From: Taniya Das <taniya.das@oss.qualcomm.com>
To: Bjorn Andersson <andersson@kernel.org>,
Stephen Boyd <sboyd@kernel.org>,
Brian Masney <bmasney+clk@redhat.com>,
Jerome Brunet <jbrunet+clk@baylibre.com>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Shawn Guo <shengchao.guo@oss.qualcomm.com>,
Abel Vesa <abelvesa@kernel.org>
Cc: Ajit Pandey <ajit.pandey@oss.qualcomm.com>,
Imran Shaik <imran.shaik@oss.qualcomm.com>,
Jagadeesh Kona <jagadeesh.kona@oss.qualcomm.com>,
linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org,
linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
Taniya Das <taniya.das@oss.qualcomm.com>,
Abel Vesa <abel.vesa@oss.qualcomm.com>
Subject: [PATCH v2 3/3] clk: qcom: dprxcc: Add Nord DPRX clock controller support
Date: Thu, 24 Sep 2026 00:51:33 +0530 [thread overview]
Message-ID: <20260924-nords_dprx-v2-3-fa4364e087ef@oss.qualcomm.com> (raw)
In-Reply-To: <20260924-nords_dprx-v2-0-fa4364e087ef@oss.qualcomm.com>
Add support for the DisplayPort Receiver (DPRX) clock controllers on
Nord devices. There are two identical DPRX clock controller
instances (DPRX0 and DPRX1), each providing clocks for the DPRX core,
audio, AHB and video memory paths, along with core PLLs.
Reviewed-by: Abel Vesa <abel.vesa@oss.qualcomm.com>
Signed-off-by: Taniya Das <taniya.das@oss.qualcomm.com>
---
drivers/clk/qcom/Kconfig | 11 +
drivers/clk/qcom/Makefile | 1 +
drivers/clk/qcom/dprxcc0-nord.c | 434 ++++++++++++++++++++++++++++++++++++++++
drivers/clk/qcom/dprxcc1-nord.c | 433 +++++++++++++++++++++++++++++++++++++++
4 files changed, 879 insertions(+)
diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig
index 3bf39a2c54c85ee7d0c59608ad71b8ec6c899020..0fd6f5642db23599be8f0365e73faec5451e6411 100644
--- a/drivers/clk/qcom/Kconfig
+++ b/drivers/clk/qcom/Kconfig
@@ -255,6 +255,17 @@ config CLK_NORD_CAMCC
Say Y if you want to support camera devices and functionality such as
capturing pictures.
+config CLK_NORD_DPRXCC
+ tristate "Nord DPRX Clock Controller"
+ depends on ARM64 || COMPILE_TEST
+ select CLK_NORD_GCC
+ default m if ARCH_QCOM
+ help
+ Support for the Display Port Receiver (DPRX) clock controller on
+ Nord devices. The DPRX clock controller provides clocks for the
+ DPRX core, audio, AHB and video memory paths.
+ Say Y if you want to support DPRX functionality.
+
config CLK_NORD_GCC
tristate "Nord Global Clock Controller"
depends on ARM64 || COMPILE_TEST
diff --git a/drivers/clk/qcom/Makefile b/drivers/clk/qcom/Makefile
index bd70e18a7118126fa20427b3366956075cecb00f..f5294bb67e9a8387c40e629c2ec150e4dd4848b2 100644
--- a/drivers/clk/qcom/Makefile
+++ b/drivers/clk/qcom/Makefile
@@ -50,6 +50,7 @@ obj-$(CONFIG_CLK_KUNO_GCC) += gcc-kuno.o
obj-$(CONFIG_CLK_MAILI_VIDEOCC) += videocc-maili.o
obj-$(CONFIG_CLK_NORD_CAMCC) += camcc-nord.o
obj-$(CONFIG_CLK_NORD_DISPCC) += dispcc0-nord.o dispcc1-nord.o
+obj-$(CONFIG_CLK_NORD_DPRXCC) += dprxcc0-nord.o dprxcc1-nord.o
obj-$(CONFIG_CLK_NORD_GCC) += gcc-nord.o negcc-nord.o nwgcc-nord.o segcc-nord.o
obj-$(CONFIG_CLK_NORD_GPUCC) += gpucc-nord.o gpu2cc-nord.o
obj-$(CONFIG_CLK_NORD_TCSRCC) += tcsrcc-nord.o
diff --git a/drivers/clk/qcom/dprxcc0-nord.c b/drivers/clk/qcom/dprxcc0-nord.c
new file mode 100644
index 0000000000000000000000000000000000000000..d17b9338f33bf4864d8a5968ada3806a921fe68e
--- /dev/null
+++ b/drivers/clk/qcom/dprxcc0-nord.c
@@ -0,0 +1,434 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+
+#include <dt-bindings/clock/qcom,nord-dprxcc.h>
+
+#include "clk-alpha-pll.h"
