See cover-letter for changelog
Signed-off-by: Serge Semin <fancer.lancer@xxxxxxxxx>
---
.../devicetree/bindings/misc/idt_89hpesx.txt | 41 ++++++++++++++++++++++
1 file changed, 41 insertions(+)
create mode 100644 Documentation/devicetree/bindings/misc/idt_89hpesx.txt
diff --git a/Documentation/devicetree/bindings/misc/idt_89hpesx.txt b/Documentation/devicetree/bindings/misc/idt_89hpesx.txt
index 0000000..469cc93
--- /dev/null
+++ b/Documentation/devicetree/bindings/misc/idt_89hpesx.txt
@@ -0,0 +1,41 @@
+EEPROM / CSR SMBus-slave interface of IDT 89HPESx devices
+
+Required properties:
+ - compatible : should be "<manufacturer>,<type>"
+ Basically there is only one manufacturer: idt, but some
+ compatible devices may be produced in future. Following devices
+ are supported: 89hpes8nt2, 89hpes12nt3, 89hpes24nt6ag2,
+ 89hpes32nt8ag2, 89hpes32nt8bg2, 89hpes12nt12g2, 89hpes16nt16g2,
+ 89hpes24nt24g2, 89hpes32nt24ag2, 89hpes32nt24bg2;
+ 89hpes12n3, 89hpes12n3a, 89hpes24n3, 89hpes24n3a;
+ 89hpes32h8, 89hpes32h8g2, 89hpes48h12, 89hpes48h12g2,
+ 89hpes48h12ag2, 89hpes16h16, 89hpes22h16, 89hpes22h16g2,
+ 89hpes34h16, 89hpes34h16g2, 89hpes64h16, 89hpes64h16g2,
+ 89hpes64h16ag2;
+ 89hpes12t3g2, 89hpes24t3g2, 89hpes16t4, 89hpes4t4g2,
+ 89hpes10t4g2, 89hpes16t4g2, 89hpes16t4ag2, 89hpes5t5,
+ 89hpes6t5, 89hpes8t5, 89hpes8t5a, 89hpes24t6, 89hpes6t6g2,
+ 89hpes24t6g2, 89hpes16t7, 89hpes32t8, 89hpes32t8g2,
+ 89hpes48t12, 89hpes48t12g2.
+ Current implementation of the driver doesn't have any device-
+ specific functionalities. But since each of them differs
+ by registers mapping, CSRs read/write restrictions can be
+ added in future.
+ - reg : I2C address of the IDT 89HPES device.
+
+Optional properties:
+ - read-only : Parameterless property disables writes to the EEPROM
+ - idt,eesize : Size of EEPROM device connected to IDT 89HPES i2c-master bus
+ (default value is 4096 bytes if option isn't specified)
+ - idt,eeaddr : Custom address of EEPROM device
+ (If not specified IDT 89HPESx device will try to communicate
+ with EEPROM sited by default address - 0x50)
+
+Example:
+ idt_pcie_sw@60 {
+ compatible = "idt,89hpes12nt3";
+ reg = <0x60>;
+ read-only;
+ idt,eesize = <65536>;
+ idt,eeaddr = <0x50>;
+ };
--
2.6.6
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