Message-Id: <20250924-knp-mmclk-v1-9-d7ea96b4784a@oss.qualcomm.com>
Date: Wed, 24 Sep 2025 16:56:50 -0700
From: Jingyi Wang <jingyi.wang@....qualcomm.com>
To: Bjorn Andersson <andersson@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Vladimir Zapolskiy <vladimir.zapolskiy@...aro.org>,
        Jagadeesh Kona <quic_jkona@...cinc.com>,
        Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
        Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Taniya Das <taniya.das@....qualcomm.com>,
        Konrad Dybcio <konradybcio@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org,
        Jingyi Wang <jingyi.wang@....qualcomm.com>, aiqun.yu@....qualcomm.com,
        tingwei.zhang@....qualcomm.com, trilok.soni@....qualcomm.com,
        yijie.yang@....qualcomm.com
Subject: [PATCH 9/9] drivers: clk: qcom: Add support for GPUCC and GFXCLK
 for Kaanapali

From: Taniya Das <taniya.das@....qualcomm.com>

Support the graphics clock controller for Kaanapali for Graphics SW
driver to use the clocks.

Signed-off-by: Taniya Das <taniya.das@....qualcomm.com>
Signed-off-by: Jingyi Wang <jingyi.wang@....qualcomm.com>
---
 drivers/clk/qcom/Kconfig              |   9 +
 drivers/clk/qcom/Makefile             |   1 +
 drivers/clk/qcom/gpucc-kaanapali.c    | 494 ++++++++++++++++++++++++++++++++++
 drivers/clk/qcom/gxclkctl-kaanapali.c |  86 ++++++
 4 files changed, 590 insertions(+)

diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig
index e44df3df5986..b593acfe7438 100644
--- a/drivers/clk/qcom/Kconfig
+++ b/drivers/clk/qcom/Kconfig
@@ -66,6 +66,15 @@ config CLK_KAANAPALI_DISPCC
 	  Say Y if you want to support display devices and functionality such as
 	  splash screen.
 
+config CLK_KAANAPALI_GPUCC
+	tristate "KAANAPALI Graphics Clock Controller"
+	depends on ARM64 || COMPILE_TEST
+	select CLK_KAANAPALI_GCC
+	help
+	  Support for the graphics clock controller on KAANAPALI devices.
+	  Say Y if you want to support graphics controller devices and
+	  functionality such as 3D graphics.
+
 config CLK_KAANAPALI_VIDEOCC
 	tristate "KAANAPALI Video Clock Controller"
 	depends on ARM64 || COMPILE_TEST
diff --git a/drivers/clk/qcom/Makefile b/drivers/clk/qcom/Makefile
index 83d3c867b768..0d3e512af281 100644
--- a/drivers/clk/qcom/Makefile
+++ b/drivers/clk/qcom/Makefile
@@ -27,6 +27,7 @@ obj-$(CONFIG_CLK_GLYMUR_TCSRCC) += tcsrcc-glymur.o
 obj-$(CONFIG_CLK_KAANAPALI_CAMCC) += cambistmclkcc-kaanapali.o camcc-kaanapali.o
 obj-$(CONFIG_CLK_KAANAPALI_DISPCC) += dispcc-kaanapali.o
 obj-$(CONFIG_CLK_KAANAPALI_GCC) += gcc-kaanapali.o
+obj-$(CONFIG_CLK_KAANAPALI_GPUCC) += gpucc-kaanapali.o gxclkctl-kaanapali.o
