[PATCH v3 4/4] clk: mediatek: Add drivers for MediaTek MT6735 main clock and reset drivers
Krzysztof Kozlowski
krzysztof.kozlowski at linaro.org
Mon Feb 27 00:19:45 PST 2023
On 25/02/2023 10:42, Yassine Oudjana wrote:
> From: Yassine Oudjana <y.oudjana at protonmail.com>
>
> Add drivers for MT6735 apmixedsys, topckgen, infracfg and pericfg
> clock and reset controllers. These provide the base clocks and resets
> on the platform, and should be enough to bring up all essential blocks
> including PWRAP, MSDC and peripherals (UART, I2C, SPI).
>
> Signed-off-by: Yassine Oudjana <y.oudjana at protonmail.com>
> ---
> MAINTAINERS | 4 +
> drivers/clk/mediatek/Kconfig | 9 +
> drivers/clk/mediatek/Makefile | 1 +
> drivers/clk/mediatek/clk-mt6735-apmixedsys.c | 139 ++++++
> drivers/clk/mediatek/clk-mt6735-infracfg.c | 78 ++++
> drivers/clk/mediatek/clk-mt6735-pericfg.c | 91 ++++
> drivers/clk/mediatek/clk-mt6735-topckgen.c | 450 +++++++++++++++++++
> 7 files changed, 772 insertions(+)
> create mode 100644 drivers/clk/mediatek/clk-mt6735-apmixedsys.c
> create mode 100644 drivers/clk/mediatek/clk-mt6735-infracfg.c
> create mode 100644 drivers/clk/mediatek/clk-mt6735-pericfg.c
> create mode 100644 drivers/clk/mediatek/clk-mt6735-topckgen.c
>
> diff --git a/MAINTAINERS b/MAINTAINERS
> index f617042790ee..d7ec4a36a934 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -13106,6 +13106,10 @@ M: Yassine Oudjana <y.oudjana at protonmail.com>
> L: linux-clk at vger.kernel.org
> L: linux-mediatek at lists.infradead.org (moderated for non-subscribers)
> S: Maintained
> +F: drivers/clk/mediatek/clk-mt6735-apmixedsys.c
> +F: drivers/clk/mediatek/clk-mt6735-infracfg.c
> +F: drivers/clk/mediatek/clk-mt6735-pericfg.c
> +F: drivers/clk/mediatek/clk-mt6735-topckgen.c
> F: include/dt-bindings/clock/mediatek,mt6735-apmixedsys.h
> F: include/dt-bindings/clock/mediatek,mt6735-infracfg.h
> F: include/dt-bindings/clock/mediatek,mt6735-pericfg.h
> diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig
> index 2d14855dd37e..593791c0a7d6 100644
> --- a/drivers/clk/mediatek/Kconfig
> +++ b/drivers/clk/mediatek/Kconfig
> @@ -124,6 +124,15 @@ config COMMON_CLK_MT2712_VENCSYS
> help
> This driver supports MediaTek MT2712 vencsys clocks.
>
> +config COMMON_CLK_MT6735
> + tristate "Main clock drivers for MediaTek MT6735"
> + depends on ARCH_MEDIATEK || COMPILE_TEST
> + select COMMON_CLK_MEDIATEK
> + help
> + This enables drivers for clocks and resets provided
> + by apmixedsys, topckgen, infracfg and pericfg on the
> + MediaTek MT6735 SoC.
