git.openwrt.org Git - openwrt/staging/jow.git/blob

   1 From 51cdff455e3c3df29764f71bc0c9dd0e099945d6 Mon Sep 17 00:00:00 2001
   2 From: Jonathan Bell <jonathan@raspberrypi.com>
   3 Date: Wed, 8 Nov 2023 16:14:25 +0000
   4 Subject: [PATCH] arm: dts: change RP1 SDHCI controller compatible string
   5
   6 Also add a sdio-pi5 overlay which enables mmc0 on GPIOs 22-27, as was
   7 possible with earlier models of Pi.
   8
   9 Signed-off-by: Jonathan Bell <jonathan@raspberrypi.com>
  10 ---
  11  arch/arm/boot/dts/overlays/Makefile           |  1 +
  12  arch/arm/boot/dts/overlays/README             |  7 ++++++
  13  arch/arm/boot/dts/overlays/overlay_map.dts    |  4 ++++
  14  .../boot/dts/overlays/sdio-pi5-overlay.dts    | 24 +++++++++++++++++++
  15  arch/arm/boot/dts/rp1.dtsi                    |  4 ++--
  16  5 files changed, 38 insertions(+), 2 deletions(-)
  17  create mode 100644 arch/arm/boot/dts/overlays/sdio-pi5-overlay.dts
  18
  19 --- a/arch/arm/boot/dts/overlays/Makefile
  20 +++ b/arch/arm/boot/dts/overlays/Makefile
  21 @@ -225,6 +225,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
  22         sc16is752-spi1.dtbo \
  23         sdhost.dtbo \
  24         sdio.dtbo \
  25 +       sdio-pi5.dtbo \
  26         seeed-can-fd-hat-v1.dtbo \
  27         seeed-can-fd-hat-v2.dtbo \
  28         sh1106-spi.dtbo \
  29 --- a/arch/arm/boot/dts/overlays/README
  30 +++ b/arch/arm/boot/dts/overlays/README
  31 @@ -3932,6 +3932,13 @@ Info:   This overlay is now deprecated.
  32  Load:   <Deprecated>
  33
  34
  35 +Name:   sdio-pi5
  36 +Info:   Selects the rp1_mmc0 interface and enables it on GPIOs 22-27.
  37 +        Pi 5 only.
  38 +Load:   dtoverlay=sdio-pi5
  39 +Params: <None>
  40 +
  41 +
  42  Name:   sdtweak
  43  Info:   This overlay is now deprecated. Use the sd_* dtparams in the
  44          base DTB, e.g. "dtoverlay=sdtweak,poll_once" becomes
  45 --- a/arch/arm/boot/dts/overlays/overlay_map.dts
  46 +++ b/arch/arm/boot/dts/overlays/overlay_map.dts
  47 @@ -250,6 +250,10 @@
  48                 deprecated = "use sdio,bus_width=1,gpios_22_25";
  49         };
  50
  51 +       sdio-pi5 {
  52 +               bcm2712;
  53 +       };
  54 +
  55         sdtweak {
  56                 deprecated = "use 'dtparam=sd_poll_once' etc.";
  57         };
  58 --- /dev/null
  59 +++ b/arch/arm/boot/dts/overlays/sdio-pi5-overlay.dts
  60 @@ -0,0 +1,24 @@
  61 +/dts-v1/;
  62 +/plugin/;
  63 +
  64 +/* SDIO/SD/MMC on RP1 bank 0 */
  65 +
  66 +/{
  67 +       compatible = "brcm,bcm2712";
  68 +
  69 +       fragment@0 {
  70 +               target = <&rp1_mmc0>;
  71 +               frag0: __overlay__ {
  72 +                       status = "okay";
  73 +                       pinctrl-0 = <&rp1_sdio0_22_27>;
  74 +                       pinctrl-names = "default";
  75 +               };
  76 +       };
  77 +
  78 +       fragment@1 {
  79 +               target = <&rp1_sdio_clk0>;
  80 +               frag1: __overlay__ {
  81 +                       status = "okay";
  82 +               };
  83 +       };
  84 +};
  85 --- a/arch/arm/boot/dts/rp1.dtsi
  86 +++ b/arch/arm/boot/dts/rp1.dtsi
  87 @@ -962,7 +962,7 @@
  88
  89                 rp1_mmc0: mmc@180000 {
  90                         reg = <0xc0 0x40180000  0x0 0x100>;
  91 -                       compatible = "snps,dwcmshc-sdhci";
  92 +                       compatible = "raspberrypi,rp1-dwcmshc";
  93                         interrupts = <RP1_INT_SDIO0 IRQ_TYPE_LEVEL_HIGH>;
  94                         clocks = <&rp1_clocks RP1_CLK_SYS &sdhci_core
  95                                   &rp1_clocks RP1_CLK_SDIO_TIMER
  96 @@ -978,7 +978,7 @@
  97
  98                 rp1_mmc1: mmc@184000 {
  99                         reg = <0xc0 0x40184000  0x0 0x100>;
 100 -                       compatible = "snps,dwcmshc-sdhci";
 101 +                       compatible = "raspberrypi,rp1-dwcmshc";
 102                         interrupts = <RP1_INT_SDIO1 IRQ_TYPE_LEVEL_HIGH>;
 103                         clocks = <&rp1_clocks RP1_CLK_SYS &sdhci_core
 104                                   &rp1_clocks RP1_CLK_SDIO_TIMER