diff options
| author | Geert Uytterhoeven <geert+renesas@glider.be> | 2021-05-04 16:41:24 +0200 |
|---|---|---|
| committer | Geert Uytterhoeven <geert+renesas@glider.be> | 2021-05-25 09:58:30 +0200 |
| commit | d4ea5c61e15adb3995a9944b96e842ce7faaa450 (patch) | |
| tree | e1e520daf357d69e6f84121b26f55c5fbaf3cc74 /arch/arm/boot | |
| parent | e9550a536e3edd23b88926a6fb27fa200b56dfa9 (diff) | |
ARM: dts: rcar-gen1: Correct internal delay for i2c[123]
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
Diffstat (limited to 'arch/arm/boot')
| -rw-r--r-- | arch/arm/boot/dts/r8a7778.dtsi | 3 | ||||
| -rw-r--r-- | arch/arm/boot/dts/r8a7779.dtsi | 3 |
2 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/r8a7778.dtsi b/arch/arm/boot/dts/r8a7778.dtsi index c9f8735860bf..95efbafb0b70 100644 --- a/arch/arm/boot/dts/r8a7778.dtsi +++ b/arch/arm/boot/dts/r8a7778.dtsi @@ -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"; }; diff --git a/arch/arm/boot/dts/r8a7779.dtsi b/arch/arm/boot/dts/r8a7779.dtsi index 3c5fcdfe16b8..39fc58f32df6 100644 --- a/arch/arm/boot/dts/r8a7779.dtsi +++ b/arch/arm/boot/dts/r8a7779.dtsi @@ -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"; }; |