Messages in this thread Patch in this message | | | From | Oleksandr Shamray <> | Subject | [patch v18 3/4] Documentation: jtag: Add bindings for Aspeed SoC 24xx and 25xx families JTAG master driver | Date | Mon, 29 Jan 2018 16:31:44 +0200 |
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It has been tested on Mellanox system with BMC equipped with Aspeed 2520 SoC for programming CPLD devices.
Signed-off-by: Oleksandr Shamray <oleksandrs@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Acked-by: Rob Herring <robh@kernel.org> --- v17->v18 v16->v17 v15->v16 Comments pointed by Joel Stanley <joel.stan@gmail.com> - change clocks = <&clk_apb> to proper clocks = <&syscon ASPEED_CLK_APB> - add reset descriptions in bndings file
v14->v15 v13->v14 v12->v13 v11->v12 v10->v11 v9->v10 v8->v9 v7->v8 Comments pointed by pointed by Joel Stanley <joel.stan@gmail.com> - Change compatible string to ast2400 and ast2000
V6->v7 Comments pointed by Tobias Klauser <tklauser@distanz.ch> - Fix spell "Doccumentation" -> "Documentation"
v5->v6 Comments pointed by Tobias Klauser <tklauser@distanz.ch> - Small nit: s/documentation/Documentation/
v4->v5
V3->v4 Comments pointed by Rob Herring <robh@kernel.org> - delete unnecessary "status" and "reg-shift" descriptions in bndings file
v2->v3 Comments pointed by Rob Herring <robh@kernel.org> - split Aspeed jtag driver and binding to sepatrate patches - delete unnecessary "status" and "reg-shift" descriptions in bndings file --- .../devicetree/bindings/jtag/aspeed-jtag.txt | 22 ++++++++++++++++++++ 1 files changed, 22 insertions(+), 0 deletions(-) create mode 100644 Documentation/devicetree/bindings/jtag/aspeed-jtag.txt
diff --git a/Documentation/devicetree/bindings/jtag/aspeed-jtag.txt b/Documentation/devicetree/bindings/jtag/aspeed-jtag.txt new file mode 100644 index 0000000..7c36eb6 --- /dev/null +++ b/Documentation/devicetree/bindings/jtag/aspeed-jtag.txt @@ -0,0 +1,22 @@ +Aspeed JTAG driver for ast2400 and ast2500 SoC + +Required properties: +- compatible: Should be one of + - "aspeed,ast2400-jtag" + - "aspeed,ast2500-jtag" +- reg contains the offset and length of the JTAG memory + region +- clocks root clock of bus, should reference the APB + clock in the second cell +- resets phandle to reset controller with the reset number in + the second cell +- interrupts should contain JTAG controller interrupt + +Example: +jtag: jtag@1e6e4000 { + compatible = "aspeed,ast2500-jtag"; + reg = <0x1e6e4000 0x1c>; + clocks = <&syscon ASPEED_CLK_APB>; + resets = <&syscon ASPEED_RESET_JTAG_MASTER>; + interrupts = <43>; +}; -- 1.7.1
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