linux-kernel - [Patch 01/19] dt-bindings: media: cal: update binding to use syscon

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Message-ID: <20191018153437.20614-2-bparrot@ti.com>
Date:   Fri, 18 Oct 2019 10:34:19 -0500
From:   Benoit Parrot <bparrot@...com>
To:     Hans Verkuil <hverkuil@...all.nl>, Rob Herring <robh+dt@...nel.org>
CC:     <linux-media@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, Benoit Parrot <bparrot@...com>
Subject: [Patch 01/19] dt-bindings: media: cal: update binding to use syscon

Update Device Tree bindings for the CAL driver to use syscon to access
the phy config register instead of trying to map it directly.

Signed-off-by: Benoit Parrot <bparrot@...com>
---
 Documentation/devicetree/bindings/media/ti-cal.txt | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/Documentation/devicetree/bindings/media/ti-cal.txt b/Documentation/devicetree/bindings/media/ti-cal.txt
index ae9b52f37576..782f801b12a9 100644
--- a/Documentation/devicetree/bindings/media/ti-cal.txt
+++ b/Documentation/devicetree/bindings/media/ti-cal.txt
@@ -10,9 +10,14 @@ Required properties:
 - compatible: must be "ti,dra72-cal"
 - reg:	CAL Top level, Receiver Core #0, Receiver Core #1 and Camera RX
 	control address space
-- reg-names: cal_top, cal_rx_core0, cal_rx_core1, and camerrx_control
+- reg-names: cal_top, cal_rx_core0, cal_rx_core1 and camerrx_control
 	     registers
 - interrupts: should contain IRQ line for the CAL;
+- syscon-camerrx: phandle to the device control module and offset to the
+		  control_camerarx_core register
+		  This node is meant to replace the "camerrx_control" reg
+		  entry above but "camerrx_control" is still handled
+		  for backward compatibility.
 
 CAL supports 2 camera port nodes on MIPI bus. Each CSI2 camera port nodes
 should contain a 'port' child node with child 'endpoint' node. Please
@@ -25,13 +30,12 @@ Example:
 		ti,hwmods = "cal";
 		reg = <0x4845B000 0x400>,
 		      <0x4845B800 0x40>,
-		      <0x4845B900 0x40>,
-		      <0x4A002e94 0x4>;
+		      <0x4845B900 0x40>;
 		reg-names = "cal_top",
 			    "cal_rx_core0",
-			    "cal_rx_core1",
-			    "camerrx_control";
+			    "cal_rx_core1";
 		interrupts = <GIC_SPI 119 IRQ_TYPE_LEVEL_HIGH>;
+		syscon-camerrx = <&scm_conf 0xE94>;
 		#address-cells = <1>;
 		#size-cells = <0>;
 
-- 
2.17.1