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Subject[PATCH v6 1/2] dt-bindings: clk: qcom: Document MSM8976 Global Clock Controller
Date
Document the required properties and firmware clocks for gcc-msm8976 to
operate nominally, and add header definitions for referencing the clocks
from firmware.

Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
---
.../bindings/clock/qcom,gcc-msm8976.yaml | 97 +++++++
include/dt-bindings/clock/qcom,gcc-msm8976.h | 240 ++++++++++++++++++
2 files changed, 337 insertions(+)
create mode 100644 Documentation/devicetree/bindings/clock/qcom,gcc-msm8976.yaml
create mode 100644 include/dt-bindings/clock/qcom,gcc-msm8976.h

diff --git a/Documentation/devicetree/bindings/clock/qcom,gcc-msm8976.yaml b/Documentation/devicetree/bindings/clock/qcom,gcc-msm8976.yaml
new file mode 100644
index 000000000000..f3430b159caa
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/qcom,gcc-msm8976.yaml
@@ -0,0 +1,97 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/qcom,gcc-msm8976.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Global Clock & Reset Controller Binding for MSM8976
+
+maintainers:
+ - Stephen Boyd <sboyd@kernel.org>
+ - Taniya Das <tdas@codeaurora.org>
+
+description: |
+ Qualcomm global clock control module which supports the clocks, resets and
+ power domains on MSM8976.
+
+ See also:
+ - dt-bindings/clock/qcom,gcc-msm8976.h
+
+properties:
+ compatible:
+ enum:
+ - qcom,gcc-msm8976
+ - qcom,gcc-msm8976-v1.1
+
+ clocks:
+ items:
+ - description: XO source
+ - description: Always-on XO source
+ - description: Pixel clock from DSI PHY0
+ - description: Byte clock from DSI PHY0
+ - description: Pixel clock from DSI PHY1
+ - description: Byte clock from DSI PHY1
+
+ clock-names:
+ items:
+ - const: xo
+ - const: xo_a
+ - const: dsi0pll
+ - const: dsi0pllbyte
+ - const: dsi1pll
+ - const: dsi1pllbyte
+
+ vdd_gfx-supply:
+ description:
+ Phandle to voltage regulator providing power to the GX domain.
+
+ '#clock-cells':
+ const: 1
+
+ '#reset-cells':
+ const: 1
+
+ '#power-domain-cells':
+ const: 1
+
+ reg:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - clock-names
+ - vdd_gfx-supply
+ - '#clock-cells'
+ - '#reset-cells'
+ - '#power-domain-cells'
+
+additionalProperties: false
+
+examples:
+ - |
+ clock-controller@1800000 {
+ compatible = "qcom,gcc-msm8976";
+ #clock-cells = <1>;
+ #reset-cells = <1>;
+ #power-domain-cells = <1>;
+ reg = <0x1800000 0x80000>;
+
+ clocks = <&xo_board>,
+ <&xo_board>,
+ <&dsi0_phy 1>,
+ <&dsi0_phy 0>,
+ <&dsi1_phy 1>,
+ <&dsi1_phy 0>;
+
+ clock-names = "xo",
+ "xo_a",
+ "dsi0pll",
+ "dsi0pllbyte",
+ "dsi1pll",
+ "dsi1pllbyte";
+
+ vdd_gfx-supply = <&pm8004_s5>;
+ };
+...
diff --git a/include/dt-bindings/clock/qcom,gcc-msm8976.h b/include/dt-bindings/clock/qcom,gcc-msm8976.h
new file mode 100644
index 000000000000..51955fd49426
--- /dev/null
+++ b/include/dt-bindings/clock/qcom,gcc-msm8976.h
@@ -0,0 +1,240 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * Copyright (C) 2016, The Linux Foundation. All rights reserved.