 obj-$(CONFIG_CLK_KAANAPALI_VIDEOCC) += videocc-kaanapali.o
 obj-$(CONFIG_CLK_X1E80100_CAMCC) += camcc-x1e80100.o
 obj-$(CONFIG_CLK_X1E80100_DISPCC) += dispcc-x1e80100.o
diff --git a/drivers/clk/qcom/gpucc-kaanapali.c b/drivers/clk/qcom/gpucc-kaanapali.c
new file mode 100644
index 000000000000..41ed660fcc10
--- /dev/null
+++ b/drivers/clk/qcom/gpucc-kaanapali.c
@@ -0,0 +1,494 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/mod_devicetable.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+
+#include <dt-bindings/clock/qcom,kaanapali-gpucc.h>
+
+#include "clk-alpha-pll.h"
+#include "clk-branch.h"
+#include "clk-pll.h"
+#include "clk-rcg.h"
+#include "clk-regmap.h"
+#include "clk-regmap-divider.h"
+#include "clk-regmap-mux.h"
+#include "common.h"
+#include "gdsc.h"
+#include "reset.h"
+
+enum {
+	DT_BI_TCXO,
+	DT_GPLL0_OUT_MAIN,
+	DT_GPLL0_OUT_MAIN_DIV,
+};
+
+enum {
+	P_BI_TCXO,
+	P_GPLL0_OUT_MAIN,
+	P_GPLL0_OUT_MAIN_DIV,
+	P_GPU_CC_PLL0_OUT_EVEN,
+	P_GPU_CC_PLL0_OUT_MAIN,
+	P_GPU_CC_PLL0_OUT_ODD,
+};
+
+static const struct pll_vco taycan_eko_t_vco[] = {
+	{ 249600000, 2500000000, 0 },
+};
+
+/* 950.0 MHz Configuration */
+static const struct alpha_pll_config gpu_cc_pll0_config = {
+	.l = 0x31,
+	.cal_l = 0x48,
+	.alpha = 0x7aaa,
+	.config_ctl_val = 0x25c400e7,
+	.config_ctl_hi_val = 0x0a8062e0,
+	.config_ctl_hi1_val = 0xf51dea20,
+	.user_ctl_val = 0x00000408,
+	.user_ctl_hi_val = 0x00000002,
+};
+
+static struct clk_alpha_pll gpu_cc_pll0 = {
+	.offset = 0x0,
+	.config = &gpu_cc_pll0_config,
+	.vco_table = taycan_eko_t_vco,
+	.num_vco = ARRAY_SIZE(taycan_eko_t_vco),
+	.regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_TAYCAN_EKO_T],
+	.clkr = {
+		.hw.init = &(const struct clk_init_data) {
+			.name = "gpu_cc_pll0",
+			.parent_data = &(const struct clk_parent_data) {
+				.index = DT_BI_TCXO,
+			},
+			.num_parents = 1,
+			.ops = &clk_alpha_pll_taycan_eko_t_ops,
+		},
+	},
+};
+
+static const struct clk_div_table post_div_table_gpu_cc_pll0_out_even[] = {
+	{ 0x1, 2 },
+	{ }
+};
+
+static struct clk_alpha_pll_postdiv gpu_cc_pll0_out_even = {
+	.offset = 0x0,
+	.post_div_shift = 10,
+	.post_div_table = post_div_table_gpu_cc_pll0_out_even,
+	.num_post_div = ARRAY_SIZE(post_div_table_gpu_cc_pll0_out_even),
+	.width = 4,
+	.regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_TAYCAN_EKO_T],
+	.clkr.hw.init = &(const struct clk_init_data) {
+		.name = "gpu_cc_pll0_out_even",
+		.parent_hws = (const struct clk_hw*[]) {
+			&gpu_cc_pll0.clkr.hw,
+		},
+		.num_parents = 1,
+		.flags = CLK_SET_RATE_PARENT,
+		.ops = &clk_alpha_pll_postdiv_taycan_eko_t_ops,