+#include "clk-branch.h"
+#include "clk-rcg.h"
+#include "clk-regmap.h"
+#include "clk-regmap-divider.h"
+#include "common.h"
+#include "reset.h"
+
+enum {
+ DT_BI_TCXO,
+ DT_AHB_CLK,
+ DT_SLEEP_CLK,
+};
+
+enum {
+ P_BI_TCXO,
+ P_DPRX_0_DPRX_CC_PLL0_OUT_EVEN,
+ P_DPRX_0_DPRX_CC_PLL0_OUT_MAIN,
+ P_DPRX_0_DPRX_CC_PLL0_OUT_ODD,
+ P_DPRX_0_DPRX_CC_PLL1_OUT_EVEN,
+ P_DPRX_0_DPRX_CC_PLL1_OUT_MAIN,
+ P_SLEEP_CLK,
+};
+
+static const struct pll_vco lucid_ole_vco[] = {
+ { 249600000, 2300000000, 0 },
+};
+
+static const struct pll_vco zonda_ole_vco[] = {
+ { 700000000, 3600000000, 0 },
+};
+
+/* 550.0 MHz Configuration */
+static const struct alpha_pll_config dprx_0_dprx_cc_pll0_config = {
+ .l = 0x1c,
+ .alpha = 0xa555,
+ .config_ctl_val = 0x20485699,
+ .config_ctl_hi_val = 0x00182261,
+ .config_ctl_hi1_val = 0x82aa299c,
+ .test_ctl_val = 0x00000000,
+ .test_ctl_hi_val = 0x00000003,
+ .test_ctl_hi1_val = 0x00009000,
+ .test_ctl_hi2_val = 0x00000034,
+ .user_ctl_val = 0x00000000,
+ .user_ctl_hi_val = 0x00400005,
+};
+
+static struct clk_alpha_pll dprx_0_dprx_cc_pll0 = {
+ .offset = 0x0,
+ .config = &dprx_0_dprx_cc_pll0_config,
+ .vco_table = lucid_ole_vco,
+ .num_vco = ARRAY_SIZE(lucid_ole_vco),
+ .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID_OLE],
+ .clkr = {
+ .hw.init = &(const struct clk_init_data) {
+ .name = "dprx_0_dprx_cc_pll0",
+ .parent_data = &(const struct clk_parent_data) {
+ .index = DT_BI_TCXO,
+ },
+ .num_parents = 1,
+ .ops = &clk_alpha_pll_lucid_evo_ops,
+ },
+ },
+};
+
+/* 1080.0 MHz Configuration */
+static const struct alpha_pll_config dprx_0_dprx_cc_pll1_config = {
+ .l = 0x38,
+ .alpha = 0x4000000,
+ .config_ctl_val = 0x08240800,
+ .config_ctl_hi_val = 0x05008001,
+ .config_ctl_hi1_val = 0x00000000,
+ .config_ctl_hi2_val = 0x00000000,
+ .user_ctl_val = 0x00000000,
+ .user_ctl_hi_val = 0x02000080,
+};
+
+static struct clk_alpha_pll dprx_0_dprx_cc_pll1 = {
+ .offset = 0x1000,
+ .alpha_width = 28,
+ .config = &dprx_0_dprx_cc_pll1_config,
+ .vco_table = zonda_ole_vco,
+ .num_vco = ARRAY_SIZE(zonda_ole_vco),
+ .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_ZONDA_OLE],
+ .clkr = {
+ .hw.init = &(const struct clk_init_data) {
+ .name = "dprx_0_dprx_cc_pll1",
+ .parent_data = &(const struct clk_parent_data) {
+ .index = DT_BI_TCXO,
+ },
+ .num_parents = 1,
+ .ops = &clk_alpha_pll_zonda_ole_ops,
+ },
+ },
+};
+
+static const struct parent_map dprx_cc_0_parent_map_0[] = {
+ { P_BI_TCXO, 0 },
+ { P_DPRX_0_DPRX_CC_PLL0_OUT_EVEN, 1 },
+ { P_DPRX_0_DPRX_CC_PLL0_OUT_ODD, 2 },
+ { P_DPRX_0_DPRX_CC_PLL0_OUT_MAIN, 4 },
+ { P_SLEEP_CLK, 5 },
+};
+
+static const struct clk_parent_data dprx_cc_0_parent_data_0[] = {
+ { .index = DT_BI_TCXO },
+ { .hw = &dprx_0_dprx_cc_pll0.clkr.hw },
+ { .hw = &dprx_0_dprx_cc_pll0.clkr.hw },
+ { .hw = &dprx_0_dprx_cc_pll0.clkr.hw },
+ { .index = DT_SLEEP_CLK },
+};
+
+static const struct parent_map dprx_cc_0_parent_map_1[] = {
+ { P_BI_TCXO, 0 },
+ { P_DPRX_0_DPRX_CC_PLL1_OUT_EVEN, 3 },
+ { P_SLEEP_CLK, 5 },
+ { P_DPRX_0_DPRX_CC_PLL1_OUT_MAIN, 6 },
+};
+
+static const struct clk_parent_data dprx_cc_0_parent_data_1[] = {
+ { .index = DT_BI_TCXO },
+ { .hw = &dprx_0_dprx_cc_pll1.clkr.hw },
+ { .index = DT_SLEEP_CLK },
+ { .hw = &dprx_0_dprx_cc_pll1.clkr.hw },
+};
+
+static const struct freq_tbl ftbl_dprx_0_dprx_cc_audio_clk_src[] = {
+ F(216000000, P_DPRX_0_DPRX_CC_PLL1_OUT_MAIN, 5, 0, 0),
+ F(300000000, P_DPRX_0_DPRX_CC_PLL1_OUT_MAIN, 5, 0, 0),
+ F(360000000, P_DPRX_0_DPRX_CC_PLL1_OUT_MAIN, 5, 0, 0),
