linux-kernel - [PATCH 1/8] media: uniphier: add DT bindings documentation for UniPhier HSC

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Message-Id: <20180530090946.1635-2-suzuki.katsuhiro@socionext.com>
Date:   Wed, 30 May 2018 18:09:39 +0900
From:   Katsuhiro Suzuki <suzuki.katsuhiro@...ionext.com>
To:     Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
        linux-media@...r.kernel.org
Cc:     Masami Hiramatsu <masami.hiramatsu@...aro.org>,
        Jassi Brar <jaswinder.singh@...aro.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Katsuhiro Suzuki <suzuki.katsuhiro@...ionext.com>
Subject: [PATCH 1/8] media: uniphier: add DT bindings documentation for UniPhier HSC

This patch adds DT binding documentation for UniPhier HSC which is
MPEG2-TS input/output and demux subsystem.

Signed-off-by: Katsuhiro Suzuki <suzuki.katsuhiro@...ionext.com>
---
 .../bindings/media/uniphier,hsc.txt           | 38 +++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/media/uniphier,hsc.txt

diff --git a/Documentation/devicetree/bindings/media/uniphier,hsc.txt b/Documentation/devicetree/bindings/media/uniphier,hsc.txt
new file mode 100644
index 000000000000..4242483b2ecc
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/uniphier,hsc.txt
@@ -0,0 +1,38 @@
+Socionext UniPhier HSC (High-speed Stream Controller)
+
+The Socionext UniPhier HSC subsystem consists of MPEG2-TS input/output and
+demultiplexer cores in the same register space.
+
+This interface is support TS serial signals (clock, valid, sync, data) from
+external demodulators.
+
+Required properties:
+- compatible      : should be one of the following:
+		    "socionext,uniphier-ld11-hsc"
+		    "socionext,uniphier-ld20-hsc"
+- reg             : offset and length of the register set for the device.
+- interrupts      : should contain DMA and TSI error interrupt.
+- pinctrl-names   : should be "default".
+- pinctrl-0       : defined TS serial signal pins for external demodulators.
+- clock-names     : should include following entries:
+                    "hsc", "stdmac"
+- clocks          : a list of phandle, should contain an entry for each
+                    entry in clock-names.
+- reset-names     : should include following entries:
+                    "hsc", "stdmac"
+- resets          : a list of phandle, should contain an entry for each
+                    entry in reset-names.
+
+Example:
+	hsc {
+		compatible = "socionext,uniphier-ld20-hsc";
+		reg = <0x5c000000 0x100000>;
+		interrupts = <0 100 4>, <0 101 4>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_hscin2_s>,
+			    <&pinctrl_hscin3_s>;
+		clock-names = "stdmac", "hsc";
+		clocks = <&sys_clk 8>, <&sys_clk 9>;
+		reset-names = "stdmac", "hsc";
+		resets = <&sys_rst 8>, <&sys_rst 9>;
+	};
-- 
2.17.0