linux-kernel - [PATCH 1/3] Documentation: DT: Add iproc-static-adc binding

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Message-Id: <1465972721-7639-2-git-send-email-raveendra.padasalagi@broadcom.com>
Date:	Wed, 15 Jun 2016 12:08:39 +0530
From:	Raveendra Padasalagi <raveendra.padasalagi@...adcom.com>
To:	Jonathan Cameron <jic23@...nel.org>,
	Rob Herring <robh+dt@...nel.org>,
	Russell King <linux@....linux.org.uk>,
	Arnd Bergmann <arnd@...db.de>, linux-iio@...r.kernel.org,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Cc:	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Jonathan Richardson <jonathar@...adcom.com>,
	Jon Mason <jonmason@...adcom.com>,
	Florian Fainelli <f.fainelli@...il.com>,
	Anup Patel <anup.patel@...adcom.com>,
	Ray Jui <rjui@...adcom.com>,
	Scott Branden <sbranden@...adcom.com>,
	Pramod Kumar <pramod.kumar@...adcom.com>,
	linux-kernel@...r.kernel.org,
	bcm-kernel-feedback-list@...adcom.com,
	Raveendra Padasalagi <raveendra.padasalagi@...adcom.com>
Subject: [PATCH 1/3] Documentation: DT: Add iproc-static-adc binding

The patch adds devicetree binding document for broadcom's
iproc-static-adc controller driver.

Signed-off-by: Raveendra Padasalagi <raveendra.padasalagi@...adcom.com>
Reviewed-by: Ray Jui <ray.jui@...adcom.com>
Reviewed-by: Scott Branden <scott.branden@...adcom.com>
---
 .../bindings/iio/adc/brcm,iproc-static-adc.txt     | 43 ++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/adc/brcm,iproc-static-adc.txt

diff --git a/Documentation/devicetree/bindings/iio/adc/brcm,iproc-static-adc.txt b/Documentation/devicetree/bindings/iio/adc/brcm,iproc-static-adc.txt
new file mode 100644
index 0000000..1de0dfa
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/adc/brcm,iproc-static-adc.txt
@@ -0,0 +1,43 @@
+* Broadcom's IPROC Static ADC controller
+
+Required properties:
+
+- compatible: Must be "brcm,iproc-static-adc"
+
+- #address-cells: Specify the number of u32 entries needed in child nodes.
+  Should set to 1.
+
+- #size-cells: Specify number of u32 entries needed to specify child nodes size
+  in reg property. Should set to 1.
+
+- adc-syscon: Handler of syscon node defining physical base address of the
+  controller and length of memory mapped region.
+
+- #io-channel-cells = <1>; As ADC has multiple outputs
+  refer to Documentation/devicetree/bindings/iio/iio-bindings.txt for details.
+
+- clocks: Clock used for this block.
+
+- clock-names: Clock name should be given as tsc_clk.
+
+- interrupts: interrupt line number.
+
+For example:
+
+	ts_adc_syscon: ts_adc_syscon@...a6000 {
+		compatible = "brcm,iproc-ts-adc-syscon","syscon";
+		reg = <0x180a6000 0xc30>;
+	};
+
+	adc: adc@...a6000 {
+		compatible = "brcm,iproc-static-adc";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		adc-syscon = <&ts_adc_syscon>;
+		#io-channel-cells = <1>;
+		io-channel-ranges;
+		clocks = <&asiu_clks BCM_CYGNUS_ASIU_ADC_CLK>;
+		clock-names = "tsc_clk";
+		interrupts = <GIC_SPI 164 IRQ_TYPE_LEVEL_HIGH>;
+		status = "disabled";
+	};
-- 
1.9.1