+ { }
+};
+
+static struct clk_rcg2 dprx_0_dprx_cc_audio_clk_src = {
+ .cmd_rcgr = 0x80c8,
+ .mnd_width = 0,
+ .hid_width = 5,
+ .parent_map = dprx_cc_0_parent_map_1,
+ .freq_tbl = ftbl_dprx_0_dprx_cc_audio_clk_src,
+ .hw_clk_ctrl = true,
+ .clkr.hw.init = &(const struct clk_init_data) {
+ .name = "dprx_0_dprx_cc_audio_clk_src",
+ .parent_data = dprx_cc_0_parent_data_1,
+ .num_parents = ARRAY_SIZE(dprx_cc_0_parent_data_1),
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_rcg2_shared_ops,
+ },
+};
+
+static const struct freq_tbl ftbl_dprx_0_dprx_cc_core_rcg0_clk_src[] = {
+ F(220000000, P_DPRX_0_DPRX_CC_PLL0_OUT_MAIN, 2.5, 0, 0),
+ F(440000000, P_DPRX_0_DPRX_CC_PLL0_OUT_MAIN, 2.5, 0, 0),
+ { }
+};
+
+static struct clk_rcg2 dprx_0_dprx_cc_core_rcg0_clk_src = {
+ .cmd_rcgr = 0x8004,
+ .mnd_width = 0,
+ .hid_width = 5,
+ .parent_map = dprx_cc_0_parent_map_0,
+ .freq_tbl = ftbl_dprx_0_dprx_cc_core_rcg0_clk_src,
+ .hw_clk_ctrl = true,
+ .clkr.hw.init = &(const struct clk_init_data) {
+ .name = "dprx_0_dprx_cc_core_rcg0_clk_src",
+ .parent_data = dprx_cc_0_parent_data_0,
+ .num_parents = ARRAY_SIZE(dprx_cc_0_parent_data_0),
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_rcg2_shared_ops,
+ },
+};
+
+static const struct freq_tbl ftbl_dprx_0_dprx_cc_core_rcg2_clk_src[] = {
+ F(275000000, P_DPRX_0_DPRX_CC_PLL0_OUT_MAIN, 2, 0, 0),
+ F(440000000, P_DPRX_0_DPRX_CC_PLL0_OUT_MAIN, 2.5, 0, 0),
+ F(550000000, P_DPRX_0_DPRX_CC_PLL0_OUT_MAIN, 2, 0, 0),
+ { }
+};
+
+static struct clk_rcg2 dprx_0_dprx_cc_core_rcg2_clk_src = {
+ .cmd_rcgr = 0x8068,
+ .mnd_width = 0,
+ .hid_width = 5,
+ .parent_map = dprx_cc_0_parent_map_0,
+ .freq_tbl = ftbl_dprx_0_dprx_cc_core_rcg2_clk_src,
+ .hw_clk_ctrl = true,
+ .clkr.hw.init = &(const struct clk_init_data) {
+ .name = "dprx_0_dprx_cc_core_rcg2_clk_src",
+ .parent_data = dprx_cc_0_parent_data_0,
+ .num_parents = ARRAY_SIZE(dprx_cc_0_parent_data_0),
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_rcg2_shared_ops,
+ },
+};
+
+static const struct freq_tbl ftbl_dprx_0_dprx_cc_core_rcg3_clk_src[] = {
+ F(275000000, P_DPRX_0_DPRX_CC_PLL0_OUT_MAIN, 2, 0, 0),
+ F(550000000, P_DPRX_0_DPRX_CC_PLL0_OUT_MAIN, 2, 0, 0),
+ { }
+};
+
+static struct clk_rcg2 dprx_0_dprx_cc_core_rcg3_clk_src = {
+ .cmd_rcgr = 0x8098,
+ .mnd_width = 0,
+ .hid_width = 5,
+ .parent_map = dprx_cc_0_parent_map_0,
+ .freq_tbl = ftbl_dprx_0_dprx_cc_core_rcg3_clk_src,
+ .hw_clk_ctrl = true,
+ .clkr.hw.init = &(const struct clk_init_data) {
+ .name = "dprx_0_dprx_cc_core_rcg3_clk_src",
+ .parent_data = dprx_cc_0_parent_data_0,
+ .num_parents = ARRAY_SIZE(dprx_cc_0_parent_data_0),
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_rcg2_shared_ops,
+ },
+};
+
+static struct clk_regmap_div dprx_0_dprx_cc_core_ahb_div_clk_src = {
+ .reg = 0x80b0,
+ .shift = 0,
+ .width = 4,
+ .clkr.hw.init = &(const struct clk_init_data) {
+ .name = "dprx_0_dprx_cc_core_ahb_div_clk_src",
+ .parent_hws = (const struct clk_hw*[]) {
+ &dprx_0_dprx_cc_core_rcg3_clk_src.clkr.hw,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_regmap_div_ro_ops,
+ },
+};
+
+static struct clk_regmap_div dprx_0_dprx_cc_core_aud_div_clk_src = {
+ .reg = 0x80d0,
+ .shift = 0,
+ .width = 9,
+ .clkr.hw.init = &(const struct clk_init_data) {
+ .name = "dprx_0_dprx_cc_core_aud_div_clk_src",
+ .parent_hws = (const struct clk_hw*[]) {
+ &dprx_0_dprx_cc_audio_clk_src.clkr.hw,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_regmap_div_ro_ops,
+ },
+};
+
