Merge tag 'meson-clk-4.18-1' of https://github.com/BayLibre/clk-meson into clk-meson

Pull meson clk driver updates from Jerome Brunet:

 - Add meson8b nand clocks
 - Add gxbb video decoder clocks
 - Rework of gxbb AO clock controller code to allow code reuse
 - Add axg AO clock controller

A rework of the AO clock controller found on the gxbb SoC family has
been done to improve code re-usability before introducing a very similar
controller for the axg SoC family.

* tag 'meson-clk-4.18-1' of https://github.com/BayLibre/clk-meson:
  clk: meson: drop CLK_SET_RATE_PARENT flag
  clk: meson-axg: Add AO Clock and Reset controller driver
  clk: meson: aoclk: refactor common code into dedicated file
  clk: meson: migrate to devm_of_clk_add_hw_provider API
  clk: meson: gxbb: add the video decoder clocks
  clk: meson: meson8b: add support for the NAND clocks
  dt-bindings: clock: reset: Add AXG AO Clock and Reset Bindings
  dt-bindings: clock: axg-aoclkc: New binding for Meson-AXG SoC
  clk: meson: gxbb: expose VDEC_1 and VDEC_HEVC clocks
  dt-bindings: clock: meson8b: export the NAND clock

Documentation/devicetree/bindings/clock/amlogic,gxbb-aoclkc.txt

@@ -9,6 +9,7 @@ Required Properties:
 	- GXBB (S905) : "amlogic,meson-gxbb-aoclkc"
 	- GXL (S905X, S905D) : "amlogic,meson-gxl-aoclkc"
 	- GXM (S912) : "amlogic,meson-gxm-aoclkc"
+	- AXG (A113D, A113X) : "amlogic,meson-axg-aoclkc"
 	followed by the common "amlogic,meson-gx-aoclkc"
 
 - #clock-cells: should be 1.

drivers/clk/meson/Kconfig

@@ -3,6 +3,12 @@ config COMMON_CLK_AMLOGIC
 	depends on OF
 	depends on ARCH_MESON || COMPILE_TEST
 
+config COMMON_CLK_MESON_AO
+	bool
+	depends on OF
+	depends on ARCH_MESON || COMPILE_TEST
+	select COMMON_CLK_REGMAP_MESON
+
 config COMMON_CLK_REGMAP_MESON
 	bool
 	select REGMAP
@@ -21,6 +27,7 @@ config COMMON_CLK_GXBB
 	bool
 	depends on COMMON_CLK_AMLOGIC
 	select RESET_CONTROLLER
+	select COMMON_CLK_MESON_AO
 	select COMMON_CLK_REGMAP_MESON
 	select MFD_SYSCON
 	help
@@ -31,6 +38,7 @@ config COMMON_CLK_AXG
 	bool
 	depends on COMMON_CLK_AMLOGIC
 	select RESET_CONTROLLER
+	select COMMON_CLK_MESON_AO
 	select COMMON_CLK_REGMAP_MESON
 	select MFD_SYSCON
 	help

drivers/clk/meson/Makefile

@@ -3,7 +3,8 @@
 #
 
 obj-$(CONFIG_COMMON_CLK_AMLOGIC) += clk-pll.o clk-mpll.o clk-audio-divider.o
+obj-$(CONFIG_COMMON_CLK_MESON_AO) += meson-aoclk.o
 obj-$(CONFIG_COMMON_CLK_MESON8B) += meson8b.o
 obj-$(CONFIG_COMMON_CLK_GXBB)	 += gxbb.o gxbb-aoclk.o gxbb-aoclk-32k.o
-obj-$(CONFIG_COMMON_CLK_AXG)	 += axg.o
+obj-$(CONFIG_COMMON_CLK_AXG)	 += axg.o axg-aoclk.o
 obj-$(CONFIG_COMMON_CLK_REGMAP_MESON)	+= clk-regmap.o

