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From: Doug Berger <opendmb@gmail.com>
To: Alessandro Zummo <a.zummo@towertech.it>,
	Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: Brian Norris <computersforpeace@gmail.com>,
	Markus Mayer <mmayer@broadcom.com>,
	Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Florian Fainelli <f.fainelli@gmail.com>,
	Broadcom internal kernel review list 
	<bcm-kernel-feedback-list@broadcom.com>,
	linux-rtc@vger.kernel.org, devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, Doug Berger <opendmb@gmail.com>
Subject: [PATCH 5/6] dt-bindings: rtc: brcm,brcmstb-waketimer: add alarm interrupt
Date: Fri, 20 Jan 2023 11:01:46 -0800	[thread overview]
Message-ID: <20230120190147.718976-6-opendmb@gmail.com> (raw)
In-Reply-To: <20230120190147.718976-1-opendmb@gmail.com>

A second interrupt can optionally be specified for this device
to be used for generating RTC alarm interrupts.

Signed-off-by: Doug Berger <opendmb@gmail.com>
---
 .../bindings/rtc/brcm,brcmstb-waketimer.yaml  | 22 ++++++++++++++++---
 1 file changed, 19 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/rtc/brcm,brcmstb-waketimer.yaml b/Documentation/devicetree/bindings/rtc/brcm,brcmstb-waketimer.yaml
index 9fe079917a98..a9199f299a68 100644
--- a/Documentation/devicetree/bindings/rtc/brcm,brcmstb-waketimer.yaml
+++ b/Documentation/devicetree/bindings/rtc/brcm,brcmstb-waketimer.yaml
@@ -11,7 +11,8 @@ maintainers:
 
 description:
   The Broadcom STB wake-up timer provides a 27Mhz resolution timer, with the
-  ability to wake up the system from low-power suspend/standby modes.
+  ability to wake up the system from low-power suspend/standby modes and
+  optionally generate RTC alarm interrupts.
 
 allOf:
   - $ref: "rtc.yaml#"
@@ -24,8 +25,14 @@ properties:
     maxItems: 1
 
   interrupts:
-    description: the TIMER interrupt
-    maxItems: 1
+    minItems: 1
+    items:
+      - description: the TIMER interrupt
+      - description: the ALARM interrupt
+    description:
+      The TIMER interrupt wakes the system from low-power suspend/standby modes.
+      An ALARM interrupt may be specified to interrupt the CPU when an RTC alarm
+      is enabled.
 
   clocks:
     description: clock reference in the 27MHz domain
@@ -42,3 +49,12 @@ examples:
         interrupt-parent = <&aon_pm_l2_intc>;
         clocks = <&upg_fixed>;
     };
+
+  - |
+    rtc@f041a080 {
+        compatible = "brcm,brcmstb-waketimer";
+        reg = <0xf041a080 0x14>;
+        interrupts-extended = <&aon_pm_l2_intc 0x04>,
+                              <&upg_aux_aon_intr2_intc 0x08>;
+        clocks = <&upg_fixed>;
+    };
-- 
2.25.1


WARNING: multiple messages have this Message-ID (diff)
From: Doug Berger <opendmb@gmail.com>
To: Alessandro Zummo <a.zummo@towertech.it>,
	Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: Brian Norris <computersforpeace@gmail.com>,
	Markus Mayer <mmayer@broadcom.com>,
	Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Florian Fainelli <f.fainelli@gmail.com>,
	Broadcom internal kernel review list
	<bcm-kernel-feedback-list@broadcom.com>,
	linux-rtc@vger.kernel.org, devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, Doug Berger <opendmb@gmail.com>
Subject: [PATCH 5/6] dt-bindings: rtc: brcm,brcmstb-waketimer: add alarm interrupt
Date: Fri, 20 Jan 2023 11:01:46 -0800	[thread overview]
Message-ID: <20230120190147.718976-6-opendmb@gmail.com> (raw)
In-Reply-To: <20230120190147.718976-1-opendmb@gmail.com>

A second interrupt can optionally be specified for this device
to be used for generating RTC alarm interrupts.

