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ARM: dts: ux500: Add aliases for I2C and SPI buses

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Now that we disable the I2C/SPI buses by default, is is even more
important to assign aliases to the I2C/SPI device nodes.
Otherwise, enabling/disabling one of them will potentially change
all device IDs, e.g. i2c2 will be named i2c-0 if it is the only
enabled I2C bus.

Add aliases for the I2C and SPI buses to avoid this.

Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Link: https://lore.kernel.org/r/20191125170428.76069-2-stephan@gerhold.net
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Stephan Gerhold 2019-11-25 18:04:26 +01:00 committed by Linus Walleij
parent fae284f1bc
commit 6b69c7296a
1 changed files with 24 additions and 11 deletions
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35
arch/arm/boot/dts/ste-dbx5x0.dtsi
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@ -14,6 +14,19 @@ / {
#address-cells = <1>;
#size-cells = <1>;
/* This stablilizes the device enumeration */
aliases {
i2c0 = &i2c0;
i2c1 = &i2c1;
i2c2 = &i2c2;
i2c3 = &i2c3;
i2c4 = &i2c4;
spi0 = &spi0;
spi1 = &spi1;
spi2 = &spi2;
spi3 = &spi3;
};
chosen {
};
@ -638,7 +651,7 @@ db8500_esram34_ret_reg: db8500_esram34_ret {
};
};
i2c@80004000 {
i2c0: i2c@80004000 {
compatible = "stericsson,db8500-i2c", "st,nomadik-i2c", "arm,primecell";
reg = <0x80004000 0x1000>;
interrupts = <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>;
@ -655,7 +668,7 @@ i2c@80004000 {
status = "disabled";
};
i2c@80122000 {
i2c1: i2c@80122000 {
compatible = "stericsson,db8500-i2c", "st,nomadik-i2c", "arm,primecell";
reg = <0x80122000 0x1000>;
interrupts = <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>;
@ -673,7 +686,7 @@ i2c@80122000 {
status = "disabled";
};
i2c@80128000 {
i2c2: i2c@80128000 {
compatible = "stericsson,db8500-i2c", "st,nomadik-i2c", "arm,primecell";
reg = <0x80128000 0x1000>;
interrupts = <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>;
@ -691,7 +704,7 @@ i2c@80128000 {
status = "disabled";
};
i2c@80110000 {
i2c3: i2c@80110000 {
compatible = "stericsson,db8500-i2c", "st,nomadik-i2c", "arm,primecell";
reg = <0x80110000 0x1000>;
interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
@ -709,7 +722,7 @@ i2c@80110000 {
status = "disabled";
};
i2c@8012a000 {
i2c4: i2c@8012a000 {
compatible = "stericsson,db8500-i2c", "st,nomadik-i2c", "arm,primecell";
reg = <0x8012a000 0x1000>;
interrupts = <GIC_SPI 51 IRQ_TYPE_LEVEL_HIGH>;
@ -727,7 +740,7 @@ i2c@8012a000 {
status = "disabled";
};
spi@80002000 {
ssp0: spi@80002000 {
compatible = "arm,pl022", "arm,primecell";
reg = <0x80002000 0x1000>;
interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>;
@ -743,7 +756,7 @@ spi@80002000 {
status = "disabled";
};
spi@80003000 {
ssp1: spi@80003000 {
compatible = "arm,pl022", "arm,primecell";
reg = <0x80003000 0x1000>;
interrupts = <GIC_SPI 52 IRQ_TYPE_LEVEL_HIGH>;
@ -759,7 +772,7 @@ spi@80003000 {
status = "disabled";
};
spi@8011a000 {
spi0: spi@8011a000 {
compatible = "arm,pl022", "arm,primecell";
reg = <0x8011a000 0x1000>;
interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>;
@ -776,7 +789,7 @@ spi@8011a000 {
status = "disabled";
};
spi@80112000 {
spi1: spi@80112000 {
compatible = "arm,pl022", "arm,primecell";
reg = <0x80112000 0x1000>;
interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>;
@ -793,7 +806,7 @@ spi@80112000 {
status = "disabled";
};
spi@80111000 {
spi2: spi@80111000 {
compatible = "arm,pl022", "arm,primecell";
reg = <0x80111000 0x1000>;
interrupts = <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>;
@ -810,7 +823,7 @@ spi@80111000 {
status = "disabled";
};
spi@80129000 {
spi3: spi@80129000 {
compatible = "arm,pl022", "arm,primecell";
reg = <0x80129000 0x1000>;
interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>;