From 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 12:05:51 +0200 Subject: Adding upstream version 5.10.209. Signed-off-by: Daniel Baumann --- .../devicetree/bindings/mmc/brcm,sdhci-iproc.txt | 37 ++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 Documentation/devicetree/bindings/mmc/brcm,sdhci-iproc.txt (limited to 'Documentation/devicetree/bindings/mmc/brcm,sdhci-iproc.txt') diff --git a/Documentation/devicetree/bindings/mmc/brcm,sdhci-iproc.txt b/Documentation/devicetree/bindings/mmc/brcm,sdhci-iproc.txt new file mode 100644 index 000000000..09d87cc11 --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/brcm,sdhci-iproc.txt @@ -0,0 +1,37 @@ +Broadcom IPROC SDHCI controller + +This file documents differences between the core properties described +by mmc.txt and the properties that represent the IPROC SDHCI controller. + +Required properties: +- compatible : Should be one of the following + "brcm,bcm2835-sdhci" + "brcm,bcm2711-emmc2" + "brcm,sdhci-iproc-cygnus" + "brcm,sdhci-iproc" + +Use brcm2835-sdhci for the eMMC controller on the BCM2835 (Raspberry Pi) and +bcm2711-emmc2 for the additional eMMC2 controller on BCM2711. + +Use sdhci-iproc-cygnus for Broadcom SDHCI Controllers +restricted to 32bit host accesses to SDHCI registers. + +Use sdhci-iproc for Broadcom SDHCI Controllers that allow standard +8, 16, 32-bit host access to SDHCI register. + +- clocks : The clock feeding the SDHCI controller. + +Optional properties: + - sdhci,auto-cmd12: specifies that controller should use auto CMD12. + +Example: + +sdhci0: sdhci@18041000 { + compatible = "brcm,sdhci-iproc-cygnus"; + reg = <0x18041000 0x100>; + interrupts = ; + clocks = <&lcpll0_clks BCM_CYGNUS_LCPLL0_SDIO_CLK>; + bus-width = <4>; + sdhci,auto-cmd12; + no-1-8-v; +}; -- cgit v1.2.3