diff mbox series

[v5,1/7] clk: qcom: Add WCSS gcc clock control for QCS404

Message ID 20190726092332.25202-2-govinds@codeaurora.org (mailing list archive)
State Not Applicable, archived
Delegated to: Andy Gross
Headers show
Series Add non PAS wcss Q6 support for QCS404 | expand

Commit Message

Govind Singh July 26, 2019, 9:23 a.m. UTC 
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: Govind Singh <govinds@codeaurora.org>
---
 drivers/clk/qcom/gcc-qcs404.c               | 30 +++++++++++++++++++++
 include/dt-bindings/clock/qcom,gcc-qcs404.h |  3 +++
 2 files changed, 33 insertions(+)

Comments

Stephen Boyd Aug. 8, 2019, 3:10 p.m. UTC | #1 
Quoting Govind Singh (2019-07-26 02:23:26)
> 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: Govind Singh <govinds@codeaurora.org>
> ---

Applied to clk-next
diff mbox series

Patch

diff --git a/drivers/clk/qcom/gcc-qcs404.c b/drivers/clk/qcom/gcc-qcs404.c
index 29cf464dd2c8..e12c04c09a6a 100644
--- a/drivers/clk/qcom/gcc-qcs404.c
+++ b/drivers/clk/qcom/gcc-qcs404.c
@@ -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 = {
diff --git a/include/dt-bindings/clock/qcom,gcc-qcs404.h b/include/dt-bindings/clock/qcom,gcc-qcs404.h
index 2cd62c98561f..bc3051543347 100644
--- a/include/dt-bindings/clock/qcom,gcc-qcs404.h
+++ b/include/dt-bindings/clock/qcom,gcc-qcs404.h
@@ -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