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From: Maxime Ripard <maxime@cerno.tech>
To: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Cc: linux-rpi-kernel@lists.infradead.org,
	bcm-kernel-feedback-list@broadcom.com,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org,
	Dave Stevenson <dave.stevenson@raspberrypi.com>,
	Tim Gover <tim.gover@raspberrypi.com>,
	Phil Elwell <phil@raspberrypi.com>,
	Mike Turquette <mturquette@baylibre.com>,
	Stephen Boyd <sboyd@kernel.org>,
	linux-clk@vger.kernel.org, Philipp Zabel <p.zabel@pengutronix.de>,
	Maxime Ripard <maxime@cerno.tech>,
	devicetree@vger.kernel.org, Rob Herring <robh+dt@kernel.org>
Subject: [PATCH v5 02/27] dt-bindings: clock: Add a binding for the RPi Firmware clocks
Date: Mon, 15 Jun 2020 10:40:42 +0200
Message-ID: <f6105207e7ef5a5ea8d7a1774faf989d341a25f5.1592210452.git-series.maxime@cerno.tech> (raw)
In-Reply-To: <cover.98f979c2af2337c57217016d21d7c68e1ac2ce8a.1592210452.git-series.maxime@cerno.tech>

The firmware running on the RPi VideoCore can be used to discover and
change the various clocks running in the BCM2711. Since devices will
need to use them through the DT, let's add a pretty simple binding.

Cc: Michael Turquette <mturquette@baylibre.com>
Cc: linux-clk@vger.kernel.org
Cc: devicetree@vger.kernel.org
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Reviewed-by: Rob Herring <robh+dt@kernel.org>
Tested-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
---
 Documentation/devicetree/bindings/arm/bcm/raspberrypi,bcm2835-firmware.yaml | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/Documentation/devicetree/bindings/arm/bcm/raspberrypi,bcm2835-firmware.yaml b/Documentation/devicetree/bindings/arm/bcm/raspberrypi,bcm2835-firmware.yaml
index cec540c052b6..b48ed875eb8e 100644
--- a/Documentation/devicetree/bindings/arm/bcm/raspberrypi,bcm2835-firmware.yaml
+++ b/Documentation/devicetree/bindings/arm/bcm/raspberrypi,bcm2835-firmware.yaml
@@ -22,6 +22,25 @@ properties:
       Phandle to the firmware device's Mailbox.
       (See: ../mailbox/mailbox.txt for more information)
 
+  clocks:
+    type: object
+
+    properties:
+      compatible:
+        const: raspberrypi,firmware-clocks
+
+      "#clock-cells":
+        const: 1
+        description: >
+          The argument is the ID of the clocks contained by the
+          firmware messages.
+
+    required:
+      - compatible
+      - "#clock-cells"
+
+    additionalProperties: false
+
 required:
   - compatible
   - mboxes
@@ -31,5 +50,10 @@ examples:
     firmware {
         compatible = "raspberrypi,bcm2835-firmware", "simple-bus";
         mboxes = <&mailbox>;
+
+        firmware_clocks: clocks {
+            compatible = "raspberrypi,firmware-clocks";
+            #clock-cells = <1>;
+        };
     };
 ...
-- 
git-series 0.9.1

