From: Jian Hu via B4 Relay <devnull+jian.hu.amlogic.com@kernel.org>
To: Michael Turquette <mturquette@baylibre.com>,
Stephen Boyd <sboyd@kernel.org>, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Neil Armstrong <neil.armstrong@linaro.org>,
Jerome Brunet <jbrunet@baylibre.com>,
Xianwei Zhao <xianwei.zhao@amlogic.com>,
Kevin Hilman <khilman@baylibre.com>,
Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Cc: linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org,
devicetree@vger.kernel.org, linux-amlogic@lists.infradead.org,
linux-arm-kernel@lists.infradead.org,
Jian Hu <jian.hu@amlogic.com>
Subject: [PATCH 08/10] clk: amlogic: Add A9 PLL clock controller driver
Date: Mon, 11 May 2026 20:47:30 +0800 [thread overview]
Message-ID: <20260511-b4-a9_clk-v1-8-41cb4071b7c9@amlogic.com> (raw)
In-Reply-To: <20260511-b4-a9_clk-v1-0-41cb4071b7c9@amlogic.com>
From: Jian Hu <jian.hu@amlogic.com>
Add the PLL clock controller driver for the Amlogic A9 SoC family.
Signed-off-by: Jian Hu <jian.hu@amlogic.com>
---
drivers/clk/meson/Kconfig | 13 +
drivers/clk/meson/Makefile | 1 +
drivers/clk/meson/a9-pll.c | 831 +++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 845 insertions(+)
diff --git a/drivers/clk/meson/Kconfig b/drivers/clk/meson/Kconfig
index cf8cf3f9e4ee..3549e67d6988 100644
--- a/drivers/clk/meson/Kconfig
+++ b/drivers/clk/meson/Kconfig
@@ -132,6 +132,19 @@ config COMMON_CLK_A1_PERIPHERALS
device, A1 SoC Family. Say Y if you want A1 Peripherals clock
controller to work.
+config COMMON_CLK_A9_PLL
+ tristate "Amlogic A9 SoC PLL controller support"
+ depends on ARM64
+ default ARCH_MESON
+ select COMMON_CLK_MESON_REGMAP
+ select COMMON_CLK_MESON_CLKC_UTILS
+ select COMMON_CLK_MESON_PLL
+ imply COMMON_CLK_SCMI
+ help
+ Support for the PLL clock controller on Amlogic A311Y3 based
+ device, AKA A9. PLLs are required by most peripheral to operate.
+ Say Y if you want A9 PLL clock controller to work.
+
config COMMON_CLK_C3_PLL
tristate "Amlogic C3 PLL clock controller"
depends on ARM64
diff --git a/drivers/clk/meson/Makefile b/drivers/clk/meson/Makefile
index c6719694a242..77636033061f 100644
--- a/drivers/clk/meson/Makefile
+++ b/drivers/clk/meson/Makefile
@@ -19,6 +19,7 @@ obj-$(CONFIG_COMMON_CLK_AXG) += axg.o axg-aoclk.o
obj-$(CONFIG_COMMON_CLK_AXG_AUDIO) += axg-audio.o
obj-$(CONFIG_COMMON_CLK_A1_PLL) += a1-pll.o
obj-$(CONFIG_COMMON_CLK_A1_PERIPHERALS) += a1-peripherals.o
+obj-$(CONFIG_COMMON_CLK_A9_PLL) += a9-pll.o
obj-$(CONFIG_COMMON_CLK_C3_PLL) += c3-pll.o
obj-$(CONFIG_COMMON_CLK_C3_PERIPHERALS) += c3-peripherals.o
obj-$(CONFIG_COMMON_CLK_GXBB) += gxbb.o gxbb-aoclk.o
diff --git a/drivers/clk/meson/a9-pll.c b/drivers/clk/meson/a9-pll.c
new file mode 100644
index 000000000000..84b591c3afff
--- /dev/null
+++ b/drivers/clk/meson/a9-pll.c
@@ -0,0 +1,831 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR MIT)
+/*
+ * Copyright (C) 2026 Amlogic, Inc. All rights reserved
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/platform_device.h>
+#include <dt-bindings/clock/amlogic,a9-pll-clkc.h>
+#include "clk-regmap.h"
+#include "clk-pll.h"
+#include "meson-clkc-utils.h"
+
+#define GP0PLL_CTRL0 0x00
+#define GP0PLL_CTRL1 0x04
+#define GP0PLL_CTRL2 0x08
+#define GP0PLL_CTRL3 0x0c
+#define GP0PLL_CTRL4 0x10
+
+/* HIFI0 and HIFI1 share the same IP and register offset layout. */
+#define HIFIPLL_CTRL0 0x00
+#define HIFIPLL_CTRL1 0x04
+#define HIFIPLL_CTRL2 0x08
+#define HIFIPLL_CTRL3 0x0c
+#define HIFIPLL_CTRL4 0x10
+
+/* MCLK0 and MCLK1 share the same IP and register offset layout. */
+#define MCLKPLL_CTRL0 0x00
+#define MCLKPLL_CTRL1 0x04
+#define MCLKPLL_CTRL2 0x08
+#define MCLKPLL_CTRL3 0x0c
+#define MCLKPLL_CTRL4 0x10
+
+#define A9_COMP_SEL(_name, _reg, _shift, _mask, _pdata) \
+ MESON_COMP_SEL(a9_, _name, _reg, _shift, _mask, _pdata, NULL, 0, 0)
+
+#define A9_COMP_DIV(_name, _reg, _shift, _width) \
+ MESON_COMP_DIV(a9_, _name, _reg, _shift, _width, 0, CLK_SET_RATE_PARENT)
+
+#define A9_COMP_GATE(_name, _reg, _bit) \
+ MESON_COMP_GATE(a9_, _name, _reg, _bit, CLK_SET_RATE_PARENT)
+
+/*
+ * Compared with previous SoC PLLs, the A9 PLL input path has an inherent
+ * 2-divider. The N pre-divider follows the same calculation rule as OD,
+ * where the pre-divider ratio equals 2^N.
