Merge tag 'meson-clk-5.1-2' of https://github.com/BayLibre/clk-meson into clk-meson

Pull another set of Amlogic clk drivers updates from Neil Armstrong:
 - Add G12A Always-On Clock Controller
 - Fix Meson8 APB clock ID name

* tag 'meson-clk-5.1-2' of https://github.com/BayLibre/clk-meson:
  clk: meson: meson8b: fix the naming of the APB clocks
  dt-bindings: clock: meson8b: add APB clock definition
  clk: meson: Add G12A AO Clock + Reset Controller
  dt-bindings: clk: add G12A AO Clock and Reset Bindings

10 files changed, 559 insertions, 15 deletions

diff --git a/Documentation/devicetree/bindings/clock/amlogic,gxbb-aoclkc.txt b/Documentation/devicetree/bindings/clock/amlogic,gxbb-aoclkc.txt
index 79511d7bb321..c41f0be5d438 100644
--- a/Documentation/devicetree/bindings/clock/amlogic,gxbb-aoclkc.txt
+++ b/Documentation/devicetree/bindings/clock/amlogic,gxbb-aoclkc.txt
@@ -10,6 +10,7 @@ Required Properties:
 	- GXL (S905X, S905D) : "amlogic,meson-gxl-aoclkc"
 	- GXM (S912) : "amlogic,meson-gxm-aoclkc"
 	- AXG (A113D, A113X) : "amlogic,meson-axg-aoclkc"
+	- G12A (S905X2, S905D2, S905Y2) : "amlogic,meson-g12a-aoclkc"
 	followed by the common "amlogic,meson-gx-aoclkc"
 - clocks: list of clock phandle, one for each entry clock-names.
 - clock-names: should contain the following:
diff --git a/drivers/clk/meson/Kconfig b/drivers/clk/meson/Kconfig
index b72439315340..3858747f5438 100644
--- a/drivers/clk/meson/Kconfig
+++ b/drivers/clk/meson/Kconfig
@@ -98,8 +98,10 @@ config COMMON_CLK_G12A
 	bool
 	depends on ARCH_MESON
 	select COMMON_CLK_MESON_REGMAP
+	select COMMON_CLK_MESON_DUALDIV
 	select COMMON_CLK_MESON_MPLL
 	select COMMON_CLK_MESON_PLL
+	select COMMON_CLK_MESON_AO_CLKC
 	select COMMON_CLK_MESON_EE_CLKC
 	select MFD_SYSCON
 	help
diff --git a/drivers/clk/meson/Makefile b/drivers/clk/meson/Makefile
index 32d17f18541e..021fc290e749 100644
--- a/drivers/clk/meson/Makefile
+++ b/drivers/clk/meson/Makefile
@@ -16,5 +16,5 @@ obj-$(CONFIG_COMMON_CLK_MESON_VID_PLL_DIV) += vid-pll-div.o
 obj-$(CONFIG_COMMON_CLK_AXG) += axg.o axg-aoclk.o
 obj-$(CONFIG_COMMON_CLK_AXG_AUDIO) += axg-audio.o
 obj-$(CONFIG_COMMON_CLK_GXBB) += gxbb.o gxbb-aoclk.o
-obj-$(CONFIG_COMMON_CLK_G12A) += g12a.o
+obj-$(CONFIG_COMMON_CLK_G12A) += g12a.o g12a-aoclk.o
 obj-$(CONFIG_COMMON_CLK_MESON8B) += meson8b.o
diff --git a/drivers/clk/meson/g12a-aoclk.c b/drivers/clk/meson/g12a-aoclk.c
new file mode 100644
index 000000000000..1994e735396b
--- /dev/null
+++ b/drivers/clk/meson/g12a-aoclk.c
@@ -0,0 +1,454 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Amlogic Meson-AXG Clock Controller Driver
+ *
+ * Copyright (c) 2016 Baylibre SAS.
+ * Author: Michael Turquette <mturquette@baylibre.com>
+ *
+ * Copyright (c) 2019 Baylibre SAS.
+ * Author: Neil Armstrong <narmstrong@baylibre.com>
+ */
+#include <linux/clk-provider.h>
+#include <linux/platform_device.h>
+#include <linux/reset-controller.h>
+#include <linux/mfd/syscon.h>
+#include "meson-aoclk.h"
+#include "g12a-aoclk.h"
+
+#include "clk-regmap.h"
+#include "clk-dualdiv.h"
+
+#define IN_PREFIX "ao-in-"
+
+/*
+ * AO Configuration Clock registers offsets
+ * Register offsets from the data sheet must be multiplied by 4.
