From: Anson Huang <anson.huang@nxp.com>
To: "robh+dt@kernel.org" <robh+dt@kernel.org>,
"mark.rutland@arm.com" <mark.rutland@arm.com>,
"shawnguo@kernel.org" <shawnguo@kernel.org>,
"s.hauer@pengutronix.de" <s.hauer@pengutronix.de>,
"kernel@pengutronix.de" <kernel@pengutronix.de>,
"festevam@gmail.com" <festevam@gmail.com>,
"a.zummo@towertech.it" <a.zummo@towertech.it>,
"alexandre.belloni@bootlin.com" <alexandre.belloni@bootlin.com>,
Aisheng Dong <aisheng.dong@nxp.com>,
"ulf.hansson@linaro.org" <ulf.hansson@linaro.org>,
Daniel Baluta <daniel.baluta@nxp.com>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-rtc@vger.kernel.org" <linux-rtc@vger.kernel.org>
Cc: dl-linux-imx <linux-imx@nxp.com>
Subject: [PATCH V4 1/4] dt-bindings: fsl: scu: add general interrupt support
Date: Thu, 21 Feb 2019 09:19:22 +0000 [thread overview]
Message-ID: <1550740354-2701-1-git-send-email-Anson.Huang@nxp.com> (raw)
Add scu general interrupt function support.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Rob Herring <robh@kernel.org>
---
Changes since V3:
- make general MU interrupt channel as optional;
- rename "gi3" to "gip3" according to driver/dts change.
---
.../devicetree/bindings/arm/freescale/fsl,scu.txt | 18 ++++++++++++------
1 file changed, 12 insertions(+), 6 deletions(-)
diff --git a/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt b/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt
index 72d481c..4a9b9ab 100644
--- a/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt
+++ b/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt
@@ -22,9 +22,11 @@ Required properties:
-------------------
- compatible: should be "fsl,imx-scu".
- mbox-names: should include "tx0", "tx1", "tx2", "tx3",
- "rx0", "rx1", "rx2", "rx3".
-- mboxes: List of phandle of 4 MU channels for tx and 4 MU channels
- for rx. All 8 MU channels must be in the same MU instance.
+ "rx0", "rx1", "rx2", "rx3";
+ include "gip3" if want to support general MU interrupt.
+- mboxes: List of phandle of 4 MU channels for tx, 4 MU channels for
+ rx, and 1 optional MU channel for general interrupt.
+ All MU channels must be in the same MU instance.
Cross instances are not allowed. The MU instance can only
be one of LSIO MU0~M4 for imx8qxp and imx8qm. Users need
to make sure use the one which is not conflict with other
@@ -34,6 +36,7 @@ Required properties:
Channel 1 must be "tx1" or "rx1".
Channel 2 must be "tx2" or "rx2".
Channel 3 must be "tx3" or "rx3".
+ General interrupt rx channel must be "gip3".
e.g.
mboxes = <&lsio_mu1 0 0
&lsio_mu1 0 1
@@ -42,7 +45,8 @@ Required properties:
&lsio_mu1 1 0
&lsio_mu1 1 1
&lsio_mu1 1 2
- &lsio_mu1 1 3>;
+ &lsio_mu1 1 3
+ &lsio_mu1 3 3>;
See Documentation/devicetree/bindings/mailbox/fsl,mu.txt
for detailed mailbox binding.
@@ -133,7 +137,8 @@ firmware {
scu {
compatible = "fsl,imx-scu";
mbox-names = "tx0", "tx1", "tx2", "tx3",
- "rx0", "rx1", "rx2", "rx3";
+ "rx0", "rx1", "rx2", "rx3",
+ "gip3";
mboxes = <&lsio_mu1 0 0
&lsio_mu1 0 1
&lsio_mu1 0 2
@@ -141,7 +146,8 @@ firmware {
&lsio_mu1 1 0
&lsio_mu1 1 1
&lsio_mu1 1 2
- &lsio_mu1 1 3>;
+ &lsio_mu1 1 3
+ &lsio_mu1 3 3>;
clk: clk {
compatible = "fsl,imx8qxp-clk", "fsl,scu-clk";
--
2.7.4
next reply other threads:[~2019-02-21 9:20 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-21 9:19 Anson Huang [this message]
2019-02-21 9:19 ` [PATCH V4 2/4] firmware: imx: enable imx scu general irq function Anson Huang
2019-03-15 11:05 ` Aisheng Dong
2019-03-18 2:58 ` Anson Huang
2019-02-21 9:19 ` [PATCH V4 3/4] arm64: dts: freescale: imx8qxp: enable scu general irq channel Anson Huang
2019-03-15 11:06 ` Aisheng Dong
2019-02-21 9:19 ` [PATCH V4 4/4] rtc: imx-sc: add rtc alarm support Anson Huang
2019-03-15 7:00 ` [PATCH V4 1/4] dt-bindings: fsl: scu: add general interrupt support Anson Huang
2019-03-15 10:34 ` Aisheng Dong
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