Signed-off-by: Doug Berger <opendmb@gmail.com>
---
 .../bindings/rtc/brcm,brcmstb-waketimer.yaml  | 22 ++++++++++++++++---
 1 file changed, 19 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/rtc/brcm,brcmstb-waketimer.yaml b/Documentation/devicetree/bindings/rtc/brcm,brcmstb-waketimer.yaml
index 9fe079917a98..a9199f299a68 100644
--- a/Documentation/devicetree/bindings/rtc/brcm,brcmstb-waketimer.yaml
+++ b/Documentation/devicetree/bindings/rtc/brcm,brcmstb-waketimer.yaml
@@ -11,7 +11,8 @@ maintainers:
 
 description:
   The Broadcom STB wake-up timer provides a 27Mhz resolution timer, with the
-  ability to wake up the system from low-power suspend/standby modes.
+  ability to wake up the system from low-power suspend/standby modes and
+  optionally generate RTC alarm interrupts.
 
 allOf:
   - $ref: "rtc.yaml#"
@@ -24,8 +25,14 @@ properties:
     maxItems: 1
 
   interrupts:
-    description: the TIMER interrupt
-    maxItems: 1
+    minItems: 1
+    items:
+      - description: the TIMER interrupt
+      - description: the ALARM interrupt
+    description:
+      The TIMER interrupt wakes the system from low-power suspend/standby modes.
+      An ALARM interrupt may be specified to interrupt the CPU when an RTC alarm
+      is enabled.
 
   clocks:
     description: clock reference in the 27MHz domain
@@ -42,3 +49,12 @@ examples:
         interrupt-parent = <&aon_pm_l2_intc>;
         clocks = <&upg_fixed>;
     };
+
+  - |
+    rtc@f041a080 {
+        compatible = "brcm,brcmstb-waketimer";
+        reg = <0xf041a080 0x14>;
+        interrupts-extended = <&aon_pm_l2_intc 0x04>,
+                              <&upg_aux_aon_intr2_intc 0x08>;
+        clocks = <&upg_fixed>;
+    };
-- 
2.25.1


_______________________________________________
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linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  parent reply	other threads:[~2023-01-20 19:02 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-20 19:01 [PATCH 0/6] rtc: brcmstb-waketimer: add RTC alarm irq Doug Berger
2023-01-20 19:01 ` Doug Berger
2023-01-20 19:01 ` [PATCH 1/6] rtc: brcmstb-waketimer: introduce WKTMR_ALARM_EVENT flag Doug Berger
2023-01-20 19:01   ` Doug Berger
2023-01-23 19:20   ` Florian Fainelli
2023-01-23 19:20     ` Florian Fainelli
2023-01-20 19:01 ` [PATCH 2/6] rtc: brcmstb-waketimer: non-functional code changes Doug Berger
2023-01-20 19:01   ` Doug Berger
2023-01-23 19:20   ` Florian Fainelli
2023-01-23 19:20     ` Florian Fainelli
2023-01-20 19:01 ` [PATCH 3/6] rtc: brcmstb-waketimer: compensate for lack of wktmr disable Doug Berger
2023-01-20 19:01   ` Doug Berger
2023-01-23 19:21   ` Florian Fainelli
2023-01-23 19:21     ` Florian Fainelli
2023-01-20 19:01 ` [PATCH 4/6] rtc: brcmstb-waketimer: rename irq to wake_irq Doug Berger
2023-01-20 19:01   ` Doug Berger
2023-01-23 19:21   ` Florian Fainelli
2023-01-23 19:21     ` Florian Fainelli
2023-01-20 19:01 ` Doug Berger [this message]
2023-01-20 19:01   ` [PATCH 5/6] dt-bindings: rtc: brcm,brcmstb-waketimer: add alarm interrupt Doug Berger
2023-01-21 19:00   ` Krzysztof Kozlowski
2023-01-21 19:00     ` Krzysztof Kozlowski
2023-01-20 19:01 ` [PATCH 6/6] rtc: brcmstb-waketimer: allow use as non-wake alarm Doug Berger
2023-01-20 19:01   ` Doug Berger
2023-01-23 19:22   ` Florian Fainelli
2023-01-23 19:22     ` Florian Fainelli
2023-01-23 23:08 ` (subset) [PATCH 0/6] rtc: brcmstb-waketimer: add RTC alarm irq Alexandre Belloni
2023-01-23 23:08   ` Alexandre Belloni
2023-01-24 17:42   ` Florian Fainelli
2023-01-24 17:42     ` Florian Fainelli
2023-01-24 18:45     ` Alexandre Belloni
2023-01-24 18:45       ` Alexandre Belloni

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