Re: [RFC PATCH v2 1/5] net: mdio-mux-mmioreg: Add support for 16bit and 32bit register sizes
From: Rob Herring <robh@kernel.org>
Date: 2016-11-09 18:26:23
Also in:
linux-amlogic, linux-arm-kernel, linux-devicetree, lkml
On Mon, Oct 31, 2016 at 05:56:23PM +0100, Neil Armstrong wrote:
quoted hunk ↗ jump to hunk
In order to support PHY switching on Amlogic GXL SoCs, add support for 16bit and 32bit registers sizes. Signed-off-by: Neil Armstrong <redacted> --- .../devicetree/bindings/net/mdio-mux-mmioreg.txt | 4 +- drivers/net/phy/mdio-mux-mmioreg.c | 60 +++++++++++++++++----- 2 files changed, 49 insertions(+), 15 deletions(-)diff --git a/Documentation/devicetree/bindings/net/mdio-mux-mmioreg.txt b/Documentation/devicetree/bindings/net/mdio-mux-mmioreg.txt index 8516929..065e8bd 100644 --- a/Documentation/devicetree/bindings/net/mdio-mux-mmioreg.txt +++ b/Documentation/devicetree/bindings/net/mdio-mux-mmioreg.txt@@ -3,7 +3,7 @@ Properties for an MDIO bus multiplexer controlled by a memory-mapped device This is a special case of a MDIO bus multiplexer. A memory-mapped device, like an FPGA, is used to control which child bus is connected. The mdio-mux node must be a child of the memory-mapped device. The driver currently only
As you're touching this sentence, this describes the binding, not a driver. With that, Acked-by: Rob Herring <robh@kernel.org>
quoted hunk ↗ jump to hunk
-supports devices with eight-bit registers. +supports devices with 8, 16 or 32-bit registers. Required properties in addition to the generic multiplexer properties:@@ -11,7 +11,7 @@ Required properties in addition to the generic multiplexer properties: - reg : integer, contains the offset of the register that controls the bus multiplexer. The size field in the 'reg' property is the size of - register, and must therefore be 1. + register, and must therefore be 1, 2, or 4. - mux-mask : integer, contains an eight-bit mask that specifies which bits in the register control the actual bus multiplexer. The