: document Sharp LQ079L1SX01 panel
Posted by Svyatoslav Ryhel 4 months, 3 weeks ago 
пт, 19 вер. 2025 р. о 17:36 Neil Armstrong <neil.armstrong@linaro.org> пише:
>
> Hi,
>
> On 12/09/2025 08:42, Svyatoslav Ryhel wrote:
> > Document Sharp LQ079L1SX01 panel found in Xiaomi Mi Pad.
>
> The patch doesn't apply on drm-misc-next, please rebase.
>

Sure, but I have synced with drm-misc-next right now and it applied cleanly.

I am on top of 048deed5faf0 (drm/drm-misc-next) drm/panel: Add support
for KD116N3730A12

Top commit is correct on my side?

> Neil
>
> >
> > Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
> > ---
> >   .../display/panel/sharp,lq079l1sx01.yaml      | 99 +++++++++++++++++++
> >   1 file changed, 99 insertions(+)
> >   create mode 100644 Documentation/devicetree/bindings/display/panel/sharp,lq079l1sx01.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/display/panel/sharp,lq079l1sx01.yaml b/Documentation/devicetree/bindings/display/panel/sharp,lq079l1sx01.yaml
> > new file mode 100644
> > index 000000000000..08a35ebbbb3c
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/display/panel/sharp,lq079l1sx01.yaml
> > @@ -0,0 +1,99 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/display/panel/sharp,lq079l1sx01.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Sharp Microelectronics 7.9" WQXGA TFT LCD panel
> > +
> > +maintainers:
> > +  - Svyatoslav Ryhel <clamor95@gmail.com>
> > +
> > +description: >
> > +  This panel requires a dual-channel DSI host to operate and it supports
> > +  only left-right split mode, where each channel drives the left or right
> > +  half of the screen and only video mode.
> > +
> > +  Each of the DSI channels controls a separate DSI peripheral.
> > +  The peripheral driven by the first link (DSI-LINK1), left one, is
> > +  considered the primary peripheral and controls the device.
> > +
> > +allOf:
> > +  - $ref: panel-common-dual.yaml#
> > +
> > +properties:
> > +  compatible:
> > +    const: sharp,lq079l1sx01
> > +
> > +  reg:
> > +    maxItems: 1
> > +
> > +  avdd-supply:
> > +    description: regulator that supplies the analog voltage
> > +
> > +  vddio-supply:
> > +    description: regulator that supplies the I/O voltage
> > +
> > +  vsp-supply:
> > +    description: positive boost supply regulator
> > +
> > +  vsn-supply:
> > +    description: negative boost supply regulator
> > +
> > +  reset-gpios:
> > +    maxItems: 1
> > +
> > +  backlight: true
> > +  ports: true
> > +
> > +required:
> > +  - compatible
> > +  - reg
> > +  - avdd-supply
> > +  - vddio-supply
> > +  - ports
> > +
> > +additionalProperties: false
> > +
> > +examples:
> > +  - |
> > +    #include <dt-bindings/gpio/gpio.h>
> > +
> > +    dsi {
> > +        #address-cells = <1>;
> > +        #size-cells = <0>;
> > +
> > +        panel@0 {
> > +            compatible = "sharp,lq079l1sx01";
> > +            reg = <0>;
> > +
> > +            reset-gpios = <&gpio 59 GPIO_ACTIVE_LOW>;
> > +
> > +            avdd-supply = <&avdd_lcd>;
> > +            vddio-supply = <&vdd_lcd_io>;
> > +            vsp-supply = <&vsp_5v5_lcd>;
> > +            vsn-supply = <&vsn_5v5_lcd>;
> > +
> > +            backlight = <&backlight>;
> > +
> > +            ports {
> > +                #address-cells = <1>;
> > +                #size-cells = <0>;
> > +
> > +                port@0 {
> > +                    reg = <0>;
> > +                    panel_in0: endpoint {
> > +                        remote-endpoint = <&dsi0_out>;
> > +                    };
> > +                };
> > +
> > +                port@1 {
> > +                    reg = <1>;
> > +                    panel_in1: endpoint {
> > +                        remote-endpoint = <&dsi1_out>;
> > +                    };
> > +                };
> > +            };
> > +        };
> > +    };
> > +...
>
Re: [PATCH v2 1/2] dt-bindings: display: panel: document Sharp LQ079L1SX01 panel
Posted by Svyatoslav Ryhel 4 months, 3 weeks ago 
пт, 19 вер. 2025 р. о 17:45 Svyatoslav Ryhel <clamor95@gmail.com> пише:
>
> пт, 19 вер. 2025 р. о 17:36 Neil Armstrong <neil.armstrong@linaro.org> пише:
> >
> > Hi,
> >
> > On 12/09/2025 08:42, Svyatoslav Ryhel wrote:
> > > Document Sharp LQ079L1SX01 panel found in Xiaomi Mi Pad.
> >
> > The patch doesn't apply on drm-misc-next, please rebase.
> >

Ok, I see where conflict is, I will send rebased version within an hour.

