From: Maxime Ripard <maxime@cerno.tech> To: Kevin Tang <kevin3.tang@gmail.com> Cc: airlied@linux.ie, daniel@ffwll.ch, orsonzhai@gmail.com, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, zhang.lyra@gmail.com, baolin.wang@linaro.org Subject: Re: [PATCH RFC 5/8] dt-bindings: display: add Unisoc's mipi dsi&dphy bindings Date: Fri, 13 Dec 2019 10:46:08 +0100 [thread overview] Message-ID: <20191213094608.awut27zbutuxhlsv@gilmour.lan> (raw) In-Reply-To: <1575966995-13757-6-git-send-email-kevin3.tang@gmail.com> [-- Attachment #1: Type: text/plain, Size: 3457 bytes --] On Tue, Dec 10, 2019 at 04:36:32PM +0800, Kevin Tang wrote: > From: Kevin Tang <kevin.tang@unisoc.com> > > Adds MIPI DSI Master and MIPI DSI-PHY (D-PHY) > support for Unisoc's display subsystem. > > Cc: Orson Zhai <orsonzhai@gmail.com> > Cc: Baolin Wang <baolin.wang@linaro.org> > Cc: Chunyan Zhang <zhang.lyra@gmail.com> > Signed-off-by: Kevin Tang <kevin.tang@unisoc.com> > --- > .../devicetree/bindings/display/sprd/dphy.txt | 49 ++++++++++++++++ > .../devicetree/bindings/display/sprd/dsi.txt | 68 ++++++++++++++++++++++ > 2 files changed, 117 insertions(+) > create mode 100644 Documentation/devicetree/bindings/display/sprd/dphy.txt > create mode 100644 Documentation/devicetree/bindings/display/sprd/dsi.txt > > diff --git a/Documentation/devicetree/bindings/display/sprd/dphy.txt b/Documentation/devicetree/bindings/display/sprd/dphy.txt > new file mode 100644 > index 0000000..474c2b2 > --- /dev/null > +++ b/Documentation/devicetree/bindings/display/sprd/dphy.txt > @@ -0,0 +1,49 @@ > +Unisoc MIPI DSI-PHY (D-PHY) > +============================================================================ > + > +Required properties: > + - compatible: value should be "sprd,dsi-phy". > + - reg: must be the dsi controller base address. > + - #address-cells, #size-cells: should be set respectively to <1> and <0> > + > +Video interfaces: > + Device node can contain video interface port nodes according to [1]. > + The following are properties specific to those nodes: > + > + port node inbound: > + - reg: (required) must be 0. > + port node outbound: > + - reg: (required) must be 1. > + > + endpoint node connected from DSI controller node (reg = 0): > + - remote-endpoint: specifies the endpoint in DSI node. > + endpoint node connected to panel node (reg = 1): > + - remote-endpoint: specifies the endpoint in panel node. > + > +[1]: Documentation/devicetree/bindings/media/video-interfaces.txt > + > + > +Example: > + > + dphy: dphy { > + compatible = "sprd,dsi-phy"; > + reg = <0x0 0x63100000 0x0 0x1000>; > + #address-cells = <1>; > + #size-cells = <0>; > + > + /* input port*/ > + port@1 { > + reg = <1>; > + dphy_in: endpoint { > + remote-endpoint = <&dsi_out>; > + }; > + }; > + > + /* output port */ > + port@0 { > + reg = <0>; > + dphy_out: endpoint { > + remote-endpoint = <&panel_in>; > + }; > + }; > + }; There's support for the MIPI D-PHY in the Linux PHY framework now, so it would be a good fit for this (and that would mean using the generic PHY bindings too. > diff --git a/Documentation/devicetree/bindings/display/sprd/dsi.txt b/Documentation/devicetree/bindings/display/sprd/dsi.txt > new file mode 100644 > index 0000000..1719ff5 > --- /dev/null > +++ b/Documentation/devicetree/bindings/display/sprd/dsi.txt > @@ -0,0 +1,68 @@ > +Unisoc MIPI DSI Master > +============================================================================= > + > +Required properties: > + - compatible: value should be "sprd,dsi-host"; > + - reg: physical base address and length of the registers set for the device > + - interrupts: should contain DSI interrupt > + - clocks: list of clock specifiers, must contain an entry for each required > + entry in clock-names > + - clock-names: list of clock names sorted in the same order as the clocks > + property. Again, a list of the expected clock names and what they represent would be great here. Thanks! Maxime [-- Attachment #2: signature.asc --] [-- Type: application/pgp-signature, Size: 228 bytes --]
