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authorSascha Hauer <s.hauer@pengutronix.de>2014-09-01 09:47:17 +0200
committerSascha Hauer <s.hauer@pengutronix.de>2014-09-02 11:01:29 +0200
commita595ff6eea05b919567f96d71e7e2c7b6236b8ac (patch)
tree2d7cea529b6a06be744116e29e8a97b0c8de1981 /dts/Bindings/arm/samsung
parent7955f4315187665690f51e20698d4c12c68e008f (diff)
downloadbarebox-a595ff6eea05b919567f96d71e7e2c7b6236b8ac.tar.gz
barebox-a595ff6eea05b919567f96d71e7e2c7b6236b8ac.tar.xz
dts: update to v3.17-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/arm/samsung')
-rw-r--r--dts/Bindings/arm/samsung/exynos-adc.txt25
-rw-r--r--dts/Bindings/arm/samsung/pmu.txt32
2 files changed, 55 insertions, 2 deletions
diff --git a/dts/Bindings/arm/samsung/exynos-adc.txt b/dts/Bindings/arm/samsung/exynos-adc.txt
index 832fe8cc24..adc61b095b 100644
--- a/dts/Bindings/arm/samsung/exynos-adc.txt
+++ b/dts/Bindings/arm/samsung/exynos-adc.txt
@@ -14,14 +14,21 @@ Required properties:
for exynos4412/5250 controllers.
Must be "samsung,exynos-adc-v2" for
future controllers.
+ Must be "samsung,exynos3250-adc" for
+ controllers compatible with ADC of Exynos3250.
- reg: Contains ADC register address range (base address and
length) and the address of the phy enable register.
- interrupts: Contains the interrupt information for the timer. The
format is being dependent on which interrupt controller
the Samsung device uses.
- #io-channel-cells = <1>; As ADC has multiple outputs
-- clocks From common clock binding: handle to adc clock.
-- clock-names From common clock binding: Shall be "adc".
+- clocks From common clock bindings: handles to clocks specified
+ in "clock-names" property, in the same order.
+- clock-names From common clock bindings: list of clock input names
+ used by ADC block:
+ - "adc" : ADC bus clock
+ - "sclk" : ADC special clock (only for Exynos3250 and
+ compatible ADC block)
- vdd-supply VDD input supply.
Note: child nodes can be added for auto probing from device tree.
@@ -41,6 +48,20 @@ adc: adc@12D10000 {
vdd-supply = <&buck5_reg>;
};
+Example: adding device info in dtsi file for Exynos3250 with additional sclk
+
+adc: adc@126C0000 {
+ compatible = "samsung,exynos3250-adc", "samsung,exynos-adc-v2;
+ reg = <0x126C0000 0x100>, <0x10020718 0x4>;
+ interrupts = <0 137 0>;
+ #io-channel-cells = <1>;
+ io-channel-ranges;
+
+ clocks = <&cmu CLK_TSADC>, <&cmu CLK_SCLK_TSADC>;
+ clock-names = "adc", "sclk";
+
+ vdd-supply = <&buck5_reg>;
+};
Example: Adding child nodes in dts file
diff --git a/dts/Bindings/arm/samsung/pmu.txt b/dts/Bindings/arm/samsung/pmu.txt
index 2a4ab046a8..1e1979b229 100644
--- a/dts/Bindings/arm/samsung/pmu.txt
+++ b/dts/Bindings/arm/samsung/pmu.txt
@@ -7,13 +7,45 @@ Properties:
- "samsung,exynos4212-pmu" - for Exynos4212 SoC,
- "samsung,exynos4412-pmu" - for Exynos4412 SoC,
- "samsung,exynos5250-pmu" - for Exynos5250 SoC,
+ - "samsung,exynos5260-pmu" - for Exynos5260 SoC.
+ - "samsung,exynos5410-pmu" - for Exynos5410 SoC,
- "samsung,exynos5420-pmu" - for Exynos5420 SoC.
second value must be always "syscon".
- reg : offset and length of the register set.
+ - #clock-cells : must be <1>, since PMU requires once cell as clock specifier.
+ The single specifier cell is used as index to list of clocks
+ provided by PMU, which is currently:
+ 0 : SoC clock output (CLKOUT pin)
+
+ - clock-names : list of clock names for particular CLKOUT mux inputs in
+ following format:
+ "clkoutN", where N is a decimal number corresponding to
+ CLKOUT mux control bits value for given input, e.g.
+ "clkout0", "clkout7", "clkout15".
+
+ - clocks : list of phandles and specifiers to all input clocks listed in
+ clock-names property.
+
Example :
pmu_system_controller: system-controller@10040000 {
compatible = "samsung,exynos5250-pmu", "syscon";
reg = <0x10040000 0x5000>;
+ #clock-cells = <1>;
+ clock-names = "clkout0", "clkout1", "clkout2", "clkout3",
+ "clkout4", "clkout8", "clkout9";
+ clocks = <&clock CLK_OUT_DMC>, <&clock CLK_OUT_TOP>,
+ <&clock CLK_OUT_LEFTBUS>, <&clock CLK_OUT_RIGHTBUS>,
+ <&clock CLK_OUT_CPU>, <&clock CLK_XXTI>,
+ <&clock CLK_XUSBXTI>;
+};
+
+Example of clock consumer :
+
+usb3503: usb3503@08 {
+ /* ... */
+ clock-names = "refclk";
+ clocks = <&pmu_system_controller 0>;
+ /* ... */
};