[PATCH 2/2] ARM: bus: da8xx-mstpri: new driver
From: robh@kernel.org (Rob Herring)
Date: 2016-10-31 04:30:21
Also in:
dri-devel, linux-devicetree, lkml
On Wed, Oct 26, 2016 at 07:35:55PM +0200, Bartosz Golaszewski wrote:
quoted hunk ↗ jump to hunk
Create the driver for the da8xx master peripheral priority configuration and implement support for writing to the three Master Priority registers on da850 SoCs. Signed-off-by: Bartosz Golaszewski <redacted> --- .../devicetree/bindings/bus/ti,da850-mstpri.txt | 20 ++ drivers/bus/Kconfig | 9 + drivers/bus/Makefile | 2 + drivers/bus/da8xx-mstpri.c | 266 +++++++++++++++++++++ 4 files changed, 297 insertions(+) create mode 100644 Documentation/devicetree/bindings/bus/ti,da850-mstpri.txt create mode 100644 drivers/bus/da8xx-mstpri.cdiff --git a/Documentation/devicetree/bindings/bus/ti,da850-mstpri.txt b/Documentation/devicetree/bindings/bus/ti,da850-mstpri.txt new file mode 100644 index 0000000..225af09 --- /dev/null +++ b/Documentation/devicetree/bindings/bus/ti,da850-mstpri.txt@@ -0,0 +1,20 @@ +* Device tree bindings for Texas Instruments da8xx master peripheral + priority driver + +DA8XX SoCs feature a set of registers allowing to change the priority of all +peripherals classified as masters. + +Documentation: +OMAP-L138 (DA850) - http://www.ti.com/lit/ug/spruh82c/spruh82c.pdf + +Required properties: + +- compatible: "ti,da850-mstpri", "syscon" - for da850 based boards
Drop syscon. Doesn't look like it is needed and the example doesn't match.
+- reg: offset and length of the mstpri registers
+
+Example for da850-lcdk is shown below.
+
+mstpri {
+ compatible = "ti,da850-mstpri";
+ reg = <0x14110 0x0c>;
+};