drivers/clk/meson/axg-aoclk.c

+// 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) 2018 Amlogic, inc.
+ * Author: Qiufang Dai <qiufang.dai@amlogic.com>
+ */
+#include <linux/clk-provider.h>
+#include <linux/platform_device.h>
+#include <linux/reset-controller.h>
+#include <linux/mfd/syscon.h>
+#include "clk-regmap.h"
+#include "meson-aoclk.h"
+#include "axg-aoclk.h"
+
+#define AXG_AO_GATE(_name, _bit)					\
+static struct clk_regmap axg_aoclk_##_name = {				\
+	.data = &(struct clk_regmap_gate_data) {			\
+		.offset = (AO_RTI_GEN_CNTL_REG0),			\
+		.bit_idx = (_bit),					\
+	},								\
+	.hw.init = &(struct clk_init_data) {				\
+		.name =  "axg_ao_" #_name,				\
+		.ops = &clk_regmap_gate_ops,				\
+		.parent_names = (const char *[]){ "clk81" },		\
+		.num_parents = 1,					\
+		.flags = CLK_IGNORE_UNUSED,				\
+	},								\
+}
+
+AXG_AO_GATE(remote, 0);
+AXG_AO_GATE(i2c_master, 1);
+AXG_AO_GATE(i2c_slave, 2);
+AXG_AO_GATE(uart1, 3);
+AXG_AO_GATE(uart2, 5);
+AXG_AO_GATE(ir_blaster, 6);
+AXG_AO_GATE(saradc, 7);
+
+static struct clk_regmap axg_aoclk_clk81 = {
+	.data = &(struct clk_regmap_mux_data) {
+		.offset = AO_RTI_PWR_CNTL_REG0,
+		.mask = 0x1,
+		.shift = 8,
+	},
+	.hw.init = &(struct clk_init_data){
+		.name = "axg_ao_clk81",
+		.ops = &clk_regmap_mux_ro_ops,
+		.parent_names = (const char *[]){ "clk81", "ao_alt_xtal"},
+		.num_parents = 2,
+	},
+};
+
+static struct clk_regmap axg_aoclk_saradc_mux = {
+	.data = &(struct clk_regmap_mux_data) {
+		.offset = AO_SAR_CLK,
+		.mask = 0x3,
+		.shift = 9,
+	},
+	.hw.init = &(struct clk_init_data){
+		.name = "axg_ao_saradc_mux",
+		.ops = &clk_regmap_mux_ops,
+		.parent_names = (const char *[]){ "xtal", "axg_ao_clk81" },
+		.num_parents = 2,
+	},
+};
+
+static struct clk_regmap axg_aoclk_saradc_div = {
+	.data = &(struct clk_regmap_div_data) {
+		.offset = AO_SAR_CLK,
+		.shift = 0,
+		.width = 8,
+	},
+	.hw.init = &(struct clk_init_data){
+		.name = "axg_ao_saradc_div",
+		.ops = &clk_regmap_divider_ops,
+		.parent_names = (const char *[]){ "axg_ao_saradc_mux" },
+		.num_parents = 1,
+		.flags = CLK_SET_RATE_PARENT,
+	},
+};
+
+static struct clk_regmap axg_aoclk_saradc_gate = {
+	.data = &(struct clk_regmap_gate_data) {
+		.offset = AO_SAR_CLK,
+		.bit_idx = 8,
+	},
+	.hw.init = &(struct clk_init_data){
