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Thu, 05 Jul 2018 02:50:47 -0700 (PDT) From: Neil Armstrong To: khilman@baylibre.com, devicetree@vger.kernel.org Subject: [PATCH 1/2] dt-bindings: amlogic: Add support for GXL S805X and the P241 board Date: Thu, 5 Jul 2018 11:50:42 +0200 Message-Id: <1530784243-20823-2-git-send-email-narmstrong@baylibre.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1530784243-20823-1-git-send-email-narmstrong@baylibre.com> References: <1530784243-20823-1-git-send-email-narmstrong@baylibre.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180705_025853_417490_64FCE90A X-CRM114-Status: GOOD ( 12.31 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: martin.blumenstingl@googlemail.com, linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Neil Armstrong MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP The S805X is a variant of the Amlogic Meson GXL SoC family with the following physical limitations : - No SDCard interface - No GPIOCLK pins - No USB OTG ID pin (but Gadget feature can stil be forced) - No 5V regulator - Reduced ADC inputs (only ADC0 and ADC1) - GPIODV_26, GPIOAO_3, GPIOAO_4, GPIOAO_5, GPIOAO_6, GPIOX_14, GPIOX_15, GPIOH_3 are no more exposed on the package Amlogic exposes the following SW limitations : - HDMI max resolution should be 1080p60, VPU clock should be downgraded - Video Decoding should be limited to 1080p60, VDEC clock should be downgraded - CPU speed should be limited by SCPI OPP table to 1.2GHz - DRAM interface is limited to DDR4 16bit up to 1GiB Signed-off-by: Neil Armstrong Reviewed-by: Rob Herring --- Documentation/devicetree/bindings/arm/amlogic.txt | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/arm/amlogic.txt b/Documentation/devicetree/bindings/arm/amlogic.txt index 6988056..849834c 100644 --- a/Documentation/devicetree/bindings/arm/amlogic.txt +++ b/Documentation/devicetree/bindings/arm/amlogic.txt @@ -41,6 +41,10 @@ Boards with the Amlogic Meson GXL S905D SoC shall have the following properties: Required root node property: compatible: "amlogic,s905d", "amlogic,meson-gxl"; +Boards with the Amlogic Meson GXL S805X SoC shall have the following properties: + Required root node property: + compatible: "amlogic,s805x", "amlogic,meson-gxl"; + Boards with the Amlogic Meson GXM S912 SoC shall have the following properties: Required root node property: compatible: "amlogic,s912", "amlogic,meson-gxm"; @@ -79,6 +83,8 @@ Board compatible values (alphabetically, grouped by SoC): - "amlogic,p230" (Meson gxl s905d) - "amlogic,p231" (Meson gxl s905d) + - "amlogic,p241" (Meson gxl s805x) + - "amlogic,q200" (Meson gxm s912) - "amlogic,q201" (Meson gxm s912) - "khadas,vim2" (Meson gxm s912)