clk: qcom: gcc: Add global clock controller driver for QCS404

Add the clocks supported in global clock controller which clock the
peripherals like BLSPs, SDCC, USB, MDSS etc. Register all the clocks
to the clock framework for the clients to be able to request for them.
Signed-off-by: Shefali Jain <shefjain@codeaurora.org>
Signed-off-by: Taniya Das <tdas@codeaurora.org>
Co-developed-by: Taniya Das <tdas@codeaurora.org>
Signed-off-by: Anu Ramanathan <anur@codeaurora.org>
[bamse, vkoul: rebase and tidyup for upstream]
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
[sboyd@kernel.org: Lowercase hex]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

Documentation/devicetree/bindings/clock/qcom,gcc.txt

@@ -19,6 +19,7 @@ Required properties :
 			"qcom,gcc-msm8996"
 			"qcom,gcc-msm8998"
 			"qcom,gcc-mdm9615"
+			"qcom,gcc-qcs404"
 			"qcom,gcc-sdm845"
 
 - reg : shall contain base register location and length

drivers/clk/qcom/Kconfig

@@ -235,6 +235,14 @@ config MSM_GCC_8998
 	  Say Y if you want to use peripheral devices such as UART, SPI,
 	  i2c, USB, UFS, SD/eMMC, PCIe, etc.
 
+config QCS_GCC_404
+	tristate "QCS404 Global Clock Controller"
+	depends on COMMON_CLK_QCOM
+	help
+	  Support for the global clock controller on QCS404 devices.
+	  Say Y if you want to use multimedia devices or peripheral
+	  devices such as UART, SPI, I2C, USB, SD/eMMC, PCIe etc.
+
 config SDM_GCC_845
 	tristate "SDM845 Global Clock Controller"
 	select QCOM_GDSC

drivers/clk/qcom/Makefile

@@ -40,6 +40,7 @@ obj-$(CONFIG_QCOM_CLK_RPM) += clk-rpm.o
 obj-$(CONFIG_QCOM_CLK_RPMH) += clk-rpmh.o
 obj-$(CONFIG_QCOM_CLK_SMD_RPM) += clk-smd-rpm.o
 obj-$(CONFIG_SDM_DISPCC_845) += dispcc-sdm845.o
+obj-$(CONFIG_QCS_GCC_404) += gcc-qcs404.o
 obj-$(CONFIG_SDM_GCC_845) += gcc-sdm845.o
 obj-$(CONFIG_SDM_VIDEOCC_845) += videocc-sdm845.o
 obj-$(CONFIG_SPMI_PMIC_CLKDIV) += clk-spmi-pmic-div.o

