Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM DT updates from Olof Johansson: "As usual, the bulk of this release is again DT file contents. There's a huge number of changes here, and it's challenging to give a crisp overview of just what is in here. To start with: New boards: - TI-based DM3730 from LogicPD (Torpedo) - Cosmic+ M4 (nommu) initial support (Freescale Vybrid) - Raspberry Pi 2 DT files - Watchdog on Meson8b - Veyron-mickey (ASUS Chromebit) DTS - Rockchip rk3228 SoC and eval board - Sigma Designs Tango4 Improvements: - Improved support for Qualcomm APQ8084, including Sony Xperia Z DT files - Misc new devices for Rockchip rk3036 and rk3288 - Allwinner updates for misc SoCs and systems ... and a _large_ number of other changes across the field. Devices added to SoC DTSI and board DTS files for a number of SoC vendors, new product boards on already-supported SoCs, cleanups and refactorings of existing DTS/DTSI files and a bunch of other changes" * tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (469 commits) ARM: dts: compulab: add new board description ARM: versatile: add the syscon LEDs to the DT dts: vt8500: Fix errors in SDHC node for WM8505 ARM: dts: imx6q: clean up unused ipu2grp ARM: dts: silk: Add compatible property to "partitions" node ARM: dts: gose: Add compatible property to "partitions" node ARM: dts: porter: Add compatible property to "partitions" node ARM: dts: koelsch: Add compatible property to "partitions" node ARM: dts: lager: Add compatible property to "partitions" node ARM: dts: bockw: Add compatible property to "partitions" node ARM: dts: meson8b: Add watchdog node Documentation: watchdog: Add new bindings for meson8b ARM: meson: Add status LED for Odroid-C1 ARM: dts: uniphier: fix a typo in comment block ARM: bcm2835: Add the auxiliary clocks to the device tree. ARM: bcm2835: Add devicetree for bcm2836 and Raspberry Pi 2 B ARM: bcm2835: Move the CPU/peripheral include out of common RPi DT. ARM: bcm2835: Split the DT for peripherals from the DT for the CPU ARM: realview: set up cache correctly on the PB11MPCore ARM: dts: Unify G2D device node with other devices on exynos4 ...
这个提交包含在:
@@ -15,14 +15,32 @@ Recommended properties:
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- spi-max-frequency: Definition as per
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Documentation/devicetree/bindings/spi/spi-bus.txt
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Optional properties:
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- syscon-chipselects: Handle to system control region contains QSPI
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chipselect register and offset of that register.
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Example:
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For am4372:
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qspi: qspi@4b300000 {
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compatible = "ti,dra7xxx-qspi";
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reg = <0x47900000 0x100>, <0x30000000 0x3ffffff>;
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compatible = "ti,am4372-qspi";
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reg = <0x47900000 0x100>, <0x30000000 0x4000000>;
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reg-names = "qspi_base", "qspi_mmap";
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#address-cells = <1>;
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#size-cells = <0>;
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spi-max-frequency = <25000000>;
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ti,hwmods = "qspi";
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};
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For dra7xx:
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qspi: qspi@4b300000 {
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compatible = "ti,dra7xxx-qspi";
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reg = <0x4b300000 0x100>,
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<0x5c000000 0x4000000>,
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reg-names = "qspi_base", "qspi_mmap";
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syscon-chipselects = <&scm_conf 0x558>;
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#address-cells = <1>;
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#size-cells = <0>;
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spi-max-frequency = <48000000>;
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ti,hwmods = "qspi";
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};
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