> +
> config COMMON_CLK_MT6765
> bool "Clock driver for MediaTek MT6765"
> depends on (ARCH_MEDIATEK && ARM64) || COMPILE_TEST
> diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile
> index e5d018270ed0..d2496a8d0467 100644
> --- a/drivers/clk/mediatek/Makefile
> +++ b/drivers/clk/mediatek/Makefile
> @@ -2,6 +2,7 @@
> obj-$(CONFIG_COMMON_CLK_MEDIATEK) += clk-mtk.o clk-pll.o clk-gate.o clk-apmixed.o clk-cpumux.o reset.o clk-mux.o
> obj-$(CONFIG_COMMON_CLK_MEDIATEK_FHCTL) += clk-fhctl.o clk-pllfh.o
>
> +obj-$(CONFIG_COMMON_CLK_MT6735) += clk-mt6735-apmixedsys.o clk-mt6735-infracfg.o clk-mt6735-pericfg.o clk-mt6735-topckgen.o
> obj-$(CONFIG_COMMON_CLK_MT6765) += clk-mt6765.o
> obj-$(CONFIG_COMMON_CLK_MT6765_AUDIOSYS) += clk-mt6765-audio.o
> obj-$(CONFIG_COMMON_CLK_MT6765_CAMSYS) += clk-mt6765-cam.o
> diff --git a/drivers/clk/mediatek/clk-mt6735-apmixedsys.c b/drivers/clk/mediatek/clk-mt6735-apmixedsys.c
> new file mode 100644
> index 000000000000..5ce395c34d92
> --- /dev/null
> +++ b/drivers/clk/mediatek/clk-mt6735-apmixedsys.c
> @@ -0,0 +1,139 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Copyright (c) 2022 Yassine Oudjana <y.oudjana at protonmail.com>
> + */
> +
> +#include <linux/clk-provider.h>
> +#include <linux/platform_device.h>
> +
> +#include "clk-mtk.h"
> +#include "clk-pll.h"
> +
> +#include <dt-bindings/clock/mediatek,mt6735-apmixedsys.h>
> +
> +#define AP_PLL_CON_5 0x014
> +#define ARMPLL_CON0 0x200
> +#define ARMPLL_CON1 0x204
> +#define ARMPLL_PWR_CON0 0x20c
> +#define MAINPLL_CON0 0x210
> +#define MAINPLL_CON1 0x214
> +#define MAINPLL_PWR_CON0 0x21c
> +#define UNIVPLL_CON0 0x220
> +#define UNIVPLL_CON1 0x224
> +#define UNIVPLL_PWR_CON0 0x22c
> +#define MMPLL_CON0 0x230
> +#define MMPLL_CON1 0x234
> +#define MMPLL_PWR_CON0 0x23c
> +#define MSDCPLL_CON0 0x240
> +#define MSDCPLL_CON1 0x244
> +#define MSDCPLL_PWR_CON0 0x24c
> +#define VENCPLL_CON0 0x250
> +#define VENCPLL_CON1 0x254
> +#define VENCPLL_PWR_CON0 0x25c
> +#define TVDPLL_CON0 0x260
> +#define TVDPLL_CON1 0x264
> +#define TVDPLL_PWR_CON0 0x26c
> +#define APLL1_CON0 0x270
> +#define APLL1_CON1 0x274
> +#define APLL1_CON2 0x278
> +#define APLL1_PWR_CON0 0x280
> +#define APLL2_CON0 0x284
> +#define APLL2_CON1 0x288
> +#define APLL2_CON2 0x28c
> +#define APLL2_PWR_CON0 0x294
> +
> +#define CON0_RST_BAR BIT(24)
> +
> +#define PLL(_id, _name, _reg, _pwr_reg, _en_mask, _rst_bar_mask, \
> + _pd_reg, _pd_shift, _tuner_reg, _tuner_en_reg, \
> + _tuner_en_bit, _pcw_reg, _pcwbits, _flags) { \
> + .id = _id, \
> + .name = _name, \
> + .parent_name = "clk26m", \
> + .reg = _reg, \
> + .pwr_reg = _pwr_reg, \
> + .en_mask = _en_mask, \
> + .rst_bar_mask = _rst_bar_mask, \
> + .pd_reg = _pd_reg, \
