target/linux/brcm2708/patches-4.1/0084-BCM270X_DT-Create-a-core-clock-use-it-for-SPI-and-sd.patch

   1 From de3f225e647da316e52ed34b4129a6b512f2892f Mon Sep 17 00:00:00 2001
   2 From: Phil Elwell <phil@raspberrypi.org>
   3 Date: Fri, 26 Jun 2015 08:39:19 +0100
   4 Subject: [PATCH 084/148] BCM270X_DT: Create a "core" clock, use it for SPI and
   5  sdhost
   6
   7 ---
   8  arch/arm/boot/dts/bcm2708-rpi-b-plus.dts      |  1 +
   9  arch/arm/boot/dts/bcm2708-rpi-b.dts           |  1 +
  10  arch/arm/boot/dts/bcm2708-rpi-cm.dts          |  1 +
  11  arch/arm/boot/dts/bcm2708_common.dtsi         |  6 +++---
  12  arch/arm/boot/dts/bcm2709-rpi-2-b.dts         |  1 +
  13  arch/arm/boot/dts/overlays/sdhost-overlay.dts | 28 ++-------------------------
  14  6 files changed, 9 insertions(+), 29 deletions(-)
  15
  16 --- a/arch/arm/boot/dts/bcm2708-rpi-b-plus.dts
  17 +++ b/arch/arm/boot/dts/bcm2708-rpi-b-plus.dts
  18 @@ -124,6 +124,7 @@
  19                 i2c1 = <&i2c1>,"status";
  20                 i2c0_baudrate = <&i2c0>,"clock-frequency:0";
  21                 i2c1_baudrate = <&i2c1>,"clock-frequency:0";
  22 +               core_freq = <&clk_core>,"clock-frequency:0";
  23
  24                 act_led_gpio = <&act_led>,"gpios:4";
  25                 act_led_activelow = <&act_led>,"gpios:8";
  26 --- a/arch/arm/boot/dts/bcm2708-rpi-b.dts
  27 +++ b/arch/arm/boot/dts/bcm2708-rpi-b.dts
  28 @@ -118,6 +118,7 @@
  29                 i2c1 = <&i2c1>,"status";
  30                 i2c0_baudrate = <&i2c0>,"clock-frequency:0";
  31                 i2c1_baudrate = <&i2c1>,"clock-frequency:0";
  32 +               core_freq = <&clk_core>,"clock-frequency:0";
  33
  34                 act_led_gpio = <&act_led>,"gpios:4";
  35                 act_led_activelow = <&act_led>,"gpios:8";
  36 --- a/arch/arm/boot/dts/bcm2708-rpi-cm.dts
  37 +++ b/arch/arm/boot/dts/bcm2708-rpi-cm.dts
  38 @@ -14,5 +14,6 @@
  39         __overrides__ {
  40                 uart0 = <&uart0>,"status";
  41                 uart0_clkrate = <&clk_uart0>,"clock-frequency:0";
  42 +               core_freq = <&clk_core>,"clock-frequency:0";
  43         };
  44  };
  45 --- a/arch/arm/boot/dts/bcm2708_common.dtsi
  46 +++ b/arch/arm/boot/dts/bcm2708_common.dtsi
  47 @@ -110,7 +110,7 @@
  48                         compatible = "brcm,bcm2835-spi";
  49                         reg = <0x7e204000 0x1000>;
  50                         interrupts = <2 22>;
  51 -                       clocks = <&clk_spi>;
  52 +                       clocks = <&clk_core>;
  53                         #address-cells = <1>;
  54                         #size-cells = <0>;
  55                         status = "disabled";
  56 @@ -203,11 +203,11 @@
  57                         clock-frequency = <250000000>;
  58                 };
  59
  60 -               clk_spi: clock@2 {
  61 +               clk_core: clock@2 {
  62                         compatible = "fixed-clock";
  63                         reg = <2>;
  64                         #clock-cells = <0>;
  65 -                       clock-output-names = "spi";
  66 +                       clock-output-names = "core";
  67                         clock-frequency = <250000000>;
  68                 };
  69
  70 --- a/arch/arm/boot/dts/bcm2709-rpi-2-b.dts
  71 +++ b/arch/arm/boot/dts/bcm2709-rpi-2-b.dts
  72 @@ -124,6 +124,7 @@
  73                 i2c1 = <&i2c1>,"status";
  74                 i2c0_baudrate = <&i2c0>,"clock-frequency:0";
  75                 i2c1_baudrate = <&i2c1>,"clock-frequency:0";
  76 +               core_freq = <&clk_core>,"clock-frequency:0";
  77
  78                 act_led_gpio = <&act_led>,"gpios:4";
  79                 act_led_activelow = <&act_led>,"gpios:8";
  80 --- a/arch/arm/boot/dts/overlays/sdhost-overlay.dts
  81 +++ b/arch/arm/boot/dts/overlays/sdhost-overlay.dts
  82 @@ -16,7 +16,7 @@
  83                                 pinctrl-names = "default";
  84                                 pinctrl-0 = <&sdhost_pins>;
  85                                 interrupts = <2 24>;
  86 -                               clocks = <&clk_sdhost>;
  87 +                               clocks = <&clk_core>;
  88                                 dmas = <&dma 13>,
  89                                        <&dma 13>;
  90                                 dma-names = "tx", "rx";
  91 @@ -29,22 +29,6 @@
  92         };
  93
  94         fragment@1 {
  95 -               target = <&clocks>;
  96 -               __overlay__ {
  97 -                       #address-cells = <1>;
  98 -                       #size-cells = <0>;
  99 -
 100 -                       clk_sdhost: sdhost {
 101 -                               compatible = "fixed-clock";
 102 -                               reg = <0>;
 103 -                               #clock-cells = <0>;
 104 -                               clock-output-names = "sdhost";
 105 -                               clock-frequency = <250000000>;
 106 -                       };
 107 -               };
 108 -       };
 109 -
 110 -       fragment@2 {
 111                 target = <&gpio>;
 112                 __overlay__ {
 113                         sdhost_pins: sdhost_pins {
 114 @@ -54,7 +38,7 @@
 115                 };
 116         };
 117
 118 -       fragment@3 {
 119 +       fragment@2 {
 120                 target = <&mmc>;
 121                 __overlay__ {
 122                         /* Find a way to disable the other driver */
 123 @@ -63,18 +47,10 @@
 124                 };
 125         };
 126
 127 -       fragment@4 {
 128 -               target-path = "/__overrides__";
 129 -               __overlay__ {
 130 -                       sdhost_freq      = <&clk_sdhost>,"clock-frequency:0";
 131 -               };
 132 -       };
 133 -
 134         __overrides__ {
 135                 overclock_50     = <&sdhost>,"brcm,overclock-50:0";
 136                 force_pio        = <&sdhost>,"brcm,force-pio?";
 137                 pio_limit        = <&sdhost>,"brcm,pio-limit:0";
 138                 debug            = <&sdhost>,"brcm,debug?";
 139 -               sdhost_freq      = <&clk_sdhost>,"clock-frequency:0";
 140         };
 141  };