From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexandre Courbot Subject: [PATCH 2/5] ARM: tegra: of: add GK20A device tree binding Date: Mon, 19 May 2014 18:24:07 +0900 Message-ID: <1400491450-19223-3-git-send-email-acourbot@nvidia.com> References: <1400491450-19223-1-git-send-email-acourbot@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1400491450-19223-1-git-send-email-acourbot@nvidia.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Ben Skeggs , Stephen Warren , Thierry Reding Cc: gnurou@gmail.com, nouveau@lists.freedesktop.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-tegra@vger.kernel.org List-Id: linux-tegra@vger.kernel.org Add the device tree binding documentation for the GK20A GPU used in Tegra K1 SoCs. Signed-off-by: Alexandre Courbot --- .../devicetree/bindings/gpu/nvidia,gk20a.txt | 45 ++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpu/nvidia,gk20a.txt diff --git a/Documentation/devicetree/bindings/gpu/nvidia,gk20a.txt b/Documentation/devicetree/bindings/gpu/nvidia,gk20a.txt new file mode 100644 index 000000000000..eda04c963af0 --- /dev/null +++ b/Documentation/devicetree/bindings/gpu/nvidia,gk20a.txt @@ -0,0 +1,45 @@ +NVIDIA GK20A Graphics Processing Unit + +Required properties: +- compatible: "nvidia,-" + Currently recognized values: + - nvidia,tegra124-gk20a +- reg: Physical base address and length of the controller's registers. + Must contain two entries: + - first entry for bar0 + - second entry for bar1 +- interrupts: The interrupt outputs from the controller. +- interrupt-names: Must include the following entries: + - stall + - nonstall +- vdd-supply: regulator for supply voltage. +- clocks: Must contain an entry for each entry in clock-names. + See ../clocks/clock-bindings.txt for details. +- clock-names: Must include the following entries: + - gpu + - pll +- resets: Must contain an entry for each entry in reset-names. + See ../reset/reset.txt for details. +- reset-names: Must include the following entries: + - gpu + +Example: + +/ { + gpu@0,57000000 { + compatible = "nvidia,gk20a"; + reg = <0x0 0x57000000 0x0 0x01000000>, + <0x0 0x58000000 0x0 0x01000000>; + interrupts = , + ; + interrupt-names = "stall", "nonstall"; + vdd-supply = <&vdd_gpu>; + clocks = <&tegra_car TEGRA124_CLK_GPU>, + <&tegra_car TEGRA124_CLK_PLL_P_OUT5>; + clock-names = "gpu", "pll"; + resets = <&tegra_car 184>; + reset-names = "gpu"; + status = "disabled"; + }; + +}; -- 1.9.2