From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexandre Courbot Subject: [PATCH v3 3/5] dt-bindings: Add documentation for GM20B GPU Date: Mon, 28 Mar 2016 18:23:02 +0900 Message-ID: <1459156984-32644-4-git-send-email-acourbot@nvidia.com> References: <1459156984-32644-1-git-send-email-acourbot@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1459156984-32644-1-git-send-email-acourbot-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Stephen Warren , Thierry Reding Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, gnurou-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, Alexandre Courbot List-Id: devicetree@vger.kernel.org GM20B's definition is mostly similar to GK20A's, but requires an additional clock. Signed-off-by: Alexandre Courbot Acked-by: Rob Herring --- .../devicetree/bindings/gpu/nvidia,gk20a.txt | 29 +++++++++++++++++++--- 1 file changed, 26 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/gpu/nvidia,gk20a.txt b/Documentation/devicetree/bindings/gpu/nvidia,gk20a.txt index 1e3748337319..ff3db65e50de 100644 --- a/Documentation/devicetree/bindings/gpu/nvidia,gk20a.txt +++ b/Documentation/devicetree/bindings/gpu/nvidia,gk20a.txt @@ -1,9 +1,10 @@ -NVIDIA GK20A Graphics Processing Unit +NVIDIA Tegra Graphics Processing Units Required properties: - compatible: "nvidia," Currently recognized values: - nvidia,gk20a + - nvidia,gm20b - reg: Physical base address and length of the controller's registers. Must contain two entries: - first entry for bar0 @@ -19,6 +20,9 @@ Required properties: - clock-names: Must include the following entries: - gpu - pwr +If the compatible string is "nvidia,gm20b", then the following clock +is also required: + - ref - resets: Must contain an entry for each entry in reset-names. See ../reset/reset.txt for details. - reset-names: Must include the following entries: @@ -27,9 +31,9 @@ Required properties: Optional properties: - iommus: A reference to the IOMMU. See ../iommu/iommu.txt for details. -Example: +Example for GK20A: - gpu@0,57000000 { + gpu@57000000 { compatible = "nvidia,gk20a"; reg = <0x0 0x57000000 0x0 0x01000000>, <0x0 0x58000000 0x0 0x01000000>; @@ -45,3 +49,22 @@ Example: iommus = <&mc TEGRA_SWGROUP_GPU>; status = "disabled"; }; + +Example for GM20B: + + gpu@57000000 { + compatible = "nvidia,gm20b"; + reg = <0x0 0x57000000 0x0 0x01000000>, + <0x0 0x58000000 0x0 0x01000000>; + interrupts = , + ; + interrupt-names = "stall", "nonstall"; + clocks = <&tegra_car TEGRA210_CLK_GPU>, + <&tegra_car TEGRA210_CLK_PLL_P_OUT5>, + <&tegra_car TEGRA210_CLK_PLL_G_REF>; + clock-names = "gpu", "pwr", "ref"; + resets = <&tegra_car 184>; + reset-names = "gpu"; + iommus = <&mc TEGRA_SWGROUP_GPU>; + status = "disabled"; + }; -- 2.7.3 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html