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dt-bindings: arm: Convert Gemini boards to YAML
This removes the old plaintext Gemini binding and replace it with a YAML schema, adding some new boards in the process. While we are at it, add the missing vendors to the vendor prefix file. Drop the overly deliberate description of subnodes and the big example from the old document. Keep the elaborate description. I noticed that "wiliboard" is not a real vendor, the vendor is named "wiligear" so deprecated this and replaced with the proper vendor. Cc: Corentin Labbe <clabbe@baylibre.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20210723152356.1874088-1-linus.walleij@linaro.org Signed-off-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Linus Walleij
Rob Herring
parent
390436f17c
commit
7da6ebf5f5
@ -1,108 +0,0 @@
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Cortina systems Gemini platforms
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The Gemini SoC is the project name for an ARMv4 FA525-based SoC originally
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produced by Storlink Semiconductor around 2005. The company was renamed
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later renamed Storm Semiconductor. The chip product name is Storlink SL3516.
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It was derived from earlier products from Storm named SL3316 (Centroid) and
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SL3512 (Bulverde).
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Storm Semiconductor was acquired by Cortina Systems in 2008 and the SoC was
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produced and used for NAS and similar usecases. In 2014 Cortina Systems was
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in turn acquired by Inphi, who seem to have discontinued this product family.
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Many of the IP blocks used in the SoC comes from Faraday Technology.
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Required properties (in root node):
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compatible = "cortina,gemini";
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Required nodes:
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- soc: the SoC should be represented by a simple bus encompassing all the
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onchip devices, this is referred to as the soc bus node.
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- syscon: the soc bus node must have a system controller node pointing to the
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global control registers, with the compatible string
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"cortina,gemini-syscon", "syscon";
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Required properties on the syscon:
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- reg: syscon register location and size.
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- #clock-cells: should be set to <1> - the system controller is also a
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clock provider.
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- #reset-cells: should be set to <1> - the system controller is also a
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reset line provider.
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The clock sources have shorthand defines in the include file:
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<dt-bindings/clock/cortina,gemini-clock.h>
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The reset lines have shorthand defines in the include file:
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<dt-bindings/reset/cortina,gemini-reset.h>
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- timer: the soc bus node must have a timer node pointing to the SoC timer
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block, with the compatible string "cortina,gemini-timer"
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See: clocksource/cortina,gemini-timer.txt
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- interrupt-controller: the sob bus node must have an interrupt controller
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node pointing to the SoC interrupt controller block, with the compatible
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string "cortina,gemini-interrupt-controller"
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See interrupt-controller/cortina,gemini-interrupt-controller.txt
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Example:
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/ {
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model = "Foo Gemini Machine";
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compatible = "cortina,gemini";
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#address-cells = <1>;
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#size-cells = <1>;
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memory {
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device_type = "memory";
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reg = <0x00000000 0x8000000>;
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};
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soc {
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#address-cells = <1>;
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#size-cells = <1>;
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ranges;
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compatible = "simple-bus";
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interrupt-parent = <&intcon>;
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syscon: syscon@40000000 {
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compatible = "cortina,gemini-syscon", "syscon";
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reg = <0x40000000 0x1000>;
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#clock-cells = <1>;
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#reset-cells = <1>;
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};
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uart0: serial@42000000 {
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compatible = "ns16550a";
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reg = <0x42000000 0x100>;
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resets = <&syscon GEMINI_RESET_UART>;
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clocks = <&syscon GEMINI_CLK_UART>;
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interrupts = <18 IRQ_TYPE_LEVEL_HIGH>;
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reg-shift = <2>;
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};
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timer@43000000 {
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compatible = "cortina,gemini-timer";
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reg = <0x43000000 0x1000>;
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interrupt-parent = <&intcon>;
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interrupts = <14 IRQ_TYPE_EDGE_FALLING>, /* Timer 1 */
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<15 IRQ_TYPE_EDGE_FALLING>, /* Timer 2 */
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<16 IRQ_TYPE_EDGE_FALLING>; /* Timer 3 */
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resets = <&syscon GEMINI_RESET_TIMER>;
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/* APB clock or RTC clock */
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clocks = <&syscon GEMINI_CLK_APB>,
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<&syscon GEMINI_CLK_RTC>;
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clock-names = "PCLK", "EXTCLK";
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syscon = <&syscon>;
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};
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intcon: interrupt-controller@48000000 {
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compatible = "cortina,gemini-interrupt-controller";
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reg = <0x48000000 0x1000>;
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resets = <&syscon GEMINI_RESET_INTCON0>;
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interrupt-controller;
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#interrupt-cells = <2>;
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};
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};
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};
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95
Documentation/devicetree/bindings/arm/gemini.yaml
Normal file
95
Documentation/devicetree/bindings/arm/gemini.yaml
Normal file
@ -0,0 +1,95 @@
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/arm/gemini.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Cortina systems Gemini platforms
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description: |
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The Gemini SoC is the project name for an ARMv4 FA525-based SoC originally
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produced by Storlink Semiconductor around 2005. The company was renamed
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later renamed Storm Semiconductor. The chip product name is Storlink SL3516.
