linux-kernel - [RFC v4 2/6] Bindings: nvmem: add bindings for JZ4780 efuse

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Message-Id: <86b78db4d607e0bdda6def018bc7f73207ce82e8.1581958529.git.hns@goldelico.com>
Date:   Mon, 17 Feb 2020 17:55:26 +0100
From:   "H. Nikolaus Schaller" <hns@...delico.com>
To:     PrasannaKumar Muralidharan <prasannatsmkumar@...il.com>,
        Paul Cercueil <paul@...pouillou.net>,
        Mathieu Malaterre <malat@...ian.org>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Ralf Baechle <ralf@...ux-mips.org>,
        Paul Burton <paulburton@...nel.org>,
        Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>,
        "H. Nikolaus Schaller" <hns@...delico.com>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Kees Cook <keescook@...omium.org>,
        Andi Kleen <ak@...ux.intel.com>,
        Geert Uytterhoeven <geert+renesas@...der.be>
Cc:     linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-mips@...r.kernel.org, letux-kernel@...nphoenux.org,
        kernel@...a-handheld.com
Subject: [RFC v4 2/6] Bindings: nvmem: add bindings for JZ4780 efuse

From: PrasannaKumar Muralidharan <prasannatsmkumar@...il.com>

This patch brings support for the JZ4780 efuse. Currently it only expose
a read only access to the entire 8K bits efuse memory.

Tested-by: Mathieu Malaterre <malat@...ian.org>
Signed-off-by: PrasannaKumar Muralidharan <prasannatsmkumar@...il.com>
Signed-off-by: Mathieu Malaterre <malat@...ian.org>
Signed-off-by: H. Nikolaus Schaller <hns@...delico.com>
---
 .../bindings/nvmem/ingenic,jz4780-efuse.txt     | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/nvmem/ingenic,jz4780-efuse.txt

diff --git a/Documentation/devicetree/bindings/nvmem/ingenic,jz4780-efuse.txt b/Documentation/devicetree/bindings/nvmem/ingenic,jz4780-efuse.txt
new file mode 100644
index 000000000000..339e74daa9a9
--- /dev/null
+++ b/Documentation/devicetree/bindings/nvmem/ingenic,jz4780-efuse.txt
@@ -0,0 +1,17 @@
+Ingenic JZ EFUSE driver bindings
+
+Required properties:
+- "compatible"		Must be set to "ingenic,jz4780-efuse"
+- "reg"			Register location and length
+- "clocks"		Handle for the ahb clock for the efuse.
+- "clock-names"		Must be "bus_clk"
+
+Example:
+
+efuse: efuse@...100d0 {
+	compatible = "ingenic,jz4780-efuse";
+	reg = <0x134100d0 0x2c>;
+
+	clocks = <&cgu JZ4780_CLK_AHB2>;
+	clock-names = "bus_clk";
+};
-- 
2.23.0