+ *
+ * A9 PLL is composed as follows:
+ *
+ * PLL
+ * +---------------------------------+
+ * | |
+ * | +--+ |
+ * in/2 >>---[ /2^N ]-->| | +-----+ |
+ * | | |------| DCO |----->> out
+ * | +--------->| | +--v--+ |
+ * | | +--+ | |
+ * | | | |
+ * | +--[ *(M + (F/Fmax) ]<--+ |
+ * | |
+ * +---------------------------------+
+ *
+ * out = in / 2 * (m + frac / frac_max) / 2^n
+ */
+
+static struct clk_fixed_factor a9_gp0_in_div2_div = {
+ .mult = 1,
+ .div = 2,
+ .hw.init = &(struct clk_init_data){
+ .name = "gp0_in_div2_div",
+ .ops = &clk_fixed_factor_ops,
+ .parent_data = &(const struct clk_parent_data) {
+ .fw_name = "in0",
+ },
+ .num_parents = 1,
+ },
+};
+
+static struct clk_regmap a9_gp0_in_div2 = {
+ .data = &(struct clk_regmap_gate_data) {
+ .offset = GP0PLL_CTRL0,
+ .bit_idx = 27,
+ },
+ .hw.init = &(struct clk_init_data) {
+ .name = "gp0_in_div2",
+ .ops = &clk_regmap_gate_ops,
+ .parent_hws = (const struct clk_hw *[]) {
+ &a9_gp0_in_div2_div.hw
+ },
+ .num_parents = 1,
+ },
+};
+
+/* The output frequency range of the A9 PLL_DCO is 1.4 GHz to 2.8 GHz. */
+static const struct pll_mult_range a9_pll_mult_range = {
+ .min = 117,
+ .max = 233,
+};
+
+static const struct reg_sequence a9_gp0_pll_init_regs[] = {
+ { .reg = GP0PLL_CTRL0, .def = 0x00010000 },
+ { .reg = GP0PLL_CTRL1, .def = 0x11480000 },
+ { .reg = GP0PLL_CTRL2, .def = 0x1219b010 },
+ { .reg = GP0PLL_CTRL3, .def = 0x00008010 }
+};
+
+static struct clk_regmap a9_gp0_pll_dco = {
+ .data = &(struct meson_clk_pll_data) {
+ .en = {
+ .reg_off = GP0PLL_CTRL0,
+ .shift = 28,
+ .width = 1,
+ },
+ .m = {
+ .reg_off = GP0PLL_CTRL0,
+ .shift = 0,
+ .width = 9,
+ },
+ .n = {
+ .reg_off = GP0PLL_CTRL0,
+ .shift = 12,
+ .width = 3,
+ },
+ .frac = {
+ .reg_off = GP0PLL_CTRL1,
+ .shift = 0,
+ .width = 17,
+ },
+ .l = {
+ .reg_off = GP0PLL_CTRL0,
+ .shift = 31,
+ .width = 1,
+ },
+ .rst = {
+ .reg_off = GP0PLL_CTRL0,
+ .shift = 29,
+ .width = 1,
+ },
+ .l_detect = {
+ .reg_off = GP0PLL_CTRL0,
+ .shift = 30,
+ .width = 1,
+ },
+ .range = &a9_pll_mult_range,
+ .init_regs = a9_gp0_pll_init_regs,
+ .init_count = ARRAY_SIZE(a9_gp0_pll_init_regs),
+ .flags = CLK_MESON_PLL_RST_ACTIVE_LOW |
+ CLK_MESON_PLL_N_POWER_OF_TWO |
+ CLK_MESON_PLL_L_DETECT_ACTIVE_HIGH,
+ },
+ .hw.init = &(struct clk_init_data) {
+ .name = "gp0_pll_dco",
+ .ops = &meson_clk_pll_ops,
+ .parent_hws = (const struct clk_hw *[]) {
+ &a9_gp0_in_div2.hw
+ },
+ .num_parents = 1,
+ },
+};
+
+/* For gp0, hifi and mclk pll, the maximum value of od is 4. */
+static const struct clk_div_table a9_pll_od_table[] = {
+ { 0, 1 },
+ { 1, 2 },
+ { 2, 4 },
+ { 3, 8 },
+ { 4, 16 },