  parent reply index

Thread overview: 64+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-15  8:40 [PATCH v5 00/27] clk: bcm: rpi: Add support for BCM2711 firmware clocks Maxime Ripard
2020-06-15  8:40 ` [PATCH v5 01/27] dt-bindings: arm: bcm: Convert BCM2835 firmware binding to YAML Maxime Ripard
2020-06-25  0:42   ` Stephen Boyd
2020-06-15  8:40 ` Maxime Ripard [this message]
2020-06-25  0:42   ` [PATCH v5 02/27] dt-bindings: clock: Add a binding for the RPi Firmware clocks Stephen Boyd
2020-06-15  8:40 ` [PATCH v5 03/27] firmware: rpi: Only create clocks device if we don't have a node for it Maxime Ripard
2020-06-25  0:42   ` Stephen Boyd
2020-06-15  8:40 ` [PATCH v5 04/27] clk: bcm: rpi: Allow the driver to be probed by DT Maxime Ripard
2020-06-25  0:42   ` Stephen Boyd
2020-06-15  8:40 ` [PATCH v5 05/27] clk: bcm: rpi: Statically init clk_init_data Maxime Ripard
2020-06-25  0:42   ` Stephen Boyd
2020-06-15  8:40 ` [PATCH v5 06/27] clk: bcm: rpi: Use clk_hw_register for pllb_arm Maxime Ripard
2020-06-25  0:42   ` Stephen Boyd
2020-06-15  8:40 ` [PATCH v5 07/27] clk: bcm: rpi: Remove global pllb_arm clock pointer Maxime Ripard
2020-06-25  0:42   ` Stephen Boyd
2020-06-15  8:40 ` [PATCH v5 08/27] clk: bcm: rpi: Make sure pllb_arm is removed Maxime Ripard
2020-06-25  0:42   ` Stephen Boyd
2020-06-15  8:40 ` [PATCH v5 09/27] clk: bcm: rpi: Remove pllb_arm_lookup global pointer Maxime Ripard
2020-06-25  0:42   ` Stephen Boyd
2020-06-25  0:44   ` Stephen Boyd
2020-06-15  8:40 ` [PATCH v5 10/27] clk: bcm: rpi: Switch to clk_hw_register_clkdev Maxime Ripard
2020-06-25  0:44   ` Stephen Boyd
2020-06-15  8:40 ` [PATCH v5 11/27] clk: bcm: rpi: Make sure the clkdev lookup is removed Maxime Ripard
2020-06-25  0:44   ` Stephen Boyd
2020-06-15  8:40 ` [PATCH v5 12/27] clk: bcm: rpi: Use CCF boundaries instead of rolling our own Maxime Ripard
2020-06-25  0:44   ` Stephen Boyd
2020-06-15  8:40 ` [PATCH v5 13/27] clk: bcm: rpi: Create a data structure for the clocks Maxime Ripard
2020-06-25  0:44   ` Stephen Boyd
2020-06-15  8:40 ` [PATCH v5 14/27] clk: bcm: rpi: Add clock id to data Maxime Ripard
2020-06-25  0:45   ` Stephen Boyd
2020-06-15  8:40 ` [PATCH v5 15/27] clk: bcm: rpi: Pass the clocks data to the firmware function Maxime Ripard
2020-06-25  0:45   ` Stephen Boyd
2020-06-15  8:40 ` [PATCH v5 16/27] clk: bcm: rpi: Rename is_prepared function Maxime Ripard
2020-06-25  0:45   ` Stephen Boyd
2020-06-15  8:40 ` [PATCH v5 17/27] clk: bcm: rpi: Split pllb clock hooks Maxime Ripard
2020-06-25  0:45   ` Stephen Boyd
2020-06-15  8:40 ` [PATCH v5 18/27] clk: bcm: rpi: Make the PLLB registration function return a clk_hw Maxime Ripard
2020-06-25  0:45   ` Stephen Boyd
2020-06-15  8:40 ` [PATCH v5 19/27] clk: bcm: rpi: Add DT provider for the clocks Maxime Ripard
2020-06-25  0:45   ` Stephen Boyd
2020-06-15  8:41 ` [PATCH v5 20/27] clk: bcm: rpi: Add an enum for the firmware clocks Maxime Ripard
2020-06-25  0:45   ` Stephen Boyd
2020-06-15  8:41 ` [PATCH v5 21/27] clk: bcm: rpi: Discover " Maxime Ripard
2020-06-25  0:45   ` Stephen Boyd
2020-06-15  8:41 ` [PATCH v5 22/27] clk: bcm: rpi: Give firmware clocks a name Maxime Ripard
2020-06-25  0:45   ` Stephen Boyd
2020-06-15  8:41 ` [PATCH v5 23/27] Revert "clk: bcm2835: remove pllb" Maxime Ripard
2020-06-25  0:45   ` Stephen Boyd
2020-06-15  8:41 ` [PATCH v5 24/27] ARM: dts: bcm2711: Add firmware clocks node Maxime Ripard
2020-06-25  8:16   ` Nicolas Saenz Julienne
2020-06-15  8:41 ` [PATCH v5 25/27] clk: bcm2835: Allow custom CCF flags for the PLLs Maxime Ripard
2020-06-25  0:46   ` Stephen Boyd
2020-06-15  8:41 ` [PATCH v5 26/27] clk: bcm2835: Don't cache the PLLB rate Maxime Ripard
2020-06-25  0:46   ` Stephen Boyd
2020-06-15  8:41 ` [PATCH v5 27/27] clk: bcm: rpi: Remove the quirks for the CPU clock Maxime Ripard
2020-06-25  0:46   ` Stephen Boyd
2020-06-19  9:37 ` [PATCH v5 00/27] clk: bcm: rpi: Add support for BCM2711 firmware clocks Stephen Boyd
2020-06-19  9:44   ` Nicolas Saenz Julienne
2020-06-19 23:57     ` Stephen Boyd
2020-06-20  0:20       ` Stephen Boyd
2020-06-25  0:40         ` Stephen Boyd
2020-06-19 11:52   ` Maxime Ripard
2020-06-19 23:57     ` Stephen Boyd
2020-06-25  1:15 ` Stephen Boyd

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