+ */
+#define AO_RTI_STATUS_REG3	0x0C
+#define AO_RTI_PWR_CNTL_REG0	0x10
+#define AO_RTI_GEN_CNTL_REG0	0x40
+#define AO_CLK_GATE0		0x4c
+#define AO_CLK_GATE0_SP		0x50
+#define AO_OSCIN_CNTL		0x58
+#define AO_CEC_CLK_CNTL_REG0	0x74
+#define AO_CEC_CLK_CNTL_REG1	0x78
+#define AO_SAR_CLK		0x90
+#define AO_RTC_ALT_CLK_CNTL0	0x94
+#define AO_RTC_ALT_CLK_CNTL1	0x98
+
+/*
+ * Like every other peripheral clock gate in Amlogic Clock drivers,
+ * we are using CLK_IGNORE_UNUSED here, so we keep the state of the
+ * bootloader. The goal is to remove this flag at some point.
+ * Actually removing it will require some extensive test to be done safely.
+ */
+#define AXG_AO_GATE(_name, _reg, _bit)					\
+static struct clk_regmap g12a_aoclk_##_name = {				\
+	.data = &(struct clk_regmap_gate_data) {			\
+		.offset = (_reg),					\
+		.bit_idx = (_bit),					\
+	},								\
+	.hw.init = &(struct clk_init_data) {				\
+		.name =  "g12a_ao_" #_name,				\
+		.ops = &clk_regmap_gate_ops,				\
+		.parent_names = (const char *[]){ IN_PREFIX "mpeg-clk" }, \
+		.num_parents = 1,					\
+		.flags = CLK_IGNORE_UNUSED,				\
+	},								\
+}
+
+AXG_AO_GATE(ahb, AO_CLK_GATE0, 0);
+AXG_AO_GATE(ir_in, AO_CLK_GATE0, 1);
+AXG_AO_GATE(i2c_m0, AO_CLK_GATE0, 2);
+AXG_AO_GATE(i2c_s0, AO_CLK_GATE0, 3);
+AXG_AO_GATE(uart, AO_CLK_GATE0, 4);
+AXG_AO_GATE(prod_i2c, AO_CLK_GATE0, 5);
+AXG_AO_GATE(uart2, AO_CLK_GATE0, 6);
+AXG_AO_GATE(ir_out, AO_CLK_GATE0, 7);
+AXG_AO_GATE(saradc, AO_CLK_GATE0, 8);
+AXG_AO_GATE(mailbox, AO_CLK_GATE0_SP, 0);
+AXG_AO_GATE(m3, AO_CLK_GATE0_SP, 1);
+AXG_AO_GATE(ahb_sram, AO_CLK_GATE0_SP, 2);
+AXG_AO_GATE(rti, AO_CLK_GATE0_SP, 3);
+AXG_AO_GATE(m4_fclk, AO_CLK_GATE0_SP, 4);
+AXG_AO_GATE(m4_hclk, AO_CLK_GATE0_SP, 5);
+
+static struct clk_regmap g12a_aoclk_cts_oscin = {
+	.data = &(struct clk_regmap_gate_data){
+		.offset = AO_RTI_PWR_CNTL_REG0,
+		.bit_idx = 14,
+	},
+	.hw.init = &(struct clk_init_data){
+		.name = "cts_oscin",
+		.ops = &clk_regmap_gate_ro_ops,
+		.parent_names = (const char *[]){ IN_PREFIX "xtal" },
+		.num_parents = 1,
+	},
+};
+
+static const struct meson_clk_dualdiv_param g12a_32k_div_table[] = {
+	{
+		.dual	= 1,
+		.n1	= 733,
+		.m1	= 8,
+		.n2	= 732,
+		.m2	= 11,
+	}, {}
+};
+
+/* 32k_by_oscin clock */
+
+static struct clk_regmap g12a_aoclk_32k_by_oscin_pre = {
+	.data = &(struct clk_regmap_gate_data){
+		.offset = AO_RTC_ALT_CLK_CNTL0,
+		.bit_idx = 31,
+	},
+	.hw.init = &(struct clk_init_data){
+		.name = "g12a_ao_32k_by_oscin_pre",
+		.ops = &clk_regmap_gate_ops,