> + .pd_shift = _pd_shift, \
> + .tuner_reg = _tuner_reg, \
> + .tuner_en_reg = _tuner_en_reg, \
> + .tuner_en_bit = _tuner_en_bit, \
> + .pcw_reg = _pcw_reg, \
> + .pcw_chg_reg = _pcw_reg, \
> + .pcwbits = _pcwbits, \
> + .flags = _flags, \
> + }
> +
> +static const struct mtk_pll_data apmixedsys_plls[] = {
> + PLL(ARMPLL, "armpll", ARMPLL_CON0, ARMPLL_PWR_CON0, 0x00000001, 0, ARMPLL_CON1, 24, 0, 0, 0, ARMPLL_CON1, 21, PLL_AO),
> + PLL(MAINPLL, "mainpll", MAINPLL_CON0, MAINPLL_PWR_CON0, 0xf0000101, CON0_RST_BAR, MAINPLL_CON1, 24, 0, 0, 0, MAINPLL_CON1, 21, HAVE_RST_BAR),
> + PLL(UNIVPLL, "univpll", UNIVPLL_CON0, UNIVPLL_PWR_CON0, 0xfc000001, CON0_RST_BAR, UNIVPLL_CON1, 24, 0, 0, 0, UNIVPLL_CON1, 21, HAVE_RST_BAR),
> + PLL(MMPLL, "mmpll", MMPLL_CON0, MMPLL_PWR_CON0, 0x00000001, 0, MMPLL_CON1, 24, 0, 0, 0, MMPLL_CON1, 21, 0),
> + PLL(MSDCPLL, "msdcpll", MSDCPLL_CON0, MSDCPLL_PWR_CON0, 0x00000001, 0, MSDCPLL_CON1, 24, 0, 0, 0, MSDCPLL_CON1, 21, 0),
> + PLL(VENCPLL, "vencpll", VENCPLL_CON0, VENCPLL_PWR_CON0, 0x00000001, CON0_RST_BAR, VENCPLL_CON1, 24, 0, 0, 0, VENCPLL_CON1, 21, HAVE_RST_BAR),
> + PLL(TVDPLL, "tvdpll", TVDPLL_CON0, TVDPLL_PWR_CON0, 0x00000001, 0, TVDPLL_CON1, 24, 0, 0, 0, TVDPLL_CON1, 21, 0),
> + PLL(APLL1, "apll1", APLL1_CON0, APLL1_PWR_CON0, 0x00000001, 0, APLL1_CON0, 4, APLL1_CON2, AP_PLL_CON_5, 0, APLL1_CON1, 31, 0),
> + PLL(APLL2, "apll2", APLL2_CON0, APLL2_PWR_CON0, 0x00000001, 0, APLL2_CON0, 4, APLL2_CON2, AP_PLL_CON_5, 1, APLL2_CON1, 31, 0)
> +};
> +
> +int clk_mt6735_apmixed_probe(struct platform_device *pdev)
> +{
> + void __iomem *base;
> + struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> + struct clk_hw_onecell_data *clk_data;
> + int ret;
> +
> + base = devm_ioremap_resource(&pdev->dev, res);
> + if (IS_ERR(base))
> + return PTR_ERR(base);
> +
> + clk_data = mtk_alloc_clk_data(ARRAY_SIZE(apmixedsys_plls));
> + if (!clk_data)
> + return -ENOMEM;
> + platform_set_drvdata(pdev, clk_data);
> +
> + ret = mtk_clk_register_plls(pdev->dev.of_node, apmixedsys_plls,
> + ARRAY_SIZE(apmixedsys_plls), clk_data);
> + if (ret) {
> + dev_err(&pdev->dev, "Failed to register PLLs: %d\n", ret);
> + return ret;
> + }
> +
> + ret = devm_of_clk_add_hw_provider(&pdev->dev, of_clk_hw_onecell_get,
> + clk_data);
> + if (ret)
> + dev_err(&pdev->dev,
> + "Failed to register clock provider: %d\n", ret);
> +
> + return ret;
> +}
> +
> +int clk_mt6735_apmixed_remove(struct platform_device *pdev)
> +{
> + struct clk_hw_onecell_data *clk_data = platform_get_drvdata(pdev);
> +
> + mtk_clk_unregister_plls(apmixedsys_plls, ARRAY_SIZE(apmixedsys_plls), clk_data);
> + mtk_free_clk_data(clk_data);
> +
> + return 0;
> +}
> +
> +static const struct of_device_id of_match_mt6735_apmixedsys[] = {