+		.name = "axg_ao_saradc_gate",
+		.ops = &clk_regmap_gate_ops,
+		.parent_names = (const char *[]){ "axg_ao_saradc_div" },
+		.num_parents = 1,
+		.flags = CLK_SET_RATE_PARENT,
+	},
+};
+
+static const unsigned int axg_aoclk_reset[] = {
+	[RESET_AO_REMOTE]	= 16,
+	[RESET_AO_I2C_MASTER]	= 18,
+	[RESET_AO_I2C_SLAVE]	= 19,
+	[RESET_AO_UART1]	= 17,
+	[RESET_AO_UART2]	= 22,
+	[RESET_AO_IR_BLASTER]	= 23,
+};
+
+static struct clk_regmap *axg_aoclk_regmap[] = {
+	[CLKID_AO_REMOTE]	= &axg_aoclk_remote,
+	[CLKID_AO_I2C_MASTER]	= &axg_aoclk_i2c_master,
+	[CLKID_AO_I2C_SLAVE]	= &axg_aoclk_i2c_slave,
+	[CLKID_AO_UART1]	= &axg_aoclk_uart1,
+	[CLKID_AO_UART2]	= &axg_aoclk_uart2,
+	[CLKID_AO_IR_BLASTER]	= &axg_aoclk_ir_blaster,
+	[CLKID_AO_SAR_ADC]	= &axg_aoclk_saradc,
+	[CLKID_AO_CLK81]	= &axg_aoclk_clk81,
+	[CLKID_AO_SAR_ADC_SEL]	= &axg_aoclk_saradc_mux,
+	[CLKID_AO_SAR_ADC_DIV]	= &axg_aoclk_saradc_div,
+	[CLKID_AO_SAR_ADC_CLK]	= &axg_aoclk_saradc_gate,
+};
+
+static const struct clk_hw_onecell_data axg_aoclk_onecell_data = {
+	.hws = {
+		[CLKID_AO_REMOTE]	= &axg_aoclk_remote.hw,
+		[CLKID_AO_I2C_MASTER]	= &axg_aoclk_i2c_master.hw,
+		[CLKID_AO_I2C_SLAVE]	= &axg_aoclk_i2c_slave.hw,
+		[CLKID_AO_UART1]	= &axg_aoclk_uart1.hw,
+		[CLKID_AO_UART2]	= &axg_aoclk_uart2.hw,
+		[CLKID_AO_IR_BLASTER]	= &axg_aoclk_ir_blaster.hw,
+		[CLKID_AO_SAR_ADC]	= &axg_aoclk_saradc.hw,
+		[CLKID_AO_CLK81]	= &axg_aoclk_clk81.hw,
+		[CLKID_AO_SAR_ADC_SEL]	= &axg_aoclk_saradc_mux.hw,
+		[CLKID_AO_SAR_ADC_DIV]	= &axg_aoclk_saradc_div.hw,
+		[CLKID_AO_SAR_ADC_CLK]	= &axg_aoclk_saradc_gate.hw,
+	},
+	.num = NR_CLKS,
+};
+
+static const struct meson_aoclk_data axg_aoclkc_data = {
+	.reset_reg	= AO_RTI_GEN_CNTL_REG0,
+	.num_reset	= ARRAY_SIZE(axg_aoclk_reset),
+	.reset		= axg_aoclk_reset,
+	.num_clks	= ARRAY_SIZE(axg_aoclk_regmap),
+	.clks		= axg_aoclk_regmap,
+	.hw_data	= &axg_aoclk_onecell_data,
+};
+
+static const struct of_device_id axg_aoclkc_match_table[] = {
+	{
+		.compatible	= "amlogic,meson-axg-aoclkc",
+		.data		= &axg_aoclkc_data,
+	},
+	{ }
+};
+
+static struct platform_driver axg_aoclkc_driver = {
+	.probe		= meson_aoclkc_probe,
+	.driver		= {
+		.name	= "axg-aoclkc",
+		.of_match_table = axg_aoclkc_match_table,
+	},
+};
+
+builtin_platform_driver(axg_aoclkc_driver);