include/dt-bindings/clock/qcom,gcc-qcs404.h

+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2018, The Linux Foundation. All rights reserved.
+ */
+
+#ifndef _DT_BINDINGS_CLK_QCOM_GCC_QCS404_H
+#define _DT_BINDINGS_CLK_QCOM_GCC_QCS404_H
+
+#define GCC_APSS_AHB_CLK_SRC				0
+#define GCC_BLSP1_QUP0_I2C_APPS_CLK_SRC			1
+#define GCC_BLSP1_QUP0_SPI_APPS_CLK_SRC			2
+#define GCC_BLSP1_QUP1_I2C_APPS_CLK_SRC			3
+#define GCC_BLSP1_QUP1_SPI_APPS_CLK_SRC			4
+#define GCC_BLSP1_QUP2_I2C_APPS_CLK_SRC			5
+#define GCC_BLSP1_QUP2_SPI_APPS_CLK_SRC			6
+#define GCC_BLSP1_QUP3_I2C_APPS_CLK_SRC			7
+#define GCC_BLSP1_QUP3_SPI_APPS_CLK_SRC			8
+#define GCC_BLSP1_QUP4_I2C_APPS_CLK_SRC			9
+#define GCC_BLSP1_QUP4_SPI_APPS_CLK_SRC			10
+#define GCC_BLSP1_UART0_APPS_CLK_SRC			11
+#define GCC_BLSP1_UART1_APPS_CLK_SRC			12
+#define GCC_BLSP1_UART2_APPS_CLK_SRC			13
+#define GCC_BLSP1_UART3_APPS_CLK_SRC			14
+#define GCC_BLSP2_QUP0_I2C_APPS_CLK_SRC			15
+#define GCC_BLSP2_QUP0_SPI_APPS_CLK_SRC			16
+#define GCC_BLSP2_UART0_APPS_CLK_SRC			17
+#define GCC_BYTE0_CLK_SRC				18
+#define GCC_EMAC_CLK_SRC				19
+#define GCC_EMAC_PTP_CLK_SRC				20
+#define GCC_ESC0_CLK_SRC				21
+#define GCC_APSS_AHB_CLK				22
+#define GCC_APSS_AXI_CLK				23
+#define GCC_BIMC_APSS_AXI_CLK				24
+#define GCC_BIMC_GFX_CLK				25
+#define GCC_BIMC_MDSS_CLK				26
+#define GCC_BLSP1_AHB_CLK				27
+#define GCC_BLSP1_QUP0_I2C_APPS_CLK			28
+#define GCC_BLSP1_QUP0_SPI_APPS_CLK			29
+#define GCC_BLSP1_QUP1_I2C_APPS_CLK			30
+#define GCC_BLSP1_QUP1_SPI_APPS_CLK			31
+#define GCC_BLSP1_QUP2_I2C_APPS_CLK			32
+#define GCC_BLSP1_QUP2_SPI_APPS_CLK			33
+#define GCC_BLSP1_QUP3_I2C_APPS_CLK			34
+#define GCC_BLSP1_QUP3_SPI_APPS_CLK			35
+#define GCC_BLSP1_QUP4_I2C_APPS_CLK			36
+#define GCC_BLSP1_QUP4_SPI_APPS_CLK			37
+#define GCC_BLSP1_UART0_APPS_CLK			38
+#define GCC_BLSP1_UART1_APPS_CLK			39
+#define GCC_BLSP1_UART2_APPS_CLK			40
+#define GCC_BLSP1_UART3_APPS_CLK			41
+#define GCC_BLSP2_AHB_CLK				42
+#define GCC_BLSP2_QUP0_I2C_APPS_CLK			43
+#define GCC_BLSP2_QUP0_SPI_APPS_CLK			44
+#define GCC_BLSP2_UART0_APPS_CLK			45
+#define GCC_BOOT_ROM_AHB_CLK				46
+#define GCC_DCC_CLK					47
+#define GCC_GENI_IR_H_CLK				48
+#define GCC_ETH_AXI_CLK					49
+#define GCC_ETH_PTP_CLK					50
+#define GCC_ETH_RGMII_CLK				51
+#define GCC_ETH_SLAVE_AHB_CLK				52
+#define GCC_GENI_IR_S_CLK				53
+#define GCC_GP1_CLK					54
+#define GCC_GP2_CLK					55
+#define GCC_GP3_CLK					56
+#define GCC_MDSS_AHB_CLK				57
+#define GCC_MDSS_AXI_CLK				58
+#define GCC_MDSS_BYTE0_CLK				59
+#define GCC_MDSS_ESC0_CLK				60
+#define GCC_MDSS_HDMI_APP_CLK				61
+#define GCC_MDSS_HDMI_PCLK_CLK				62
+#define GCC_MDSS_MDP_CLK				63
+#define GCC_MDSS_PCLK0_CLK				64
+#define GCC_MDSS_VSYNC_CLK				65
+#define GCC_OXILI_AHB_CLK				66
+#define GCC_OXILI_GFX3D_CLK				67
+#define GCC_PCIE_0_AUX_CLK				68
+#define GCC_PCIE_0_CFG_AHB_CLK				69
+#define GCC_PCIE_0_MSTR_AXI_CLK				70
