From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 13 May 2024 10:30:14 +0000
Subject: [PATCH] modify sin led gpio
---
kernel/Documentation/devicetree/bindings/mmc/mmci.txt | 13 +++++++++++++
1 files changed, 13 insertions(+), 0 deletions(-)
diff --git a/kernel/Documentation/devicetree/bindings/mmc/mmci.txt b/kernel/Documentation/devicetree/bindings/mmc/mmci.txt
index 03796cf..4ec921e 100644
--- a/kernel/Documentation/devicetree/bindings/mmc/mmci.txt
+++ b/kernel/Documentation/devicetree/bindings/mmc/mmci.txt
@@ -15,8 +15,11 @@
Optional properties:
- arm,primecell-periphid : contains the PrimeCell Peripheral ID, it overrides
the ID provided by the HW
+- resets : phandle to internal reset line.
+ Should be defined for sdmmc variant.
- vqmmc-supply : phandle to the regulator device tree node, mentioned
as the VCCQ/VDD_IO supply in the eMMC/SD specs.
+specific for ux500 variant:
- st,sig-dir-dat0 : bus signal direction pin used for DAT[0].
- st,sig-dir-dat2 : bus signal direction pin used for DAT[2].
- st,sig-dir-dat31 : bus signal direction pin used for DAT[3] and DAT[1].
@@ -24,6 +27,16 @@
- st,sig-dir-cmd : cmd signal direction pin used for CMD.
- st,sig-pin-fbclk : feedback clock signal pin used.
+specific for sdmmc variant:
+- reg : a second base register may be defined if a delay
+ block is present and used for tuning.
+- st,sig-dir : signal direction polarity used for cmd, dat0 dat123.
+- st,neg-edge : data & command phase relation, generated on
+ sd clock falling edge.
+- st,use-ckin : use ckin pin from an external driver to sample
+ the receive data (example: with voltage
+ switch transceiver).
+
Deprecated properties:
- mmc-cap-mmc-highspeed : indicates whether MMC is high speed capable.
- mmc-cap-sd-highspeed : indicates whether SD is high speed capable.
--
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