Thread (23 messages) 23 messages, 5 authors, 2024-03-19

Re: [PATCH v4 4/6] dt-bindindgs: clock: nxp: support i.MX95 LVDS CSR module

From: Rob Herring <robh@kernel.org>
Date: 2024-03-15 17:27:55
Also in: imx, linux-clk, linux-devicetree, lkml

On Thu, Mar 14, 2024 at 09:25:13PM +0800, Peng Fan (OSS) wrote:
quoted hunk ↗ jump to hunk
From: Peng Fan <peng.fan@nxp.com>

The i.MX95 LVDS_CSR provides clock gate controls for the LVDS units, LVDS
PHY and Pixel Mapper blocks. Add dt-binding for it.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
 .../bindings/clock/nxp,imx95-lvds-csr.yaml         | 50 ++++++++++++++++++++++
 include/dt-bindings/clock/nxp,imx95-clock.h        |  7 +++
 2 files changed, 57 insertions(+)
diff --git a/Documentation/devicetree/bindings/clock/nxp,imx95-lvds-csr.yaml b/Documentation/devicetree/bindings/clock/nxp,imx95-lvds-csr.yaml
new file mode 100644
index 000000000000..e04f0ca4f588
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/nxp,imx95-lvds-csr.yaml
@@ -0,0 +1,50 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/nxp,imx95-lvds-csr.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NXP i.MX95 Display LVDS Block Control
+
+maintainers:
+  - Peng Fan <peng.fan@nxp.com>
+
+properties:
+  compatible:
+    items:
+      - const: nxp,imx95-lvds-csr
+      - const: syscon
+
+  reg:
+    maxItems: 1
+
+  power-domains:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  '#clock-cells':
+    const: 1
+    description:
+      The clock consumer should specify the desired clock by having the clock
+      ID in its "clocks" phandle cell. See
+      include/dt-bindings/clock/nxp,imx95-clock.h
+
+required:
+  - compatible
+  - reg
+  - '#clock-cells'
How are clocks and power-domains optional?
quoted hunk ↗ jump to hunk
+
+additionalProperties: false
+
+examples:
+  - |
+    syscon@4c410000 {
+      compatible = "nxp,imx95-lvds-csr", "syscon";
+      reg = <0x4c410000 0x10000>;
+      #clock-cells = <1>;
+      clocks = <&scmi_clk 75>;
+      power-domains = <&scmi_devpd 13>;
+    };
+...
diff --git a/include/dt-bindings/clock/nxp,imx95-clock.h b/include/dt-bindings/clock/nxp,imx95-clock.h
index c671c4dbb4d5..e642a54c81a0 100644
--- a/include/dt-bindings/clock/nxp,imx95-clock.h
+++ b/include/dt-bindings/clock/nxp,imx95-clock.h
@@ -18,4 +18,11 @@
 #define IMX95_CLK_CAMBLK_ISP			4
 #define IMX95_CLK_CAMBLK_END			5
 
+#define IMX95_CLK_DISPMIX_LVDS_PHY_DIV		0
+#define IMX95_CLK_DISPMIX_LVDS_CH0_GATE		1
+#define IMX95_CLK_DISPMIX_LVDS_CH1_GATE		2
+#define IMX95_CLK_DISPMIX_PIX_DI0_GATE		3
+#define IMX95_CLK_DISPMIX_PIX_DI1_GATE		4
+#define IMX95_CLK_DISPMIX_LVDS_CSR_END		5
Same issue here.

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