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From 660d569b1a623e4b64350e608bbf8bc2cc6332e9 Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.com>
Date: Tue, 19 Dec 2023 11:27:20 +0000
Subject: [PATCH] dts: rp1: Add I2C timings
Signed-off-by: Phil Elwell <phil@raspberrypi.com>
---
arch/arm/boot/dts/rp1.dtsi | 42 ++++++++++++++++++++++++++++++++++++++
1 file changed, 42 insertions(+)
--- a/arch/arm/boot/dts/rp1.dtsi
+++ b/arch/arm/boot/dts/rp1.dtsi
@@ -305,6 +305,12 @@
compatible = "snps,designware-i2c";
interrupts = <RP1_INT_I2C0 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&rp1_clocks RP1_CLK_SYS>;
+ snps,ss_hcnt = <978>;
+ snps,ss_lcnt = <990>;
+ snps,fs_hcnt = <200>;
+ snps,fs_lcnt = <268>;
+ snps,fp_hcnt = <60>;
+ snps,fp_lcnt = <107>;
status = "disabled";
};
@@ -313,6 +319,12 @@
compatible = "snps,designware-i2c";
interrupts = <RP1_INT_I2C1 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&rp1_clocks RP1_CLK_SYS>;
+ snps,ss_hcnt = <978>;
+ snps,ss_lcnt = <990>;
+ snps,fs_hcnt = <200>;
+ snps,fs_lcnt = <268>;
+ snps,fp_hcnt = <60>;
+ snps,fp_lcnt = <107>;
status = "disabled";
};
@@ -321,6 +333,12 @@
compatible = "snps,designware-i2c";
interrupts = <RP1_INT_I2C2 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&rp1_clocks RP1_CLK_SYS>;
+ snps,ss_hcnt = <978>;
+ snps,ss_lcnt = <990>;
+ snps,fs_hcnt = <200>;
+ snps,fs_lcnt = <268>;
+ snps,fp_hcnt = <60>;
+ snps,fp_lcnt = <107>;
status = "disabled";
};
@@ -329,6 +347,12 @@
compatible = "snps,designware-i2c";
interrupts = <RP1_INT_I2C3 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&rp1_clocks RP1_CLK_SYS>;
+ snps,ss_hcnt = <978>;
+ snps,ss_lcnt = <990>;
+ snps,fs_hcnt = <200>;
+ snps,fs_lcnt = <268>;
+ snps,fp_hcnt = <60>;
+ snps,fp_lcnt = <107>;
status = "disabled";
};
@@ -337,6 +361,12 @@
compatible = "snps,designware-i2c";
interrupts = <RP1_INT_I2C4 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&rp1_clocks RP1_CLK_SYS>;
+ snps,ss_hcnt = <978>;
+ snps,ss_lcnt = <990>;
+ snps,fs_hcnt = <200>;
+ snps,fs_lcnt = <268>;
+ snps,fp_hcnt = <60>;
+ snps,fp_lcnt = <107>;
status = "disabled";
};
@@ -345,6 +375,12 @@
compatible = "snps,designware-i2c";
interrupts = <RP1_INT_I2C5 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&rp1_clocks RP1_CLK_SYS>;
+ snps,ss_hcnt = <978>;
+ snps,ss_lcnt = <990>;
+ snps,fs_hcnt = <200>;
+ snps,fs_lcnt = <268>;
+ snps,fp_hcnt = <60>;
+ snps,fp_lcnt = <107>;
status = "disabled";
};
@@ -353,6 +389,12 @@
compatible = "snps,designware-i2c";
interrupts = <RP1_INT_I2C6 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&rp1_clocks RP1_CLK_SYS>;
+ snps,ss_hcnt = <978>;
+ snps,ss_lcnt = <990>;
+ snps,fs_hcnt = <200>;
+ snps,fs_lcnt = <268>;
+ snps,fp_hcnt = <60>;
+ snps,fp_lcnt = <107>;
status = "disabled";
};
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