drivers/clk/meson/axg-aoclk.h

+/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
+/*
+ * Copyright (c) 2017 BayLibre, SAS
+ * Author: Neil Armstrong <narmstrong@baylibre.com>
+ *
+ * Copyright (c) 2018 Amlogic, inc.
+ * Author: Qiufang Dai <qiufang.dai@amlogic.com>
+ */
+
+#ifndef __AXG_AOCLKC_H
+#define __AXG_AOCLKC_H
+
+#define NR_CLKS	11
+/* AO Configuration Clock registers offsets
+ * Register offsets from the data sheet must be multiplied by 4.
+ */
+#define AO_RTI_PWR_CNTL_REG1	0x0C
+#define AO_RTI_PWR_CNTL_REG0	0x10
+#define AO_RTI_GEN_CNTL_REG0	0x40
+#define AO_OSCIN_CNTL		0x58
+#define AO_CRT_CLK_CNTL1	0x68
+#define AO_SAR_CLK		0x90
+#define AO_RTC_ALT_CLK_CNTL0	0x94
+#define AO_RTC_ALT_CLK_CNTL1	0x98
+
+#include <dt-bindings/clock/axg-aoclkc.h>
+#include <dt-bindings/reset/axg-aoclkc.h>
+
+#endif /* __AXG_AOCLKC_H */

drivers/clk/meson/gxbb-aoclk.c

@@ -52,39 +52,12 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#include <linux/clk-provider.h>
-#include <linux/of_address.h>
 #include <linux/platform_device.h>
-#include <linux/reset-controller.h>
 #include <linux/mfd/syscon.h>
-#include <linux/regmap.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <dt-bindings/clock/gxbb-aoclkc.h>
-#include <dt-bindings/reset/gxbb-aoclkc.h>
 #include "clk-regmap.h"
+#include "meson-aoclk.h"
 #include "gxbb-aoclk.h"
 
-struct gxbb_aoclk_reset_controller {
-	struct reset_controller_dev reset;
-	unsigned int *data;
-	struct regmap *regmap;
-};
-
-static int gxbb_aoclk_do_reset(struct reset_controller_dev *rcdev,
-			       unsigned long id)
-{
-	struct gxbb_aoclk_reset_controller *reset =
-		container_of(rcdev, struct gxbb_aoclk_reset_controller, reset);
-
-	return regmap_write(reset->regmap, AO_RTI_GEN_CNTL_REG0,
-			    BIT(reset->data[id]));
-}
-
-static const struct reset_control_ops gxbb_aoclk_reset_ops = {
-	.reset = gxbb_aoclk_do_reset,
-};
-
 #define GXBB_AO_GATE(_name, _bit)					\
 static struct clk_regmap _name##_ao = {					\
 	.data = &(struct clk_regmap_gate_data) {			\
@@ -96,7 +69,7 @@ static struct clk_regmap _name##_ao = {					\
 		.ops = &clk_regmap_gate_ops,				\
 		.parent_names = (const char *[]){ "clk81" },		\
 		.num_parents = 1,					\
-		.flags = (CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED),	\
+		.flags = CLK_IGNORE_UNUSED,				\
 	},								\
 }
 
