[PATCH 01/10] Documentation: DT: qcom_hidma: update binding for MSI
From: mark.rutland@arm.com (Mark Rutland)
Date: 2016-07-19 10:38:05
Also in:
linux-arm-msm, linux-devicetree, lkml
On Mon, Jul 18, 2016 at 02:39:28PM -0400, Sinan Kaya wrote:
quoted hunk ↗ jump to hunk
Adding a new binding for qcom,hidma-1.1 to distinguish HW supporting MSI interrupts from the older revision. Signed-off-by: Sinan Kaya <redacted> --- Documentation/devicetree/bindings/dma/qcom_hidma_mgmt.txt | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)diff --git a/Documentation/devicetree/bindings/dma/qcom_hidma_mgmt.txt b/Documentation/devicetree/bindings/dma/qcom_hidma_mgmt.txt index fd5618b..45ce75b 100644 --- a/Documentation/devicetree/bindings/dma/qcom_hidma_mgmt.txt +++ b/Documentation/devicetree/bindings/dma/qcom_hidma_mgmt.txt@@ -47,7 +47,8 @@ When the OS is not in control of the management interface (i.e. it's a guest), the channel nodes appear on their own, not under a management node. Required properties: -- compatible: must contain "qcom,hidma-1.0" +- compatible: must contain "qcom,hidma-1.0" for initial HW or "qcom,hidma-1.1" +for MSI capable HW.
Don't we need properties to describe the MSI details (e.g. sideband data like DeviceID)? Thanks, Mark.
- reg: Addresses for the transfer and event channel - interrupts: Should contain the event interrupt - desc-count: Number of asynchronous requests this channel can handle -- 1.8.2.1