+ { /* sentinel */ }
+};
+
+static struct clk_regmap a9_gp0_pll = {
+ .data = &(struct clk_regmap_div_data) {
+ .offset = GP0PLL_CTRL0,
+ .shift = 20,
+ .width = 3,
+ .table = a9_pll_od_table,
+ },
+ .hw.init = &(struct clk_init_data) {
+ .name = "gp0_pll",
+ .ops = &clk_regmap_divider_ops,
+ .parent_hws = (const struct clk_hw *[]) {
+ &a9_gp0_pll_dco.hw
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ },
+};
+
+static struct clk_fixed_factor a9_hifi0_in_div2_div = {
+ .mult = 1,
+ .div = 2,
+ .hw.init = &(struct clk_init_data){
+ .name = "hifi0_in_div2_div",
+ .ops = &clk_fixed_factor_ops,
+ .parent_data = &(const struct clk_parent_data) {
+ .fw_name = "in0",
+ },
+ .num_parents = 1,
+ },
+};
+
+static struct clk_regmap a9_hifi0_in_div2 = {
+ .data = &(struct clk_regmap_gate_data) {
+ .offset = HIFIPLL_CTRL0,
+ .bit_idx = 27,
+ },
+ .hw.init = &(struct clk_init_data) {
+ .name = "hifi0_in_div2",
+ .ops = &clk_regmap_gate_ops,
+ .parent_hws = (const struct clk_hw *[]) {
+ &a9_hifi0_in_div2_div.hw
+ },
+ .num_parents = 1,
+ },
+};
+
+static const struct reg_sequence a9_hifi0_pll_init_regs[] = {
+ { .reg = HIFIPLL_CTRL0, .def = 0x00010000 },
+ { .reg = HIFIPLL_CTRL1, .def = 0x11480000 },
+ { .reg = HIFIPLL_CTRL2, .def = 0x1219b010 },
+ { .reg = HIFIPLL_CTRL3, .def = 0x00008010 }
+};
+
+static struct clk_regmap a9_hifi0_pll_dco = {
+ .data = &(struct meson_clk_pll_data) {
+ .en = {
+ .reg_off = HIFIPLL_CTRL0,
+ .shift = 28,
+ .width = 1,
+ },
+ .m = {
+ .reg_off = HIFIPLL_CTRL0,
+ .shift = 0,
+ .width = 9,
+ },
+ .n = {
+ .reg_off = HIFIPLL_CTRL0,
+ .shift = 12,
+ .width = 3,
+ },
+ .frac = {
+ .reg_off = HIFIPLL_CTRL1,
+ .shift = 0,
+ .width = 17,
+ },
+ .l = {
+ .reg_off = HIFIPLL_CTRL0,
+ .shift = 31,
+ .width = 1,
+ },
+ .rst = {
+ .reg_off = HIFIPLL_CTRL0,
+ .shift = 29,
+ .width = 1,
+ },
+ .l_detect = {
+ .reg_off = HIFIPLL_CTRL0,
+ .shift = 30,
+ .width = 1,
+ },
+ .range = &a9_pll_mult_range,
+ .init_regs = a9_hifi0_pll_init_regs,
+ .init_count = ARRAY_SIZE(a9_hifi0_pll_init_regs),
+ .frac_max = 100000,
+ .flags = CLK_MESON_PLL_RST_ACTIVE_LOW |
+ CLK_MESON_PLL_N_POWER_OF_TWO |
+ CLK_MESON_PLL_L_DETECT_ACTIVE_HIGH,
+ },
+ .hw.init = &(struct clk_init_data) {
+ .name = "hifi0_pll_dco",
+ .ops = &meson_clk_pll_ops,
+ .parent_hws = (const struct clk_hw *[]) {
+ &a9_hifi0_in_div2.hw
+ },
+ .num_parents = 1,
+ },
+};
+
+static struct clk_regmap a9_hifi0_pll = {
+ .data = &(struct clk_regmap_div_data) {
+ .offset = HIFIPLL_CTRL0,
+ .shift = 20,
+ .width = 3,
+ .table = a9_pll_od_table,
+ },
+ .hw.init = &(struct clk_init_data) {
+ .name = "hifi0_pll",
