target/linux/bcm27xx/patches-6.1/950-1227-dts-rp1-Add-I2C-timings.patch

   1 From 660d569b1a623e4b64350e608bbf8bc2cc6332e9 Mon Sep 17 00:00:00 2001
   2 From: Phil Elwell <phil@raspberrypi.com>
   3 Date: Tue, 19 Dec 2023 11:27:20 +0000
   4 Subject: [PATCH] dts: rp1: Add I2C timings
   5
   6 Signed-off-by: Phil Elwell <phil@raspberrypi.com>
   7 ---
   8  arch/arm/boot/dts/rp1.dtsi | 42 ++++++++++++++++++++++++++++++++++++++
   9  1 file changed, 42 insertions(+)
  10
  11 --- a/arch/arm/boot/dts/rp1.dtsi
  12 +++ b/arch/arm/boot/dts/rp1.dtsi
  13 @@ -305,6 +305,12 @@
  14                         compatible = "snps,designware-i2c";
  15                         interrupts = <RP1_INT_I2C0 IRQ_TYPE_LEVEL_HIGH>;
  16                         clocks = <&rp1_clocks RP1_CLK_SYS>;
  17 +                       snps,ss_hcnt = <978>;
  18 +                       snps,ss_lcnt = <990>;
  19 +                       snps,fs_hcnt = <200>;
  20 +                       snps,fs_lcnt = <268>;
  21 +                       snps,fp_hcnt = <60>;
  22 +                       snps,fp_lcnt = <107>;
  23                         status = "disabled";
  24                 };
  25
  26 @@ -313,6 +319,12 @@
  27                         compatible = "snps,designware-i2c";
  28                         interrupts = <RP1_INT_I2C1 IRQ_TYPE_LEVEL_HIGH>;
  29                         clocks = <&rp1_clocks RP1_CLK_SYS>;
  30 +                       snps,ss_hcnt = <978>;
  31 +                       snps,ss_lcnt = <990>;
  32 +                       snps,fs_hcnt = <200>;
  33 +                       snps,fs_lcnt = <268>;
  34 +                       snps,fp_hcnt = <60>;
  35 +                       snps,fp_lcnt = <107>;
  36                         status = "disabled";
  37                 };
  38
  39 @@ -321,6 +333,12 @@
  40                         compatible = "snps,designware-i2c";
  41                         interrupts = <RP1_INT_I2C2 IRQ_TYPE_LEVEL_HIGH>;
  42                         clocks = <&rp1_clocks RP1_CLK_SYS>;
  43 +                       snps,ss_hcnt = <978>;
  44 +                       snps,ss_lcnt = <990>;
  45 +                       snps,fs_hcnt = <200>;
  46 +                       snps,fs_lcnt = <268>;
  47 +                       snps,fp_hcnt = <60>;
  48 +                       snps,fp_lcnt = <107>;
  49                         status = "disabled";
  50                 };
  51
  52 @@ -329,6 +347,12 @@
  53                         compatible = "snps,designware-i2c";
  54                         interrupts = <RP1_INT_I2C3 IRQ_TYPE_LEVEL_HIGH>;
  55                         clocks = <&rp1_clocks RP1_CLK_SYS>;
  56 +                       snps,ss_hcnt = <978>;
  57 +                       snps,ss_lcnt = <990>;
  58 +                       snps,fs_hcnt = <200>;
  59 +                       snps,fs_lcnt = <268>;
  60 +                       snps,fp_hcnt = <60>;
  61 +                       snps,fp_lcnt = <107>;
  62                         status = "disabled";
  63                 };
  64
  65 @@ -337,6 +361,12 @@
  66                         compatible = "snps,designware-i2c";
  67                         interrupts = <RP1_INT_I2C4 IRQ_TYPE_LEVEL_HIGH>;
  68                         clocks = <&rp1_clocks RP1_CLK_SYS>;
  69 +                       snps,ss_hcnt = <978>;
  70 +                       snps,ss_lcnt = <990>;
  71 +                       snps,fs_hcnt = <200>;
  72 +                       snps,fs_lcnt = <268>;
  73 +                       snps,fp_hcnt = <60>;
  74 +                       snps,fp_lcnt = <107>;
  75                         status = "disabled";
  76                 };
  77
  78 @@ -345,6 +375,12 @@
  79                         compatible = "snps,designware-i2c";
  80                         interrupts = <RP1_INT_I2C5 IRQ_TYPE_LEVEL_HIGH>;
  81                         clocks = <&rp1_clocks RP1_CLK_SYS>;
  82 +                       snps,ss_hcnt = <978>;
  83 +                       snps,ss_lcnt = <990>;
  84 +                       snps,fs_hcnt = <200>;
  85 +                       snps,fs_lcnt = <268>;
  86 +                       snps,fp_hcnt = <60>;
  87 +                       snps,fp_lcnt = <107>;
  88                         status = "disabled";
  89                 };
  90
  91 @@ -353,6 +389,12 @@
  92                         compatible = "snps,designware-i2c";
  93                         interrupts = <RP1_INT_I2C6 IRQ_TYPE_LEVEL_HIGH>;
  94                         clocks = <&rp1_clocks RP1_CLK_SYS>;
  95 +                       snps,ss_hcnt = <978>;
  96 +                       snps,ss_lcnt = <990>;
  97 +                       snps,fs_hcnt = <200>;
  98 +                       snps,fs_lcnt = <268>;
  99 +                       snps,fp_hcnt = <60>;
 100 +                       snps,fp_lcnt = <107>;
 101                         status = "disabled";
 102                 };
 103