+	},
+};
+
+static const struct parent_map gpu_cc_parent_map_0[] = {
+	{ P_BI_TCXO, 0 },
+	{ P_GPLL0_OUT_MAIN, 5 },
+	{ P_GPLL0_OUT_MAIN_DIV, 6 },
+};
+
+static const struct clk_parent_data gpu_cc_parent_data_0[] = {
+	{ .index = DT_BI_TCXO },
+	{ .index = DT_GPLL0_OUT_MAIN },
+	{ .index = DT_GPLL0_OUT_MAIN_DIV },
+};
+
+static const struct parent_map gpu_cc_parent_map_1[] = {
+	{ P_BI_TCXO, 0 },
+	{ P_GPU_CC_PLL0_OUT_MAIN, 1 },
+	{ P_GPU_CC_PLL0_OUT_EVEN, 2 },
+	{ P_GPU_CC_PLL0_OUT_ODD, 3 },
+	{ P_GPLL0_OUT_MAIN, 5 },
+	{ P_GPLL0_OUT_MAIN_DIV, 6 },
+};
+
+static const struct clk_parent_data gpu_cc_parent_data_1[] = {
+	{ .index = DT_BI_TCXO },
+	{ .hw = &gpu_cc_pll0.clkr.hw },
+	{ .hw = &gpu_cc_pll0_out_even.clkr.hw },
+	{ .hw = &gpu_cc_pll0.clkr.hw },
+	{ .index = DT_GPLL0_OUT_MAIN },
+	{ .index = DT_GPLL0_OUT_MAIN_DIV },
+};
+
+static const struct freq_tbl ftbl_gpu_cc_gmu_clk_src[] = {
+	F(19200000, P_BI_TCXO, 1, 0, 0),
+	F(475000000, P_GPU_CC_PLL0_OUT_EVEN, 1, 0, 0),
+	F(575000000, P_GPU_CC_PLL0_OUT_EVEN, 1, 0, 0),
+	F(700000000, P_GPU_CC_PLL0_OUT_EVEN, 1, 0, 0),
+	F(725000000, P_GPU_CC_PLL0_OUT_EVEN, 1, 0, 0),
+	F(750000000, P_GPU_CC_PLL0_OUT_EVEN, 1, 0, 0),
+	{ }
+};
+
+static struct clk_rcg2 gpu_cc_gmu_clk_src = {
+	.cmd_rcgr = 0x9318,
+	.mnd_width = 0,
+	.hid_width = 5,
+	.parent_map = gpu_cc_parent_map_1,
+	.hw_clk_ctrl = true,
+	.freq_tbl = ftbl_gpu_cc_gmu_clk_src,
+	.clkr.hw.init = &(const struct clk_init_data) {
+		.name = "gpu_cc_gmu_clk_src",
+		.parent_data = gpu_cc_parent_data_1,
+		.num_parents = ARRAY_SIZE(gpu_cc_parent_data_1),
+		.flags = CLK_SET_RATE_PARENT,
+		.ops = &clk_rcg2_shared_ops,
+	},
+};
+
+static const struct freq_tbl ftbl_gpu_cc_hub_clk_src[] = {
+	F(150000000, P_GPLL0_OUT_MAIN_DIV, 2, 0, 0),
+	F(200000000, P_GPLL0_OUT_MAIN, 3, 0, 0),
+	F(300000000, P_GPLL0_OUT_MAIN, 2, 0, 0),
+	F(400000000, P_GPLL0_OUT_MAIN, 1.5, 0, 0),
+	{ }
+};
+
+static struct clk_rcg2 gpu_cc_hub_clk_src = {
+	.cmd_rcgr = 0x93f0,
+	.mnd_width = 0,
+	.hid_width = 5,
+	.parent_map = gpu_cc_parent_map_1,
+	.hw_clk_ctrl = true,
+	.freq_tbl = ftbl_gpu_cc_hub_clk_src,
+	.clkr.hw.init = &(const struct clk_init_data) {
+		.name = "gpu_cc_hub_clk_src",
+		.parent_data = gpu_cc_parent_data_1,
+		.num_parents = ARRAY_SIZE(gpu_cc_parent_data_1),
+		.flags = CLK_SET_RATE_PARENT,
+		.ops = &clk_rcg2_shared_ops,
+	},
+};
+
+static struct clk_regmap_div gpu_cc_hub_div_clk_src = {
+	.reg = 0x9430,
+	.shift = 0,
+	.width = 4,
+	.clkr.hw.init = &(const struct clk_init_data) {
+		.name = "gpu_cc_hub_div_clk_src",
+		.parent_hws = (const struct clk_hw*[]) {
+			&gpu_cc_hub_clk_src.clkr.hw,