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It was derived from earlier products from Storm named SL3316 (Centroid) and
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SL3512 (Bulverde).
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Storm Semiconductor was acquired by Cortina Systems in 2008 and the SoC was
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produced and used for NAS and similar usecases. In 2014 Cortina Systems was
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in turn acquired by Inphi, who seem to have discontinued this product family.
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Many of the IP blocks used in the SoC comes from Faraday Technology.
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maintainers:
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- Linus Walleij <linus.walleij@linaro.org>
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properties:
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$nodename:
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const: '/'
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compatible:
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oneOf:
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- description: Storlink Semiconductor Gemini324 EV-Board also known
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as Storm Semiconductor SL93512R_BRD
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items:
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- const: storlink,gemini324
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- const: storm,sl93512r
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- const: cortina,gemini
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- description: D-Link DIR-685 Xtreme N Storage Router
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items:
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- const: dlink,dir-685
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- const: cortina,gemini
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- description: D-Link DNS-313 1-Bay Network Storage Enclosure
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items:
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- const: dlink,dns-313
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- const: cortina,gemini
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- description: Edimax NS-2502
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items:
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- const: edimax,ns-2502
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- const: cortina,gemini
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- description: ITian Square One SQ201
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items:
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- const: itian,sq201
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- const: cortina,gemini
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- description: Raidsonic NAS IB-4220-B
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items:
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- const: raidsonic,ib-4220-b
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- const: cortina,gemini
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- description: SSI 1328
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items:
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- const: ssi,1328
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- const: cortina,gemini
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- description: Teltonika RUT1xx Mobile Router
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items:
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- const: teltonika,rut1xx
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- const: cortina,gemini
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- description: Wiligear Wiliboard WBD-111
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items:
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- const: wiligear,wiliboard-wbd111
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- const: cortina,gemini
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- description: Wiligear Wiliboard WBD-222
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items:
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- const: wiligear,wiliboard-wbd222
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- const: cortina,gemini
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- description: Wiligear Wiliboard WBD-111 - old incorrect binding
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items:
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- const: wiliboard,wbd111
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- const: cortina,gemini
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deprecated: true
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- description: Wiligear Wiliboard WBD-222 - old incorrect binding
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items:
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- const: wiliboard,wbd222
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- const: cortina,gemini
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deprecated: true
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additionalProperties: true
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@ -563,6 +563,8 @@ patternProperties:
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description: ITE Tech. Inc.
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"^itead,.*":
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description: ITEAD Intelligent Systems Co.Ltd
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"^itian,.*":
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description: ITian Corporation
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"^iwave,.*":
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description: iWave Systems Technologies Pvt. Ltd.
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"^jdi,.*":
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@ -1111,6 +1113,10 @@ patternProperties:
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"^st-ericsson,.*":
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description: ST-Ericsson
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deprecated: true
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"^storlink,.*":
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description: StorLink Semiconductors, Inc.
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"^storm,.*":
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description: Storm Semiconductor, Inc.
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"^summit,.*":
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description: Summit microelectronics
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"^sunchip,.*":
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@ -1143,6 +1149,8 @@ patternProperties:
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description: TechNexion
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"^technologic,.*":
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description: Technologic Systems
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"^teltonika,.*":
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description: Teltonika Networks
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"^tempo,.*":
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description: Tempo Semiconductor
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"^techstar,.*":
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@ -1268,6 +1276,8 @@ patternProperties:
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description: Shenzhen whwave Electronics, Inc.
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"^wi2wi,.*":
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description: Wi2Wi, Inc.
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"^wiligear,.*":
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description: Wiligear, Ltd.
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"^winbond,.*":
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description: Winbond Electronics corp.
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"^winstar,.*":
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