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ARM: dts: rcar-gen1: Correct internal delay for i2c[123]

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According to the R-Car M1A and H1 Hardware User's Manuals Rev. 1.00, the
LSI internal delay for I2C instances 1 to 3 is 5 ns (typ.), which
differs from the default 50 ns as specified for instance 0.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/1eac63f15a776e492ff8a2d8447c5e1019982dd1.1620138979.git.geert+renesas@glider.be
Link: https://lore.kernel.org/r/73c96fd455df82ef04fd1db6d7dd79b4679f6c56.1620138979.git.geert+renesas@glider.be
This commit is contained in:
Geert Uytterhoeven
2021-05-04 16:41:24 +02:00
parent e9550a536e
commit d4ea5c61e1
2 changed files with 6 additions and 0 deletions
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3
arch/arm/boot/dts/r8a7778.dtsi
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@@ -166,6 +166,7 @@
interrupts = <GIC_SPI 78 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&mstp0_clks R8A7778_CLK_I2C1>;
power-domains = <&cpg_clocks>;
i2c-scl-internal-delay-ns = <5>;
status = "disabled";
};
@@ -177,6 +178,7 @@
interrupts = <GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&mstp0_clks R8A7778_CLK_I2C2>;
power-domains = <&cpg_clocks>;
i2c-scl-internal-delay-ns = <5>;
status = "disabled";
};
@@ -188,6 +190,7 @@
interrupts = <GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&mstp0_clks R8A7778_CLK_I2C3>;
power-domains = <&cpg_clocks>;
i2c-scl-internal-delay-ns = <5>;
status = "disabled";
};

3
arch/arm/boot/dts/r8a7779.dtsi
View File

@@ -198,6 +198,7 @@
interrupts = <GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&mstp0_clks R8A7779_CLK_I2C1>;
power-domains = <&sysc R8A7779_PD_ALWAYS_ON>;
i2c-scl-internal-delay-ns = <5>;
status = "disabled";
};
@@ -209,6 +210,7 @@
interrupts = <GIC_SPI 80 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&mstp0_clks R8A7779_CLK_I2C2>;
power-domains = <&sysc R8A7779_PD_ALWAYS_ON>;
i2c-scl-internal-delay-ns = <5>;
status = "disabled";
};
@@ -220,6 +222,7 @@
interrupts = <GIC_SPI 81 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&mstp0_clks R8A7779_CLK_I2C3>;
power-domains = <&sysc R8A7779_PD_ALWAYS_ON>;
i2c-scl-internal-delay-ns = <5>;
status = "disabled";
};