[PATCH 01/12] mmc: dt-bindings: update Mediatek MMC bindings
From: Chaotian Jing <chaotian.jing@mediatek.com>
Date: 2017-09-12 09:08:08
Also in:
linux-arm-kernel, linux-mediatek, linux-mmc, lkml
Subsystem:
multimedia card (mmc), secure digital (sd) and sdio subsystem, open firmware and flattened device tree bindings, the rest · Maintainers:
Ulf Hansson, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Change the comptiable for support of multi-platform Add description for reg Add description for source_cg Add description for mediatek,latch-ck Signed-off-by: Chaotian Jing <chaotian.jing@mediatek.com> --- Documentation/devicetree/bindings/mmc/mtk-sd.txt | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-)
diff --git a/Documentation/devicetree/bindings/mmc/mtk-sd.txt b/Documentation/devicetree/bindings/mmc/mtk-sd.txt
index 4182ea3..405cd06 100644
--- a/Documentation/devicetree/bindings/mmc/mtk-sd.txt
+++ b/Documentation/devicetree/bindings/mmc/mtk-sd.txt@@ -7,10 +7,15 @@ This file documents differences between the core properties in mmc.txt and the properties used by the msdc driver. Required properties: -- compatible: Should be "mediatek,mt8173-mmc","mediatek,mt8135-mmc" +- compatible: value should be either of the following. + "mediatek,mt8135-mmc": for mmc host ip compatible with mt8135 + "mediatek,mt8173-mmc": for mmc host ip compatible with mt8173 + "mediatek,mt2701-mmc": for mmc host ip compatible with mt2701 + "mediatek,mt2712-mmc": for mmc host ip compatible with mt2712 +- reg: physical base address of the controller and length - interrupts: Should contain MSDC interrupt number -- clocks: MSDC source clock, HCLK -- clock-names: "source", "hclk" +- clocks: MSDC source clock, HCLK, source_cg +- clock-names: "source", "hclk", "source_cg" - pinctrl-names: should be "default", "state_uhs" - pinctrl-0: should contain default/high speed pin ctrl - pinctrl-1: should contain uhs mode pin ctrl
@@ -30,6 +35,8 @@ Optional properties: - mediatek,hs400-cmd-resp-sel-rising: HS400 command response sample selection If present,HS400 command responses are sampled on rising edges. If not present,HS400 command responses are sampled on falling edges. +- mediatek,latch-ck: Some projects do not support enhance_rx, need set correct latch-ck to avoid data crc + error caused by stop clock(fifo full) Examples: mmc0: mmc@11230000 {
--
1.8.1.1.dirty