> + { .compatible = "mediatek,mt6735-apmixedsys" },
> + { /* sentinel */ }
> +};
> +
> +static struct platform_driver clk_mt6735_apmixedsys = {
> + .probe = clk_mt6735_apmixed_probe,
> + .remove = clk_mt6735_apmixed_remove,
> + .driver = {
> + .name = "clk-mt6735-apmixedsys",
> + .of_match_table = of_match_mt6735_apmixedsys,
> + },
> +};
> +module_platform_driver(clk_mt6735_apmixedsys);
> +
> +MODULE_AUTHOR("Yassine Oudjana <y.oudjana at protonmail.com>");
> +MODULE_DESCRIPTION("MediaTek MT6735 apmixedsys clock driver");
> +MODULE_LICENSE("GPL");
> diff --git a/drivers/clk/mediatek/clk-mt6735-infracfg.c b/drivers/clk/mediatek/clk-mt6735-infracfg.c
> new file mode 100644
> index 000000000000..e9dd3caa5f97
> --- /dev/null
> +++ b/drivers/clk/mediatek/clk-mt6735-infracfg.c
> @@ -0,0 +1,78 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Copyright (c) 2022 Yassine Oudjana <y.oudjana at protonmail.com>
> + */
> +
> +#include <linux/clk-provider.h>
> +#include <linux/platform_device.h>
> +
> +#include "clk-gate.h"
> +#include "clk-mtk.h"
> +
> +#include <dt-bindings/clock/mediatek,mt6735-infracfg.h>
> +
> +#define INFRA_RST0 0x30
> +#define INFRA_GLOBALCON_PDN0 0x40
> +#define INFRA_PDN1 0x44
> +#define INFRA_PDN_STA 0x48
> +
> +static struct mtk_gate_regs infra_cg_regs = {
> + .set_ofs = INFRA_GLOBALCON_PDN0,
> + .clr_ofs = INFRA_PDN1,
> + .sta_ofs = INFRA_PDN_STA,
> +};
> +
> +static const struct mtk_gate infracfg_gates[] = {
> + GATE_MTK(CLK_DBG, "dbg", "axi_sel", &infra_cg_regs, 0, &mtk_clk_gate_ops_setclr),
> + GATE_MTK(CLK_GCE, "gce", "axi_sel", &infra_cg_regs, 1, &mtk_clk_gate_ops_setclr),
> + GATE_MTK(CLK_TRBG, "trbg", "axi_sel", &infra_cg_regs, 2, &mtk_clk_gate_ops_setclr),
> + GATE_MTK(CLK_CPUM, "cpum", "axi_sel", &infra_cg_regs, 3, &mtk_clk_gate_ops_setclr),
> + GATE_MTK(CLK_DEVAPC, "devapc", "axi_sel", &infra_cg_regs, 4, &mtk_clk_gate_ops_setclr),
> + GATE_MTK(CLK_AUDIO, "audio", "aud_intbus_sel", &infra_cg_regs, 5, &mtk_clk_gate_ops_setclr),
> + GATE_MTK(CLK_GCPU, "gcpu", "axi_sel", &infra_cg_regs, 6, &mtk_clk_gate_ops_setclr),
> + GATE_MTK(CLK_L2C_SRAM, "l2csram", "axi_sel", &infra_cg_regs, 7, &mtk_clk_gate_ops_setclr),
> + GATE_MTK(CLK_M4U, "m4u", "axi_sel", &infra_cg_regs, 8, &mtk_clk_gate_ops_setclr),
> + GATE_MTK(CLK_CLDMA, "cldma", "axi_sel", &infra_cg_regs, 12, &mtk_clk_gate_ops_setclr),
> + GATE_MTK(CLK_CONNMCU_BUS, "connmcu_bus", "axi_sel", &infra_cg_regs, 15, &mtk_clk_gate_ops_setclr),
> + GATE_MTK(CLK_KP, "kp", "axi_sel", &infra_cg_regs, 16, &mtk_clk_gate_ops_setclr),
> + GATE_MTK_FLAGS(CLK_APXGPT, "apxgpt", "axi_sel", &infra_cg_regs, 18, &mtk_clk_gate_ops_setclr, CLK_IS_CRITICAL),
