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[90.63.244.31]) by smtp.gmail.com with ESMTPSA id 90sm3868870wrr.1.2019.10.03.06.08.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 03 Oct 2019 06:08:43 -0700 (PDT) From: Neil Armstrong To: khilman@baylibre.com Cc: Neil Armstrong , linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Maxime Jourdan Subject: [PATCH] arm64: dts: meson-g12: add support for simplefb Date: Thu, 3 Oct 2019 15:08:41 +0200 Message-Id: <20191003130841.8412-1-narmstrong@baylibre.com> X-Mailer: git-send-email 2.22.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org SimpleFB allows transferring a framebuffer from the firmware/bootloader to the kernel, while making sure the related clocks and power supplies stay enabled. Add nodes for CVBS and HDMI Simple Framebuffers, based on the GXBB/GXL/GXM support at [1]. [1] 03b370357907 ("arm64: dts: meson-gx: add support for simplef") Cc: Maxime Jourdan Signed-off-by: Neil Armstrong --- This will be handled in the in-review U-Boot Video support for G12A at [1] and the simplefb handling code at [2] and simplefb removal in DRM driver at [3]. [1] https://patchwork.ozlabs.org/cover/1155898/ [2] https://gitlab.denx.de/u-boot/u-boot/blob/v2019.07/drivers/video/meson/meson_vpu.c#L145 [3] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/gpu/drm/meson/meson_drv.c?h=v5.3#n158 .../boot/dts/amlogic/meson-g12-common.dtsi | 26 +++++++++++++++++++ arch/arm64/boot/dts/amlogic/meson-g12.dtsi | 8 ++++++ arch/arm64/boot/dts/amlogic/meson-sm1.dtsi | 8 ++++++ 3 files changed, 42 insertions(+) diff --git a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi index f76773cabdb1..21c155f4508c 100644 --- a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi @@ -16,6 +16,32 @@ #address-cells = <2>; #size-cells = <2>; + chosen { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + simplefb_cvbs: framebuffer-cvbs { + compatible = "amlogic,simple-framebuffer", + "simple-framebuffer"; + amlogic,pipeline = "vpu-cvbs"; + clocks = <&clkc CLKID_HDMI>, + <&clkc CLKID_HTX_PCLK>, + <&clkc CLKID_VPU_INTR>; + status = "disabled"; + }; + + simplefb_hdmi: framebuffer-hdmi { + compatible = "amlogic,simple-framebuffer", + "simple-framebuffer"; + amlogic,pipeline = "vpu-hdmi"; + clocks = <&clkc CLKID_HDMI>, + <&clkc CLKID_HTX_PCLK>, + <&clkc CLKID_VPU_INTR>; + status = "disabled"; + }; + }; + efuse: efuse { compatible = "amlogic,meson-gxbb-efuse"; clocks = <&clkc CLKID_EFUSE>; diff --git a/arch/arm64/boot/dts/amlogic/meson-g12.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12.dtsi index 0d9df29994f3..d80d8a982917 100644 --- a/arch/arm64/boot/dts/amlogic/meson-g12.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-g12.dtsi @@ -342,3 +342,11 @@ &sd_emmc_a { amlogic,dram-access-quirk; }; + +&simplefb_cvbs { + power-domains = <&pwrc PWRC_G12A_VPU_ID>; +}; + +&simplefb_hdmi { + power-domains = <&pwrc PWRC_G12A_VPU_ID>; +}; diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1.dtsi b/arch/arm64/boot/dts/amlogic/meson-sm1.dtsi index 1fdc5af5ae23..f89d744c9648 100644 --- a/arch/arm64/boot/dts/amlogic/meson-sm1.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-sm1.dtsi @@ -147,6 +147,14 @@ compatible = "amlogic,meson-sm1-pwrc"; }; +&simplefb_cvbs { + power-domains = <&pwrc PWRC_SM1_VPU_ID>; +}; + +&simplefb_hdmi { + power-domains = <&pwrc PWRC_SM1_VPU_ID>; +}; + &vpu { power-domains = <&pwrc PWRC_SM1_VPU_ID>; }; -- 2.22.0