@@ -117,7 +90,7 @@ static struct aoclk_cec_32k cec_32k_ao = {
 	},
 };
 
-static unsigned int gxbb_aoclk_reset[] = {
+static const unsigned int gxbb_aoclk_reset[] = {
 	[RESET_AO_REMOTE] = 16,
 	[RESET_AO_I2C_MASTER] = 18,
 	[RESET_AO_I2C_SLAVE] = 19,
@@ -135,7 +108,7 @@ static struct clk_regmap *gxbb_aoclk_gate[] = {
 	[CLKID_AO_IR_BLASTER] = &ir_blaster_ao,
 };
 
-static struct clk_hw_onecell_data gxbb_aoclk_onecell_data = {
+static const struct clk_hw_onecell_data gxbb_aoclk_onecell_data = {
 	.hws = {
 		[CLKID_AO_REMOTE] = &remote_ao.hw,
 		[CLKID_AO_I2C_MASTER] = &i2c_master_ao.hw,
@@ -145,58 +118,55 @@ static struct clk_hw_onecell_data gxbb_aoclk_onecell_data = {
 		[CLKID_AO_IR_BLASTER] = &ir_blaster_ao.hw,
 		[CLKID_AO_CEC_32K] = &cec_32k_ao.hw,
 	},
-	.num = 7,
+	.num = NR_CLKS,
 };
 
-static int gxbb_aoclkc_probe(struct platform_device *pdev)
+static int gxbb_register_cec_ao_32k(struct platform_device *pdev)
 {
-	struct gxbb_aoclk_reset_controller *rstc;
 	struct device *dev = &pdev->dev;
 	struct regmap *regmap;
-	int ret, clkid;
-
-	rstc = devm_kzalloc(dev, sizeof(*rstc), GFP_KERNEL);
-	if (!rstc)
-		return -ENOMEM;
+	int ret;
 
 	regmap = syscon_node_to_regmap(of_get_parent(dev->of_node));
 	if (IS_ERR(regmap)) {
 		dev_err(dev, "failed to get regmap\n");
-		return -ENODEV;
-	}
-
-	/* Reset Controller */
-	rstc->regmap = regmap;
-	rstc->data = gxbb_aoclk_reset;
-	rstc->reset.ops = &gxbb_aoclk_reset_ops;
-	rstc->reset.nr_resets = ARRAY_SIZE(gxbb_aoclk_reset);
-	rstc->reset.of_node = dev->of_node;
-	ret = devm_reset_controller_register(dev, &rstc->reset);
-
-	/*
-	 * Populate regmap and register all clks
-	 */
-	for (clkid = 0; clkid < ARRAY_SIZE(gxbb_aoclk_gate); clkid++) {
-		gxbb_aoclk_gate[clkid]->map = regmap;
-
-		ret = devm_clk_hw_register(dev,
-					   gxbb_aoclk_onecell_data.hws[clkid]);
-		if (ret)
-			return ret;
+		return PTR_ERR(regmap);
 	}
 
 	/* Specific clocks */
 	cec_32k_ao.regmap = regmap;
 	ret = devm_clk_hw_register(dev, &cec_32k_ao.hw);
+	if (ret) {
+		dev_err(&pdev->dev, "clk cec_32k_ao register failed.\n");
+		return ret;
+	}
+
+	return 0;
+}
+
+static const struct meson_aoclk_data gxbb_aoclkc_data = {
+	.reset_reg	= AO_RTI_GEN_CNTL_REG0,
+	.num_reset	= ARRAY_SIZE(gxbb_aoclk_reset),
+	.reset		= gxbb_aoclk_reset,
+	.num_clks	= ARRAY_SIZE(gxbb_aoclk_gate),
+	.clks		= gxbb_aoclk_gate,
+	.hw_data	= &gxbb_aoclk_onecell_data,
+};
+
+static int gxbb_aoclkc_probe(struct platform_device *pdev)
+{
+	int ret = gxbb_register_cec_ao_32k(pdev);
 	if (ret)
 		return ret;
 
-	return of_clk_add_hw_provider(dev->of_node, of_clk_hw_onecell_get,
-			&gxbb_aoclk_onecell_data);
+	return meson_aoclkc_probe(pdev);
 }
 
 static const struct of_device_id gxbb_aoclkc_match_table[] = {
-	{ .compatible = "amlogic,meson-gx-aoclkc" },
+	{
+		.compatible	= "amlogic,meson-gx-aoclkc",
+		.data		= &gxbb_aoclkc_data,
+	},
 	{ }
 };
 

drivers/clk/meson/gxbb-aoclk.h

@@ -8,6 +8,8 @@
 #ifndef __GXBB_AOCLKC_H
 #define __GXBB_AOCLKC_H
 
+#define NR_CLKS	7
+
 /* AO Configuration Clock registers offsets */
 #define AO_RTI_PWR_CNTL_REG1	0x0c
 #define AO_RTI_PWR_CNTL_REG0	0x10
@@ -28,4 +30,7 @@ struct aoclk_cec_32k {
 
 extern const struct clk_ops meson_aoclk_cec_32k_ops;
 
