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6 changes: 3 additions & 3 deletions arch/arm/boot/dts/overlays/README
Original file line number Diff line number Diff line change
Expand Up @@ -3393,9 +3393,9 @@ Params: s08-spi<n>-<m>-present 4-bit integer, bitmap indicating MCP23S08


Name: mcp2515
Info: Configures the MCP2515 CAN controller on spi0/1/2
For devices on spi1 or spi2, the interfaces should be enabled
with one of the spi1-1/2/3cs and/or spi2-1/2/3cs overlays.
Info: Configures the MCP2515 CAN controller on spi0/1/2/3/5
For devices on spi1, spi2, spi3 or spi5, the interfaces should be enabled
with one of the spi<n>-1/2/3cs overlays.
Load: dtoverlay=mcp2515,<param>=<val>
Params: spi<n>-<m> Configure device at spi<n>, cs<m>
(boolean, required)
Expand Down
59 changes: 56 additions & 3 deletions arch/arm/boot/dts/overlays/mcp2515-overlay.dts
Original file line number Diff line number Diff line change
Expand Up @@ -67,6 +67,34 @@
};

fragment@8 {
target-path = "spi3/spidev@0";
__dormant__ {
status = "disabled";
};
};

fragment@9 {
target-path = "spi3/spidev@1";
__dormant__ {
status = "disabled";
};
};

fragment@10 {
target-path = "spi5/spidev@0";
__dormant__ {
status = "disabled";
};
};

fragment@11 {
target-path = "spi5/spidev@1";
__dormant__ {
status = "disabled";
};
};

fragment@12 {
target = <&gpio>;
__overlay__ {
mcp2515_pins: mcp2515_pins {
Expand All @@ -76,7 +104,7 @@
};
};

fragment@9 {
fragment@13 {
target-path = "/clocks";
__overlay__ {
clk_mcp2515_osc: mcp2515-osc {
Expand All @@ -87,7 +115,7 @@
};
};

mcp2515_frag: fragment@10 {
mcp2515_frag: fragment@14 {
target = <&spi0>;
__overlay__ {
status = "okay";
Expand Down Expand Up @@ -118,6 +146,7 @@
<&mcp2515>, "reg:0=1",
<&mcp2515_pins>, "name=mcp2515_spi0_1_pins",
<&clk_mcp2515_osc>, "name=mcp2515-spi0-1-osc";

spi1-0 = <0>, "+2",
<&mcp2515_frag>, "target:0=", <&spi1>,
<&mcp2515>, "reg:0=0",
Expand All @@ -133,6 +162,7 @@
<&mcp2515>, "reg:0=2",
<&mcp2515_pins>, "name=mcp2515_spi1_2_pins",
<&clk_mcp2515_osc>, "name=mcp2515-spi1-2-osc";

spi2-0 = <0>, "+5",
<&mcp2515_frag>, "target:0=", <&spi2>,
<&mcp2515>, "reg:0=0",
Expand All @@ -148,9 +178,32 @@
<&mcp2515>, "reg:0=2",
<&mcp2515_pins>, "name=mcp2515_spi2_2_pins",
<&clk_mcp2515_osc>, "name=mcp2515-spi2-2-osc";

spi3-0 = <0>, "+8",
<&mcp2515_frag>, "target:0=", <&spi3>,
<&mcp2515>, "reg:0=0",
<&mcp2515_pins>, "name=mcp2515_spi3_0_pins",
<&clk_mcp2515_osc>, "name=mcp2515-spi3-0-osc";
spi3-1 = <0>, "+9",
<&mcp2515_frag>, "target:0=", <&spi3>,
<&mcp2515>, "reg:0=1",
<&mcp2515_pins>, "name=mcp2515_spi3_1_pins",
<&clk_mcp2515_osc>, "name=mcp2515-spi3-1-osc";

spi5-0 = <0>, "+10",
<&mcp2515_frag>, "target:0=", <&spi5>,
<&mcp2515>, "reg:0=0",
<&mcp2515_pins>, "name=mcp2515_spi5_0_pins",
<&clk_mcp2515_osc>, "name=mcp2515-spi5-0-osc";
spi5-1 = <0>, "+11",
<&mcp2515_frag>, "target:0=", <&spi5>,
<&mcp2515>, "reg:0=1",
<&mcp2515_pins>, "name=mcp2515_spi5_1_pins",
<&clk_mcp2515_osc>, "name=mcp2515-spi5-1-osc";

oscillator = <&clk_mcp2515_osc>, "clock-frequency:0";
speed = <&mcp2515>, "spi-max-frequency:0";
interrupt = <&mcp2515_pins>, "brcm,pins:0",
<&mcp2515>, "interrupts:0";
};
};
};

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