[PATCH v3 1/2] dt-bindindgs: clock: support NXP i.MX95 BLK CTL module

From: Peng Fan (OSS)
Date: Wed Feb 28 2024 - 02:40:47 EST


From: Peng Fan <peng.fan@xxxxxxx>

i.MX95 includes BLK CTL module in several MIXes, such as VPU_CSR in
VPUMIX, BLK_CTRL_NETCMIX in NETCMIX, CAMERA_CSR in CAMERAMIX and etc.

The BLK CTL module is used for various settings of a specific MIX, such
as clock, QoS and etc.

This patch is to add some BLK CTL modules that has clock features.

Signed-off-by: Peng Fan <peng.fan@xxxxxxx>
---
.../devicetree/bindings/clock/imx95-blk-ctl.yaml | 61 ++++++++++++++++++++++
include/dt-bindings/clock/nxp,imx95-clock.h | 32 ++++++++++++
2 files changed, 93 insertions(+)

diff --git a/Documentation/devicetree/bindings/clock/imx95-blk-ctl.yaml b/Documentation/devicetree/bindings/clock/imx95-blk-ctl.yaml
new file mode 100644
index 000000000000..c8974b927bee
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/imx95-blk-ctl.yaml
@@ -0,0 +1,61 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/imx95-blk-ctl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NXP i.MX95 Block Control
+
+maintainers:
+ - Peng Fan <peng.fan@xxxxxxx>
+
+properties:
+ compatible:
+ items:
+ - enum:
+ - nxp,imx95-cameramix-csr
+ - nxp,imx95-display-master-csr
+ - nxp,imx95-dispmix-lvds-csr
+ - nxp,imx95-dispmix-csr
+ - nxp,imx95-netcmix-blk-ctrl
+ - nxp,imx95-vpumix-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
+
+ mux-controller:
+ type: object
+ $ref: /schemas/mux/reg-mux.yaml
+
+required:
+ - compatible
+ - reg
+ - '#clock-cells'
+
+additionalProperties: false
+
+examples:
+ # Clock Control Module node:
+ - |
+ #include <dt-bindings/clock/nxp,imx95-clock.h>
+
+ syscon@4c410000 {
+ compatible = "nxp,imx95-vpumix-csr", "syscon";
+ reg = <0x4c410000 0x10000>;
+ #clock-cells = <1>;
+ };
+...
diff --git a/include/dt-bindings/clock/nxp,imx95-clock.h b/include/dt-bindings/clock/nxp,imx95-clock.h
new file mode 100644
index 000000000000..09120e098a97
--- /dev/null
+++ b/include/dt-bindings/clock/nxp,imx95-clock.h
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: GPL-2.0-only OR MIT */
+/*
+ * Copyright 2024 NXP
+ */
+
+#ifndef __DT_BINDINGS_CLOCK_IMX95_H
+#define __DT_BINDINGS_CLOCK_IMX95_H
+
+#define IMX95_CLK_DISPMIX_ENG0_SEL 0
+#define IMX95_CLK_DISPMIX_ENG1_SEL 1
+#define IMX95_CLK_DISPMIX_END 2
+
+#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
+
+#define IMX95_CLK_VPUBLK_WAVE 0
+#define IMX95_CLK_VPUBLK_JPEG_ENC 1
+#define IMX95_CLK_VPUBLK_JPEG_DEC 2
+#define IMX95_CLK_VPUBLK_END 3
+
+#define IMX95_CLK_CAMBLK_CSI2_FOR0 0
+#define IMX95_CLK_CAMBLK_CSI2_FOR1 1
+#define IMX95_CLK_CAMBLK_ISP_AXI 2
+#define IMX95_CLK_CAMBLK_ISP_PIXEL 3
+#define IMX95_CLK_CAMBLK_ISP 4
+#define IMX95_CLK_CAMBLK_END 5
+
+#endif /* __DT_BINDINGS_CLOCK_IMX95_H */

--
2.37.1