+		.parent_names = (const char *[]){ "cts_oscin" },
+		.num_parents = 1,
+	},
+};
+
+static struct clk_regmap g12a_aoclk_32k_by_oscin_div = {
+	.data = &(struct meson_clk_dualdiv_data){
+		.n1 = {
+			.reg_off = AO_RTC_ALT_CLK_CNTL0,
+			.shift   = 0,
+			.width   = 12,
+		},
+		.n2 = {
+			.reg_off = AO_RTC_ALT_CLK_CNTL0,
+			.shift   = 12,
+			.width   = 12,
+		},
+		.m1 = {
+			.reg_off = AO_RTC_ALT_CLK_CNTL1,
+			.shift   = 0,
+			.width   = 12,
+		},
+		.m2 = {
+			.reg_off = AO_RTC_ALT_CLK_CNTL1,
+			.shift   = 12,
+			.width   = 12,
+		},
+		.dual = {
+			.reg_off = AO_RTC_ALT_CLK_CNTL0,
+			.shift   = 28,
+			.width   = 1,
+		},
+		.table = g12a_32k_div_table,
+	},
+	.hw.init = &(struct clk_init_data){
+		.name = "g12a_ao_32k_by_oscin_div",
+		.ops = &meson_clk_dualdiv_ops,
+		.parent_names = (const char *[]){ "g12a_ao_32k_by_oscin_pre" },
+		.num_parents = 1,
+	},
+};
+
+static struct clk_regmap g12a_aoclk_32k_by_oscin_sel = {
+	.data = &(struct clk_regmap_mux_data) {
+		.offset = AO_RTC_ALT_CLK_CNTL1,
+		.mask = 0x1,
+		.shift = 24,
+		.flags = CLK_MUX_ROUND_CLOSEST,
+	},
+	.hw.init = &(struct clk_init_data){
+		.name = "g12a_ao_32k_by_oscin_sel",
+		.ops = &clk_regmap_mux_ops,
+		.parent_names = (const char *[]){ "g12a_ao_32k_by_oscin_div",
+						  "g12a_ao_32k_by_oscin_pre" },
+		.num_parents = 2,
+		.flags = CLK_SET_RATE_PARENT,
+	},
+};
+
+static struct clk_regmap g12a_aoclk_32k_by_oscin = {
+	.data = &(struct clk_regmap_gate_data){
+		.offset = AO_RTC_ALT_CLK_CNTL0,
+		.bit_idx = 30,
+	},
+	.hw.init = &(struct clk_init_data){
+		.name = "g12a_ao_32k_by_oscin",
+		.ops = &clk_regmap_gate_ops,
+		.parent_names = (const char *[]){ "g12a_ao_32k_by_oscin_sel" },
+		.num_parents = 1,
+		.flags = CLK_SET_RATE_PARENT,
+	},
+};
+
+/* cec clock */
+
+static struct clk_regmap g12a_aoclk_cec_pre = {
+	.data = &(struct clk_regmap_gate_data){
+		.offset = AO_CEC_CLK_CNTL_REG0,
+		.bit_idx = 31,
+	},
+	.hw.init = &(struct clk_init_data){
+		.name = "g12a_ao_cec_pre",
+		.ops = &clk_regmap_gate_ops,
+		.parent_names = (const char *[]){ "cts_oscin" },
+		.num_parents = 1,
+	},
+};
+
+static struct clk_regmap g12a_aoclk_cec_div = {
+	.data = &(struct meson_clk_dualdiv_data){
+		.n1 = {
+			.reg_off = AO_CEC_CLK_CNTL_REG0,
+			.shift   = 0,
+			.width   = 12,
+		},
+		.n2 = {
+			.reg_off = AO_CEC_CLK_CNTL_REG0,
+			.shift   = 12,
+			.width   = 12,
+		},
+		.m1 = {
+			.reg_off = AO_CEC_CLK_CNTL_REG1,
+			.shift   = 0,
+			.width   = 12,
+		},
+		.m2 = {