+ * Copyright (C) 2016-2021, AngeloGioacchino Del Regno
+ * <angelogioacchino.delregno@somainline.org>
+ */
+
+#ifndef _DT_BINDINGS_CLK_MSM_GCC_8976_H
+#define _DT_BINDINGS_CLK_MSM_GCC_8976_H
+
+#define GPLL0 0
+#define GPLL2 1
+#define GPLL3 2
+#define GPLL4 3
+#define GPLL6 4
+#define GPLL0_CLK_SRC 5
+#define GPLL2_CLK_SRC 6
+#define GPLL3_CLK_SRC 7
+#define GPLL4_CLK_SRC 8
+#define GPLL6_CLK_SRC 9
+#define GCC_BLSP1_QUP1_SPI_APPS_CLK 10
+#define GCC_BLSP1_QUP1_I2C_APPS_CLK 11
+#define GCC_BLSP1_QUP2_I2C_APPS_CLK 12
+#define GCC_BLSP1_QUP2_SPI_APPS_CLK 13
+#define GCC_BLSP1_QUP3_I2C_APPS_CLK 14
+#define GCC_BLSP1_QUP3_SPI_APPS_CLK 15
+#define GCC_BLSP1_QUP4_I2C_APPS_CLK 16
+#define GCC_BLSP1_QUP4_SPI_APPS_CLK 17
+#define GCC_BLSP1_UART1_APPS_CLK 18
+#define GCC_BLSP1_UART2_APPS_CLK 19
+#define GCC_BLSP2_QUP1_I2C_APPS_CLK 20
+#define GCC_BLSP2_QUP1_SPI_APPS_CLK 21
+#define GCC_BLSP2_QUP2_I2C_APPS_CLK 22
+#define GCC_BLSP2_QUP2_SPI_APPS_CLK 23
+#define GCC_BLSP2_QUP3_I2C_APPS_CLK 24
+#define GCC_BLSP2_QUP3_SPI_APPS_CLK 25
+#define GCC_BLSP2_QUP4_I2C_APPS_CLK 26
+#define GCC_BLSP2_QUP4_SPI_APPS_CLK 27
+#define GCC_BLSP2_UART1_APPS_CLK 28
+#define GCC_BLSP2_UART2_APPS_CLK 29
+#define GCC_CAMSS_CCI_AHB_CLK 30
+#define GCC_CAMSS_CCI_CLK 31
+#define GCC_CAMSS_CPP_AHB_CLK 32
+#define GCC_CAMSS_CPP_AXI_CLK 33
+#define GCC_CAMSS_CPP_CLK 34
+#define GCC_CAMSS_CSI0_AHB_CLK 35
+#define GCC_CAMSS_CSI0_CLK 36
+#define GCC_CAMSS_CSI0PHY_CLK 37
+#define GCC_CAMSS_CSI0PIX_CLK 38
+#define GCC_CAMSS_CSI0RDI_CLK 39
+#define GCC_CAMSS_CSI1_AHB_CLK 40
+#define GCC_CAMSS_CSI1_CLK 41
+#define GCC_CAMSS_CSI1PHY_CLK 42
+#define GCC_CAMSS_CSI1PIX_CLK 43
+#define GCC_CAMSS_CSI1RDI_CLK 44
+#define GCC_CAMSS_CSI2_AHB_CLK 45
+#define GCC_CAMSS_CSI2_CLK 46
+#define GCC_CAMSS_CSI2PHY_CLK 47
+#define GCC_CAMSS_CSI2PIX_CLK 48
+#define GCC_CAMSS_CSI2RDI_CLK 49
+#define GCC_CAMSS_CSI_VFE0_CLK 50
+#define GCC_CAMSS_CSI_VFE1_CLK 51
+#define GCC_CAMSS_GP0_CLK 52
+#define GCC_CAMSS_GP1_CLK 53
+#define GCC_CAMSS_ISPIF_AHB_CLK 54
+#define GCC_CAMSS_JPEG0_CLK 55
+#define GCC_CAMSS_JPEG_AHB_CLK 56
+#define GCC_CAMSS_JPEG_AXI_CLK 57
+#define GCC_CAMSS_MCLK0_CLK 58
+#define GCC_CAMSS_MCLK1_CLK 59
+#define GCC_CAMSS_MCLK2_CLK 60
+#define GCC_CAMSS_MICRO_AHB_CLK 61
+#define GCC_CAMSS_CSI0PHYTIMER_CLK 62
+#define GCC_CAMSS_CSI1PHYTIMER_CLK 63
+#define GCC_CAMSS_AHB_CLK 64
+#define GCC_CAMSS_TOP_AHB_CLK 65
+#define GCC_CAMSS_VFE0_CLK 66
+#define GCC_CAMSS_VFE_AHB_CLK 67
+#define GCC_CAMSS_VFE_AXI_CLK 68
+#define GCC_CAMSS_VFE1_AHB_CLK 69