+#include <dt-bindings/clock/gxbb-aoclkc.h>
+#include <dt-bindings/reset/gxbb-aoclkc.h>
+
 #endif /* __GXBB_AOCLKC_H */

drivers/clk/meson/gxbb.c

@@ -1543,6 +1543,102 @@ static struct clk_regmap gxbb_vapb = {
 	},
 };
 
+/* VDEC clocks */
+
+static const char * const gxbb_vdec_parent_names[] = {
+	"fclk_div4", "fclk_div3", "fclk_div5", "fclk_div7"
+};
+
+static struct clk_regmap gxbb_vdec_1_sel = {
+	.data = &(struct clk_regmap_mux_data){
+		.offset = HHI_VDEC_CLK_CNTL,
+		.mask = 0x3,
+		.shift = 9,
+		.flags = CLK_MUX_ROUND_CLOSEST,
+	},
+	.hw.init = &(struct clk_init_data){
+		.name = "vdec_1_sel",
+		.ops = &clk_regmap_mux_ops,
+		.parent_names = gxbb_vdec_parent_names,
+		.num_parents = ARRAY_SIZE(gxbb_vdec_parent_names),
+		.flags = CLK_SET_RATE_PARENT,
+	},
+};
+
+static struct clk_regmap gxbb_vdec_1_div = {
+	.data = &(struct clk_regmap_div_data){
+		.offset = HHI_VDEC_CLK_CNTL,
+		.shift = 0,
+		.width = 7,
+	},
+	.hw.init = &(struct clk_init_data){
+		.name = "vdec_1_div",
+		.ops = &clk_regmap_divider_ops,
+		.parent_names = (const char *[]){ "vdec_1_sel" },
+		.num_parents = 1,
+		.flags = CLK_SET_RATE_PARENT,
+	},
+};
+
+static struct clk_regmap gxbb_vdec_1 = {
+	.data = &(struct clk_regmap_gate_data){
+		.offset = HHI_VDEC_CLK_CNTL,
+		.bit_idx = 8,
+	},
+	.hw.init = &(struct clk_init_data) {
+		.name = "vdec_1",
+		.ops = &clk_regmap_gate_ops,
+		.parent_names = (const char *[]){ "vdec_1_div" },
+		.num_parents = 1,
+		.flags = CLK_SET_RATE_PARENT,
+	},
+};
+
+static struct clk_regmap gxbb_vdec_hevc_sel = {
+	.data = &(struct clk_regmap_mux_data){
+		.offset = HHI_VDEC2_CLK_CNTL,
+		.mask = 0x3,
+		.shift = 25,
+		.flags = CLK_MUX_ROUND_CLOSEST,
+	},
+	.hw.init = &(struct clk_init_data){
+		.name = "vdec_hevc_sel",
+		.ops = &clk_regmap_mux_ops,
+		.parent_names = gxbb_vdec_parent_names,
+		.num_parents = ARRAY_SIZE(gxbb_vdec_parent_names),
+		.flags = CLK_SET_RATE_PARENT,
+	},
+};
+
+static struct clk_regmap gxbb_vdec_hevc_div = {
+	.data = &(struct clk_regmap_div_data){
+		.offset = HHI_VDEC2_CLK_CNTL,
+		.shift = 16,
+		.width = 7,
+	},
+	.hw.init = &(struct clk_init_data){
+		.name = "vdec_hevc_div",
+		.ops = &clk_regmap_divider_ops,
+		.parent_names = (const char *[]){ "vdec_hevc_sel" },
+		.num_parents = 1,
+		.flags = CLK_SET_RATE_PARENT,
+	},
+};
+
+static struct clk_regmap gxbb_vdec_hevc = {
+	.data = &(struct clk_regmap_gate_data){
+		.offset = HHI_VDEC2_CLK_CNTL,
+		.bit_idx = 24,
+	},
+	.hw.init = &(struct clk_init_data) {
+		.name = "vdec_hevc",
+		.ops = &clk_regmap_gate_ops,
+		.parent_names = (const char *[]){ "vdec_hevc_div" },
+		.num_parents = 1,
+		.flags = CLK_SET_RATE_PARENT,
+	},
+};
+
 /* Everything Else (EE) domain gates */
 static MESON_GATE(gxbb_ddr, HHI_GCLK_MPEG0, 0);
 static MESON_GATE(gxbb_dos, HHI_GCLK_MPEG0, 1);
@@ -1786,6 +1882,12 @@ static struct clk_hw_onecell_data gxbb_hw_onecell_data = {
 		[CLKID_FCLK_DIV4_DIV]	    = &gxbb_fclk_div4_div.hw,
 		[CLKID_FCLK_DIV5_DIV]	    = &gxbb_fclk_div5_div.hw,
 		[CLKID_FCLK_DIV7_DIV]	    = &gxbb_fclk_div7_div.hw,
+		[CLKID_VDEC_1_SEL]	    = &gxbb_vdec_1_sel.hw,
+		[CLKID_VDEC_1_DIV]	    = &gxbb_vdec_1_div.hw,
+		[CLKID_VDEC_1]		    = &gxbb_vdec_1.hw,
+		[CLKID_VDEC_HEVC_SEL]	    = &gxbb_vdec_hevc_sel.hw,
+		[CLKID_VDEC_HEVC_DIV]	    = &gxbb_vdec_hevc_div.hw,
+		[CLKID_VDEC_HEVC]	    = &gxbb_vdec_hevc.hw,
 		[NR_CLKS]		    = NULL,
 	},
 	.num = NR_CLKS,
@@ -1942,6 +2044,12 @@ static struct clk_hw_onecell_data gxl_hw_onecell_data = {
 		[CLKID_FCLK_DIV4_DIV]	    = &gxbb_fclk_div4_div.hw,
 		[CLKID_FCLK_DIV5_DIV]	    = &gxbb_fclk_div5_div.hw,
 		[CLKID_FCLK_DIV7_DIV]	    = &gxbb_fclk_div7_div.hw,
+		[CLKID_VDEC_1_SEL]	    = &gxbb_vdec_1_sel.hw,
+		[CLKID_VDEC_1_DIV]	    = &gxbb_vdec_1_div.hw,
+		[CLKID_VDEC_1]		    = &gxbb_vdec_1.hw,
+		[CLKID_VDEC_HEVC_SEL]	    = &gxbb_vdec_hevc_sel.hw,
+		[CLKID_VDEC_HEVC_DIV]	    = &gxbb_vdec_hevc_div.hw,
+		[CLKID_VDEC_HEVC]	    = &gxbb_vdec_hevc.hw,
 		[NR_CLKS]		    = NULL,
 	},
 	.num = NR_CLKS,
@@ -2100,6 +2208,12 @@ static struct clk_regmap *const gx_clk_regmaps[] = {
 	&gxbb_fclk_div4,
 	&gxbb_fclk_div5,
 	&gxbb_fclk_div7,
+	&gxbb_vdec_1_sel,
+	&gxbb_vdec_1_div,
+	&gxbb_vdec_1,
+	&gxbb_vdec_hevc_sel,
+	&gxbb_vdec_hevc_div,
+	&gxbb_vdec_hevc,
 };
 