+#define GCC_PCIE_0_PIPE_CLK				71
+#define GCC_PCIE_0_SLV_AXI_CLK				72
+#define GCC_PCNOC_USB2_CLK				73
+#define GCC_PCNOC_USB3_CLK				74
+#define GCC_PDM2_CLK					75
+#define GCC_PDM_AHB_CLK					76
+#define GCC_VSYNC_CLK_SRC				77
+#define GCC_PRNG_AHB_CLK				78
+#define GCC_PWM0_XO512_CLK				79
+#define GCC_PWM1_XO512_CLK				80
+#define GCC_PWM2_XO512_CLK				81
+#define GCC_SDCC1_AHB_CLK				82
+#define GCC_SDCC1_APPS_CLK				83
+#define GCC_SDCC1_ICE_CORE_CLK				84
+#define GCC_SDCC2_AHB_CLK				85
+#define GCC_SDCC2_APPS_CLK				86
+#define GCC_SYS_NOC_USB3_CLK				87
+#define GCC_USB20_MOCK_UTMI_CLK				88
+#define GCC_USB2A_PHY_SLEEP_CLK				89
+#define GCC_USB30_MASTER_CLK				90
+#define GCC_USB30_MOCK_UTMI_CLK				91
+#define GCC_USB30_SLEEP_CLK				92
+#define GCC_USB3_PHY_AUX_CLK				93
+#define GCC_USB3_PHY_PIPE_CLK				94
+#define GCC_USB_HS_PHY_CFG_AHB_CLK			95
+#define GCC_USB_HS_SYSTEM_CLK				96
+#define GCC_GFX3D_CLK_SRC				97
+#define GCC_GP1_CLK_SRC					98
+#define GCC_GP2_CLK_SRC					99
+#define GCC_GP3_CLK_SRC					100
+#define GCC_GPLL0_OUT_MAIN				101
+#define GCC_GPLL1_OUT_MAIN				102
+#define GCC_GPLL3_OUT_MAIN				103
+#define GCC_GPLL4_OUT_MAIN				104
+#define GCC_HDMI_APP_CLK_SRC				105
+#define GCC_HDMI_PCLK_CLK_SRC				106
+#define GCC_MDP_CLK_SRC					107
+#define GCC_PCIE_0_AUX_CLK_SRC				108
+#define GCC_PCIE_0_PIPE_CLK_SRC				109
+#define GCC_PCLK0_CLK_SRC				110
+#define GCC_PDM2_CLK_SRC				111
+#define GCC_SDCC1_APPS_CLK_SRC				112
+#define GCC_SDCC1_ICE_CORE_CLK_SRC			113
+#define GCC_SDCC2_APPS_CLK_SRC				114
+#define GCC_USB20_MOCK_UTMI_CLK_SRC			115
+#define GCC_USB30_MASTER_CLK_SRC			116
+#define GCC_USB30_MOCK_UTMI_CLK_SRC			117
+#define GCC_USB3_PHY_AUX_CLK_SRC			118
+#define GCC_USB_HS_SYSTEM_CLK_SRC			119
+#define GCC_GPLL0_AO_CLK_SRC				120
+#define GCC_USB_HS_INACTIVITY_TIMERS_CLK		122
+#define GCC_GPLL0_AO_OUT_MAIN				123
+#define GCC_GPLL0_SLEEP_CLK_SRC				124
+#define GCC_GPLL6					125
+#define GCC_GPLL6_OUT_AUX				126
+#define GCC_MDSS_MDP_VOTE_CLK				127
+#define GCC_MDSS_ROTATOR_VOTE_CLK			128
+#define GCC_BIMC_GPU_CLK				129
+#define GCC_GTCU_AHB_CLK				130
+#define GCC_GFX_TCU_CLK					131
+#define GCC_GFX_TBU_CLK					132
+#define GCC_SMMU_CFG_CLK				133
+#define GCC_APSS_TCU_CLK				134
+#define GCC_CRYPTO_AHB_CLK				135
+#define GCC_CRYPTO_AXI_CLK				136
+#define GCC_CRYPTO_CLK					137
+#define GCC_MDP_TBU_CLK					138
+#define GCC_QDSS_DAP_CLK				139
+#define GCC_DCC_XO_CLK					140
+
+#define GCC_GENI_IR_BCR					0
+#define GCC_USB_HS_BCR					1
+#define GCC_USB2_HS_PHY_ONLY_BCR			2
+#define GCC_QUSB2_PHY_BCR				3
+#define GCC_USB_HS_PHY_CFG_AHB_BCR			4
+#define GCC_USB2A_PHY_BCR				5
+#define GCC_USB3_PHY_BCR				6
+#define GCC_USB_30_BCR					7
+#define GCC_USB3PHY_PHY_BCR				8
+#define GCC_PCIE_0_BCR					9
+#define GCC_PCIE_0_PHY_BCR				10
+#define GCC_PCIE_0_LINK_DOWN_BCR			11
+#define GCC_PCIEPHY_0_PHY_BCR				12
+#define GCC_EMAC_BCR					13
+
+#endif