diff options
Diffstat (limited to 'dts/Bindings/arm/atmel-sysregs.txt')
-rw-r--r-- | dts/Bindings/arm/atmel-sysregs.txt | 119 |
1 files changed, 15 insertions, 104 deletions
diff --git a/dts/Bindings/arm/atmel-sysregs.txt b/dts/Bindings/arm/atmel-sysregs.txt index 9fbde401a0..67a66bf748 100644 --- a/dts/Bindings/arm/atmel-sysregs.txt +++ b/dts/Bindings/arm/atmel-sysregs.txt @@ -1,7 +1,7 @@ Atmel system registers Chipid required properties: -- compatible: Should be "atmel,sama5d2-chipid" +- compatible: Should be "atmel,sama5d2-chipid" or "microchip,sama7g5-chipid" - reg : Should contain registers location and length PIT Timer required properties: @@ -10,6 +10,12 @@ PIT Timer required properties: - interrupts: Should contain interrupt for the PIT which is the IRQ line shared across all System Controller members. +PIT64B Timer required properties: +- compatible: Should be "microchip,sam9x60-pit64b" +- reg: Should contain registers location and length +- interrupts: Should contain interrupt for PIT64B timer +- clocks: Should contain the available clock sources for PIT64B timer. + System Timer (ST) required properties: - compatible: Should be "atmel,at91rm9200-st", "syscon", "simple-mfd" - reg: Should contain registers location and length @@ -19,26 +25,13 @@ System Timer (ST) required properties: Its subnodes can be: - watchdog: compatible should be "atmel,at91rm9200-wdt" -RSTC Reset Controller required properties: -- compatible: Should be "atmel,<chip>-rstc". - <chip> can be "at91sam9260", "at91sam9g45", "sama5d3" or "samx7" - it also can be "microchip,sam9x60-rstc" -- reg: Should contain registers location and length -- clocks: phandle to input clock. - -Example: - - rstc@fffffd00 { - compatible = "atmel,at91sam9260-rstc"; - reg = <0xfffffd00 0x10>; - clocks = <&clk32k>; - }; - RAMC SDRAM/DDR Controller required properties: - compatible: Should be "atmel,at91rm9200-sdramc", "syscon" "atmel,at91sam9260-sdramc", "atmel,at91sam9g45-ddramc", "atmel,sama5d3-ddramc", + "microchip,sam9x60-ddramc", + "microchip,sama7g5-uddrc" - reg: Should contain registers location and length Examples: @@ -48,98 +41,16 @@ Examples: reg = <0xffffe800 0x200>; }; -SHDWC Shutdown Controller - -required properties: -- compatible: Should be "atmel,<chip>-shdwc". - <chip> can be "at91sam9260", "at91sam9rl" or "at91sam9x5". +RAMC PHY Controller required properties: +- compatible: Should be "microchip,sama7g5-ddr3phy", "syscon" - reg: Should contain registers location and length -- clocks: phandle to input clock. - -optional properties: -- atmel,wakeup-mode: String, operation mode of the wakeup mode. - Supported values are: "none", "high", "low", "any". -- atmel,wakeup-counter: Counter on Wake-up 0 (between 0x0 and 0xf). - -optional at91sam9260 properties: -- atmel,wakeup-rtt-timer: boolean to enable Real-time Timer Wake-up. - -optional at91sam9rl properties: -- atmel,wakeup-rtc-timer: boolean to enable Real-time Clock Wake-up. -- atmel,wakeup-rtt-timer: boolean to enable Real-time Timer Wake-up. - -optional at91sam9x5 properties: -- atmel,wakeup-rtc-timer: boolean to enable Real-time Clock Wake-up. - -Example: - - shdwc@fffffd10 { - compatible = "atmel,at91sam9260-shdwc"; - reg = <0xfffffd10 0x10>; - clocks = <&clk32k>; - }; - -SHDWC SAMA5D2-Compatible Shutdown Controller - -1) shdwc node - -required properties: -- compatible: should be "atmel,sama5d2-shdwc" or "microchip,sam9x60-shdwc". -- reg: should contain registers location and length -- clocks: phandle to input clock. -- #address-cells: should be one. The cell is the wake-up input index. -- #size-cells: should be zero. - -optional properties: - -- debounce-delay-us: minimum wake-up inputs debouncer period in - microseconds. It's usually a board-related property. -- atmel,wakeup-rtc-timer: boolean to enable Real-Time Clock wake-up. - -optional microchip,sam9x60-shdwc properties: -- atmel,wakeup-rtt-timer: boolean to enable Real-time Timer Wake-up. - -The node contains child nodes for each wake-up input that the platform uses. - -2) input nodes - -Wake-up input nodes are usually described in the "board" part of the Device -Tree. Note also that input 0 is linked to the wake-up pin and is frequently -used. - -Required properties: -- reg: should contain the wake-up input index [0 - 15]. - -Optional properties: -- atmel,wakeup-active-high: boolean, the corresponding wake-up input described - by the child, forces the wake-up of the core power supply on a high level. - The default is to be active low. Example: -On the SoC side: - shdwc@f8048010 { - compatible = "atmel,sama5d2-shdwc"; - reg = <0xf8048010 0x10>; - clocks = <&clk32k>; - #address-cells = <1>; - #size-cells = <0>; - atmel,wakeup-rtc-timer; - }; - -On the board side: - shdwc@f8048010 { - debounce-delay-us = <976>; - - input@0 { - reg = <0>; - }; - - input@1 { - reg = <1>; - atmel,wakeup-active-high; - }; - }; + ddr3phy: ddr3phy@e3804000 { + compatible = "microchip,sama7g5-ddr3phy", "syscon"; + reg = <0xe3804000 0x1000>; +}; Special Function Registers (SFR) |