 struct clkc_data {

drivers/clk/meson/gxbb.h

@@ -204,8 +204,12 @@
 #define CLKID_FCLK_DIV4_DIV	  148
 #define CLKID_FCLK_DIV5_DIV	  149
 #define CLKID_FCLK_DIV7_DIV	  150
+#define CLKID_VDEC_1_SEL	  151
+#define CLKID_VDEC_1_DIV	  152
+#define CLKID_VDEC_HEVC_SEL	  154
+#define CLKID_VDEC_HEVC_DIV	  155
 
-#define NR_CLKS			  151
+#define NR_CLKS			  157
 
 /* include the CLKIDs that have been made part of the DT binding */
 #include <dt-bindings/clock/gxbb-clkc.h>

drivers/clk/meson/meson-aoclk.c

+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Amlogic Meson-AXG Clock Controller Driver
+ *
+ * Copyright (c) 2016 BayLibre, SAS.
+ * Author: Neil Armstrong <narmstrong@baylibre.com>
+ *
+ * Copyright (c) 2018 Amlogic, inc.
+ * Author: Qiufang Dai <qiufang.dai@amlogic.com>
+ * Author: Yixun Lan <yixun.lan@amlogic.com>
+ */
+
+#include <linux/platform_device.h>
+#include <linux/reset-controller.h>
+#include <linux/mfd/syscon.h>
+#include <linux/of_device.h>
+#include "clk-regmap.h"
+#include "meson-aoclk.h"
+
+static int meson_aoclk_do_reset(struct reset_controller_dev *rcdev,
+			       unsigned long id)
+{
+	struct meson_aoclk_reset_controller *rstc =
+		container_of(rcdev, struct meson_aoclk_reset_controller, reset);
+
+	return regmap_write(rstc->regmap, rstc->data->reset_reg,
+			    BIT(rstc->data->reset[id]));
+}
+
+static const struct reset_control_ops meson_aoclk_reset_ops = {
+	.reset = meson_aoclk_do_reset,
+};
+
+int meson_aoclkc_probe(struct platform_device *pdev)
+{
+	struct meson_aoclk_reset_controller *rstc;
+	struct meson_aoclk_data *data;
+	struct device *dev = &pdev->dev;
+	struct regmap *regmap;
+	int ret, clkid;
+
+	data = (struct meson_aoclk_data *) of_device_get_match_data(dev);
+	if (!data)
+		return -ENODEV;
+
+	rstc = devm_kzalloc(dev, sizeof(*rstc), GFP_KERNEL);
+	if (!rstc)
+		return -ENOMEM;
+
+	regmap = syscon_node_to_regmap(of_get_parent(dev->of_node));
+	if (IS_ERR(regmap)) {
+		dev_err(dev, "failed to get regmap\n");
+		return PTR_ERR(regmap);
+	}
+
+	/* Reset Controller */
+	rstc->data = data;
+	rstc->regmap = regmap;
+	rstc->reset.ops = &meson_aoclk_reset_ops;
+	rstc->reset.nr_resets = data->num_reset,
+	rstc->reset.of_node = dev->of_node;
+	ret = devm_reset_controller_register(dev, &rstc->reset);
+	if (ret) {
+		dev_err(dev, "failed to register reset controller\n");
+		return ret;
+	}
+
+	/*
+	 * Populate regmap and register all clks
+	 */
+	for (clkid = 0; clkid < data->num_clks; clkid++) {
+		data->clks[clkid]->map = regmap;
+
+		ret = devm_clk_hw_register(dev, data->hw_data->hws[clkid]);
+		if (ret)
+			return ret;
+	}
+
+	return devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get,
+		(void *) data->hw_data);
+}

drivers/clk/meson/meson-aoclk.h

+/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
+/*
+ * Copyright (c) 2017 BayLibre, SAS
+ * Author: Neil Armstrong <narmstrong@baylibre.com>
+ *
+ * Copyright (c) 2018 Amlogic, inc.
+ * Author: Qiufang Dai <qiufang.dai@amlogic.com>
+ * Author: Yixun Lan <yixun.lan@amlogic.com>
+ */
+
+#ifndef __MESON_AOCLK_H__
+#define __MESON_AOCLK_H__
+
+#include <linux/platform_device.h>
+#include <linux/reset-controller.h>
+#include "clk-regmap.h"
+
+struct meson_aoclk_data {
+	const unsigned int			reset_reg;
+	const int				num_reset;
+	const unsigned int			*reset;
+	int					num_clks;
+	struct clk_regmap			**clks;
+	const struct clk_hw_onecell_data	*hw_data;
+};
+
+struct meson_aoclk_reset_controller {
+	struct reset_controller_dev		reset;
+	const struct meson_aoclk_data		*data;
+	struct regmap				*regmap;
+};
+
+int meson_aoclkc_probe(struct platform_device *pdev);
+#endif

drivers/clk/meson/meson8b.c

@@ -639,6 +639,54 @@ static struct clk_regmap meson8b_cpu_clk = {
 	},
 };
 
+static struct clk_regmap meson8b_nand_clk_sel = {
+	.data = &(struct clk_regmap_mux_data){
+		.offset = HHI_NAND_CLK_CNTL,
+		.mask = 0x7,
+		.shift = 9,
+		.flags = CLK_MUX_ROUND_CLOSEST,
+	},
+	.hw.init = &(struct clk_init_data){
+		.name = "nand_clk_sel",
+		.ops = &clk_regmap_mux_ops,
+		/* FIXME all other parents are unknown: */
+		.parent_names = (const char *[]){ "fclk_div4", "fclk_div3",
+			"fclk_div5", "fclk_div7", "xtal" },
+		.num_parents = 5,
+		.flags = CLK_SET_RATE_PARENT,
+	},
+};
+
+static struct clk_regmap meson8b_nand_clk_div = {
+	.data = &(struct clk_regmap_div_data){
+		.offset =  HHI_NAND_CLK_CNTL,
+		.shift = 0,
+		.width = 7,
+		.flags = CLK_DIVIDER_ROUND_CLOSEST,
+	},
+	.hw.init = &(struct clk_init_data){
+		.name = "nand_clk_div",
+		.ops = &clk_regmap_divider_ops,
+		.parent_names = (const char *[]){ "nand_clk_sel" },
+		.num_parents = 1,
+		.flags = CLK_SET_RATE_PARENT,
+	},
+};
+
+static struct clk_regmap meson8b_nand_clk_gate = {
+	.data = &(struct clk_regmap_gate_data){
+		.offset = HHI_NAND_CLK_CNTL,
+		.bit_idx = 8,
+	},
+	.hw.init = &(struct clk_init_data){
+		.name = "nand_clk_gate",
+		.ops = &clk_regmap_gate_ops,
+		.parent_names = (const char *[]){ "nand_clk_div" },
+		.num_parents = 1,
+		.flags = CLK_SET_RATE_PARENT,
+	},
+};
+
 /* Everything Else (EE) domain gates */
 
