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authorLucas Stach <l.stach@pengutronix.de>2017-07-31 20:03:05 +0200
committerLucas Stach <l.stach@pengutronix.de>2017-07-31 20:03:05 +0200
commitd14b844b08635c717fb52a294ed8d6872e260315 (patch)
tree18607dcdd29688b2fa9528f79423183a68e9898d /dts/Bindings/arm/gemini.txt
parent858b797e529e26c19bfa893fdb37ed67ff7a6006 (diff)
downloadbarebox-d14b844b08635c717fb52a294ed8d6872e260315.tar.gz
barebox-d14b844b08635c717fb52a294ed8d6872e260315.tar.xz
dts: update to v4.13-rc2
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Diffstat (limited to 'dts/Bindings/arm/gemini.txt')
-rw-r--r--dts/Bindings/arm/gemini.txt24
1 files changed, 23 insertions, 1 deletions
diff --git a/dts/Bindings/arm/gemini.txt b/dts/Bindings/arm/gemini.txt
index 0041eb0311..55bf7ce96c 100644
--- a/dts/Bindings/arm/gemini.txt
+++ b/dts/Bindings/arm/gemini.txt
@@ -24,6 +24,19 @@ Required nodes:
global control registers, with the compatible string
"cortina,gemini-syscon", "syscon";
+ Required properties on the syscon:
+ - reg: syscon register location and size.
+ - #clock-cells: should be set to <1> - the system controller is also a
+ clock provider.
+ - #reset-cells: should be set to <1> - the system controller is also a
+ reset line provider.
+
+ The clock sources have shorthand defines in the include file:
+ <dt-bindings/clock/cortina,gemini-clock.h>
+
+ The reset lines have shorthand defines in the include file:
+ <dt-bindings/reset/cortina,gemini-reset.h>
+
- timer: the soc bus node must have a timer node pointing to the SoC timer
block, with the compatible string "cortina,gemini-timer"
See: clocksource/cortina,gemini-timer.txt
@@ -56,12 +69,15 @@ Example:
syscon: syscon@40000000 {
compatible = "cortina,gemini-syscon", "syscon";
reg = <0x40000000 0x1000>;
+ #clock-cells = <1>;
+ #reset-cells = <1>;
};
uart0: serial@42000000 {
compatible = "ns16550a";
reg = <0x42000000 0x100>;
- clock-frequency = <48000000>;
+ resets = <&syscon GEMINI_RESET_UART>;
+ clocks = <&syscon GEMINI_CLK_UART>;
interrupts = <18 IRQ_TYPE_LEVEL_HIGH>;
reg-shift = <2>;
};
@@ -73,12 +89,18 @@ Example:
interrupts = <14 IRQ_TYPE_EDGE_FALLING>, /* Timer 1 */
<15 IRQ_TYPE_EDGE_FALLING>, /* Timer 2 */
<16 IRQ_TYPE_EDGE_FALLING>; /* Timer 3 */
+ resets = <&syscon GEMINI_RESET_TIMER>;
+ /* APB clock or RTC clock */
+ clocks = <&syscon GEMINI_CLK_APB>,
+ <&syscon GEMINI_CLK_RTC>;
+ clock-names = "PCLK", "EXTCLK";
syscon = <&syscon>;
};
intcon: interrupt-controller@48000000 {
compatible = "cortina,gemini-interrupt-controller";
reg = <0x48000000 0x1000>;
+ resets = <&syscon GEMINI_RESET_INTCON0>;
interrupt-controller;
#interrupt-cells = <2>;
};