+static struct clk_branch dprx_0_dprx_cc_ahb_clk = {
+ .halt_reg = 0x80b4,
+ .halt_check = BRANCH_HALT_VOTED,
+ .hwcg_reg = 0x80b4,
+ .hwcg_bit = 1,
+ .clkr = {
+ .enable_reg = 0x80b4,
+ .enable_mask = BIT(0),
+ .hw.init = &(const struct clk_init_data) {
+ .name = "dprx_0_dprx_cc_ahb_clk",
+ .parent_hws = (const struct clk_hw*[]) {
+ &dprx_0_dprx_cc_core_ahb_div_clk_src.clkr.hw,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch dprx_0_dprx_cc_aud_clk = {
+ .halt_reg = 0x80d4,
+ .halt_check = BRANCH_HALT_VOTED,
+ .hwcg_reg = 0x80d4,
+ .hwcg_bit = 1,
+ .clkr = {
+ .enable_reg = 0x80d4,
+ .enable_mask = BIT(0),
+ .hw.init = &(const struct clk_init_data) {
+ .name = "dprx_0_dprx_cc_aud_clk",
+ .parent_hws = (const struct clk_hw*[]) {
+ &dprx_0_dprx_cc_core_aud_div_clk_src.clkr.hw,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch dprx_0_dprx_cc_mdp_mem_clk = {
+ .halt_reg = 0x8088,
+ .halt_check = BRANCH_HALT_VOTED,
+ .hwcg_reg = 0x8088,
+ .hwcg_bit = 1,
+ .clkr = {
+ .enable_reg = 0x8088,
+ .enable_mask = BIT(0),
+ .hw.init = &(const struct clk_init_data) {
+ .name = "dprx_0_dprx_cc_mdp_mem_clk",
+ .parent_hws = (const struct clk_hw*[]) {
+ &dprx_0_dprx_cc_core_rcg2_clk_src.clkr.hw,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch dprx_0_dprx_cc_mmcx_xo_clk = {
+ .halt_reg = 0x80d8,
+ .halt_check = BRANCH_HALT_VOTED,
+ .hwcg_reg = 0x80d8,
+ .hwcg_bit = 1,
+ .clkr = {
+ .enable_reg = 0x80d8,
+ .enable_mask = BIT(0),
+ .hw.init = &(const struct clk_init_data) {
+ .name = "dprx_0_dprx_cc_mmcx_xo_clk",
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch dprx_0_dprx_cc_vid_mem_clk = {
+ .halt_reg = 0x8028,
+ .halt_check = BRANCH_HALT_VOTED,
+ .hwcg_reg = 0x8028,
+ .hwcg_bit = 1,
+ .clkr = {
+ .enable_reg = 0x8028,
+ .enable_mask = BIT(0),
+ .hw.init = &(const struct clk_init_data) {
+ .name = "dprx_0_dprx_cc_vid_mem_clk",
+ .parent_hws = (const struct clk_hw*[]) {
+ &dprx_0_dprx_cc_core_rcg0_clk_src.clkr.hw,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_regmap *dprx_cc_0_nord_clocks[] = {
+ [DPRX_CC_AHB_CLK] = &dprx_0_dprx_cc_ahb_clk.clkr,
+ [DPRX_CC_AUD_CLK] = &dprx_0_dprx_cc_aud_clk.clkr,
+ [DPRX_CC_AUDIO_CLK_SRC] = &dprx_0_dprx_cc_audio_clk_src.clkr,
+ [DPRX_CC_CORE_AHB_DIV_CLK_SRC] = &dprx_0_dprx_cc_core_ahb_div_clk_src.clkr,
+ [DPRX_CC_CORE_AUD_DIV_CLK_SRC] = &dprx_0_dprx_cc_core_aud_div_clk_src.clkr,
+ [DPRX_CC_CORE_RCG0_CLK_SRC] = &dprx_0_dprx_cc_core_rcg0_clk_src.clkr,
+ [DPRX_CC_CORE_RCG2_CLK_SRC] = &dprx_0_dprx_cc_core_rcg2_clk_src.clkr,
+ [DPRX_CC_CORE_RCG3_CLK_SRC] = &dprx_0_dprx_cc_core_rcg3_clk_src.clkr,
+
+ [DPRX_CC_MDP_MEM_CLK] = &dprx_0_dprx_cc_mdp_mem_clk.clkr,
+ [DPRX_CC_MMCX_XO_CLK] = &dprx_0_dprx_cc_mmcx_xo_clk.clkr,
+ [DPRX_CC_PLL0] = &dprx_0_dprx_cc_pll0.clkr,
+ [DPRX_CC_PLL1] = &dprx_0_dprx_cc_pll1.clkr,
+ [DPRX_CC_VID_MEM_CLK] = &dprx_0_dprx_cc_vid_mem_clk.clkr,
+};
+
+static const struct qcom_reset_map dprx_cc_0_nord_resets[] = {
+ [DPRX_CC_DPRX_BLK_BCR] = { 0x8000 },
+};
+
+static struct clk_alpha_pll *dprx_cc_0_nord_plls[] = {
+ &dprx_0_dprx_cc_pll0,
+ &dprx_0_dprx_cc_pll1,
+};
+
+static const struct regmap_config dprx_cc_0_nord_regmap_config = {
+ .reg_bits = 32,
+ .reg_stride = 4,
+ .val_bits = 32,
+ .max_register = 0x8104,
+ .fast_io = true,
+};
+
+static void dprx_cc_0_nord_regs_configure(struct device *dev, struct regmap *regmap)
+{
+ /*
+ * Configure cdiv 20 for core aud and 11 for core ahb clks of DPRX CC
+ */
+ regmap_write(regmap, dprx_0_dprx_cc_core_aud_div_clk_src.reg, 0x13);
