From: Lucas Stach <l.stach@pengutronix.de> To: David Airlie <airlied@linux.ie>, Rob Herring <robh+dt@kernel.org>, Shawn Guo <shawnguo@kernel.org>, Andrew Lunn <andrew@lunn.ch> Cc: devicetree@vger.kernel.org, Jason Cooper <jason@lakedaemon.net>, dri-devel@lists.freedesktop.org, patchwork-lst@pengutronix.de, kernel@pengutronix.de, Gregory Clement <gregory.clement@free-electrons.com>, Russell King <rmk+kernel@arm.linux.org.uk>, linux-arm-kernel@lists.infradead.org, Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Subject: [PATCH v2 02/14] drm/etnaviv: add devicetree bindings Date: Wed, 9 Dec 2015 12:48:15 +0100 [thread overview] Message-ID: <1449661707-30532-2-git-send-email-l.stach@pengutronix.de> (raw) In-Reply-To: <1449661707-30532-1-git-send-email-l.stach@pengutronix.de> Etnaviv follows the same priciple as imx-drm to have a virtual master device node to bind all the individual GPU cores together into one DRM device. Signed-off-by: Lucas Stach <l.stach@pengutronix.de> --- v2: Add note why a more specific compatible isn't needed for GPU core nodes. --- .../bindings/display/etnaviv/etnaviv-drm.txt | 49 ++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/etnaviv/etnaviv-drm.txt diff --git a/Documentation/devicetree/bindings/display/etnaviv/etnaviv-drm.txt b/Documentation/devicetree/bindings/display/etnaviv/etnaviv-drm.txt new file mode 100644 index 000000000000..01254f40b11b --- /dev/null +++ b/Documentation/devicetree/bindings/display/etnaviv/etnaviv-drm.txt @@ -0,0 +1,49 @@ +Etnaviv DRM master device +================================ + +The Etnaviv DRM master device is a virtual device needed to list all +Vivante GPU cores that comprise the GPU subsystem. + +Required properties: +- compatible: Should be one of + "fsl,imx-gpu-subsystem" + "marvell,dove-gpu-subsystem" +- cores: Should contain a list of phandles pointing to Vivante GPU devices + +example: + +gpu-subsystem { + compatible = "fsl,imx-gpu-subsystem"; + cores = <&gpu_2d>, <&gpu_3d>; +}; + + +Vivante GPU core devices +==================== + +Required properties: +- compatible: Should be "vivante,gc" + A more specific compatible is not needed, as the cores contain chip + identification registers at fixed locations, which provide all the + necessary information to the driver. +- reg: should be register base and length as documented in the + datasheet +- interrupts: Should contain the cores interrupt line +- clocks: should contain one clock for entry in clock-names + see Documentation/devicetree/bindings/clock/clock-bindings.txt +- clock-names: + - "bus": AXI/register clock + - "core": GPU core clock + - "shader": Shader clock (only required if GPU has feature PIPE_3D) + +example: + +gpu_3d: gpu@00130000 { + compatible = "vivante,gc"; + reg = <0x00130000 0x4000>; + interrupts = <0 9 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clks IMX6QDL_CLK_GPU3D_AXI>, + <&clks IMX6QDL_CLK_GPU3D_CORE>, + <&clks IMX6QDL_CLK_GPU3D_SHADER>; + clock-names = "bus", "core", "shader"; +}; -- 2.6.2 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/dri-devel
WARNING: multiple messages have this Message-ID (diff)
From: l.stach@pengutronix.de (Lucas Stach) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v2 02/14] drm/etnaviv: add devicetree bindings Date: Wed, 9 Dec 2015 12:48:15 +0100 [thread overview] Message-ID: <1449661707-30532-2-git-send-email-l.stach@pengutronix.de> (raw) In-Reply-To: <1449661707-30532-1-git-send-email-l.stach@pengutronix.de> Etnaviv follows the same priciple as imx-drm to have a virtual master device node to bind all the individual GPU cores together into one DRM device. Signed-off-by: Lucas Stach <l.stach@pengutronix.de> --- v2: Add note why a more specific compatible isn't needed for GPU core nodes. --- .../bindings/display/etnaviv/etnaviv-drm.txt | 49 ++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/etnaviv/etnaviv-drm.txt diff --git a/Documentation/devicetree/bindings/display/etnaviv/etnaviv-drm.txt b/Documentation/devicetree/bindings/display/etnaviv/etnaviv-drm.txt new file mode 100644 index 000000000000..01254f40b11b --- /dev/null +++ b/Documentation/devicetree/bindings/display/etnaviv/etnaviv-drm.txt @@ -0,0 +1,49 @@ +Etnaviv DRM master device +================================ + +The Etnaviv DRM master device is a virtual device needed to list all +Vivante GPU cores that comprise the GPU subsystem. + +Required properties: +- compatible: Should be one of + "fsl,imx-gpu-subsystem" + "marvell,dove-gpu-subsystem" +- cores: Should contain a list of phandles pointing to Vivante GPU devices + +example: + +gpu-subsystem { + compatible = "fsl,imx-gpu-subsystem"; + cores = <&gpu_2d>, <&gpu_3d>; +}; + + +Vivante GPU core devices +==================== + +Required properties: +- compatible: Should be "vivante,gc" + A more specific compatible is not needed, as the cores contain chip + identification registers at fixed locations, which provide all the + necessary information to the driver. +- reg: should be register base and length as documented in the + datasheet +- interrupts: Should contain the cores interrupt line +- clocks: should contain one clock for entry in clock-names + see Documentation/devicetree/bindings/clock/clock-bindings.txt +- clock-names: + - "bus": AXI/register clock + - "core": GPU core clock + - "shader": Shader clock (only required if GPU has feature PIPE_3D) + +example: + +gpu_3d: gpu at 00130000 { + compatible = "vivante,gc"; + reg = <0x00130000 0x4000>; + interrupts = <0 9 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clks IMX6QDL_CLK_GPU3D_AXI>, + <&clks IMX6QDL_CLK_GPU3D_CORE>, + <&clks IMX6QDL_CLK_GPU3D_SHADER>; + clock-names = "bus", "core", "shader"; +}; -- 2.6.2
next prev parent reply other threads:[~2015-12-09 11:48 UTC|newest] Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-12-09 11:48 [PATCH v2 01/14] devicetree: add vendor prefix for Vivante Corporation Lucas Stach 2015-12-09 11:48 ` Lucas Stach 2015-12-09 11:48 ` Lucas Stach [this message] 2015-12-09 11:48 ` [PATCH v2 02/14] drm/etnaviv: add devicetree bindings Lucas Stach [not found] ` <1449661707-30532-2-git-send-email-l.stach-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org> 2015-12-09 20:14 ` Rob Herring 2015-12-09 20:14 ` Rob Herring 2015-12-09 11:48 ` [PATCH v2 03/14] drm/etnaviv: add etnaviv UAPI header Lucas Stach 2015-12-09 11:48 ` Lucas Stach 2015-12-09 11:48 ` [PATCH v2 04/14] drm/etnaviv: add generated hardware description headers Lucas Stach 2015-12-09 11:48 ` Lucas Stach 2015-12-09 11:48 ` [PATCH v2 07/14] drm/etnaviv: add GEM submit and cmdstream validation bits Lucas Stach 2015-12-09 11:48 ` Lucas Stach 2015-12-09 11:48 ` [PATCH v2 08/14] drm/etnaviv: add GPU MMU handling functionality Lucas Stach 2015-12-09 11:48 ` Lucas Stach 2015-12-09 11:48 ` [PATCH v2 11/14] MAINTAINERS: add maintainer and reviewers for the etnaviv DRM driver Lucas Stach 2015-12-09 11:48 ` Lucas Stach [not found] ` <1449661707-30532-1-git-send-email-l.stach-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org> 2015-12-09 11:48 ` [PATCH v2 05/14] drm/etnaviv: add GPU core driver Lucas Stach 2015-12-09 11:48 ` Lucas Stach 2015-12-09 11:48 ` [PATCH v2 06/14] drm/etnaviv: add GEM core functionality Lucas Stach 2015-12-09 11:48 ` Lucas Stach 2015-12-09 11:48 ` [PATCH v2 09/14] drm/etnaviv: add GPU core dump functionality Lucas Stach 2015-12-09 11:48 ` Lucas Stach 2015-12-09 11:48 ` [PATCH v2 10/14] drm/etnaviv: add master driver and hook up in Kconfig and Makefile Lucas Stach 2015-12-09 11:48 ` Lucas Stach 2015-12-09 11:48 ` [PATCH v2 12/14] ARM: dts: imx6: add Vivante GPU nodes Lucas Stach 2015-12-09 11:48 ` Lucas Stach 2015-12-09 11:48 ` [PATCH v2 13/14] ARM: dts: dove: add DT GPU support Lucas Stach 2015-12-09 11:48 ` Lucas Stach [not found] ` <1449661707-30532-13-git-send-email-l.stach-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org> 2015-12-14 13:31 ` Lucas Stach 2015-12-14 13:31 ` Lucas Stach [not found] ` <1450099862.3163.38.camel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org> 2015-12-14 13:56 ` Gregory CLEMENT 2015-12-14 13:56 ` Gregory CLEMENT 2015-12-09 11:48 ` [PATCH v2 14/14] ARM: dts: enable GPU for SolidRun's Cubox Lucas Stach 2015-12-09 11:48 ` Lucas Stach
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