> + GATE_MTK(CLK_SEJ, "sej", "axi_sel", &infra_cg_regs, 19, &mtk_clk_gate_ops_setclr),
> + GATE_MTK(CLK_CCIF0_AP, "ccif0ap", "axi_sel", &infra_cg_regs, 20, &mtk_clk_gate_ops_setclr),
> + GATE_MTK(CLK_CCIF1_AP, "ccif1ap", "axi_sel", &infra_cg_regs, 21, &mtk_clk_gate_ops_setclr),
> + GATE_MTK(CLK_PMIC_SPI, "pmicspi", "pmicspi_sel", &infra_cg_regs, 22, &mtk_clk_gate_ops_setclr),
> + GATE_MTK(CLK_PMIC_WRAP, "pmicwrap", "axi_sel", &infra_cg_regs, 23, &mtk_clk_gate_ops_setclr)
> +};
> +
> +static u16 infracfg_rst_ofs[] = { INFRA_RST0 };
> +
> +static const struct mtk_clk_rst_desc infracfg_resets = {
> + .version = MTK_RST_SIMPLE,
> + .rst_bank_ofs = infracfg_rst_ofs,
> + .rst_bank_nr = ARRAY_SIZE(infracfg_rst_ofs)
> +};
> +
> +static const struct mtk_clk_desc infracfg_clks = {
> + .clks = infracfg_gates,
> + .num_clks = ARRAY_SIZE(infracfg_gates),
> +
> + .rst_desc = &infracfg_resets
> +};
> +
> +static const struct of_device_id of_match_mt6735_infracfg[] = {
> + { .compatible = "mediatek,mt6735-infracfg", .data = &infracfg_clks },
> + { /* sentinel */ }
> +};
> +
> +static struct platform_driver clk_mt6735_infracfg = {
> + .probe = mtk_clk_simple_probe,
> + .remove = mtk_clk_simple_remove,
> + .driver = {
> + .name = "clk-mt6735-infracfg",
> + .of_match_table = of_match_mt6735_infracfg,
> + },
> +};
> +module_platform_driver(clk_mt6735_infracfg);
> +
> +MODULE_AUTHOR("Yassine Oudjana <y.oudjana at protonmail.com>");
> +MODULE_DESCRIPTION("MediaTek MT6735 infracfg clock and reset driver");
> +MODULE_LICENSE("GPL");
> diff --git a/drivers/clk/mediatek/clk-mt6735-pericfg.c b/drivers/clk/mediatek/clk-mt6735-pericfg.c
> new file mode 100644
> index 000000000000..4d74e345509b
> --- /dev/null
> +++ b/drivers/clk/mediatek/clk-mt6735-pericfg.c
> @@ -0,0 +1,91 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Copyright (c) 2022 Yassine Oudjana <y.oudjana at protonmail.com>
> + */
> +
> +#include <linux/clk-provider.h>
> +#include <linux/platform_device.h>
> +
> +#include "clk-gate.h"
> +#include "clk-mtk.h"
> +
> +#include <dt-bindings/clock/mediatek,mt6735-pericfg.h>
> +
> +#define PERI_GLOBALCON_RST0 0x00
> +#define PERI_GLOBALCON_RST1 0x04
> +#define PERI_GLOBALCON_PDN0_SET 0x08
> +#define PERI_GLOBALCON_PDN0_CLR 0x10
> +#define PERI_GLOBALCON_PDN0_STA 0x18
> +
> +static struct mtk_gate_regs peri_cg_regs = {
> + .set_ofs = PERI_GLOBALCON_PDN0_SET,
> + .clr_ofs = PERI_GLOBALCON_PDN0_CLR,
> + .sta_ofs = PERI_GLOBALCON_PDN0_STA,
> +};
> +
> +static const struct mtk_gate pericfg_gates[] = {
> + GATE_MTK(CLK_DISP_PWM, "disp_pwm", "disppwm_sel", &peri_cg_regs, 0, &mtk_clk_gate_ops_setclr),
> + GATE_MTK(CLK_THERM, "therm", "axi_sel", &peri_cg_regs, 1, &mtk_clk_gate_ops_setclr),