+ regmap_write(regmap, dprx_0_dprx_cc_core_ahb_div_clk_src.reg, 0x0A);
+}
+
+static const struct qcom_cc_driver_data dprx_cc_0_nord_driver_data = {
+ .alpha_plls = dprx_cc_0_nord_plls,
+ .num_alpha_plls = ARRAY_SIZE(dprx_cc_0_nord_plls),
+ .clk_regs_configure = dprx_cc_0_nord_regs_configure,
+};
+
+static const struct qcom_cc_desc dprx_cc_0_nord_desc = {
+ .config = &dprx_cc_0_nord_regmap_config,
+ .clks = dprx_cc_0_nord_clocks,
+ .num_clks = ARRAY_SIZE(dprx_cc_0_nord_clocks),
+ .resets = dprx_cc_0_nord_resets,
+ .num_resets = ARRAY_SIZE(dprx_cc_0_nord_resets),
+ .driver_data = &dprx_cc_0_nord_driver_data,
+};
+
+static const struct of_device_id dprx_cc_0_nord_match_table[] = {
+ { .compatible = "qcom,nord-dprxcc0" },
+ { }
+};
+MODULE_DEVICE_TABLE(of, dprx_cc_0_nord_match_table);
+
+static int dprx_cc_0_nord_probe(struct platform_device *pdev)
+{
+ return qcom_cc_probe(pdev, &dprx_cc_0_nord_desc);
+}
+
+static struct platform_driver dprx_cc_0_nord_driver = {
+ .probe = dprx_cc_0_nord_probe,
+ .driver = {
+ .name = "dprxcc0-nord",
+ .of_match_table = dprx_cc_0_nord_match_table,
+ },
+};
+
+module_platform_driver(dprx_cc_0_nord_driver);
+
+MODULE_DESCRIPTION("QTI DPRXCC0 NORD Driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/clk/qcom/dprxcc1-nord.c b/drivers/clk/qcom/dprxcc1-nord.c
new file mode 100644
index 0000000000000000000000000000000000000000..851a97c196c0ae3c022858bb18f62bf295199d68
--- /dev/null
+++ b/drivers/clk/qcom/dprxcc1-nord.c
@@ -0,0 +1,433 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+
+#include <dt-bindings/clock/qcom,nord-dprxcc.h>
+
+#include "clk-alpha-pll.h"
+#include "clk-branch.h"
+#include "clk-rcg.h"
+#include "clk-regmap.h"
+#include "clk-regmap-divider.h"
+#include "common.h"
+#include "reset.h"
+
+enum {
+ DT_BI_TCXO,
+ DT_AHB_CLK,
+ DT_SLEEP_CLK,
+};
+
+enum {
+ P_BI_TCXO,
+ P_DPRX_1_DPRX_CC_PLL0_OUT_EVEN,
+ P_DPRX_1_DPRX_CC_PLL0_OUT_MAIN,
+ P_DPRX_1_DPRX_CC_PLL0_OUT_ODD,
+ P_DPRX_1_DPRX_CC_PLL1_OUT_EVEN,
+ P_DPRX_1_DPRX_CC_PLL1_OUT_MAIN,
+ P_SLEEP_CLK,
+};
+
+static const struct pll_vco lucid_ole_vco[] = {
+ { 249600000, 2300000000, 0 },
+};
+
+static const struct pll_vco zonda_ole_vco[] = {
+ { 700000000, 3600000000, 0 },
+};
+
+/* 550.0 MHz Configuration */
+static const struct alpha_pll_config dprx_1_dprx_cc_pll0_config = {
+ .l = 0x1c,
+ .alpha = 0xa555,
+ .config_ctl_val = 0x20485699,
+ .config_ctl_hi_val = 0x00182261,
+ .config_ctl_hi1_val = 0x82aa299c,
+ .test_ctl_val = 0x00000000,
+ .test_ctl_hi_val = 0x00000003,
+ .test_ctl_hi1_val = 0x00009000,
+ .test_ctl_hi2_val = 0x00000034,
+ .user_ctl_val = 0x00000000,
+ .user_ctl_hi_val = 0x00400005,
+};
+
+static struct clk_alpha_pll dprx_1_dprx_cc_pll0 = {
+ .offset = 0x0,
+ .config = &dprx_1_dprx_cc_pll0_config,
+ .vco_table = lucid_ole_vco,
+ .num_vco = ARRAY_SIZE(lucid_ole_vco),
+ .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID_OLE],
+ .clkr = {
+ .hw.init = &(const struct clk_init_data) {
+ .name = "dprx_1_dprx_cc_pll0",
+ .parent_data = &(const struct clk_parent_data) {
+ .index = DT_BI_TCXO,
+ },
+ .num_parents = 1,
+ .ops = &clk_alpha_pll_lucid_evo_ops,
+ },
+ },
+};
+
+/* 1080.0 MHz Configuration */
+static const struct alpha_pll_config dprx_1_dprx_cc_pll1_config = {
+ .l = 0x38,
+ .alpha = 0x4000000,
+ .config_ctl_val = 0x08240800,
+ .config_ctl_hi_val = 0x05008001,
+ .config_ctl_hi1_val = 0x00000000,
+ .config_ctl_hi2_val = 0x00000000,
+ .user_ctl_val = 0x00000000,
+ .user_ctl_hi_val = 0x02000080,
+};
+
