From: Oleksandr Shamray <oleksandrs@mellanox.com>
To: gregkh@linuxfoundation.org, arnd@arndb.de
Cc: system-sw-low-level@mellanox.com, devicetree@vger.kernel.org,
jiri@resnulli.us, vadimp@mellanox.com, linux-api@vger.kernel.org,
openbmc@lists.ozlabs.org, linux-kernel@vger.kernel.org,
openocd-devel-owner@lists.sourceforge.net,
Jiri Pirko <jiri@mellanox.com>,
robh+dt@kernel.org, joel@jms.id.au, linux-serial@vger.kernel.org,
Oleksandr Shamray <oleksandrs@mellanox.com>,
tklauser@distanz.ch, mchehab@kernel.org, davem@davemloft.net,
linux-arm-kernel@lists.infradead.org
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 [thread overview]
Message-ID: <1517236305-4880-4-git-send-email-oleksandrs@mellanox.com> (raw)
In-Reply-To: <1517236305-4880-1-git-send-email-oleksandrs@mellanox.com>
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
next prev parent reply other threads:[~2018-01-29 14:31 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-29 14:31 [patch v18 0/4] JTAG driver introduction Oleksandr Shamray
2018-01-29 14:31 ` [patch v18 1/4] drivers: jtag: Add JTAG core driver Oleksandr Shamray
[not found] ` <1517236305-4880-2-git-send-email-oleksandrs-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2018-01-29 15:56 ` Julia Cartwright
2018-01-29 14:31 ` Oleksandr Shamray [this message]
[not found] ` <1517236305-4880-1-git-send-email-oleksandrs-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2018-01-29 14:31 ` [patch v18 2/4] drivers: jtag: Add Aspeed SoC 24xx and 25xx families JTAG master driver Oleksandr Shamray
2018-01-29 14:31 ` [patch v18 4/4] Documentation: jtag: Add ABI documentation Oleksandr Shamray
2018-01-31 3:03 ` [patch v18 0/4] JTAG driver introduction Florian Fainelli
2018-05-10 15:13 ` Oleksandr Shamray
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