[PATCH 1/2] mmc: dt-bindings: add "bus-clk" for MT2712
From: chaotian.jing@mediatek.com (Chaotian Jing)
Date: 2018-09-28 11:41:28
Also in:
linux-devicetree, 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
On MT2712 MSDC0/3, HCLK/bus-clk need gate/ungate together, or will hang when access MSDC register. Signed-off-by: Chaotian Jing <chaotian.jing@mediatek.com> --- Documentation/devicetree/bindings/mmc/mtk-sd.txt | 1 + 1 file changed, 1 insertion(+)
diff --git a/Documentation/devicetree/bindings/mmc/mtk-sd.txt b/Documentation/devicetree/bindings/mmc/mtk-sd.txt
index f33467a..182299b 100644
--- a/Documentation/devicetree/bindings/mmc/mtk-sd.txt
+++ b/Documentation/devicetree/bindings/mmc/mtk-sd.txt@@ -22,6 +22,7 @@ Required properties: "source" - source clock (required) "hclk" - HCLK which used for host (required) "source_cg" - independent source clock gate (required for MT2712) + "bus_clk" - bus clk used for internal register access(required for MT2712 MSDC0/3) - pinctrl-names: should be "default", "state_uhs" - pinctrl-0: should contain default/high speed pin ctrl - pinctrl-1: should contain uhs mode pin ctrl
--
1.8.1.1.dirty