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[2003:e4:1f20:1d00:f22f:74ff:fe1f:3a53]) by smtp.gmail.com with ESMTPSA id z12-20020adfd0cc000000b002bdff778d87sm13470524wrh.34.2023.01.20.09.31.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 20 Jan 2023 09:31:14 -0800 (PST) From: Thierry Reding To: David Airlie , Daniel Vetter , Thomas Zimmermann Cc: Jon Hunter , Robin Murphy , dri-devel@lists.freedesktop.org, linux-tegra@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH v4 8/8] arm64: tegra: Add simple framebuffer on Jetson Xavier NX Date: Fri, 20 Jan 2023 18:31:03 +0100 Message-Id: <20230120173103.4002342-9-thierry.reding@gmail.com> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230120173103.4002342-1-thierry.reding@gmail.com> References: <20230120173103.4002342-1-thierry.reding@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org From: Thierry Reding Add the framebuffer carveout reserved memory node as well as a simple- framebuffer node that is used to bind to the framebuffer that the bootloader has set up. Signed-off-by: Thierry Reding --- Changes in v2: - clear out dynamic fields and leave it up to firmware to fill them in - mark simple-framebuffer node as disabled by default .../nvidia/tegra194-p3509-0000+p3668-0001.dts | 43 +++++++++++++++++++ arch/arm64/boot/dts/nvidia/tegra194.dtsi | 2 +- 2 files changed, 44 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p3509-0000+p3668-0001.dts b/arch/arm64/boot/dts/nvidia/tegra194-p3509-0000+p3668-0001.dts index 238fd98e8e45..85b4aaa2ad4e 100644 --- a/arch/arm64/boot/dts/nvidia/tegra194-p3509-0000+p3668-0001.dts +++ b/arch/arm64/boot/dts/nvidia/tegra194-p3509-0000+p3668-0001.dts @@ -7,4 +7,47 @@ / { model = "NVIDIA Jetson Xavier NX Developer Kit (eMMC)"; compatible = "nvidia,p3509-0000+p3668-0001", "nvidia,tegra194"; + + chosen { + framebuffer { + compatible = "simple-framebuffer"; + status = "disabled"; + memory-region = <&fb>; + power-domains = <&bpmp TEGRA194_POWER_DOMAIN_DISP>; + clocks = <&bpmp TEGRA194_CLK_SOR1_REF>, + <&bpmp TEGRA194_CLK_SOR1_OUT>, + <&bpmp TEGRA194_CLK_SOR1_PAD_CLKOUT>, + <&bpmp TEGRA194_CLK_PLLD2>, + <&bpmp TEGRA194_CLK_PLLDP>, + <&bpmp TEGRA194_CLK_NVDISPLAY_DISP>, + <&bpmp TEGRA194_CLK_NVDISPLAYHUB>, + <&bpmp TEGRA194_CLK_NVDISPLAY_P0>; + width = <0>; + height = <0>; + stride = <0>; + format = "x8b8g8r8"; + }; + }; + + reserved-memory { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + fb: framebuffer@0,0 { + compatible = "framebuffer"; + reg = <0x0 0x0 0x0 0x0>; + iommu-addresses = <&dc0 0x0 0x0 0x0 0x0>; + }; + }; + + bus@0 { + host1x@13e00000 { + display-hub@15200000 { + display@15200000 { + memory-region = <&fb>; + }; + }; + }; + }; }; diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi index 5ce2650128b1..e0ce54eae17d 100644 --- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi @@ -1975,7 +1975,7 @@ display-hub@15200000 { #size-cells = <2>; ranges = <0x0 0x15200000 0x0 0x15200000 0x0 0x40000>; - display@15200000 { + dc0: display@15200000 { compatible = "nvidia,tegra194-dc"; reg = <0x0 0x15200000 0x0 0x10000>; interrupts = ; -- 2.39.0