+static struct clk_alpha_pll dprx_1_dprx_cc_pll1 = {
+ .offset = 0x1000,
+ .alpha_width = 28,
+ .config = &dprx_1_dprx_cc_pll1_config,
+ .vco_table = zonda_ole_vco,
+ .num_vco = ARRAY_SIZE(zonda_ole_vco),
+ .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_ZONDA_OLE],
+ .clkr = {
+ .hw.init = &(const struct clk_init_data) {
+ .name = "dprx_1_dprx_cc_pll1",
+ .parent_data = &(const struct clk_parent_data) {
+ .index = DT_BI_TCXO,
+ },
+ .num_parents = 1,
+ .ops = &clk_alpha_pll_zonda_ole_ops,
+ },
+ },
+};
+
+static const struct parent_map dprx_cc_1_parent_map_0[] = {
+ { P_BI_TCXO, 0 },
+ { P_DPRX_1_DPRX_CC_PLL0_OUT_EVEN, 1 },
+ { P_DPRX_1_DPRX_CC_PLL0_OUT_ODD, 2 },
+ { P_DPRX_1_DPRX_CC_PLL0_OUT_MAIN, 4 },
+ { P_SLEEP_CLK, 5 },
+};
+
+static const struct clk_parent_data dprx_cc_1_parent_data_0[] = {
+ { .index = DT_BI_TCXO },
+ { .hw = &dprx_1_dprx_cc_pll0.clkr.hw },
+ { .hw = &dprx_1_dprx_cc_pll0.clkr.hw },
+ { .hw = &dprx_1_dprx_cc_pll0.clkr.hw },
+ { .index = DT_SLEEP_CLK },
+};
+
+static const struct parent_map dprx_cc_1_parent_map_1[] = {
+ { P_BI_TCXO, 0 },
+ { P_DPRX_1_DPRX_CC_PLL1_OUT_EVEN, 3 },
+ { P_SLEEP_CLK, 5 },
+ { P_DPRX_1_DPRX_CC_PLL1_OUT_MAIN, 6 },
+};
+
+static const struct clk_parent_data dprx_cc_1_parent_data_1[] = {
+ { .index = DT_BI_TCXO },
+ { .hw = &dprx_1_dprx_cc_pll1.clkr.hw },
+ { .index = DT_SLEEP_CLK },
+ { .hw = &dprx_1_dprx_cc_pll1.clkr.hw },
+};
+
+static const struct freq_tbl ftbl_dprx_1_dprx_cc_audio_clk_src[] = {
+ F(216000000, P_DPRX_1_DPRX_CC_PLL1_OUT_MAIN, 5, 0, 0),
+ F(300000000, P_DPRX_1_DPRX_CC_PLL1_OUT_MAIN, 5, 0, 0),
+ F(360000000, P_DPRX_1_DPRX_CC_PLL1_OUT_MAIN, 5, 0, 0),
+ { }
+};
+
+static struct clk_rcg2 dprx_1_dprx_cc_audio_clk_src = {
+ .cmd_rcgr = 0x80c8,
+ .mnd_width = 0,
+ .hid_width = 5,
+ .parent_map = dprx_cc_1_parent_map_1,
+ .freq_tbl = ftbl_dprx_1_dprx_cc_audio_clk_src,
+ .hw_clk_ctrl = true,
+ .clkr.hw.init = &(const struct clk_init_data) {
+ .name = "dprx_1_dprx_cc_audio_clk_src",
+ .parent_data = dprx_cc_1_parent_data_1,
+ .num_parents = ARRAY_SIZE(dprx_cc_1_parent_data_1),
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_rcg2_shared_ops,
+ },
+};
+
+static const struct freq_tbl ftbl_dprx_1_dprx_cc_core_rcg0_clk_src[] = {
+ F(220000000, P_DPRX_1_DPRX_CC_PLL0_OUT_MAIN, 2.5, 0, 0),
+ F(440000000, P_DPRX_1_DPRX_CC_PLL0_OUT_MAIN, 2.5, 0, 0),
+ { }
+};
+
+static struct clk_rcg2 dprx_1_dprx_cc_core_rcg0_clk_src = {
+ .cmd_rcgr = 0x8004,
+ .mnd_width = 0,
+ .hid_width = 5,
+ .parent_map = dprx_cc_1_parent_map_0,
+ .freq_tbl = ftbl_dprx_1_dprx_cc_core_rcg0_clk_src,
+ .hw_clk_ctrl = true,
+ .clkr.hw.init = &(const struct clk_init_data) {
+ .name = "dprx_1_dprx_cc_core_rcg0_clk_src",
+ .parent_data = dprx_cc_1_parent_data_0,
+ .num_parents = ARRAY_SIZE(dprx_cc_1_parent_data_0),
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_rcg2_shared_ops,
+ },
+};
+
+static const struct freq_tbl ftbl_dprx_1_dprx_cc_core_rcg2_clk_src[] = {
+ F(275000000, P_DPRX_1_DPRX_CC_PLL0_OUT_MAIN, 2, 0, 0),
+ F(440000000, P_DPRX_1_DPRX_CC_PLL0_OUT_MAIN, 2.5, 0, 0),
+ F(550000000, P_DPRX_1_DPRX_CC_PLL0_OUT_MAIN, 2, 0, 0),
+ { }
+};
+
+static struct clk_rcg2 dprx_1_dprx_cc_core_rcg2_clk_src = {
+ .cmd_rcgr = 0x8068,
+ .mnd_width = 0,
+ .hid_width = 5,
+ .parent_map = dprx_cc_1_parent_map_0,
+ .freq_tbl = ftbl_dprx_1_dprx_cc_core_rcg2_clk_src,
+ .hw_clk_ctrl = true,
+ .clkr.hw.init = &(const struct clk_init_data) {
+ .name = "dprx_1_dprx_cc_core_rcg2_clk_src",
+ .parent_data = dprx_cc_1_parent_data_0,