+			.reg_off = AO_CEC_CLK_CNTL_REG1,
+			.shift   = 12,
+			.width   = 12,
+		},
+		.dual = {
+			.reg_off = AO_CEC_CLK_CNTL_REG0,
+			.shift   = 28,
+			.width   = 1,
+		},
+		.table = g12a_32k_div_table,
+	},
+	.hw.init = &(struct clk_init_data){
+		.name = "g12a_ao_cec_div",
+		.ops = &meson_clk_dualdiv_ops,
+		.parent_names = (const char *[]){ "g12a_ao_cec_pre" },
+		.num_parents = 1,
+	},
+};
+
+static struct clk_regmap g12a_aoclk_cec_sel = {
+	.data = &(struct clk_regmap_mux_data) {
+		.offset = AO_CEC_CLK_CNTL_REG1,
+		.mask = 0x1,
+		.shift = 24,
+		.flags = CLK_MUX_ROUND_CLOSEST,
+	},
+	.hw.init = &(struct clk_init_data){
+		.name = "g12a_ao_cec_sel",
+		.ops = &clk_regmap_mux_ops,
+		.parent_names = (const char *[]){ "g12a_ao_cec_div",
+						  "g12a_ao_cec_pre" },
+		.num_parents = 2,
+		.flags = CLK_SET_RATE_PARENT,
+	},
+};
+
+static struct clk_regmap g12a_aoclk_cec = {
+	.data = &(struct clk_regmap_gate_data){
+		.offset = AO_CEC_CLK_CNTL_REG0,
+		.bit_idx = 30,
+	},
+	.hw.init = &(struct clk_init_data){
+		.name = "g12a_ao_cec",
+		.ops = &clk_regmap_gate_ops,
+		.parent_names = (const char *[]){ "g12a_ao_cec_sel" },
+		.num_parents = 1,
+		.flags = CLK_SET_RATE_PARENT,
+	},
+};
+
+static struct clk_regmap g12a_aoclk_cts_rtc_oscin = {
+	.data = &(struct clk_regmap_mux_data) {
+		.offset = AO_RTI_PWR_CNTL_REG0,
+		.mask = 0x1,
+		.shift = 10,
+		.flags = CLK_MUX_ROUND_CLOSEST,
+	},
+	.hw.init = &(struct clk_init_data){
+		.name = "g12a_ao_cts_rtc_oscin",
+		.ops = &clk_regmap_mux_ops,
+		.parent_names = (const char *[]){ "g12a_ao_32k_by_oscin",
+						  IN_PREFIX "ext_32k-0" },
+		.num_parents = 2,
+		.flags = CLK_SET_RATE_PARENT,
+	},
+};
+
+static struct clk_regmap g12a_aoclk_clk81 = {
+	.data = &(struct clk_regmap_mux_data) {
+		.offset = AO_RTI_PWR_CNTL_REG0,
+		.mask = 0x1,
+		.shift = 8,
+		.flags = CLK_MUX_ROUND_CLOSEST,
+	},
+	.hw.init = &(struct clk_init_data){
+		.name = "g12a_ao_clk81",
+		.ops = &clk_regmap_mux_ro_ops,
+		.parent_names = (const char *[]){ IN_PREFIX "mpeg-clk",
+						  "g12a_ao_cts_rtc_oscin"},
+		.num_parents = 2,
+		.flags = CLK_SET_RATE_PARENT,
+	},
+};
+
+static struct clk_regmap g12a_aoclk_saradc_mux = {
+	.data = &(struct clk_regmap_mux_data) {
+		.offset = AO_SAR_CLK,
+		.mask = 0x3,
+		.shift = 9,
+	},
+	.hw.init = &(struct clk_init_data){
+		.name = "g12a_ao_saradc_mux",
+		.ops = &clk_regmap_mux_ops,
+		.parent_names = (const char *[]){ IN_PREFIX "xtal",
+						  "g12a_ao_clk81" },
+		.num_parents = 2,
+	},
+};
+
