Add documentation for a devicetree binding for the simple ASCII LCD displays found on development boards such as the MIPS Boston, MIPS Malta & MIPS SEAD3 from Imagination Technologies. Signed-off-by: Paul Burton <paul.burton@xxxxxxxxxx> --- Changes in v2: - Fix filename & path in MAINTAINERS .../devicetree/bindings/auxdisplay/img-ascii-lcd.txt | 17 +++++++++++++++++ MAINTAINERS | 5 +++++ 2 files changed, 22 insertions(+) create mode 100644 Documentation/devicetree/bindings/auxdisplay/img-ascii-lcd.txt diff --git a/Documentation/devicetree/bindings/auxdisplay/img-ascii-lcd.txt b/Documentation/devicetree/bindings/auxdisplay/img-ascii-lcd.txt new file mode 100644 index 0000000..b69bb68 --- /dev/null +++ b/Documentation/devicetree/bindings/auxdisplay/img-ascii-lcd.txt @@ -0,0 +1,17 @@ +Binding for ASCII LCD displays on Imagination Technologies boards + +Required properties: +- compatible : should be one of: + "img,boston-lcd" + "mti,malta-lcd" + "mti,sead3-lcd" + +Required properties for "img,boston-lcd": +- reg : memory region locating the device registers + +Required properties for "mti,malta-lcd" or "mti,sead3-lcd": +- regmap: phandle of the system controller containing the LCD registers +- offset: offset in bytes to the LCD registers within the system controller + +The layout of the registers & properties of the display are determined +from the compatible string, making this binding somewhat trivial. diff --git a/MAINTAINERS b/MAINTAINERS index 0bbe4b1..f7a68b1 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -5953,6 +5953,11 @@ M: Stanislaw Gruszka <stf_xl@xxxxx> S: Maintained F: drivers/usb/atm/ueagle-atm.c +IMGTEC ASCII LCD DRIVER +M: Paul Burton <paul.burton@xxxxxxxxxx> +S: Maintained +F: Documentation/devicetree/bindings/auxdisplay/img-ascii-lcd.txt + INA209 HARDWARE MONITOR DRIVER M: Guenter Roeck <linux@xxxxxxxxxxxx> L: linux-hwmon@xxxxxxxxxxxxxxx -- 2.9.3
