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105 lines
2.9 KiB
Diff
105 lines
2.9 KiB
Diff
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From 51cdff455e3c3df29764f71bc0c9dd0e099945d6 Mon Sep 17 00:00:00 2001
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From: Jonathan Bell <jonathan@raspberrypi.com>
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Date: Wed, 8 Nov 2023 16:14:25 +0000
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Subject: [PATCH] arm: dts: change RP1 SDHCI controller compatible string
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Also add a sdio-pi5 overlay which enables mmc0 on GPIOs 22-27, as was
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possible with earlier models of Pi.
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Signed-off-by: Jonathan Bell <jonathan@raspberrypi.com>
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---
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arch/arm/boot/dts/overlays/Makefile | 1 +
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arch/arm/boot/dts/overlays/README | 7 ++++++
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arch/arm/boot/dts/overlays/overlay_map.dts | 4 ++++
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.../boot/dts/overlays/sdio-pi5-overlay.dts | 24 +++++++++++++++++++
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arch/arm/boot/dts/rp1.dtsi | 4 ++--
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5 files changed, 38 insertions(+), 2 deletions(-)
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create mode 100644 arch/arm/boot/dts/overlays/sdio-pi5-overlay.dts
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--- a/arch/arm/boot/dts/overlays/Makefile
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+++ b/arch/arm/boot/dts/overlays/Makefile
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@@ -225,6 +225,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
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sc16is752-spi1.dtbo \
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sdhost.dtbo \
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sdio.dtbo \
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+ sdio-pi5.dtbo \
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seeed-can-fd-hat-v1.dtbo \
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seeed-can-fd-hat-v2.dtbo \
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sh1106-spi.dtbo \
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--- a/arch/arm/boot/dts/overlays/README
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+++ b/arch/arm/boot/dts/overlays/README
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@@ -3932,6 +3932,13 @@ Info: This overlay is now deprecated.
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Load: <Deprecated>
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+Name: sdio-pi5
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+Info: Selects the rp1_mmc0 interface and enables it on GPIOs 22-27.
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+ Pi 5 only.
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+Load: dtoverlay=sdio-pi5
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+Params: <None>
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+
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+
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Name: sdtweak
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Info: This overlay is now deprecated. Use the sd_* dtparams in the
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base DTB, e.g. "dtoverlay=sdtweak,poll_once" becomes
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--- a/arch/arm/boot/dts/overlays/overlay_map.dts
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+++ b/arch/arm/boot/dts/overlays/overlay_map.dts
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@@ -250,6 +250,10 @@
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deprecated = "use sdio,bus_width=1,gpios_22_25";
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};
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+ sdio-pi5 {
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+ bcm2712;
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+ };
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+
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sdtweak {
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deprecated = "use 'dtparam=sd_poll_once' etc.";
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};
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--- /dev/null
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+++ b/arch/arm/boot/dts/overlays/sdio-pi5-overlay.dts
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@@ -0,0 +1,24 @@
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+/dts-v1/;
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+/plugin/;
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+
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+/* SDIO/SD/MMC on RP1 bank 0 */
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+
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+/{
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+ compatible = "brcm,bcm2712";
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+
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+ fragment@0 {
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+ target = <&rp1_mmc0>;
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+ frag0: __overlay__ {
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+ status = "okay";
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+ pinctrl-0 = <&rp1_sdio0_22_27>;
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+ pinctrl-names = "default";
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+ };
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+ };
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+
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+ fragment@1 {
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+ target = <&rp1_sdio_clk0>;
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+ frag1: __overlay__ {
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+ status = "okay";
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+ };
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+ };
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+};
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--- a/arch/arm/boot/dts/rp1.dtsi
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+++ b/arch/arm/boot/dts/rp1.dtsi
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@@ -962,7 +962,7 @@
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rp1_mmc0: mmc@180000 {
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reg = <0xc0 0x40180000 0x0 0x100>;
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- compatible = "snps,dwcmshc-sdhci";
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+ compatible = "raspberrypi,rp1-dwcmshc";
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interrupts = <RP1_INT_SDIO0 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&rp1_clocks RP1_CLK_SYS &sdhci_core
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&rp1_clocks RP1_CLK_SDIO_TIMER
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@@ -978,7 +978,7 @@
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rp1_mmc1: mmc@184000 {
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reg = <0xc0 0x40184000 0x0 0x100>;
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- compatible = "snps,dwcmshc-sdhci";
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+ compatible = "raspberrypi,rp1-dwcmshc";
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interrupts = <RP1_INT_SDIO1 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&rp1_clocks RP1_CLK_SYS &sdhci_core
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&rp1_clocks RP1_CLK_SDIO_TIMER
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