+static struct clk_regmap g12a_aoclk_saradc_div = {
+	.data = &(struct clk_regmap_div_data) {
+		.offset = AO_SAR_CLK,
+		.shift = 0,
+		.width = 8,
+	},
+	.hw.init = &(struct clk_init_data){
+		.name = "g12a_ao_saradc_div",
+		.ops = &clk_regmap_divider_ops,
+		.parent_names = (const char *[]){ "g12a_ao_saradc_mux" },
+		.num_parents = 1,
+		.flags = CLK_SET_RATE_PARENT,
+	},
+};
+
+static struct clk_regmap g12a_aoclk_saradc_gate = {
+	.data = &(struct clk_regmap_gate_data) {
+		.offset = AO_SAR_CLK,
+		.bit_idx = 8,
+	},
+	.hw.init = &(struct clk_init_data){
+		.name = "g12a_ao_saradc_gate",
+		.ops = &clk_regmap_gate_ops,
+		.parent_names = (const char *[]){ "g12a_ao_saradc_div" },
+		.num_parents = 1,
+		.flags = CLK_SET_RATE_PARENT,
+	},
+};
+
+static const unsigned int g12a_aoclk_reset[] = {
+	[RESET_AO_IR_IN]	= 16,
+	[RESET_AO_UART]		= 17,
+	[RESET_AO_I2C_M]	= 18,
+	[RESET_AO_I2C_S]	= 19,
+	[RESET_AO_SAR_ADC]	= 20,
+	[RESET_AO_UART2]	= 22,
+	[RESET_AO_IR_OUT]	= 23,
+};
+
+static struct clk_regmap *g12a_aoclk_regmap[] = {
+	&g12a_aoclk_ahb,
+	&g12a_aoclk_ir_in,
+	&g12a_aoclk_i2c_m0,
+	&g12a_aoclk_i2c_s0,
+	&g12a_aoclk_uart,
+	&g12a_aoclk_prod_i2c,
+	&g12a_aoclk_uart2,
+	&g12a_aoclk_ir_out,
+	&g12a_aoclk_saradc,
+	&g12a_aoclk_mailbox,
+	&g12a_aoclk_m3,
+	&g12a_aoclk_ahb_sram,
+	&g12a_aoclk_rti,
+	&g12a_aoclk_m4_fclk,
+	&g12a_aoclk_m4_hclk,
+	&g12a_aoclk_cts_oscin,
+	&g12a_aoclk_32k_by_oscin_pre,
+	&g12a_aoclk_32k_by_oscin_div,
+	&g12a_aoclk_32k_by_oscin_sel,
+	&g12a_aoclk_32k_by_oscin,
+	&g12a_aoclk_cec_pre,
+	&g12a_aoclk_cec_div,
+	&g12a_aoclk_cec_sel,
+	&g12a_aoclk_cec,
+	&g12a_aoclk_cts_rtc_oscin,
+	&g12a_aoclk_clk81,
+	&g12a_aoclk_saradc_mux,
+	&g12a_aoclk_saradc_div,
+	&g12a_aoclk_saradc_gate,
+};
+
+static const struct clk_hw_onecell_data g12a_aoclk_onecell_data = {
+	.hws = {
+		[CLKID_AO_AHB]		= &g12a_aoclk_ahb.hw,
+		[CLKID_AO_IR_IN]	= &g12a_aoclk_ir_in.hw,
+		[CLKID_AO_I2C_M0]	= &g12a_aoclk_i2c_m0.hw,
+		[CLKID_AO_I2C_S0]	= &g12a_aoclk_i2c_s0.hw,
+		[CLKID_AO_UART]		= &g12a_aoclk_uart.hw,
+		[CLKID_AO_PROD_I2C]	= &g12a_aoclk_prod_i2c.hw,
+		[CLKID_AO_UART2]	= &g12a_aoclk_uart2.hw,
+		[CLKID_AO_IR_OUT]	= &g12a_aoclk_ir_out.hw,
+		[CLKID_AO_SAR_ADC]	= &g12a_aoclk_saradc.hw,
+		[CLKID_AO_MAILBOX]	= &g12a_aoclk_mailbox.hw,
+		[CLKID_AO_M3]		= &g12a_aoclk_m3.hw,
+		[CLKID_AO_AHB_SRAM]	= &g12a_aoclk_ahb_sram.hw,
+		[CLKID_AO_RTI]		= &g12a_aoclk_rti.hw,
+		[CLKID_AO_M4_FCLK]	= &g12a_aoclk_m4_fclk.hw,
+		[CLKID_AO_M4_HCLK]	= &g12a_aoclk_m4_hclk.hw,