+ .num_parents = ARRAY_SIZE(dprx_cc_1_parent_data_0),
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_rcg2_shared_ops,
+ },
+};
+
+static const struct freq_tbl ftbl_dprx_1_dprx_cc_core_rcg3_clk_src[] = {
+ F(275000000, P_DPRX_1_DPRX_CC_PLL0_OUT_MAIN, 2, 0, 0),
+ F(550000000, P_DPRX_1_DPRX_CC_PLL0_OUT_MAIN, 2, 0, 0),
+ { }
+};
+
+static struct clk_rcg2 dprx_1_dprx_cc_core_rcg3_clk_src = {
+ .cmd_rcgr = 0x8098,
+ .mnd_width = 0,
+ .hid_width = 5,
+ .parent_map = dprx_cc_1_parent_map_0,
+ .freq_tbl = ftbl_dprx_1_dprx_cc_core_rcg3_clk_src,
+ .hw_clk_ctrl = true,
+ .clkr.hw.init = &(const struct clk_init_data) {
+ .name = "dprx_1_dprx_cc_core_rcg3_clk_src",
+ .parent_data = dprx_cc_1_parent_data_0,
+ .num_parents = ARRAY_SIZE(dprx_cc_1_parent_data_0),
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_rcg2_shared_ops,
+ },
+};
+
+static struct clk_regmap_div dprx_1_dprx_cc_core_ahb_div_clk_src = {
+ .reg = 0x80b0,
+ .shift = 0,
+ .width = 4,
+ .clkr.hw.init = &(const struct clk_init_data) {
+ .name = "dprx_1_dprx_cc_core_ahb_div_clk_src",
+ .parent_hws = (const struct clk_hw*[]) {
+ &dprx_1_dprx_cc_core_rcg3_clk_src.clkr.hw,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_regmap_div_ro_ops,
+ },
+};
+
+static struct clk_regmap_div dprx_1_dprx_cc_core_aud_div_clk_src = {
+ .reg = 0x80d0,
+ .shift = 0,
+ .width = 9,
+ .clkr.hw.init = &(const struct clk_init_data) {
+ .name = "dprx_1_dprx_cc_core_aud_div_clk_src",
+ .parent_hws = (const struct clk_hw*[]) {
+ &dprx_1_dprx_cc_audio_clk_src.clkr.hw,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_regmap_div_ro_ops,
+ },
+};
+
+static struct clk_branch dprx_1_dprx_cc_ahb_clk = {
+ .halt_reg = 0x80b4,
+ .halt_check = BRANCH_HALT_VOTED,
+ .hwcg_reg = 0x80b4,
+ .hwcg_bit = 1,
+ .clkr = {
+ .enable_reg = 0x80b4,
+ .enable_mask = BIT(0),
+ .hw.init = &(const struct clk_init_data) {
+ .name = "dprx_1_dprx_cc_ahb_clk",
+ .parent_hws = (const struct clk_hw*[]) {
+ &dprx_1_dprx_cc_core_ahb_div_clk_src.clkr.hw,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch dprx_1_dprx_cc_aud_clk = {
+ .halt_reg = 0x80d4,
+ .halt_check = BRANCH_HALT_VOTED,
+ .hwcg_reg = 0x80d4,
+ .hwcg_bit = 1,
+ .clkr = {
+ .enable_reg = 0x80d4,
+ .enable_mask = BIT(0),
+ .hw.init = &(const struct clk_init_data) {
+ .name = "dprx_1_dprx_cc_aud_clk",
+ .parent_hws = (const struct clk_hw*[]) {
+ &dprx_1_dprx_cc_core_aud_div_clk_src.clkr.hw,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch dprx_1_dprx_cc_mdp_mem_clk = {
+ .halt_reg = 0x8088,
+ .halt_check = BRANCH_HALT_VOTED,
+ .hwcg_reg = 0x8088,
+ .hwcg_bit = 1,
+ .clkr = {
+ .enable_reg = 0x8088,
+ .enable_mask = BIT(0),
+ .hw.init = &(const struct clk_init_data) {
+ .name = "dprx_1_dprx_cc_mdp_mem_clk",
+ .parent_hws = (const struct clk_hw*[]) {
+ &dprx_1_dprx_cc_core_rcg2_clk_src.clkr.hw,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch dprx_1_dprx_cc_mmcx_xo_clk = {
+ .halt_reg = 0x80d8,
+ .halt_check = BRANCH_HALT_VOTED,
+ .hwcg_reg = 0x80d8,
+ .hwcg_bit = 1,
+ .clkr = {
+ .enable_reg = 0x80d8,
+ .enable_mask = BIT(0),
+ .hw.init = &(const struct clk_init_data) {
+ .name = "dprx_1_dprx_cc_mmcx_xo_clk",
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch dprx_1_dprx_cc_vid_mem_clk = {
+ .halt_reg = 0x8028,
+ .halt_check = BRANCH_HALT_VOTED,
+ .hwcg_reg = 0x8028,
+ .hwcg_bit = 1,
+ .clkr = {
+ .enable_reg = 0x8028,
+ .enable_mask = BIT(0),
+ .hw.init = &(const struct clk_init_data) {
+ .name = "dprx_1_dprx_cc_vid_mem_clk",
+ .parent_hws = (const struct clk_hw*[]) {
