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MIPS: DTS: JZ4780: define node for JZ4780 efuse

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This patch brings support for the JZ4780 efuse. Currently it only exposes
a read only access to the entire 8K bits efuse memory and the
ethernet mac address for the davicom dm9000 chip on the CI20 board.

It also changes the nemc ranges definition to give the driver
access to the efuse registers, which are in the middle of the
nemc reg range.

Tested-by: Mathieu Malaterre <malat@debian.org>
Signed-off-by: PrasannaKumar Muralidharan <prasannatsmkumar@gmail.com>
Signed-off-by: Mathieu Malaterre <malat@debian.org>
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
This commit is contained in:
PrasannaKumar Muralidharan 2020-02-28 17:00:52 +01:00 committed by Thomas Bogendoerfer
parent c2591eb5da
commit 190607f2d5
1 changed files with 17 additions and 2 deletions
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19
arch/mips/boot/dts/ingenic/jz4780.dtsi
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@ -358,11 +358,12 @@ i2c4: i2c@10054000 {
};
nemc: nemc@13410000 {
compatible = "ingenic,jz4780-nemc";
compatible = "ingenic,jz4780-nemc", "simple-mfd";
reg = <0x13410000 0x10000>;
#address-cells = <2>;
#size-cells = <1>;
ranges = <1 0 0x1b000000 0x1000000
ranges = <0 0 0x13410000 0x10000
1 0 0x1b000000 0x1000000
2 0 0x1a000000 0x1000000
3 0 0x19000000 0x1000000
4 0 0x18000000 0x1000000
@ -372,6 +373,20 @@ nemc: nemc@13410000 {
clocks = <&cgu JZ4780_CLK_NEMC>;
status = "disabled";
efuse: efuse@d0 {
reg = <0 0xd0 0x30>;
compatible = "ingenic,jz4780-efuse";
clocks = <&cgu JZ4780_CLK_AHB2>;
#address-cells = <1>;
#size-cells = <1>;
eth0_addr: eth-mac-addr@0x22 {
reg = <0x22 0x6>;
};
};
};
dma: dma@13420000 {