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[RFC,08/18] dt-bindings: sdhci-iproc: Add brcm,bcm2838-emmc2

Message ID 1563393026-17118-9-git-send-email-wahrenst@gmx.net (mailing list archive)
State New, archived
Headers show
Series ARM: Add minimal Raspberry Pi 4 support | expand

Commit Message

Stefan Wahren July 17, 2019, 7:50 p.m. UTC 
Add a new compatible for the additional emmc2 controller
on BCM2838 and clearify usage.

Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
---
 Documentation/devicetree/bindings/mmc/brcm,sdhci-iproc.txt | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--
2.7.4
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Patch

diff --git a/Documentation/devicetree/bindings/mmc/brcm,sdhci-iproc.txt b/Documentation/devicetree/bindings/mmc/brcm,sdhci-iproc.txt
index fa90d25..18bf610 100644
--- a/Documentation/devicetree/bindings/mmc/brcm,sdhci-iproc.txt
+++ b/Documentation/devicetree/bindings/mmc/brcm,sdhci-iproc.txt
@@ -6,10 +6,12 @@  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,bcm2838-emmc2"
 	       "brcm,sdhci-iproc-cygnus"
 	       "brcm,sdhci-iproc"

-Use brcm2835-sdhci for Rasperry PI.
+Use brcm2835-sdhci for the eMMC controller on the BCM2835 (Raspberry Pi) and
+bcm2838-emmc2 for the additional eMMC2 controller on BCM2838.

 Use sdhci-iproc-cygnus for Broadcom SDHCI Controllers
 restricted to 32bit host accesses to SDHCI registers.