[PATCH v2 1/3] dt-bindings: clock: meson: add A1 clock controller bindings

[Jian Hu <jian.hu@amlogic.com>]

Add the documentation to support Amlogic A1 clock driver,
and add A1 clock controller bindings.

Signed-off-by: Jian Hu <jian.hu@amlogic.com>
---
 .../devicetree/bindings/clock/amlogic,a1-clkc.yaml | 143 +++++++++++++++++++++
 include/dt-bindings/clock/a1-clkc.h                |  98 ++++++++++++++
 include/dt-bindings/clock/a1-pll-clkc.h            |  16 +++
 3 files changed, 257 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/clock/amlogic,a1-clkc.yaml
 create mode 100644 include/dt-bindings/clock/a1-clkc.h
 create mode 100644 include/dt-bindings/clock/a1-pll-clkc.h

diff --git a/Documentation/devicetree/bindings/clock/amlogic,a1-clkc.yaml b/Documentation/devicetree/bindings/clock/amlogic,a1-clkc.yaml
new file mode 100644
index 0000000..b382eebe
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/amlogic,a1-clkc.yaml
@@ -0,0 +1,143 @@
+/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
+/*
+ * Copyright (c) 2019 Amlogic, Inc. All rights reserved.
+ */
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/clock/amlogic,a1-clkc.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Amlogic Meson A/C serials Clock Control Unit Device Tree Bindings
+
+maintainers:
+  - Neil Armstrong <narmstrong@baylibre.com>
+  - Jerome Brunet <jbrunet@baylibre.com>
+  - Jian Hu <jian.hu@jian.hu.com>
+
+description: |+
+  The clock controller node should be the child of a syscon node with the
+  required property:
+
+  - compatible:         Should be one of the following:
+                        "amlogic,meson-a-analog-sysctrl", "syscon", "simple-mfd"
+                        "amlogic,meson-a-periphs-sysctrl", "syscon", "simple-mfd"
+
+  Refer to the the bindings described in
+  Documentation/devicetree/bindings/mfd/syscon.txt
+
+properties:
+  "#clock-cells":
+    const: 1
+  compatible:
+    - enum:
+        - amlogic,a1-periphs-clkc
+        - amlogic,a1-pll-clkc
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    minItems: 2
+    maxItems: 6
+
+  clock-names:
+    minItems: 2
+    maxItems: 6
+
+required:
+  - "#clock-cells"
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+
+if:
+  properties:
+    compatible:
+      enum:
+        - amlogic,a1-periphs-clkc
+
+then:
+  properties:
+    clocks:
+      minItems: 2
+      maxItems: 2
+    items:
+     - description: fixed pll gate clock
+     - description: hifi pll gate clock
+
+    clock-names:
+      minItems: 2
+      maxItems: 2
+      items:
+        - const: xtal_fixpll
+        - const: xtal_hifipll
+
+else:
+  if:
+    properties:
+      compatible:
+        const: amlogic,a1-pll-clkc
+
+  then:
+    properties:
+      clocks:
+        minItems: 6
+        maxItems: 6
+        items:
+         - description: Input fixed pll div2
+         - description: Input fixed pll div3
+         - description: Input fixed pll div5
+         - description: Input fixed pll div7
+         - description: Periph Hifi pll
+         - description: Input Oscillator (usually at 24MHz)
+
+      clock-names:
+        minItems: 6
+        maxItems: 6
+        items:
+         - const: fclk_div2
+         - const: fclk_div3
+         - const: fclk_div5
+         - const: fclk_div7
+         - const: hifi_pll
+         - const: xtal
+
+
+additionalProperties: false
+
+examples:
+  - |
+    analog: system-controller@0 {
+        compatible = "amlogic,meson-a-analog-sysctrl",
+                     "simple-mfd", "syscon";
+        reg = <0 0x7c00 0 0x21c>;
+
+        clkc_pll: pll-clock-controller {
+                compatible = "amlogic,a1-pll-clkc";
+                #clock-cells = <1>;
+                clocks = <&clkc_periphs CLKID_XTAL_FIXPLL>,
+                         <&clkc_periphs CLKID_XTAL_HIFIPLL>;
+                clock-names = "xtal_fixpll", "xtal_hifipll";
+        };
+    };
+
+  - |
+    periphs: system-controller@1 {
+        compatible = "amlogic,meson-a-periphs-sysctrl",
+                     "simple-mfd", "syscon";
+        reg = <0 0x800 0 0x104>;
+
+        clkc_periphs: periphs-clock-controller {