+		},
+		.num_parents = 1,
+		.flags = CLK_SET_RATE_PARENT,
+		.ops = &clk_regmap_div_ro_ops,
+	},
+};
+
+static struct clk_branch gpu_cc_ahb_clk = {
+	.halt_reg = 0x90bc,
+	.halt_check = BRANCH_HALT_DELAY,
+	.clkr = {
+		.enable_reg = 0x90bc,
+		.enable_mask = BIT(0),
+		.hw.init = &(const struct clk_init_data) {
+			.name = "gpu_cc_ahb_clk",
+			.parent_hws = (const struct clk_hw*[]) {
+				&gpu_cc_hub_div_clk_src.clkr.hw,
+			},
+			.num_parents = 1,
+			.flags = CLK_SET_RATE_PARENT,
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
+static struct clk_branch gpu_cc_cx_accu_shift_clk = {
+	.halt_reg = 0x9104,
+	.halt_check = BRANCH_HALT_VOTED,
+	.clkr = {
+		.enable_reg = 0x9104,
+		.enable_mask = BIT(0),
+		.hw.init = &(const struct clk_init_data) {
+			.name = "gpu_cc_cx_accu_shift_clk",
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
+static struct clk_branch gpu_cc_cx_gmu_clk = {
+	.halt_reg = 0x90d4,
+	.halt_check = BRANCH_HALT_VOTED,
+	.clkr = {
+		.enable_reg = 0x90d4,
+		.enable_mask = BIT(0),
+		.hw.init = &(const struct clk_init_data) {
+			.name = "gpu_cc_cx_gmu_clk",
+			.parent_hws = (const struct clk_hw*[]) {
+				&gpu_cc_gmu_clk_src.clkr.hw,
+			},
+			.num_parents = 1,
+			.flags = CLK_SET_RATE_PARENT,
+			.ops = &clk_branch2_aon_ops,
+		},
+	},
+};
+
+static struct clk_branch gpu_cc_cxo_clk = {
+	.halt_reg = 0x90e4,
+	.halt_check = BRANCH_HALT,
+	.clkr = {
+		.enable_reg = 0x90e4,
+		.enable_mask = BIT(0),
+		.hw.init = &(const struct clk_init_data) {
+			.name = "gpu_cc_cxo_clk",
+			.ops = &clk_branch2_aon_ops,
+		},
+	},
+};
+
+static struct clk_branch gpu_cc_demet_clk = {
+	.halt_reg = 0x9010,
+	.halt_check = BRANCH_HALT_VOTED,
+	.clkr = {
+		.enable_reg = 0x9010,
+		.enable_mask = BIT(0),
+		.hw.init = &(const struct clk_init_data) {
+			.name = "gpu_cc_demet_clk",
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
+static struct clk_branch gpu_cc_dpm_clk = {
+	.halt_reg = 0x9108,
+	.halt_check = BRANCH_HALT,
+	.clkr = {
+		.enable_reg = 0x9108,
+		.enable_mask = BIT(0),
+		.hw.init = &(const struct clk_init_data) {
+			.name = "gpu_cc_dpm_clk",
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
+static struct clk_branch gpu_cc_freq_measure_clk = {
+	.halt_reg = 0x900c,
+	.halt_check = BRANCH_HALT,
+	.clkr = {
+		.enable_reg = 0x900c,
+		.enable_mask = BIT(0),
+		.hw.init = &(const struct clk_init_data) {
+			.name = "gpu_cc_freq_measure_clk",
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
+static struct clk_branch gpu_cc_gpu_smmu_vote_clk = {
+	.halt_reg = 0x7000,
+	.halt_check = BRANCH_HALT_VOTED,
+	.clkr = {
+		.enable_reg = 0x7000,