+ .ops = &clk_regmap_divider_ops,
+ .parent_hws = (const struct clk_hw *[]) {
+ &a9_hifi0_pll_dco.hw
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ },
+};
+
+static struct clk_fixed_factor a9_hifi1_in_div2_div = {
+ .mult = 1,
+ .div = 2,
+ .hw.init = &(struct clk_init_data){
+ .name = "hifi1_in_div2_div",
+ .ops = &clk_fixed_factor_ops,
+ .parent_data = &(const struct clk_parent_data) {
+ .fw_name = "in0",
+ },
+ .num_parents = 1,
+ },
+};
+
+static struct clk_regmap a9_hifi1_in_div2 = {
+ .data = &(struct clk_regmap_gate_data) {
+ .offset = HIFIPLL_CTRL0,
+ .bit_idx = 27,
+ },
+ .hw.init = &(struct clk_init_data) {
+ .name = "hifi1_in_div2",
+ .ops = &clk_regmap_gate_ops,
+ .parent_hws = (const struct clk_hw *[]) {
+ &a9_hifi1_in_div2_div.hw
+ },
+ .num_parents = 1,
+ },
+};
+
+static const struct reg_sequence a9_hifi1_pll_init_regs[] = {
+ { .reg = HIFIPLL_CTRL0, .def = 0x00010000 },
+ { .reg = HIFIPLL_CTRL1, .def = 0x11480000 },
+ { .reg = HIFIPLL_CTRL2, .def = 0x1219b011 },
+ { .reg = HIFIPLL_CTRL3, .def = 0x00008010 }
+};
+
+static struct clk_regmap a9_hifi1_pll_dco = {
+ .data = &(struct meson_clk_pll_data) {
+ .en = {
+ .reg_off = HIFIPLL_CTRL0,
+ .shift = 28,
+ .width = 1,
+ },
+ .m = {
+ .reg_off = HIFIPLL_CTRL0,
+ .shift = 0,
+ .width = 9,
+ },
+ .n = {
+ .reg_off = HIFIPLL_CTRL0,
+ .shift = 12,
+ .width = 3,
+ },
+ .frac = {
+ .reg_off = HIFIPLL_CTRL1,
+ .shift = 0,
+ .width = 17,
+ },
+ .l = {
+ .reg_off = HIFIPLL_CTRL0,
+ .shift = 31,
+ .width = 1,
+ },
+ .rst = {
+ .reg_off = HIFIPLL_CTRL0,
+ .shift = 29,
+ .width = 1,
+ },
+ .l_detect = {
+ .reg_off = HIFIPLL_CTRL0,
+ .shift = 30,
+ .width = 1,
+ },
+ .range = &a9_pll_mult_range,
+ .init_regs = a9_hifi1_pll_init_regs,
+ .init_count = ARRAY_SIZE(a9_hifi1_pll_init_regs),
+ .frac_max = 100000,
+ .flags = CLK_MESON_PLL_RST_ACTIVE_LOW |
+ CLK_MESON_PLL_N_POWER_OF_TWO |
+ CLK_MESON_PLL_L_DETECT_ACTIVE_HIGH,
+ },
+ .hw.init = &(struct clk_init_data) {
+ .name = "hifi1_pll_dco",
+ .ops = &meson_clk_pll_ops,
+ .parent_hws = (const struct clk_hw *[]) {
+ &a9_hifi1_in_div2.hw
+ },
+ .num_parents = 1,
+ },
+};
+
+static struct clk_regmap a9_hifi1_pll = {
+ .data = &(struct clk_regmap_div_data) {
+ .offset = HIFIPLL_CTRL0,
+ .shift = 20,
+ .width = 3,
+ .table = a9_pll_od_table,
+ },
+ .hw.init = &(struct clk_init_data) {
+ .name = "hifi1_pll",
+ .ops = &clk_regmap_divider_ops,
+ .parent_hws = (const struct clk_hw *[]) {
+ &a9_hifi1_pll_dco.hw
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ },
+};
+
+/*
+ * Unlike GP0 and HIFI PLLs, the input divider 2 of MCLK PLL is
+ * enabled by default and has no enable control bit.