 static MESON_GATE(meson8b_ddr, HHI_GCLK_MPEG0, 0);
@@ -834,6 +882,9 @@ static struct clk_hw_onecell_data meson8b_hw_onecell_data = {
 		[CLKID_FCLK_DIV4_DIV]	    = &meson8b_fclk_div4_div.hw,
 		[CLKID_FCLK_DIV5_DIV]	    = &meson8b_fclk_div5_div.hw,
 		[CLKID_FCLK_DIV7_DIV]	    = &meson8b_fclk_div7_div.hw,
+		[CLKID_NAND_SEL]	    = &meson8b_nand_clk_sel.hw,
+		[CLKID_NAND_DIV]	    = &meson8b_nand_clk_div.hw,
+		[CLKID_NAND_CLK]	    = &meson8b_nand_clk_gate.hw,
 		[CLK_NR_CLKS]		    = NULL,
 	},
 	.num = CLK_NR_CLKS,
@@ -939,6 +990,9 @@ static struct clk_regmap *const meson8b_clk_regmaps[] = {
 	&meson8b_fclk_div4,
 	&meson8b_fclk_div5,
 	&meson8b_fclk_div7,
+	&meson8b_nand_clk_sel,
+	&meson8b_nand_clk_div,
+	&meson8b_nand_clk_gate,
 };
 
 static const struct meson8b_clk_reset_line {

drivers/clk/meson/meson8b.h

@@ -40,6 +40,7 @@
 #define HHI_VID_CLK_CNTL		0x17c /* 0x5f offset in data sheet */
 #define HHI_VID_DIVIDER_CNTL		0x198 /* 0x66 offset in data sheet */
 #define HHI_SYS_CPU_CLK_CNTL0		0x19c /* 0x67 offset in data sheet */
+#define HHI_NAND_CLK_CNTL		0x25c /* 0x97 offset in data sheet */
 #define HHI_MPLL_CNTL			0x280 /* 0xa0 offset in data sheet */
 #define HHI_SYS_PLL_CNTL		0x300 /* 0xc0 offset in data sheet */
 #define HHI_VID_PLL_CNTL		0x320 /* 0xc8 offset in data sheet */
@@ -83,8 +84,10 @@
 #define CLKID_FCLK_DIV4_DIV	107
 #define CLKID_FCLK_DIV5_DIV	108
 #define CLKID_FCLK_DIV7_DIV	109
+#define CLKID_NAND_SEL		110
+#define CLKID_NAND_DIV		111
 
-#define CLK_NR_CLKS		110
+#define CLK_NR_CLKS		113
 
 /*
  * include the CLKID and RESETID that have

include/dt-bindings/clock/axg-aoclkc.h

+/* 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_AXG_AOCLK
+#define DT_BINDINGS_CLOCK_AMLOGIC_MESON_AXG_AOCLK
+
+#define CLKID_AO_REMOTE		0
+#define CLKID_AO_I2C_MASTER	1
+#define CLKID_AO_I2C_SLAVE	2
+#define CLKID_AO_UART1		3
+#define CLKID_AO_UART2		4
+#define CLKID_AO_IR_BLASTER	5
+#define CLKID_AO_SAR_ADC	6
+#define CLKID_AO_CLK81		7
+#define CLKID_AO_SAR_ADC_SEL	8
+#define CLKID_AO_SAR_ADC_DIV	9
+#define CLKID_AO_SAR_ADC_CLK	10
+#define CLKID_AO_ALT_XTAL	11
+
+#endif

include/dt-bindings/clock/gxbb-clkc.h

@@ -125,5 +125,7 @@
 #define CLKID_VAPB_1		138
 #define CLKID_VAPB_SEL		139
 #define CLKID_VAPB		140
+#define CLKID_VDEC_1		153
+#define CLKID_VDEC_HEVC		156
 
 #endif /* __GXBB_CLKC_H */

include/dt-bindings/clock/meson8b-clkc.h

@@ -102,5 +102,6 @@
 #define CLKID_MPLL0		93
 #define CLKID_MPLL1		94
 #define CLKID_MPLL2		95
+#define CLKID_NAND_CLK		112
 
 #endif /* __MESON8B_CLKC_H */

include/dt-bindings/reset/axg-aoclkc.h

+/* 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_RESET_AMLOGIC_MESON_AXG_AOCLK
+#define DT_BINDINGS_RESET_AMLOGIC_MESON_AXG_AOCLK
+
+#define RESET_AO_REMOTE		0
+#define RESET_AO_I2C_MASTER	1
+#define RESET_AO_I2C_SLAVE	2
+#define RESET_AO_UART1		3
+#define RESET_AO_UART2		4
+#define RESET_AO_IR_BLASTER	5
+
+#endif