+		.enable_mask = BIT(0),
+		.hw.init = &(const struct clk_init_data) {
+			.name = "gpu_cc_gpu_smmu_vote_clk",
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
+static struct clk_branch gpu_cc_gx_accu_shift_clk = {
+	.halt_reg = 0x9070,
+	.halt_check = BRANCH_HALT_VOTED,
+	.clkr = {
+		.enable_reg = 0x9070,
+		.enable_mask = BIT(0),
+		.hw.init = &(const struct clk_init_data) {
+			.name = "gpu_cc_gx_accu_shift_clk",
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
+static struct clk_branch gpu_cc_gx_gmu_clk = {
+	.halt_reg = 0x9060,
+	.halt_check = BRANCH_HALT,
+	.clkr = {
+		.enable_reg = 0x9060,
+		.enable_mask = BIT(0),
+		.hw.init = &(const struct clk_init_data) {
+			.name = "gpu_cc_gx_gmu_clk",
+			.parent_hws = (const struct clk_hw*[]) {
+				&gpu_cc_gmu_clk_src.clkr.hw,
+			},
+			.num_parents = 1,
+			.flags = CLK_SET_RATE_PARENT,
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
+static struct clk_branch gpu_cc_hub_aon_clk = {
+	.halt_reg = 0x93ec,
+	.halt_check = BRANCH_HALT_VOTED,
+	.clkr = {
+		.enable_reg = 0x93ec,
+		.enable_mask = BIT(0),
+		.hw.init = &(const struct clk_init_data) {
+			.name = "gpu_cc_hub_aon_clk",
+			.parent_hws = (const struct clk_hw*[]) {
+				&gpu_cc_hub_clk_src.clkr.hw,
+			},
+			.num_parents = 1,
+			.flags = CLK_SET_RATE_PARENT,
+			.ops = &clk_branch2_aon_ops,
+		},
+	},
+};
+
+static struct clk_branch gpu_cc_hub_cx_int_clk = {
+	.halt_reg = 0x90e8,
+	.halt_check = BRANCH_HALT_VOTED,
+	.clkr = {
+		.enable_reg = 0x90e8,
+		.enable_mask = BIT(0),
+		.hw.init = &(const struct clk_init_data) {
+			.name = "gpu_cc_hub_cx_int_clk",
+			.parent_hws = (const struct clk_hw*[]) {
+				&gpu_cc_hub_clk_src.clkr.hw,
+			},
+			.num_parents = 1,
+			.flags = CLK_SET_RATE_PARENT,
+			.ops = &clk_branch2_aon_ops,
+		},
+	},
+};
+
+static struct clk_branch gpu_cc_memnoc_gfx_clk = {
+	.halt_reg = 0x90ec,
+	.halt_check = BRANCH_HALT_VOTED,
+	.clkr = {
+		.enable_reg = 0x90ec,
+		.enable_mask = BIT(0),
+		.hw.init = &(const struct clk_init_data) {
+			.name = "gpu_cc_memnoc_gfx_clk",
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
+static struct gdsc gpu_cc_cx_gdsc = {
+	.gdscr = 0x9080,
+	.gds_hw_ctrl = 0x9094,
+	.en_rest_wait_val = 0x2,
+	.en_few_wait_val = 0x2,
+	.clk_dis_wait_val = 0x8,
+	.pd = {
+		.name = "gpu_cc_cx_gdsc",
+	},
+	.pwrsts = PWRSTS_OFF_ON,
+	.flags = POLL_CFG_GDSCR | RETAIN_FF_ENABLE,
+};
+
+static struct clk_regmap *gpu_cc_kaanapali_clocks[] = {
+	[GPU_CC_AHB_CLK] = &gpu_cc_ahb_clk.clkr,
+	[GPU_CC_CX_ACCU_SHIFT_CLK] = &gpu_cc_cx_accu_shift_clk.clkr,
+	[GPU_CC_CX_GMU_CLK] = &gpu_cc_cx_gmu_clk.clkr,