>
> Sure, but I have synced with drm-misc-next right now and it applied cleanly.
>
> I am on top of 048deed5faf0 (drm/drm-misc-next) drm/panel: Add support
> for KD116N3730A12
>
> Top commit is correct on my side?
>
> > Neil
> >
> > >
> > > Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
> > > ---
> > >   .../display/panel/sharp,lq079l1sx01.yaml      | 99 +++++++++++++++++++
> > >   1 file changed, 99 insertions(+)
> > >   create mode 100644 Documentation/devicetree/bindings/display/panel/sharp,lq079l1sx01.yaml
> > >
> > > diff --git a/Documentation/devicetree/bindings/display/panel/sharp,lq079l1sx01.yaml b/Documentation/devicetree/bindings/display/panel/sharp,lq079l1sx01.yaml
> > > new file mode 100644
> > > index 000000000000..08a35ebbbb3c
> > > --- /dev/null
> > > +++ b/Documentation/devicetree/bindings/display/panel/sharp,lq079l1sx01.yaml
> > > @@ -0,0 +1,99 @@
> > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > > +%YAML 1.2
> > > +---
> > > +$id: http://devicetree.org/schemas/display/panel/sharp,lq079l1sx01.yaml#
> > > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > > +
> > > +title: Sharp Microelectronics 7.9" WQXGA TFT LCD panel
> > > +
> > > +maintainers:
> > > +  - Svyatoslav Ryhel <clamor95@gmail.com>
> > > +
> > > +description: >
> > > +  This panel requires a dual-channel DSI host to operate and it supports
> > > +  only left-right split mode, where each channel drives the left or right
> > > +  half of the screen and only video mode.
> > > +
> > > +  Each of the DSI channels controls a separate DSI peripheral.
> > > +  The peripheral driven by the first link (DSI-LINK1), left one, is
> > > +  considered the primary peripheral and controls the device.
> > > +
> > > +allOf:
> > > +  - $ref: panel-common-dual.yaml#
> > > +
> > > +properties:
> > > +  compatible:
> > > +    const: sharp,lq079l1sx01
> > > +
> > > +  reg:
> > > +    maxItems: 1
> > > +
> > > +  avdd-supply:
> > > +    description: regulator that supplies the analog voltage
> > > +
> > > +  vddio-supply:
> > > +    description: regulator that supplies the I/O voltage
> > > +
> > > +  vsp-supply:
> > > +    description: positive boost supply regulator
> > > +
> > > +  vsn-supply:
> > > +    description: negative boost supply regulator
> > > +
> > > +  reset-gpios:
> > > +    maxItems: 1
> > > +
> > > +  backlight: true
> > > +  ports: true
> > > +
> > > +required:
> > > +  - compatible
> > > +  - reg
> > > +  - avdd-supply
> > > +  - vddio-supply
> > > +  - ports
> > > +
> > > +additionalProperties: false
> > > +
> > > +examples:
> > > +  - |
> > > +    #include <dt-bindings/gpio/gpio.h>
> > > +
> > > +    dsi {
> > > +        #address-cells = <1>;
> > > +        #size-cells = <0>;
> > > +
> > > +        panel@0 {
> > > +            compatible = "sharp,lq079l1sx01";
> > > +            reg = <0>;
> > > +
> > > +            reset-gpios = <&gpio 59 GPIO_ACTIVE_LOW>;
> > > +
> > > +            avdd-supply = <&avdd_lcd>;
> > > +            vddio-supply = <&vdd_lcd_io>;
> > > +            vsp-supply = <&vsp_5v5_lcd>;
> > > +            vsn-supply = <&vsn_5v5_lcd>;
> > > +
> > > +            backlight = <&backlight>;
> > > +
> > > +            ports {
> > > +                #address-cells = <1>;
> > > +                #size-cells = <0>;
> > > +
> > > +                port@0 {
> > > +                    reg = <0>;
> > > +                    panel_in0: endpoint {
> > > +                        remote-endpoint = <&dsi0_out>;
> > > +                    };
> > > +                };
> > > +
> > > +                port@1 {
> > > +                    reg = <1>;
> > > +                    panel_in1: endpoint {
> > > +                        remote-endpoint = <&dsi1_out>;
> > > +                    };
> > > +                };
> > > +            };
> > > +        };
> > > +    };
> > > +...
> >
Re: [PATCH v2 1/2] dt-bindings: display: panel: document Sharp LQ079L1SX01 panel
Posted by Rob Herring (Arm) 4 months, 3 weeks ago 
On Fri, 12 Sep 2025 09:42:52 +0300, Svyatoslav Ryhel wrote:
> Document Sharp LQ079L1SX01 panel found in Xiaomi Mi Pad.
> 
> Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
> ---
>  .../display/panel/sharp,lq079l1sx01.yaml      | 99 +++++++++++++++++++
>  1 file changed, 99 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/panel/sharp,lq079l1sx01.yaml
> 

Reviewed-by: Rob Herring (Arm) <robh@kernel.org>

Patchew 2.1-devel-b67e4c2

© 2016 - 2026 Red Hat, Inc.