+		[CLKID_AO_CLK81]	= &g12a_aoclk_clk81.hw,
+		[CLKID_AO_SAR_ADC_SEL]	= &g12a_aoclk_saradc_mux.hw,
+		[CLKID_AO_SAR_ADC_DIV]	= &g12a_aoclk_saradc_div.hw,
+		[CLKID_AO_SAR_ADC_CLK]	= &g12a_aoclk_saradc_gate.hw,
+		[CLKID_AO_CTS_OSCIN]	= &g12a_aoclk_cts_oscin.hw,
+		[CLKID_AO_32K_PRE]	= &g12a_aoclk_32k_by_oscin_pre.hw,
+		[CLKID_AO_32K_DIV]	= &g12a_aoclk_32k_by_oscin_div.hw,
+		[CLKID_AO_32K_SEL]	= &g12a_aoclk_32k_by_oscin_sel.hw,
+		[CLKID_AO_32K]		= &g12a_aoclk_32k_by_oscin.hw,
+		[CLKID_AO_CEC_PRE]	= &g12a_aoclk_cec_pre.hw,
+		[CLKID_AO_CEC_DIV]	= &g12a_aoclk_cec_div.hw,
+		[CLKID_AO_CEC_SEL]	= &g12a_aoclk_cec_sel.hw,
+		[CLKID_AO_CEC]		= &g12a_aoclk_cec.hw,
+		[CLKID_AO_CTS_RTC_OSCIN] = &g12a_aoclk_cts_rtc_oscin.hw,
+	},
+	.num = NR_CLKS,
+};
+
+static const struct meson_aoclk_input g12a_aoclk_inputs[] = {
+	{ .name = "xtal",	.required = true  },
+	{ .name = "mpeg-clk",	.required = true  },
+	{ .name = "ext-32k-0",	.required = false },
+};
+
+static const struct meson_aoclk_data g12a_aoclkc_data = {
+	.reset_reg	= AO_RTI_GEN_CNTL_REG0,
+	.num_reset	= ARRAY_SIZE(g12a_aoclk_reset),
+	.reset		= g12a_aoclk_reset,
+	.num_clks	= ARRAY_SIZE(g12a_aoclk_regmap),
+	.clks		= g12a_aoclk_regmap,
+	.hw_data	= &g12a_aoclk_onecell_data,
+	.inputs		= g12a_aoclk_inputs,
+	.num_inputs	= ARRAY_SIZE(g12a_aoclk_inputs),
+	.input_prefix	= IN_PREFIX,
+};
+
+static const struct of_device_id g12a_aoclkc_match_table[] = {
+	{
+		.compatible	= "amlogic,meson-g12a-aoclkc",
+		.data		= &g12a_aoclkc_data,
+	},
+	{ }
+};
+
+static struct platform_driver g12a_aoclkc_driver = {
+	.probe		= meson_aoclkc_probe,
+	.driver		= {
+		.name	= "g12a-aoclkc",
+		.of_match_table = g12a_aoclkc_match_table,
+	},
+};
+
+builtin_platform_driver(g12a_aoclkc_driver);
diff --git a/drivers/clk/meson/g12a-aoclk.h b/drivers/clk/meson/g12a-aoclk.h
new file mode 100644
index 000000000000..04b0d5506641
--- /dev/null
+++ b/drivers/clk/meson/g12a-aoclk.h
@@ -0,0 +1,34 @@
+/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
+/*
+ * Copyright (c) 2019 BayLibre, SAS
+ * Author: Neil Armstrong <narmstrong@baylibre.com>
+ */
+
+#ifndef __G12A_AOCLKC_H
+#define __G12A_AOCLKC_H
+
+/*
+ * CLKID index values
+ *
+ * These indices are entirely contrived and do not map onto the hardware.
+ * It has now been decided to expose everything by default in the DT header:
+ * include/dt-bindings/clock/g12a-aoclkc.h. Only the clocks ids we don't want
+ * to expose, such as the internal muxes and dividers of composite clocks,
+ * will remain defined here.