+ */
+static struct clk_fixed_factor a9_mclk0_in_div2 = {
+ .mult = 1,
+ .div = 2,
+ .hw.init = &(struct clk_init_data){
+ .name = "mclk0_in_div2_div",
+ .ops = &clk_fixed_factor_ops,
+ .parent_data = &(const struct clk_parent_data) {
+ .fw_name = "in0",
+ },
+ .num_parents = 1,
+ },
+};
+
+static const struct reg_sequence a9_mclk0_pll_init_regs[] = {
+ { .reg = MCLKPLL_CTRL1, .def = 0x00422000 },
+ { .reg = MCLKPLL_CTRL2, .def = 0x60000100 },
+ { .reg = MCLKPLL_CTRL3, .def = 0x02000200 },
+ { .reg = MCLKPLL_CTRL4, .def = 0xd616d616 }
+};
+
+static struct clk_regmap a9_mclk0_pll_dco = {
+ .data = &(struct meson_clk_pll_data) {
+ .en = {
+ .reg_off = MCLKPLL_CTRL0,
+ .shift = 28,
+ .width = 1,
+ },
+ .m = {
+ .reg_off = MCLKPLL_CTRL0,
+ .shift = 0,
+ .width = 9,
+ },
+ .n = {
+ .reg_off = MCLKPLL_CTRL0,
+ .shift = 12,
+ .width = 3,
+ },
+ .l = {
+ .reg_off = MCLKPLL_CTRL0,
+ .shift = 31,
+ .width = 1,
+ },
+ .rst = {
+ .reg_off = MCLKPLL_CTRL0,
+ .shift = 29,
+ .width = 1,
+ },
+ .l_detect = {
+ .reg_off = MCLKPLL_CTRL0,
+ .shift = 30,
+ .width = 1,
+ },
+ .range = &a9_pll_mult_range,
+ .init_regs = a9_mclk0_pll_init_regs,
+ .init_count = ARRAY_SIZE(a9_mclk0_pll_init_regs),
+ .flags = CLK_MESON_PLL_RST_ACTIVE_LOW |
+ CLK_MESON_PLL_N_POWER_OF_TWO |
+ CLK_MESON_PLL_L_DETECT_ACTIVE_HIGH,
+ },
+ .hw.init = &(struct clk_init_data) {
+ .name = "mclk0_pll_dco",
+ .ops = &meson_clk_pll_ops,
+ .parent_hws = (const struct clk_hw *[]) {
+ &a9_mclk0_in_div2.hw
+ },
+ .num_parents = 1,
+ },
+};
+
+static struct clk_regmap a9_mclk0_0_pll = {
+ .data = &(struct clk_regmap_div_data) {
+ .offset = MCLKPLL_CTRL3,
+ .shift = 0,
+ .width = 3,
+ .table = a9_pll_od_table,
+ },
+ .hw.init = &(struct clk_init_data) {
+ .name = "mclk0_0_pll",
+ .ops = &clk_regmap_divider_ops,
+ .parent_hws = (const struct clk_hw *[]) {
+ &a9_mclk0_pll_dco.hw
+ },
+ .num_parents = 1,
+ },
+};
+
+static struct clk_regmap a9_mclk0_0_pre = {
+ .data = &(struct clk_regmap_div_data) {
+ .offset = MCLKPLL_CTRL3,
+ .shift = 3,
+ .width = 5,
+ .flags = CLK_DIVIDER_MAX_AT_ZERO,
+ },
+ .hw.init = &(struct clk_init_data) {
+ .name = "mclk0_0_pre",
+ .ops = &clk_regmap_divider_ops,
+ .parent_hws = (const struct clk_hw *[]) {
+ &a9_mclk0_0_pll.hw
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ },
+};
+
+static const struct clk_parent_data a9_mclk0_0_parents[] = {
+ { .hw = &a9_mclk0_0_pre.hw },
+ { .fw_name = "in0" },
+ { .fw_name = "in1" },
+ { .fw_name = "in2" }
+};
+
+static A9_COMP_SEL(mclk0_0, MCLKPLL_CTRL3, 12, 0x3, a9_mclk0_0_parents);
+static A9_COMP_DIV(mclk0_0, MCLKPLL_CTRL3, 10, 1);
+static A9_COMP_GATE(mclk0_0, MCLKPLL_CTRL3, 8);
+
+static struct clk_regmap a9_mclk0_1_pll = {
+ .data = &(struct clk_regmap_div_data) {
+ .offset = MCLKPLL_CTRL3,
+ .shift = 16,
+ .width = 3,
+ .table = a9_pll_od_table,
+ },
+ .hw.init = &(struct clk_init_data) {
+ .name = "mclk0_1_pll",
+ .ops = &clk_regmap_divider_ops,
+ .parent_hws = (const struct clk_hw *[]) {
+ &a9_mclk0_pll_dco.hw
+ },
+ .num_parents = 1,
+ },
+};
+
+static struct clk_regmap a9_mclk0_1_pre = {