+                compatible = "amlogic,a1-periphs-clkc";
+                #clock-cells = <1>;
+                clocks = <&clkc_pll CLKID_FCLK_DIV2>,
+                        <&clkc_pll CLKID_FCLK_DIV3>,
+                        <&clkc_pll CLKID_FCLK_DIV5>,
+                        <&clkc_pll CLKID_FCLK_DIV7>,
+                        <&clkc_pll CLKID_HIFI_PLL>,
+                        <&xtal>;
+                clock-names = "fclk_div2", "fclk_div3", "fclk_div5",
+                              "fclk_div7", "hifi_pll", "xtal";
+        };
+    };
diff --git a/include/dt-bindings/clock/a1-clkc.h b/include/dt-bindings/clock/a1-clkc.h
new file mode 100644
index 0000000..1ba0112
--- /dev/null
+++ b/include/dt-bindings/clock/a1-clkc.h
@@ -0,0 +1,98 @@
+/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
+/*
+ * Copyright (c) 2019 Amlogic, Inc. All rights reserved.
+ */
+
+#ifndef __A1_CLKC_H
+#define __A1_CLKC_H
+
+#define CLKID_XTAL_FIXPLL			1
+#define CLKID_XTAL_USB_PHY			2
+#define CLKID_XTAL_USB_CTRL			3
+#define CLKID_XTAL_HIFIPLL			4
+#define CLKID_XTAL_SYSPLL			5
+#define CLKID_XTAL_DDS				6
+#define CLKID_SYS_CLK				7
+#define CLKID_CLKTREE				8
+#define CLKID_RESET_CTRL			9
+#define CLKID_ANALOG_CTRL			10
+#define CLKID_PWR_CTRL				11
+#define CLKID_PAD_CTRL				12
+#define CLKID_SYS_CTRL				13
+#define CLKID_TEMP_SENSOR			14
+#define CLKID_AM2AXI_DIV			15
+#define CLKID_SPICC_B				16
+#define CLKID_SPICC_A				17
+#define CLKID_CLK_MSR				18
+#define CLKID_AUDIO				19
+#define CLKID_JTAG_CTRL				20
+#define CLKID_SARADC				21
+#define CLKID_PWM_EF				22
+#define CLKID_PWM_CD				23
+#define CLKID_PWM_AB				24
+#define CLKID_CEC				25
+#define CLKID_I2C_S				26
+#define CLKID_IR_CTRL				27
+#define CLKID_I2C_M_D				28
+#define CLKID_I2C_M_C				29
+#define CLKID_I2C_M_B				30
+#define CLKID_I2C_M_A				31
+#define CLKID_ACODEC				32
+#define CLKID_OTP				33
+#define CLKID_SD_EMMC_A				34
+#define CLKID_USB_PHY				35
+#define CLKID_USB_CTRL				36
+#define CLKID_SYS_DSPB				37
+#define CLKID_SYS_DSPA				38
+#define CLKID_DMA				39
+#define CLKID_IRQ_CTRL				40
+#define CLKID_NIC				41
+#define CLKID_GIC				42
+#define CLKID_UART_C				43
+#define CLKID_UART_B				44
+#define CLKID_UART_A				45
+#define CLKID_SYS_PSRAM				46
+#define CLKID_RSA				47
+#define CLKID_CORESIGHT				48
+#define CLKID_AM2AXI_VAD			49
+#define CLKID_AUDIO_VAD				50
+#define CLKID_AXI_DMC				51
+#define CLKID_AXI_PSRAM				52
+#define CLKID_RAMB				53
+#define CLKID_RAMA				54
+#define CLKID_AXI_SPIFC				55
+#define CLKID_AXI_NIC				56
+#define CLKID_AXI_DMA				57
+#define CLKID_CPU_CTRL				58
+#define CLKID_ROM				59
+#define CLKID_PROC_I2C				60
+#define CLKID_DSPA_SEL				61
+#define CLKID_DSPB_SEL				62
+#define CLKID_DSPA_EN_DSPA			63
+#define CLKID_DSPA_EN_NIC			64
+#define CLKID_DSPB_EN_DSPB			65
+#define CLKID_DSPB_EN_NIC			66
+#define CLKID_RTC_CLK				67
+#define CLKID_CECA_32K				68
+#define CLKID_CECB_32K				69
+#define CLKID_24M				70
+#define CLKID_12M				71
+#define CLKID_FCLK_DIV2_DIVN			72
+#define CLKID_GEN				73
+#define CLKID_SARADC_SEL			74
+#define CLKID_SARADC_CLK			75
+#define CLKID_PWM_A				76
+#define CLKID_PWM_B				77
+#define CLKID_PWM_C				78
+#define CLKID_PWM_D				79
+#define CLKID_PWM_E				80
+#define CLKID_PWM_F				81
+#define CLKID_SPICC				82
+#define CLKID_TS				83
+#define CLKID_SPIFC				84
+#define CLKID_USB_BUS				85
+#define CLKID_SD_EMMC				86
+#define CLKID_PSRAM				87
+#define CLKID_DMC				88
+
+#endif /* __A1_CLKC_H */
diff --git a/include/dt-bindings/clock/a1-pll-clkc.h b/include/dt-bindings/clock/a1-pll-clkc.h
new file mode 100644
index 0000000..58eae23
--- /dev/null
+++ b/include/dt-bindings/clock/a1-pll-clkc.h
@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
+/*
+ * Copyright (c) 2019 Amlogic, Inc. All rights reserved.
+ */
+
+#ifndef __A1_PLL_CLKC_H
+#define __A1_PLL_CLKC_H
+
+#define CLKID_FIXED_PLL				1
+#define CLKID_FCLK_DIV2				6
+#define CLKID_FCLK_DIV3				7
+#define CLKID_FCLK_DIV5				8
+#define CLKID_FCLK_DIV7				9
+#define CLKID_HIFI_PLL				10
+
+#endif /* __A1_PLL_CLKC_H */
-- 
1.9.1