+	[GPU_CC_CXO_CLK] = &gpu_cc_cxo_clk.clkr,
+	[GPU_CC_DEMET_CLK] = &gpu_cc_demet_clk.clkr,
+	[GPU_CC_DPM_CLK] = &gpu_cc_dpm_clk.clkr,
+	[GPU_CC_FREQ_MEASURE_CLK] = &gpu_cc_freq_measure_clk.clkr,
+	[GPU_CC_GMU_CLK_SRC] = &gpu_cc_gmu_clk_src.clkr,
+	[GPU_CC_GPU_SMMU_VOTE_CLK] = &gpu_cc_gpu_smmu_vote_clk.clkr,
+	[GPU_CC_GX_ACCU_SHIFT_CLK] = &gpu_cc_gx_accu_shift_clk.clkr,
+	[GPU_CC_GX_GMU_CLK] = &gpu_cc_gx_gmu_clk.clkr,
+	[GPU_CC_HUB_AON_CLK] = &gpu_cc_hub_aon_clk.clkr,
+	[GPU_CC_HUB_CLK_SRC] = &gpu_cc_hub_clk_src.clkr,
+	[GPU_CC_HUB_CX_INT_CLK] = &gpu_cc_hub_cx_int_clk.clkr,
+	[GPU_CC_HUB_DIV_CLK_SRC] = &gpu_cc_hub_div_clk_src.clkr,
+	[GPU_CC_MEMNOC_GFX_CLK] = &gpu_cc_memnoc_gfx_clk.clkr,
+	[GPU_CC_PLL0] = &gpu_cc_pll0.clkr,
+	[GPU_CC_PLL0_OUT_EVEN] = &gpu_cc_pll0_out_even.clkr,
+};
+
+static struct gdsc *gpu_cc_kaanapali_gdscs[] = {
+	[GPU_CC_CX_GDSC] = &gpu_cc_cx_gdsc,
+};
+
+static const struct qcom_reset_map gpu_cc_kaanapali_resets[] = {
+	[GPU_CC_CB_BCR] = { 0x93a0 },
+	[GPU_CC_CX_BCR] = { 0x907c },
+	[GPU_CC_FAST_HUB_BCR] = { 0x93e4 },
+	[GPU_CC_FF_BCR] = { 0x9470 },
+	[GPU_CC_GMU_BCR] = { 0x9314 },
+	[GPU_CC_GX_BCR] = { 0x905c },
+	[GPU_CC_XO_BCR] = { 0x9000 },
+};
+
+static struct clk_alpha_pll *gpu_cc_kaanapali_plls[] = {
+	&gpu_cc_pll0,
+};
+
+static u32 gpu_cc_kaanapali_critical_cbcrs[] = {
+	0x9008, /* GPU_CC_CXO_AON_CLK */
+	0x93e8, /* GPU_CC_RSCC_HUB_AON_CLK */
+	0x9004, /* GPU_CC_RSCC_XO_AON_CLK */
+};
+
+static const struct regmap_config gpu_cc_kaanapali_regmap_config = {
+	.reg_bits = 32,
+	.reg_stride = 4,
+	.val_bits = 32,
+	.max_register = 0x95e8,
+	.fast_io = true,
+};
+
+static struct qcom_cc_driver_data gpu_cc_kaanapali_driver_data = {
+	.alpha_plls = gpu_cc_kaanapali_plls,
+	.num_alpha_plls = ARRAY_SIZE(gpu_cc_kaanapali_plls),
+	.clk_cbcrs = gpu_cc_kaanapali_critical_cbcrs,
+	.num_clk_cbcrs = ARRAY_SIZE(gpu_cc_kaanapali_critical_cbcrs),
+};
+
+static const struct qcom_cc_desc gpu_cc_kaanapali_desc = {
+	.config = &gpu_cc_kaanapali_regmap_config,
+	.clks = gpu_cc_kaanapali_clocks,
+	.num_clks = ARRAY_SIZE(gpu_cc_kaanapali_clocks),
+	.resets = gpu_cc_kaanapali_resets,
+	.num_resets = ARRAY_SIZE(gpu_cc_kaanapali_resets),
+	.gdscs = gpu_cc_kaanapali_gdscs,
+	.num_gdscs = ARRAY_SIZE(gpu_cc_kaanapali_gdscs),
+	.use_rpm = true,
+	.driver_data = &gpu_cc_kaanapali_driver_data,
+};
+
+static const struct of_device_id gpu_cc_kaanapali_match_table[] = {
+	{ .compatible = "qcom,kaanapali-gpucc" },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, gpu_cc_kaanapali_match_table);
+
+static int gpu_cc_kaanapali_probe(struct platform_device *pdev)
+{
