From: Chris Brandt Date: Wed, 29 Mar 2017 17:30:30 +0000 (-0700) Subject: dt-bindings: rtc: document the rtc-sh bindings X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=04767b9fc2315c90a1e4bfdee883c0cbc122f30f;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git dt-bindings: rtc: document the rtc-sh bindings Add the binding documentation for rtc-sh which is an RTC for SuperH and RZ/A SoCs. Signed-off-by: Chris Brandt Acked-by: Rob Herring Signed-off-by: Alexandre Belloni --- diff --git a/Documentation/devicetree/bindings/rtc/rtc-sh.txt b/Documentation/devicetree/bindings/rtc/rtc-sh.txt new file mode 100644 index 000000000000..7676c7d28874 --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/rtc-sh.txt @@ -0,0 +1,28 @@ +* Real Time Clock for Renesas SH and ARM SoCs + +Required properties: +- compatible: Should be "renesas,r7s72100-rtc" and "renesas,sh-rtc" as a + fallback. +- reg: physical base address and length of memory mapped region. +- interrupts: 3 interrupts for alarm, period, and carry. +- interrupt-names: The interrupts should be labeled as "alarm", "period", and + "carry". +- clocks: The functional clock source for the RTC controller must be listed + first (if exists). Additionally, potential clock counting sources are to be + listed. +- clock-names: The functional clock must be labeled as "fck". Other clocks + may be named in accordance to the SoC hardware manuals. + + +Example: +rtc: rtc@fcff1000 { + compatible = "renesas,r7s72100-rtc", "renesas,sh-rtc"; + reg = <0xfcff1000 0x2e>; + interrupts = ; + interrupt-names = "alarm", "period", "carry"; + clocks = <&mstp6_clks R7S72100_CLK_RTC>, <&rtc_x1_clk>, + <&rtc_x3_clk>, <&extal_clk>; + clock-names = "fck", "rtc_x1", "rtc_x3", "extal"; +};