+#define GCC_CAMSS_VFE1_AXI_CLK 70
+#define GCC_CAMSS_VFE1_CLK 71
+#define GCC_DCC_CLK 72
+#define GCC_GP1_CLK 73
+#define GCC_GP2_CLK 74
+#define GCC_GP3_CLK 75
+#define GCC_MDSS_AHB_CLK 76
+#define GCC_MDSS_AXI_CLK 77
+#define GCC_MDSS_ESC0_CLK 78
+#define GCC_MDSS_ESC1_CLK 79
+#define GCC_MDSS_MDP_CLK 80
+#define GCC_MDSS_VSYNC_CLK 81
+#define GCC_MSS_CFG_AHB_CLK 82
+#define GCC_MSS_Q6_BIMC_AXI_CLK 83
+#define GCC_PDM2_CLK 84
+#define GCC_PRNG_AHB_CLK 85
+#define GCC_PDM_AHB_CLK 86
+#define GCC_RBCPR_GFX_AHB_CLK 87
+#define GCC_RBCPR_GFX_CLK 88
+#define GCC_SDCC1_AHB_CLK 89
+#define GCC_SDCC1_APPS_CLK 90
+#define GCC_SDCC1_ICE_CORE_CLK 91
+#define GCC_SDCC2_AHB_CLK 92
+#define GCC_SDCC2_APPS_CLK 93
+#define GCC_SDCC3_AHB_CLK 94
+#define GCC_SDCC3_APPS_CLK 95
+#define GCC_USB2A_PHY_SLEEP_CLK 96
+#define GCC_USB_HS_PHY_CFG_AHB_CLK 97
+#define GCC_USB_FS_AHB_CLK 98
+#define GCC_USB_FS_IC_CLK 99
+#define GCC_USB_FS_SYSTEM_CLK 100
+#define GCC_USB_HS_AHB_CLK 101
+#define GCC_USB_HS_SYSTEM_CLK 102
+#define GCC_VENUS0_AHB_CLK 103
+#define GCC_VENUS0_AXI_CLK 104
+#define GCC_VENUS0_CORE0_VCODEC0_CLK 105
+#define GCC_VENUS0_CORE1_VCODEC0_CLK 106
+#define GCC_VENUS0_VCODEC0_CLK 107
+#define GCC_APSS_AHB_CLK 108
+#define GCC_APSS_AXI_CLK 109
+#define GCC_BLSP1_AHB_CLK 110
+#define GCC_BLSP2_AHB_CLK 111
+#define GCC_BOOT_ROM_AHB_CLK 112
+#define GCC_CRYPTO_AHB_CLK 113
+#define GCC_CRYPTO_AXI_CLK 114
+#define GCC_CRYPTO_CLK 115
+#define GCC_CPP_TBU_CLK 116
+#define GCC_APSS_TCU_CLK 117
+#define GCC_JPEG_TBU_CLK 118
+#define GCC_MDP_RT_TBU_CLK 119
+#define GCC_MDP_TBU_CLK 120
+#define GCC_SMMU_CFG_CLK 121
+#define GCC_VENUS_1_TBU_CLK 122
+#define GCC_VENUS_TBU_CLK 123
+#define GCC_VFE1_TBU_CLK 124
+#define GCC_VFE_TBU_CLK 125
+#define GCC_APS_0_CLK 126
+#define GCC_APS_1_CLK 127
+#define APS_0_CLK_SRC 128
+#define APS_1_CLK_SRC 129
+#define APSS_AHB_CLK_SRC 130
+#define BLSP1_QUP1_I2C_APPS_CLK_SRC 131
+#define BLSP1_QUP1_SPI_APPS_CLK_SRC 132
+#define BLSP1_QUP2_I2C_APPS_CLK_SRC 133
+#define BLSP1_QUP2_SPI_APPS_CLK_SRC 134
+#define BLSP1_QUP3_I2C_APPS_CLK_SRC 135
+#define BLSP1_QUP3_SPI_APPS_CLK_SRC 136
+#define BLSP1_QUP4_I2C_APPS_CLK_SRC 137
+#define BLSP1_QUP4_SPI_APPS_CLK_SRC 138
+#define BLSP1_UART1_APPS_CLK_SRC 139
+#define BLSP1_UART2_APPS_CLK_SRC 140
+#define BLSP2_QUP1_I2C_APPS_CLK_SRC 141
+#define BLSP2_QUP1_SPI_APPS_CLK_SRC 142
+#define BLSP2_QUP2_I2C_APPS_CLK_SRC 143
+#define BLSP2_QUP2_SPI_APPS_CLK_SRC 144
+#define BLSP2_QUP3_I2C_APPS_CLK_SRC 145