+ .data = &(struct clk_regmap_div_data) {
+ .offset = MCLKPLL_CTRL3,
+ .shift = 19,
+ .width = 5,
+ .flags = CLK_DIVIDER_MAX_AT_ZERO,
+ },
+ .hw.init = &(struct clk_init_data) {
+ .name = "mclk0_1_pre",
+ .ops = &clk_regmap_divider_ops,
+ .parent_hws = (const struct clk_hw *[]) {
+ &a9_mclk0_1_pll.hw
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ },
+};
+
+static const struct clk_parent_data a9_mclk0_1_parents[] = {
+ { .hw = &a9_mclk0_1_pre.hw },
+ { .fw_name = "in0" },
+ { .fw_name = "in1" },
+ { .fw_name = "in2" }
+};
+
+static A9_COMP_SEL(mclk0_1, MCLKPLL_CTRL3, 28, 0x3, a9_mclk0_1_parents);
+static A9_COMP_DIV(mclk0_1, MCLKPLL_CTRL3, 26, 1);
+static A9_COMP_GATE(mclk0_1, MCLKPLL_CTRL3, 24);
+
+static struct clk_fixed_factor a9_mclk1_in_div2 = {
+ .mult = 1,
+ .div = 2,
+ .hw.init = &(struct clk_init_data){
+ .name = "mclk1_in_div2",
+ .ops = &clk_fixed_factor_ops,
+ .parent_data = &(const struct clk_parent_data) {
+ .fw_name = "in0",
+ },
+ .num_parents = 1,
+ },
+};
+
+static struct clk_regmap a9_mclk1_pll_dco = {
+ .data = &(struct meson_clk_pll_data) {
+ .en = {
+ .reg_off = MCLKPLL_CTRL0,
+ .shift = 28,
+ .width = 1,
+ },
+ .m = {
+ .reg_off = MCLKPLL_CTRL0,
+ .shift = 0,
+ .width = 9,
+ },
+ .n = {
+ .reg_off = MCLKPLL_CTRL0,
+ .shift = 12,
+ .width = 3,
+ },
+ .l = {
+ .reg_off = MCLKPLL_CTRL0,
+ .shift = 31,
+ .width = 1,
+ },
+ .rst = {
+ .reg_off = MCLKPLL_CTRL0,
+ .shift = 29,
+ .width = 1,
+ },
+ .l_detect = {
+ .reg_off = MCLKPLL_CTRL0,
+ .shift = 30,
+ .width = 1,
+ },
+ .range = &a9_pll_mult_range,
+ .init_regs = a9_mclk0_pll_init_regs,
+ .init_count = ARRAY_SIZE(a9_mclk0_pll_init_regs),
+ .flags = CLK_MESON_PLL_RST_ACTIVE_LOW |
+ CLK_MESON_PLL_N_POWER_OF_TWO |
+ CLK_MESON_PLL_L_DETECT_ACTIVE_HIGH,
+ },
+ .hw.init = &(struct clk_init_data) {
+ .name = "mclk1_pll_dco",
+ .ops = &meson_clk_pll_ops,
+ .parent_hws = (const struct clk_hw *[]) {
+ &a9_mclk1_in_div2.hw
+ },
+ .num_parents = 1,
+ },
+};
+
+static struct clk_regmap a9_mclk1_0_pll = {
+ .data = &(struct clk_regmap_div_data) {
+ .offset = MCLKPLL_CTRL3,
+ .shift = 0,
+ .width = 3,
+ .table = a9_pll_od_table,
+ },
+ .hw.init = &(struct clk_init_data) {
+ .name = "mclk1_0_pll",
+ .ops = &clk_regmap_divider_ops,
+ .parent_hws = (const struct clk_hw *[]) {
+ &a9_mclk1_pll_dco.hw
+ },
+ .num_parents = 1,
+ },
+};
+
+static struct clk_regmap a9_mclk1_0_pre = {
+ .data = &(struct clk_regmap_div_data) {
+ .offset = MCLKPLL_CTRL3,
+ .shift = 3,
+ .width = 5,
+ .flags = CLK_DIVIDER_MAX_AT_ZERO,
+ },
+ .hw.init = &(struct clk_init_data) {
+ .name = "mclk1_0_pre",
+ .ops = &clk_regmap_divider_ops,
+ .parent_hws = (const struct clk_hw *[]) {
+ &a9_mclk1_0_pll.hw
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ },
+};
+
+static const struct clk_parent_data a9_mclk1_0_parents[] = {
+ { .hw = &a9_mclk1_0_pre.hw },
+ { .fw_name = "in0" },
+ { .fw_name = "in1" },
+ { .fw_name = "in2" }
+};
+
+static A9_COMP_SEL(mclk1_0, MCLKPLL_CTRL3, 12, 0x3, a9_mclk1_0_parents);
+static A9_COMP_DIV(mclk1_0, MCLKPLL_CTRL3, 10, 1);