+ */
+#define CLKID_AO_SAR_ADC_SEL	16
+#define CLKID_AO_SAR_ADC_DIV	17
+#define CLKID_AO_CTS_OSCIN	19
+#define CLKID_AO_32K_PRE	20
+#define CLKID_AO_32K_DIV	21
+#define CLKID_AO_32K_SEL	22
+#define CLKID_AO_CEC_PRE	24
+#define CLKID_AO_CEC_DIV	25
+#define CLKID_AO_CEC_SEL	26
+
+#define NR_CLKS	29
+
+#include <dt-bindings/clock/g12a-aoclkc.h>
+#include <dt-bindings/reset/g12a-aoclkc.h>
+
+#endif /* __G12A_AOCLKC_H */
diff --git a/drivers/clk/meson/meson8b.c b/drivers/clk/meson/meson8b.c
index 23b1e355a849..576ad42252d0 100644
--- a/drivers/clk/meson/meson8b.c
+++ b/drivers/clk/meson/meson8b.c
@@ -804,16 +804,16 @@ static struct clk_fixed_factor meson8b_cpu_clk_div8 = {
 	},
 };
 
-static u32 mux_table_abp[] = { 1, 2, 3, 4, 5, 6, 7 };
-static struct clk_regmap meson8b_abp_clk_sel = {
+static u32 mux_table_apb[] = { 1, 2, 3, 4, 5, 6, 7 };
+static struct clk_regmap meson8b_apb_clk_sel = {
 	.data = &(struct clk_regmap_mux_data){
 		.offset = HHI_SYS_CPU_CLK_CNTL1,
 		.mask = 0x7,
 		.shift = 3,
-		.table = mux_table_abp,
+		.table = mux_table_apb,
 	},
 	.hw.init = &(struct clk_init_data){
-		.name = "abp_clk_sel",
+		.name = "apb_clk_sel",
 		.ops = &clk_regmap_mux_ops,
 		.parent_names = (const char *[]){ "cpu_clk_div2",
 						  "cpu_clk_div3",
@@ -826,16 +826,16 @@ static struct clk_regmap meson8b_abp_clk_sel = {
 	},
 };
 
-static struct clk_regmap meson8b_abp_clk_gate = {
+static struct clk_regmap meson8b_apb_clk_gate = {
 	.data = &(struct clk_regmap_gate_data){
 		.offset = HHI_SYS_CPU_CLK_CNTL1,
 		.bit_idx = 16,
 		.flags = CLK_GATE_SET_TO_DISABLE,
 	},
 	.hw.init = &(struct clk_init_data){
-		.name = "abp_clk_dis",
+		.name = "apb_clk_dis",
 		.ops = &clk_regmap_gate_ro_ops,
-		.parent_names = (const char *[]){ "abp_clk_sel" },
+		.parent_names = (const char *[]){ "apb_clk_sel" },
 		.num_parents = 1,
 		.flags = CLK_SET_RATE_PARENT,
 	},
@@ -1911,8 +1911,8 @@ static struct clk_hw_onecell_data meson8_hw_onecell_data = {
 		[CLKID_CPU_CLK_DIV6]	    = &meson8b_cpu_clk_div6.hw,
 		[CLKID_CPU_CLK_DIV7]	    = &meson8b_cpu_clk_div7.hw,
 		[CLKID_CPU_CLK_DIV8]	    = &meson8b_cpu_clk_div8.hw,
-		[CLKID_ABP_SEL]		    = &meson8b_abp_clk_sel.hw,
-		[CLKID_ABP]		    = &meson8b_abp_clk_gate.hw,
+		[CLKID_APB_SEL]		    = &meson8b_apb_clk_sel.hw,
+		[CLKID_APB]		    = &meson8b_apb_clk_gate.hw,
 		[CLKID_PERIPH_SEL]	    = &meson8b_periph_clk_sel.hw,
 		[CLKID_PERIPH]		    = &meson8b_periph_clk_gate.hw,
 		[CLKID_AXI_SEL]		    = &meson8b_axi_clk_sel.hw,
@@ -2093,8 +2093,8 @@ static struct clk_hw_onecell_data meson8b_hw_onecell_data = {
 		[CLKID_CPU_CLK_DIV6]	    = &meson8b_cpu_clk_div6.hw,
 		[CLKID_CPU_CLK_DIV7]	    = &meson8b_cpu_clk_div7.hw,
 		[CLKID_CPU_CLK_DIV8]	    = &meson8b_cpu_clk_div8.hw,
-		[CLKID_ABP_SEL]		    = &meson8b_abp_clk_sel.hw,
-		[CLKID_ABP]		    = &meson8b_abp_clk_gate.hw,
+		[CLKID_APB_SEL]		    = &meson8b_apb_clk_sel.hw,
+		[CLKID_APB]		    = &meson8b_apb_clk_gate.hw,
 		[CLKID_PERIPH_SEL]	    = &meson8b_periph_clk_sel.hw,
 		[CLKID_PERIPH]		    = &meson8b_periph_clk_gate.hw,