WARNING: multiple messages have this Message-ID (diff)
From: Maxime Ripard <maxime@cerno.tech> To: Kevin Tang <kevin3.tang@gmail.com> Cc: baolin.wang@linaro.org, airlied@linux.ie, zhang.lyra@gmail.com, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, orsonzhai@gmail.com Subject: Re: [PATCH RFC 5/8] dt-bindings: display: add Unisoc's mipi dsi&dphy bindings Date: Fri, 13 Dec 2019 10:46:08 +0100 [thread overview] Message-ID: <20191213094608.awut27zbutuxhlsv@gilmour.lan> (raw) In-Reply-To: <1575966995-13757-6-git-send-email-kevin3.tang@gmail.com> [-- Attachment #1.1: Type: text/plain, Size: 3457 bytes --] On Tue, Dec 10, 2019 at 04:36:32PM +0800, Kevin Tang wrote: > From: Kevin Tang <kevin.tang@unisoc.com> > > Adds MIPI DSI Master and MIPI DSI-PHY (D-PHY) > support for Unisoc's display subsystem. > > Cc: Orson Zhai <orsonzhai@gmail.com> > Cc: Baolin Wang <baolin.wang@linaro.org> > Cc: Chunyan Zhang <zhang.lyra@gmail.com> > Signed-off-by: Kevin Tang <kevin.tang@unisoc.com> > --- > .../devicetree/bindings/display/sprd/dphy.txt | 49 ++++++++++++++++ > .../devicetree/bindings/display/sprd/dsi.txt | 68 ++++++++++++++++++++++ > 2 files changed, 117 insertions(+) > create mode 100644 Documentation/devicetree/bindings/display/sprd/dphy.txt > create mode 100644 Documentation/devicetree/bindings/display/sprd/dsi.txt > > diff --git a/Documentation/devicetree/bindings/display/sprd/dphy.txt b/Documentation/devicetree/bindings/display/sprd/dphy.txt > new file mode 100644 > index 0000000..474c2b2 > --- /dev/null > +++ b/Documentation/devicetree/bindings/display/sprd/dphy.txt > @@ -0,0 +1,49 @@ > +Unisoc MIPI DSI-PHY (D-PHY) > +============================================================================ > + > +Required properties: > + - compatible: value should be "sprd,dsi-phy". > + - reg: must be the dsi controller base address. > + - #address-cells, #size-cells: should be set respectively to <1> and <0> > + > +Video interfaces: > + Device node can contain video interface port nodes according to [1]. > + The following are properties specific to those nodes: > + > + port node inbound: > + - reg: (required) must be 0. > + port node outbound: > + - reg: (required) must be 1. > + > + endpoint node connected from DSI controller node (reg = 0): > + - remote-endpoint: specifies the endpoint in DSI node. > + endpoint node connected to panel node (reg = 1): > + - remote-endpoint: specifies the endpoint in panel node. > + > +[1]: Documentation/devicetree/bindings/media/video-interfaces.txt > + > + > +Example: > + > + dphy: dphy { > + compatible = "sprd,dsi-phy"; > + reg = <0x0 0x63100000 0x0 0x1000>; > + #address-cells = <1>; > + #size-cells = <0>; > + > + /* input port*/ > + port@1 { > + reg = <1>; > + dphy_in: endpoint { > + remote-endpoint = <&dsi_out>; > + }; > + }; > + > + /* output port */ > + port@0 { > + reg = <0>; > + dphy_out: endpoint { > + remote-endpoint = <&panel_in>; > + }; > + }; > + }; There's support for the MIPI D-PHY in the Linux PHY framework now, so it would be a good fit for this (and that would mean using the generic PHY bindings too. > diff --git a/Documentation/devicetree/bindings/display/sprd/dsi.txt b/Documentation/devicetree/bindings/display/sprd/dsi.txt > new file mode 100644 > index 0000000..1719ff5 > --- /dev/null > +++ b/Documentation/devicetree/bindings/display/sprd/dsi.txt > @@ -0,0 +1,68 @@ > +Unisoc MIPI DSI Master > +============================================================================= > + > +Required properties: > + - compatible: value should be "sprd,dsi-host"; > + - reg: physical base address and length of the registers set for the device > + - interrupts: should contain DSI interrupt > + - clocks: list of clock specifiers, must contain an entry for each required > + entry in clock-names > + - clock-names: list of clock names sorted in the same order as the clocks > + property. Again, a list of the expected clock names and what they represent would be great here. Thanks! Maxime [-- Attachment #1.2: signature.asc --] [-- Type: application/pgp-signature, Size: 228 bytes --] [-- Attachment #2: Type: text/plain, Size: 160 bytes --] _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
next prev parent reply other threads:[~2019-12-13 9:46 UTC|newest] Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-12-10 8:36 [PATCH RFC 0/8] Add Unisoc's drm kms module Kevin Tang 2019-12-10 8:36 ` Kevin Tang 2019-12-10 8:36 ` [PATCH RFC 1/8] dt-bindings: display: add Unisoc's drm master bindings Kevin Tang 2019-12-10 8:36 ` Kevin Tang 2019-12-13 9:42 ` Maxime Ripard 2019-12-13 9:42 ` Maxime Ripard 2019-12-10 8:36 ` [PATCH RFC 2/8] drm/sprd: add Unisoc's drm kms master Kevin Tang 2019-12-10 8:36 ` Kevin Tang 2019-12-10 10:32 ` Thomas Zimmermann 2019-12-10 10:32 ` Thomas Zimmermann 2019-12-10 12:38 ` tang pengchuan 2019-12-10 12:47 ` Thomas Zimmermann 2019-12-10 12:47 ` Thomas Zimmermann 2019-12-10 13:42 ` tang pengchuan 2019-12-11 3:00 ` tang pengchuan 2019-12-10 10:41 ` Daniel Vetter 2019-12-10 10:41 ` Daniel Vetter 2019-12-10 11:40 ` tang pengchuan 2019-12-10 16:06 ` Emil Velikov 2019-12-10 16:06 ` Emil Velikov 2019-12-10 22:01 ` Daniel Vetter 2019-12-10 22:01 ` Daniel Vetter 2019-12-10 8:36 ` [PATCH RFC 3/8] dt-bindings: display: add Unisoc's dpu bindings Kevin Tang 2019-12-10 8:36 ` Kevin Tang 2019-12-13 9:44 ` Maxime Ripard 2019-12-13 9:44 ` Maxime Ripard 2019-12-10 8:36 ` [PATCH RFC 4/8] drm/sprd: add Unisoc's drm display controller driver Kevin Tang 2019-12-10 8:36 ` Kevin Tang 2019-12-10 10:44 ` Thomas Zimmermann 2019-12-10 10:44 ` Thomas Zimmermann 2019-12-10 11:29 ` tang pengchuan 2019-12-10 11:32 ` tang pengchuan 2019-12-10 17:13 ` Emil Velikov 2019-12-10 17:13 ` Emil Velikov 2019-12-11 1:18 ` tang pengchuan 2019-12-11 11:46 ` Emil Velikov 2019-12-11 11:46 ` Emil Velikov 2019-12-10 8:36 ` [PATCH RFC 5/8] dt-bindings: display: add Unisoc's mipi dsi&dphy bindings Kevin Tang 2019-12-10 8:36 ` Kevin Tang 2019-12-13 9:46 ` Maxime Ripard [this message] 2019-12-13 9:46 ` Maxime Ripard 2019-12-10 8:36 ` [PATCH RFC 6/8] drm/sprd: add Unisoc's drm mipi dsi&dphy driver Kevin Tang 2019-12-10 8:36 ` Kevin Tang 2019-12-10 8:36 ` [PATCH RFC 7/8] dt-bindings: display: add Unisoc's generic mipi panel bindings Kevin Tang 2019-12-10 8:36 ` Kevin Tang 2019-12-13 9:48 ` Maxime Ripard 2019-12-13 9:48 ` Maxime Ripard 2019-12-10 8:36 ` [PATCH RFC 8/8] drm/sprd: add Unisoc's drm generic mipi panel driver Kevin Tang 2019-12-10 8:36 ` Kevin Tang 2019-12-10 18:54 ` [PATCH RFC 0/8] Add Unisoc's drm kms module Sam Ravnborg 2019-12-10 18:54 ` Sam Ravnborg 2019-12-12 14:29 ` tang pengchuan
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