+#define BLSP2_QUP3_SPI_APPS_CLK_SRC 146
+#define BLSP2_QUP4_I2C_APPS_CLK_SRC 147
+#define BLSP2_QUP4_SPI_APPS_CLK_SRC 148
+#define BLSP2_UART1_APPS_CLK_SRC 149
+#define BLSP2_UART2_APPS_CLK_SRC 150
+#define CCI_CLK_SRC 151
+#define CPP_CLK_SRC 152
+#define CSI0_CLK_SRC 153
+#define CSI1_CLK_SRC 154
+#define CSI2_CLK_SRC 155
+#define CAMSS_GP0_CLK_SRC 156
+#define CAMSS_GP1_CLK_SRC 157
+#define JPEG0_CLK_SRC 158
+#define MCLK0_CLK_SRC 159
+#define MCLK1_CLK_SRC 160
+#define MCLK2_CLK_SRC 161
+#define CSI0PHYTIMER_CLK_SRC 162
+#define CSI1PHYTIMER_CLK_SRC 163
+#define CAMSS_TOP_AHB_CLK_SRC 164
+#define VFE0_CLK_SRC 165
+#define VFE1_CLK_SRC 166
+#define CRYPTO_CLK_SRC 167
+#define GP1_CLK_SRC 168
+#define GP2_CLK_SRC 169
+#define GP3_CLK_SRC 170
+#define ESC0_CLK_SRC 171
+#define ESC1_CLK_SRC 172
+#define MDP_CLK_SRC 173
+#define VSYNC_CLK_SRC 174
+#define PDM2_CLK_SRC 175
+#define RBCPR_GFX_CLK_SRC 176
+#define SDCC1_APPS_CLK_SRC 177
+#define SDCC1_ICE_CORE_CLK_SRC 178
+#define SDCC2_APPS_CLK_SRC 179
+#define SDCC3_APPS_CLK_SRC 180
+#define USB_FS_IC_CLK_SRC 181
+#define USB_FS_SYSTEM_CLK_SRC 182
+#define USB_HS_SYSTEM_CLK_SRC 183
+#define VCODEC0_CLK_SRC 184
+#define GCC_MDSS_BYTE0_CLK_SRC 185
+#define GCC_MDSS_BYTE1_CLK_SRC 186
+#define GCC_MDSS_BYTE0_CLK 187
+#define GCC_MDSS_BYTE1_CLK 188
+#define GCC_MDSS_PCLK0_CLK_SRC 189
+#define GCC_MDSS_PCLK1_CLK_SRC 190
+#define GCC_MDSS_PCLK0_CLK 191
+#define GCC_MDSS_PCLK1_CLK 192
+#define GCC_GFX3D_CLK_SRC 193
+#define GCC_GFX3D_OXILI_CLK 194
+#define GCC_GFX3D_BIMC_CLK 195
+#define GCC_GFX3D_OXILI_AHB_CLK 196
+#define GCC_GFX3D_OXILI_AON_CLK 197
+#define GCC_GFX3D_OXILI_GMEM_CLK 198
+#define GCC_GFX3D_OXILI_TIMER_CLK 199
+#define GCC_GFX3D_TBU0_CLK 200
+#define GCC_GFX3D_TBU1_CLK 201
+#define GCC_GFX3D_TCU_CLK 202
+#define GCC_GFX3D_GTCU_AHB_CLK 203
+
+/* GCC block resets */
+#define RST_CAMSS_MICRO_BCR 0
+#define RST_USB_HS_BCR 1
+#define RST_QUSB2_PHY_BCR 2
+#define RST_USB2_HS_PHY_ONLY_BCR 3
+#define RST_USB_HS_PHY_CFG_AHB_BCR 4
+#define RST_USB_FS_BCR 5
+#define RST_CAMSS_CSI1PIX_BCR 6
+#define RST_CAMSS_CSI_VFE1_BCR 7
+#define RST_CAMSS_VFE1_BCR 8
+#define RST_CAMSS_CPP_BCR 9
+
+/* GDSCs */
+#define VENUS_GDSC 0
+#define VENUS_CORE0_GDSC 1
+#define VENUS_CORE1_GDSC 2
+#define MDSS_GDSC 3
+#define JPEG_GDSC 4
+#define VFE0_GDSC 5
+#define VFE1_GDSC 6
+#define CPP_GDSC 7
+#define OXILI_GX_GDSC 8
+#define OXILI_CX_GDSC 9
+
+#endif /* _DT_BINDINGS_CLK_MSM_GCC_8976_H */
--
2.34.1
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