 		[CLKID_AXI_SEL]		    = &meson8b_axi_clk_sel.hw,
@@ -2262,8 +2262,8 @@ static struct clk_regmap *const meson8b_clk_regmaps[] = {
 	&meson8b_fixed_pll_dco,
 	&meson8b_hdmi_pll_dco,
 	&meson8b_sys_pll_dco,
-	&meson8b_abp_clk_sel,
-	&meson8b_abp_clk_gate,
+	&meson8b_apb_clk_sel,
+	&meson8b_apb_clk_gate,
 	&meson8b_periph_clk_sel,
 	&meson8b_periph_clk_gate,
 	&meson8b_axi_clk_sel,
diff --git a/drivers/clk/meson/meson8b.h b/drivers/clk/meson/meson8b.h
index f212e2304ff5..b8c58faeae52 100644
--- a/drivers/clk/meson/meson8b.h
+++ b/drivers/clk/meson/meson8b.h
@@ -92,7 +92,7 @@
 #define CLKID_CPU_CLK_DIV6	120
 #define CLKID_CPU_CLK_DIV7	121
 #define CLKID_CPU_CLK_DIV8	122
-#define CLKID_ABP_SEL		123
+#define CLKID_APB_SEL		123
 #define CLKID_PERIPH_SEL	125
 #define CLKID_AXI_SEL		127
 #define CLKID_L2_DRAM_SEL	129
diff --git a/include/dt-bindings/clock/g12a-aoclkc.h b/include/dt-bindings/clock/g12a-aoclkc.h
new file mode 100644
index 000000000000..8db01ffbeb06
--- /dev/null
+++ b/include/dt-bindings/clock/g12a-aoclkc.h
@@ -0,0 +1,34 @@
+/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
+/*
+ * Copyright (c) 2016 BayLibre, SAS
+ * Author: Neil Armstrong <narmstrong@baylibre.com>
+ *
+ * Copyright (c) 2018 Amlogic, inc.
+ * Author: Qiufang Dai <qiufang.dai@amlogic.com>
+ */
+
+#ifndef DT_BINDINGS_CLOCK_AMLOGIC_MESON_G12A_AOCLK
+#define DT_BINDINGS_CLOCK_AMLOGIC_MESON_G12A_AOCLK
+
+#define CLKID_AO_AHB		0
+#define CLKID_AO_IR_IN		1
+#define CLKID_AO_I2C_M0		2
+#define CLKID_AO_I2C_S0		3
+#define CLKID_AO_UART		4
+#define CLKID_AO_PROD_I2C	5
+#define CLKID_AO_UART2		6
+#define CLKID_AO_IR_OUT		7
+#define CLKID_AO_SAR_ADC	8
+#define CLKID_AO_MAILBOX	9
+#define CLKID_AO_M3		10
+#define CLKID_AO_AHB_SRAM	11
+#define CLKID_AO_RTI		12
+#define CLKID_AO_M4_FCLK	13
+#define CLKID_AO_M4_HCLK	14
+#define CLKID_AO_CLK81		15
+#define CLKID_AO_SAR_ADC_CLK	18
+#define CLKID_AO_32K		23
+#define CLKID_AO_CEC		27
+#define CLKID_AO_CTS_RTC_OSCIN	28
+
+#endif
diff --git a/include/dt-bindings/clock/meson8b-clkc.h b/include/dt-bindings/clock/meson8b-clkc.h
index 5fe2923382d0..8067077a62ca 100644
--- a/include/dt-bindings/clock/meson8b-clkc.h
+++ b/include/dt-bindings/clock/meson8b-clkc.h
@@ -104,6 +104,7 @@
 #define CLKID_MPLL2		95
 #define CLKID_NAND_CLK		112
 #define CLKID_ABP		124
+#define CLKID_APB		124
 #define CLKID_PERIPH		126
 #define CLKID_AXI		128
 #define CLKID_L2_DRAM		130
diff --git a/include/dt-bindings/reset/g12a-aoclkc.h b/include/dt-bindings/reset/g12a-aoclkc.h
new file mode 100644
index 000000000000..bd2e2337135c
--- /dev/null
+++ b/include/dt-bindings/reset/g12a-aoclkc.h
@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
+/*
+ * Copyright (c) 2016 BayLibre, SAS
+ * Author: Neil Armstrong <narmstrong@baylibre.com>
+ */
+
+#ifndef DT_BINDINGS_RESET_AMLOGIC_MESON_G12A_AOCLK
+#define DT_BINDINGS_RESET_AMLOGIC_MESON_G12A_AOCLK
+
+#define RESET_AO_IR_IN		0
+#define RESET_AO_UART		1
+#define RESET_AO_I2C_M		2
+#define RESET_AO_I2C_S		3
+#define RESET_AO_SAR_ADC	4
+#define RESET_AO_UART2		5
+#define RESET_AO_IR_OUT		6
+
+#endif