mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-22 06:57:57 +00:00
79 lines
2.3 KiB
Diff
79 lines
2.3 KiB
Diff
|
From c696ba4aacc39492ce09279c71135663d899a298 Mon Sep 17 00:00:00 2001
|
||
|
|
From: Phil Elwell <phil@raspberrypi.com>
|
||
|
|
Date: Tue, 16 Jan 2024 16:05:18 +0000
|
||
|
|
Subject: [PATCH 0865/1085] ARM: dts: rp1: Add I2C timings
|
||
|
|
|
||
|
|
Add SCL rise and fall times, to allow the derivation of timings at
|
||
|
|
arbitrary speeds.
|
||
|
|
|
||
|
|
Signed-off-by: Phil Elwell <phil@raspberrypi.com>
|
||
|
|
---
|
||
|
|
arch/arm/boot/dts/broadcom/rp1.dtsi | 14 ++++++++++++++
|
||
|
|
1 file changed, 14 insertions(+)
|
||
|
|
|
||
|
|
--- a/arch/arm/boot/dts/broadcom/rp1.dtsi
|
||
|
|
+++ b/arch/arm/boot/dts/broadcom/rp1.dtsi
|
||
|
|
@@ -305,6 +305,8 @@
|
||
|
|
compatible = "snps,designware-i2c";
|
||
|
|
interrupts = <RP1_INT_I2C0 IRQ_TYPE_LEVEL_HIGH>;
|
||
|
|
clocks = <&rp1_clocks RP1_CLK_SYS>;
|
||
|
|
+ i2c-scl-rising-time-ns = <65>;
|
||
|
|
+ i2c-scl-falling-time-ns = <100>;
|
||
|
|
status = "disabled";
|
||
|
|
};
|
||
|
|
|
||
|
|
@@ -313,6 +315,8 @@
|
||
|
|
compatible = "snps,designware-i2c";
|
||
|
|
interrupts = <RP1_INT_I2C1 IRQ_TYPE_LEVEL_HIGH>;
|
||
|
|
clocks = <&rp1_clocks RP1_CLK_SYS>;
|
||
|
|
+ i2c-scl-rising-time-ns = <65>;
|
||
|
|
+ i2c-scl-falling-time-ns = <100>;
|
||
|
|
status = "disabled";
|
||
|
|
};
|
||
|
|
|
||
|
|
@@ -321,6 +325,8 @@
|
||
|
|
compatible = "snps,designware-i2c";
|
||
|
|
interrupts = <RP1_INT_I2C2 IRQ_TYPE_LEVEL_HIGH>;
|
||
|
|
clocks = <&rp1_clocks RP1_CLK_SYS>;
|
||
|
|
+ i2c-scl-rising-time-ns = <65>;
|
||
|
|
+ i2c-scl-falling-time-ns = <100>;
|
||
|
|
status = "disabled";
|
||
|
|
};
|
||
|
|
|
||
|
|
@@ -329,6 +335,8 @@
|
||
|
|
compatible = "snps,designware-i2c";
|
||
|
|
interrupts = <RP1_INT_I2C3 IRQ_TYPE_LEVEL_HIGH>;
|
||
|
|
clocks = <&rp1_clocks RP1_CLK_SYS>;
|
||
|
|
+ i2c-scl-rising-time-ns = <65>;
|
||
|
|
+ i2c-scl-falling-time-ns = <100>;
|
||
|
|
status = "disabled";
|
||
|
|
};
|
||
|
|
|
||
|
|
@@ -337,6 +345,8 @@
|
||
|
|
compatible = "snps,designware-i2c";
|
||
|
|
interrupts = <RP1_INT_I2C4 IRQ_TYPE_LEVEL_HIGH>;
|
||
|
|
clocks = <&rp1_clocks RP1_CLK_SYS>;
|
||
|
|
+ i2c-scl-rising-time-ns = <65>;
|
||
|
|
+ i2c-scl-falling-time-ns = <100>;
|
||
|
|
status = "disabled";
|
||
|
|
};
|
||
|
|
|
||
|
|
@@ -345,6 +355,8 @@
|
||
|
|
compatible = "snps,designware-i2c";
|
||
|
|
interrupts = <RP1_INT_I2C5 IRQ_TYPE_LEVEL_HIGH>;
|
||
|
|
clocks = <&rp1_clocks RP1_CLK_SYS>;
|
||
|
|
+ i2c-scl-rising-time-ns = <65>;
|
||
|
|
+ i2c-scl-falling-time-ns = <100>;
|
||
|
|
status = "disabled";
|
||
|
|
};
|
||
|
|
|
||
|
|
@@ -353,6 +365,8 @@
|
||
|
|
compatible = "snps,designware-i2c";
|
||
|
|
interrupts = <RP1_INT_I2C6 IRQ_TYPE_LEVEL_HIGH>;
|
||
|
|
clocks = <&rp1_clocks RP1_CLK_SYS>;
|
||
|
|
+ i2c-scl-rising-time-ns = <65>;
|
||
|
|
+ i2c-scl-falling-time-ns = <100>;
|
||
|
|
status = "disabled";
|
||
|
|
};
|
||
|
|
|