+static A9_COMP_GATE(mclk1_0, MCLKPLL_CTRL3, 8);
+
+static struct clk_regmap a9_mclk1_1_pll = {
+ .data = &(struct clk_regmap_div_data) {
+ .offset = MCLKPLL_CTRL3,
+ .shift = 16,
+ .width = 3,
+ .table = a9_pll_od_table,
+ },
+ .hw.init = &(struct clk_init_data) {
+ .name = "mclk1_1_pll",
+ .ops = &clk_regmap_divider_ops,
+ .parent_hws = (const struct clk_hw *[]) {
+ &a9_mclk1_pll_dco.hw
+ },
+ .num_parents = 1,
+ },
+};
+
+static struct clk_regmap a9_mclk1_1_pre = {
+ .data = &(struct clk_regmap_div_data) {
+ .offset = MCLKPLL_CTRL3,
+ .shift = 19,
+ .width = 5,
+ .flags = CLK_DIVIDER_MAX_AT_ZERO,
+ },
+ .hw.init = &(struct clk_init_data) {
+ .name = "mclk1_1_pre",
+ .ops = &clk_regmap_divider_ops,
+ .parent_hws = (const struct clk_hw *[]) {
+ &a9_mclk1_1_pll.hw
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ },
+};
+
+static const struct clk_parent_data a9_mclk1_1_parents[] = {
+ { .hw = &a9_mclk1_1_pre.hw },
+ { .fw_name = "in0" },
+ { .fw_name = "in1" },
+ { .fw_name = "in2" }
+};
+
+static A9_COMP_SEL(mclk1_1, MCLKPLL_CTRL3, 28, 0x3, a9_mclk1_1_parents);
+static A9_COMP_DIV(mclk1_1, MCLKPLL_CTRL3, 26, 1);
+static A9_COMP_GATE(mclk1_1, MCLKPLL_CTRL3, 24);
+
+static struct clk_hw *a9_gp0_hw_clks[] = {
+ [CLKID_GP0_IN_DIV2_DIV] = &a9_gp0_in_div2_div.hw,
+ [CLKID_GP0_IN_DIV2] = &a9_gp0_in_div2.hw,
+ [CLKID_GP0_PLL_DCO] = &a9_gp0_pll_dco.hw,
+ [CLKID_GP0_PLL] = &a9_gp0_pll.hw,
+};
+
+static struct clk_hw *a9_hifi0_hw_clks[] = {
+ [CLKID_HIFI0_IN_DIV2_DIV] = &a9_hifi0_in_div2_div.hw,
+ [CLKID_HIFI0_IN_DIV2] = &a9_hifi0_in_div2.hw,
+ [CLKID_HIFI0_PLL_DCO] = &a9_hifi0_pll_dco.hw,
+ [CLKID_HIFI0_PLL] = &a9_hifi0_pll.hw,
+};
+
+static struct clk_hw *a9_hifi1_hw_clks[] = {
+ [CLKID_HIFI1_IN_DIV2_DIV] = &a9_hifi1_in_div2_div.hw,
+ [CLKID_HIFI1_IN_DIV2] = &a9_hifi1_in_div2.hw,
+ [CLKID_HIFI1_PLL_DCO] = &a9_hifi1_pll_dco.hw,
+ [CLKID_HIFI1_PLL] = &a9_hifi1_pll.hw,
+};
+
+static struct clk_hw *a9_mclk0_hw_clks[] = {
+ [CLKID_MCLK0_IN_DIV2] = &a9_mclk0_in_div2.hw,
+ [CLKID_MCLK0_PLL_DCO] = &a9_mclk0_pll_dco.hw,
+ [CLKID_MCLK0_0_PLL] = &a9_mclk0_0_pll.hw,
+ [CLKID_MCLK0_0_PRE] = &a9_mclk0_0_pre.hw,
+ [CLKID_MCLK0_0_SEL] = &a9_mclk0_0_sel.hw,
+ [CLKID_MCLK0_0_DIV] = &a9_mclk0_0_div.hw,
+ [CLKID_MCLK0_0] = &a9_mclk0_0.hw,
+ [CLKID_MCLK0_1_PLL] = &a9_mclk0_1_pll.hw,
+ [CLKID_MCLK0_1_PRE] = &a9_mclk0_1_pre.hw,
+ [CLKID_MCLK0_1_SEL] = &a9_mclk0_1_sel.hw,
+ [CLKID_MCLK0_1_DIV] = &a9_mclk0_1_div.hw,
+ [CLKID_MCLK0_1] = &a9_mclk0_1.hw,
+};
+
+static struct clk_hw *a9_mclk1_hw_clks[] = {
+ [CLKID_MCLK1_IN_DIV2] = &a9_mclk1_in_div2.hw,
+ [CLKID_MCLK1_PLL_DCO] = &a9_mclk1_pll_dco.hw,
+ [CLKID_MCLK1_0_PLL] = &a9_mclk1_0_pll.hw,
+ [CLKID_MCLK1_0_PRE] = &a9_mclk1_0_pre.hw,
+ [CLKID_MCLK1_0_SEL] = &a9_mclk1_0_sel.hw,
+ [CLKID_MCLK1_0_DIV] = &a9_mclk1_0_div.hw,
+ [CLKID_MCLK1_0] = &a9_mclk1_0.hw,
+ [CLKID_MCLK1_1_PLL] = &a9_mclk1_1_pll.hw,
+ [CLKID_MCLK1_1_PRE] = &a9_mclk1_1_pre.hw,
+ [CLKID_MCLK1_1_SEL] = &a9_mclk1_1_sel.hw,
+ [CLKID_MCLK1_1_DIV] = &a9_mclk1_1_div.hw,
+ [CLKID_MCLK1_1] = &a9_mclk1_1.hw,
+};
+
+static const struct meson_clkc_data a9_gp0_data = {