+ &dprx_1_dprx_cc_core_rcg0_clk_src.clkr.hw,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_regmap *dprx_cc_1_nord_clocks[] = {
+ [DPRX_CC_AHB_CLK] = &dprx_1_dprx_cc_ahb_clk.clkr,
+ [DPRX_CC_AUD_CLK] = &dprx_1_dprx_cc_aud_clk.clkr,
+ [DPRX_CC_AUDIO_CLK_SRC] = &dprx_1_dprx_cc_audio_clk_src.clkr,
+ [DPRX_CC_CORE_AHB_DIV_CLK_SRC] = &dprx_1_dprx_cc_core_ahb_div_clk_src.clkr,
+ [DPRX_CC_CORE_AUD_DIV_CLK_SRC] = &dprx_1_dprx_cc_core_aud_div_clk_src.clkr,
+ [DPRX_CC_CORE_RCG0_CLK_SRC] = &dprx_1_dprx_cc_core_rcg0_clk_src.clkr,
+ [DPRX_CC_CORE_RCG2_CLK_SRC] = &dprx_1_dprx_cc_core_rcg2_clk_src.clkr,
+ [DPRX_CC_CORE_RCG3_CLK_SRC] = &dprx_1_dprx_cc_core_rcg3_clk_src.clkr,
+ [DPRX_CC_MDP_MEM_CLK] = &dprx_1_dprx_cc_mdp_mem_clk.clkr,
+ [DPRX_CC_MMCX_XO_CLK] = &dprx_1_dprx_cc_mmcx_xo_clk.clkr,
+ [DPRX_CC_PLL0] = &dprx_1_dprx_cc_pll0.clkr,
+ [DPRX_CC_PLL1] = &dprx_1_dprx_cc_pll1.clkr,
+ [DPRX_CC_VID_MEM_CLK] = &dprx_1_dprx_cc_vid_mem_clk.clkr,
+};
+
+static const struct qcom_reset_map dprx_cc_1_nord_resets[] = {
+ [DPRX_CC_DPRX_BLK_BCR] = { 0x8000 },
+};
+
+static struct clk_alpha_pll *dprx_cc_1_nord_plls[] = {
+ &dprx_1_dprx_cc_pll0,
+ &dprx_1_dprx_cc_pll1,
+};
+
+static const struct regmap_config dprx_cc_1_nord_regmap_config = {
+ .reg_bits = 32,
+ .reg_stride = 4,
+ .val_bits = 32,
+ .max_register = 0x8104,
+ .fast_io = true,
+};
+
+static void dprx_cc_1_nord_regs_configure(struct device *dev, struct regmap *regmap)
+{
+ /*
+ * Configure cdiv 20 for core aud and 11 for core ahb clks of DPRX CC
+ */
+ regmap_write(regmap, dprx_1_dprx_cc_core_aud_div_clk_src.reg, 0x13);
+ regmap_write(regmap, dprx_1_dprx_cc_core_ahb_div_clk_src.reg, 0x0A);
+}
+
+static const struct qcom_cc_driver_data dprx_cc_1_nord_driver_data = {
+ .alpha_plls = dprx_cc_1_nord_plls,
+ .num_alpha_plls = ARRAY_SIZE(dprx_cc_1_nord_plls),
+ .clk_regs_configure = dprx_cc_1_nord_regs_configure,
+};
+
+static const struct qcom_cc_desc dprx_cc_1_nord_desc = {
+ .config = &dprx_cc_1_nord_regmap_config,
+ .clks = dprx_cc_1_nord_clocks,
+ .num_clks = ARRAY_SIZE(dprx_cc_1_nord_clocks),
+ .resets = dprx_cc_1_nord_resets,
+ .num_resets = ARRAY_SIZE(dprx_cc_1_nord_resets),
+ .driver_data = &dprx_cc_1_nord_driver_data,
+};
+
+static const struct of_device_id dprx_cc_1_nord_match_table[] = {
+ { .compatible = "qcom,nord-dprxcc1" },
+ { }
+};
+MODULE_DEVICE_TABLE(of, dprx_cc_1_nord_match_table);
+
+static int dprx_cc_1_nord_probe(struct platform_device *pdev)
+{
+ return qcom_cc_probe(pdev, &dprx_cc_1_nord_desc);
+}
+
+static struct platform_driver dprx_cc_1_nord_driver = {
+ .probe = dprx_cc_1_nord_probe,
+ .driver = {
+ .name = "dprxcc1-nord",
+ .of_match_table = dprx_cc_1_nord_match_table,
+ },
+};
+
+module_platform_driver(dprx_cc_1_nord_driver);
+
+MODULE_DESCRIPTION("QTI DPRXCC1 NORD Driver");
+MODULE_LICENSE("GPL");
--
2.34.1
next prev parent reply other threads:[~2026-09-23 19:22 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-23 19:21 [PATCH v2 0/3] clk: qcom: " Taniya Das
2026-09-23 19:21 ` [PATCH v2 1/3] clk: qcom: clk-alpha-pll: support a 28-bit ALPHA_VAL width Taniya Das
2026-09-24 8:50 ` Shawn Guo
2026-09-23 19:21 ` [PATCH v2 2/3] dt-bindings: clock: qcom: document the Nord DPRX Clock Controller Taniya Das
2026-09-24 8:56 ` Shawn Guo
2026-09-24 8:57 ` Taniya Das
2026-09-23 19:21 ` Taniya Das [this message]
2026-09-24 9:05 ` [PATCH v2 3/3] clk: qcom: dprxcc: Add Nord DPRX clock controller support Shawn Guo
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