Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 7d0c76bd authored by Govind Singh's avatar Govind Singh Committed by Stephen Boyd
Browse files

clk: qcom: Add WCSS gcc clock control for QCS404 



Add support for the WCSS QDSP gcc clock control used on qcs404
based devices. This would allow wcss remoteproc driver to control
the required gcc clocks to bring the subsystem out of reset.

Signed-off-by: default avatarGovind Singh <govinds@codeaurora.org>
Signed-off-by: default avatarStephen Boyd <sboyd@kernel.org>
parent 56bf8740

drivers/clk/qcom/gcc-qcs404.c

+30 −0
Original line number Diff line number Diff line
@@ -2604,6 +2604,32 @@ static struct clk_branch gcc_usb_hs_system_clk = { 
	},

};



static struct clk_branch gcc_wdsp_q6ss_ahbs_clk = {

	.halt_reg = 0x1e004,

	.halt_check = BRANCH_HALT,

	.clkr = {

		.enable_reg = 0x1e004,

		.enable_mask = BIT(0),

		.hw.init = &(struct clk_init_data){

			.name = "gcc_wdsp_q6ss_ahbs_clk",

			.ops = &clk_branch2_ops,

		},

	},

};



static struct clk_branch gcc_wdsp_q6ss_axim_clk = {

	.halt_reg = 0x1e008,

	.halt_check = BRANCH_HALT,

	.clkr = {

		.enable_reg = 0x1e008,

		.enable_mask = BIT(0),

		.hw.init = &(struct clk_init_data){

			.name = "gcc_wdsp_q6ss_axim_clk",

			.ops = &clk_branch2_ops,

		},

	},

};



static struct clk_hw *gcc_qcs404_hws[] = {

	&cxo.hw,

};
@@ -2749,6 +2775,9 @@ static struct clk_regmap *gcc_qcs404_clocks[] = { 
	[GCC_QDSS_DAP_CLK] = &gcc_qdss_dap_clk.clkr,

	[GCC_DCC_CLK] = &gcc_dcc_clk.clkr,

	[GCC_DCC_XO_CLK] = &gcc_dcc_xo_clk.clkr,

	[GCC_WCSS_Q6_AHB_CLK] = &gcc_wdsp_q6ss_ahbs_clk.clkr,

	[GCC_WCSS_Q6_AXIM_CLK] =  &gcc_wdsp_q6ss_axim_clk.clkr,



};



static const struct qcom_reset_map gcc_qcs404_resets[] = {
@@ -2774,6 +2803,7 @@ static const struct qcom_reset_map gcc_qcs404_resets[] = { 
	[GCC_PCIE_0_SLEEP_ARES] = { 0x3e040, 1 },

	[GCC_PCIE_0_PIPE_ARES] = { 0x3e040, 0 },

	[GCC_EMAC_BCR] = { 0x4e000 },

	[GCC_WDSP_RESTART] = {0x19000},

};



static const struct regmap_config gcc_qcs404_regmap_config = {

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

+3 −0
Original line number Diff line number Diff line
@@ -146,6 +146,8 @@ 
#define GCC_MDP_TBU_CLK					138

#define GCC_QDSS_DAP_CLK				139

#define GCC_DCC_XO_CLK					140

#define GCC_WCSS_Q6_AHB_CLK				141

#define GCC_WCSS_Q6_AXIM_CLK				142

#define GCC_CDSP_CFG_AHB_CLK				143

#define GCC_BIMC_CDSP_CLK				144

#define GCC_CDSP_TBU_CLK				145
@@ -173,5 +175,6 @@ 
#define GCC_PCIE_0_CORE_STICKY_ARES			19

#define GCC_PCIE_0_SLEEP_ARES				20

#define GCC_PCIE_0_PIPE_ARES				21

#define GCC_WDSP_RESTART				22



#endif