+ .hw_clks = {
+ .hws = a9_gp0_hw_clks,
+ .num = ARRAY_SIZE(a9_gp0_hw_clks),
+ },
+};
+
+static const struct meson_clkc_data a9_hifi0_data = {
+ .hw_clks = {
+ .hws = a9_hifi0_hw_clks,
+ .num = ARRAY_SIZE(a9_hifi0_hw_clks),
+ },
+};
+
+static const struct meson_clkc_data a9_hifi1_data = {
+ .hw_clks = {
+ .hws = a9_hifi1_hw_clks,
+ .num = ARRAY_SIZE(a9_hifi1_hw_clks),
+ },
+};
+
+static const struct meson_clkc_data a9_mclk0_data = {
+ .hw_clks = {
+ .hws = a9_mclk0_hw_clks,
+ .num = ARRAY_SIZE(a9_mclk0_hw_clks),
+ },
+};
+
+static const struct meson_clkc_data a9_mclk1_data = {
+ .hw_clks = {
+ .hws = a9_mclk1_hw_clks,
+ .num = ARRAY_SIZE(a9_mclk1_hw_clks),
+ },
+};
+
+static const struct of_device_id a9_pll_clkc_match_table[] = {
+ { .compatible = "amlogic,a9-gp0-pll", .data = &a9_gp0_data, },
+ { .compatible = "amlogic,a9-hifi0-pll", .data = &a9_hifi0_data, },
+ { .compatible = "amlogic,a9-hifi1-pll", .data = &a9_hifi1_data, },
+ { .compatible = "amlogic,a9-mclk0-pll", .data = &a9_mclk0_data, },
+ { .compatible = "amlogic,a9-mclk1-pll", .data = &a9_mclk1_data, },
+ {}
+};
+MODULE_DEVICE_TABLE(of, a9_pll_clkc_match_table);
+
+static struct platform_driver a9_pll_clkc_driver = {
+ .probe = meson_clkc_mmio_probe,
+ .driver = {
+ .name = "a9-pll-clkc",
+ .of_match_table = a9_pll_clkc_match_table,
+ },
+};
+module_platform_driver(a9_pll_clkc_driver);
+
+MODULE_DESCRIPTION("Amlogic A9 PLL Clock Controller Driver");
+MODULE_AUTHOR("Jian Hu <jian.hu@amlogic.com>");
+MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS("CLK_MESON");
--
2.47.1
next prev parent reply other threads:[~2026-05-11 12:48 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-11 12:47 [PATCH 00/10] Add support for A9 family clock controller Jian Hu via B4 Relay
2026-05-11 12:47 ` [PATCH 01/10] dt-bindings: clock: Add Amlogic A9 SCMI " Jian Hu via B4 Relay
2026-05-11 12:47 ` [PATCH 02/10] dt-bindings: clock: Add Amlogic A9 PLL " Jian Hu via B4 Relay
2026-05-11 12:47 ` [PATCH 03/10] dt-bindings: clock: Add Amlogic A9 peripherals " Jian Hu via B4 Relay
2026-05-11 12:47 ` [PATCH 04/10] dt-bindings: clock: Add Amlogic A9 AO " Jian Hu via B4 Relay
2026-05-11 12:47 ` [PATCH 05/10] clk: amlogic: PLL l_detect signal supports active-high configuration Jian Hu via B4 Relay
2026-05-11 15:47 ` Brian Masney
2026-05-11 12:47 ` [PATCH 06/10] clk: amlogic: PLL reset signal supports active-low configuration Jian Hu via B4 Relay
2026-05-11 15:21 ` Brian Masney
2026-05-11 12:47 ` [PATCH 07/10] clk: amlogic: Support POWER_OF_TWO for PLL pre-divider Jian Hu via B4 Relay
2026-05-11 15:23 ` Brian Masney
2026-05-11 12:47 ` Jian Hu via B4 Relay [this message]
2026-05-11 15:36 ` [PATCH 08/10] clk: amlogic: Add A9 PLL clock controller driver Brian Masney
2026-05-11 12:47 ` [PATCH 09/10] clk: amlogic: Add A9 peripherals " Jian Hu via B4 Relay
2026-05-11 15:42 ` Brian Masney
2026-05-11 12:47 ` [PATCH 10/10] clk: amlogic: Add A9 AO " Jian Hu via B4 Relay
2026-05-11 15:45 ` Brian Masney
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