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Date:   Tue,  5 Mar 2019 21:51:48 -0800
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>
Cc:     Andy Gross <andy.gross@...aro.org>,
        David Brown <david.brown@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: [PATCH] clk: qcom: gcc-qcs404: Add CDSP related clocks and resets

Add the clocks and resets need in order to control the Turing
remoteproc.

Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
---
 drivers/clk/qcom/gcc-qcs404.c               | 90 +++++++++++++++++++++
 include/dt-bindings/clock/qcom,gcc-qcs404.h |  5 ++
 2 files changed, 95 insertions(+)

diff --git a/drivers/clk/qcom/gcc-qcs404.c b/drivers/clk/qcom/gcc-qcs404.c
index 5a62f64ada93..a54807eb3b28 100644
--- a/drivers/clk/qcom/gcc-qcs404.c
+++ b/drivers/clk/qcom/gcc-qcs404.c
@@ -260,6 +260,20 @@ static const char * const gcc_parent_names_15[] = {
 	"core_bi_pll_test_se",
 };
 
+static const struct parent_map gcc_parent_map_16[] = {
+	{ P_XO, 0 },
+	{ P_GPLL0_OUT_MAIN, 1 },
+	{ P_GPLL0_OUT_AUX, 2 },
+	{ P_CORE_BI_PLL_TEST_SE, 7 },
+};
+
+static const char * const gcc_parent_names_16[] = {
+	"cxo",
+	"gpll0_out_main",
+	"gpll0_out_aux",
+	"core_bi_pll_test_se",
+};
+
 static struct clk_fixed_factor cxo = {
 	.mult = 1,
 	.div = 1,
@@ -1194,6 +1208,28 @@ static struct clk_rcg2 vsync_clk_src = {
 	},
 };
 
+static const struct freq_tbl ftbl_cdsp_bimc_clk_src[] = {
+	F(19200000, P_XO, 1, 0, 0),
+	F(133333333, P_GPLL0_OUT_MAIN, 6, 0, 0),
+	F(266666667, P_GPLL0_OUT_MAIN, 3, 0, 0),
+	F(320000000, P_GPLL0_OUT_MAIN, 2.5, 0, 0),
+	{ }
+};
+
+static struct clk_rcg2 cdsp_bimc_clk_src = {
+	.cmd_rcgr = 0x5e010,
+	.mnd_width = 0,
+	.hid_width = 5,
+	.parent_map = gcc_parent_map_16,
+	.freq_tbl = ftbl_cdsp_bimc_clk_src,
+	.clkr.hw.init = &(struct clk_init_data) {
+		.name = "cdsp_bimc_clk_src",
+		.parent_names = gcc_parent_names_16,
+		.num_parents = 4,
+		.ops = &clk_rcg2_ops,
+	},
+};
+
 static struct clk_branch gcc_apss_ahb_clk = {
 	.halt_reg = 0x4601c,
 	.halt_check = BRANCH_HALT_VOTED,
@@ -1255,6 +1291,24 @@ static struct clk_branch gcc_bimc_gpu_clk = {
 	},
 };
 
+static struct clk_branch gcc_bimc_cdsp_clk = {
+	.halt_reg = 0x31030,
+	.halt_check = BRANCH_HALT,
+	.clkr = {
+		.enable_reg = 0x31030,
+		.enable_mask = BIT(0),
+		.hw.init = &(struct clk_init_data) {
+			.name = "gcc_bimc_cdsp_clk",
+			.parent_names = (const char *[]) {
+				"cdsp_bimc_clk_src",
+			},
+			.num_parents = 1,
+			.flags = CLK_SET_RATE_PARENT,
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
 static struct clk_branch gcc_bimc_mdss_clk = {
 	.halt_reg = 0x31038,
 	.halt_check = BRANCH_HALT,
@@ -1792,6 +1846,24 @@ static struct clk_branch gcc_gfx_tbu_clk = {
 	},
 };
 
+static struct clk_branch gcc_cdsp_tbu_clk = {
+	.halt_reg = 0x1203c,
+	.halt_check = BRANCH_VOTED,
+	.clkr = {
+		.enable_reg = 0x13020,
+		.enable_mask = BIT(9),
+		.hw.init = &(struct clk_init_data) {
+			.name = "gcc_cdsp_tbu_clk",
+			.parent_names = (const char *[]) {
+				"cdsp_bimc_clk_src",
+			},
+			.num_parents = 1,
+			.flags = CLK_SET_RATE_PARENT,
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
 static struct clk_branch gcc_gp1_clk = {
 	.halt_reg = 0x8000,
 	.halt_check = BRANCH_HALT,
@@ -2304,6 +2376,19 @@ static struct clk_branch gcc_sdcc1_ice_core_clk = {
 	},
 };
 