+	return qcom_cc_probe(pdev, &gpu_cc_kaanapali_desc);
+}
+
+static struct platform_driver gpu_cc_kaanapali_driver = {
+	.probe = gpu_cc_kaanapali_probe,
+	.driver = {
+		.name = "gpucc-kaanapali",
+		.of_match_table = gpu_cc_kaanapali_match_table,
+	},
+};
+
+module_platform_driver(gpu_cc_kaanapali_driver);
+
+MODULE_DESCRIPTION("QTI GPUCC KAANAPALI Driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/clk/qcom/gxclkctl-kaanapali.c b/drivers/clk/qcom/gxclkctl-kaanapali.c
new file mode 100644
index 000000000000..358cbd0a52fd
--- /dev/null
+++ b/drivers/clk/qcom/gxclkctl-kaanapali.c
@@ -0,0 +1,86 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/mod_devicetable.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+
+#include <dt-bindings/clock/qcom,kaanapali-gxclkctl.h>
+
+#include "common.h"
+#include "gdsc.h"
+
+enum {
+	DT_BI_TCXO,
+};
+
+static struct gdsc gx_clkctl_gx_gdsc = {
+	.gdscr = 0x0,
+	.en_rest_wait_val = 0x2,
+	.en_few_wait_val = 0x2,
+	.clk_dis_wait_val = 0xf,
+	.pd = {
+		.name = "gx_clkctl_gx_gdsc",
+		.power_on = gdsc_gx_do_nothing_enable,
+	},
+	.pwrsts = PWRSTS_OFF_ON,
+	.flags = POLL_CFG_GDSCR | RETAIN_FF_ENABLE,
+};
+
+static struct gdsc *gx_clkctl_gdscs[] = {
+	[GX_CLKCTL_GX_GDSC] = &gx_clkctl_gx_gdsc,
+};
+
+static const struct regmap_config gx_clkctl_regmap_config = {
+	.reg_bits = 32,
+	.reg_stride = 4,
+	.val_bits = 32,
+	.max_register = 0x8,
+	.fast_io = true,
+};
+
+static const struct qcom_cc_desc gx_clkctl_kaanapali_desc = {
+	.config = &gx_clkctl_regmap_config,
+	.gdscs = gx_clkctl_gdscs,
+	.num_gdscs = ARRAY_SIZE(gx_clkctl_gdscs),
+	.use_rpm = true,
+};
+
+static const struct of_device_id gx_clkctl_kaanapali_match_table[] = {
+	{ .compatible = "qcom,kaanapali-gxclkctl" },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, gx_clkctl_kaanapali_match_table);
+
+static int gx_clkctl_kaanapali_probe(struct platform_device *pdev)
+{
+	return qcom_cc_probe(pdev, &gx_clkctl_kaanapali_desc);
+}
+
+static struct platform_driver gx_clkctl_kaanapali_driver = {
+	.probe = gx_clkctl_kaanapali_probe,
+	.driver = {
+		.name = "gxclkctl-kaanapali",
+		.of_match_table = gx_clkctl_kaanapali_match_table,
+	},
+};
+
+static int __init gx_clkctl_kaanapali_init(void)
+{
+	return platform_driver_register(&gx_clkctl_kaanapali_driver);
+}
+subsys_initcall(gx_clkctl_kaanapali_init);
+
+static void __exit gx_clkctl_kaanapali_exit(void)
+{
+	platform_driver_unregister(&gx_clkctl_kaanapali_driver);
+}
+module_exit(gx_clkctl_kaanapali_exit);
+
+MODULE_DESCRIPTION("QTI GFXCLKCTL KAANAPALI Driver");
+MODULE_LICENSE("GPL");

-- 
2.25.1

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