+static struct clk_branch gcc_cdsp_cfg_ahb_clk = {
+	.halt_reg = 0x5e004,
+	.halt_check = BRANCH_HALT,
+	.clkr = {
+		.enable_reg = 0x5e004,
+		.enable_mask = BIT(0),
+		.hw.init = &(struct clk_init_data) {
+			.name = "gcc_cdsp_cfg_ahb_cbcr",
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
 static struct clk_branch gcc_sdcc2_ahb_clk = {
 	.halt_reg = 0x4301c,
 	.halt_check = BRANCH_HALT,
@@ -2548,6 +2633,7 @@ static struct clk_regmap *gcc_qcs404_clocks[] = {
 	[GCC_ESC0_CLK_SRC] = &esc0_clk_src.clkr,
 	[GCC_APSS_AHB_CLK] = &gcc_apss_ahb_clk.clkr,
 	[GCC_BIMC_GFX_CLK] = &gcc_bimc_gfx_clk.clkr,
+	[GCC_BIMC_CDSP_CLK] = &gcc_bimc_cdsp_clk.clkr,
 	[GCC_BIMC_MDSS_CLK] = &gcc_bimc_mdss_clk.clkr,
 	[GCC_BLSP1_AHB_CLK] = &gcc_blsp1_ahb_clk.clkr,
 	[GCC_BLSP1_QUP0_I2C_APPS_CLK] = &gcc_blsp1_qup0_i2c_apps_clk.clkr,
@@ -2605,6 +2691,7 @@ static struct clk_regmap *gcc_qcs404_clocks[] = {
 	[GCC_SDCC1_AHB_CLK] = &gcc_sdcc1_ahb_clk.clkr,
 	[GCC_SDCC1_APPS_CLK] = &gcc_sdcc1_apps_clk.clkr,
 	[GCC_SDCC1_ICE_CORE_CLK] = &gcc_sdcc1_ice_core_clk.clkr,
+	[GCC_CDSP_CFG_AHB_CLK] = &gcc_cdsp_cfg_ahb_clk.clkr,
 	[GCC_SDCC2_AHB_CLK] = &gcc_sdcc2_ahb_clk.clkr,
 	[GCC_SDCC2_APPS_CLK] = &gcc_sdcc2_apps_clk.clkr,
 	[GCC_SYS_NOC_USB3_CLK] = &gcc_sys_noc_usb3_clk.clkr,
@@ -2645,6 +2732,7 @@ static struct clk_regmap *gcc_qcs404_clocks[] = {
 	[GCC_USB3_PHY_AUX_CLK_SRC] = &usb3_phy_aux_clk_src.clkr,
 	[GCC_USB_HS_SYSTEM_CLK_SRC] = &usb_hs_system_clk_src.clkr,
 	[GCC_VSYNC_CLK_SRC] = &vsync_clk_src.clkr,
+	[GCC_CDSP_BIMC_CLK_SRC] = &cdsp_bimc_clk_src.clkr,
 	[GCC_USB_HS_INACTIVITY_TIMERS_CLK] =
 			&gcc_usb_hs_inactivity_timers_clk.clkr,
 	[GCC_BIMC_GPU_CLK] = &gcc_bimc_gpu_clk.clkr,
@@ -2653,6 +2741,7 @@ static struct clk_regmap *gcc_qcs404_clocks[] = {
 	[GCC_GFX_TBU_CLK] = &gcc_gfx_tbu_clk.clkr,
 	[GCC_SMMU_CFG_CLK] = &gcc_smmu_cfg_clk.clkr,
 	[GCC_APSS_TCU_CLK] = &gcc_apss_tcu_clk.clkr,
+	[GCC_CDSP_TBU_CLK] = &gcc_cdsp_tbu_clk.clkr,
 	[GCC_CRYPTO_AHB_CLK] = &gcc_crypto_ahb_clk.clkr,
 	[GCC_CRYPTO_AXI_CLK] = &gcc_crypto_axi_clk.clkr,
 	[GCC_CRYPTO_CLK] = &gcc_crypto_clk.clkr,
@@ -2664,6 +2753,7 @@ static struct clk_regmap *gcc_qcs404_clocks[] = {
 
 static const struct qcom_reset_map gcc_qcs404_resets[] = {
 	[GCC_GENI_IR_BCR] = { 0x0F000 },
+	[GCC_CDSP_RESTART] = { 0x18000 },
 	[GCC_USB_HS_BCR] = { 0x41000 },
 	[GCC_USB2_HS_PHY_ONLY_BCR] = { 0x41034 },
 	[GCC_QUSB2_PHY_BCR] = { 0x4103c },
diff --git a/include/dt-bindings/clock/qcom,gcc-qcs404.h b/include/dt-bindings/clock/qcom,gcc-qcs404.h
index 6ceb55ed72c6..454b3f43f538 100644
--- a/include/dt-bindings/clock/qcom,gcc-qcs404.h
+++ b/include/dt-bindings/clock/qcom,gcc-qcs404.h
@@ -146,6 +146,10 @@
 #define GCC_MDP_TBU_CLK					138
 #define GCC_QDSS_DAP_CLK				139
 #define GCC_DCC_XO_CLK					140
+#define GCC_CDSP_CFG_AHB_CLK				143
+#define GCC_BIMC_CDSP_CLK				144
+#define GCC_CDSP_TBU_CLK				145
+#define GCC_CDSP_BIMC_CLK_SRC				146
 
 #define GCC_GENI_IR_BCR					0
 #define GCC_USB_HS_BCR					1
@@ -161,5 +165,6 @@
 #define GCC_PCIE_0_LINK_DOWN_BCR			11
 #define GCC_PCIEPHY_0_PHY_BCR				12
 #define GCC_EMAC_BCR					13
+#define GCC_CDSP_RESTART				14
 
 #endif
-- 
2.18.0

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