> + GATE_MTK(CLK_PWM1, "pwm1", "axi_sel", &peri_cg_regs, 2, &mtk_clk_gate_ops_setclr),
> + GATE_MTK(CLK_PWM2, "pwm2", "axi_sel", &peri_cg_regs, 3, &mtk_clk_gate_ops_setclr),
> + GATE_MTK(CLK_PWM3, "pwm3", "axi_sel", &peri_cg_regs, 4, &mtk_clk_gate_ops_setclr),
> + GATE_MTK(CLK_PWM4, "pwm4", "axi_sel", &peri_cg_regs, 5, &mtk_clk_gate_ops_setclr),
> + GATE_MTK(CLK_PWM5, "pwm5", "axi_sel", &peri_cg_regs, 6, &mtk_clk_gate_ops_setclr),
> + GATE_MTK(CLK_PWM6, "pwm6", "axi_sel", &peri_cg_regs, 7, &mtk_clk_gate_ops_setclr),
> + GATE_MTK(CLK_PWM7, "pwm7", "axi_sel", &peri_cg_regs, 8, &mtk_clk_gate_ops_setclr),
> + GATE_MTK(CLK_PWM, "pwm", "axi_sel", &peri_cg_regs, 9, &mtk_clk_gate_ops_setclr),
> + GATE_MTK(CLK_USB0, "usb0", "usb20_sel", &peri_cg_regs, 10, &mtk_clk_gate_ops_setclr),
> + GATE_MTK(CLK_IRDA, "irda", "irda_sel", &peri_cg_regs, 11, &mtk_clk_gate_ops_setclr),
> + GATE_MTK(CLK_APDMA, "apdma", "axi_sel", &peri_cg_regs, 12, &mtk_clk_gate_ops_setclr),
> + GATE_MTK(CLK_MSDC30_0, "msdc30_0", "msdc30_0_sel", &peri_cg_regs, 13, &mtk_clk_gate_ops_setclr),
> + GATE_MTK(CLK_MSDC30_1, "msdc30_1", "msdc30_1_sel", &peri_cg_regs, 14, &mtk_clk_gate_ops_setclr),
> + GATE_MTK(CLK_MSDC30_2, "msdc30_2", "msdc30_2_sel", &peri_cg_regs, 15, &mtk_clk_gate_ops_setclr),
> + GATE_MTK(CLK_MSDC30_3, "msdc30_3", "msdc30_3_sel", &peri_cg_regs, 16, &mtk_clk_gate_ops_setclr),
> + GATE_MTK(CLK_UART0, "uart0", "uart_sel", &peri_cg_regs, 17, &mtk_clk_gate_ops_setclr),
> + GATE_MTK(CLK_UART1, "uart1", "uart_sel", &peri_cg_regs, 18, &mtk_clk_gate_ops_setclr),
> + GATE_MTK(CLK_UART2, "uart2", "uart_sel", &peri_cg_regs, 19, &mtk_clk_gate_ops_setclr),
> + GATE_MTK(CLK_UART3, "uart3", "uart_sel", &peri_cg_regs, 20, &mtk_clk_gate_ops_setclr),
> + GATE_MTK(CLK_UART4, "uart4", "uart_sel", &peri_cg_regs, 21, &mtk_clk_gate_ops_setclr),
> + GATE_MTK(CLK_BTIF, "btif", "axi_sel", &peri_cg_regs, 22, &mtk_clk_gate_ops_setclr),
> + GATE_MTK(CLK_I2C0, "i2c0", "axi_sel", &peri_cg_regs, 23, &mtk_clk_gate_ops_setclr),
> + GATE_MTK(CLK_I2C1, "i2c1", "axi_sel", &peri_cg_regs, 24, &mtk_clk_gate_ops_setclr),
> + GATE_MTK(CLK_I2C2, "i2c2", "axi_sel", &peri_cg_regs, 25, &mtk_clk_gate_ops_setclr),
> + GATE_MTK(CLK_I2C3, "i2c3", "axi_sel", &peri_cg_regs, 26, &mtk_clk_gate_ops_setclr),
> + GATE_MTK(CLK_AUXADC, "auxadc", "axi_sel", &peri_cg_regs, 27, &mtk_clk_gate_ops_setclr),
> + GATE_MTK(CLK_SPI0, "spi0", "spi_sel", &peri_cg_regs, 28, &mtk_clk_gate_ops_setclr),
> + GATE_MTK(CLK_IRTX, "irtx", "irtx_sel", &peri_cg_regs, 29, &mtk_clk_gate_ops_setclr)
> +};
> +
> +static u16 pericfg_rst_ofs[] = { PERI_GLOBALCON_RST0, PERI_GLOBALCON_RST1 };
> +
> +static const struct mtk_clk_rst_desc pericfg_resets = {
> + .version = MTK_RST_SIMPLE,
> + .rst_bank_ofs = pericfg_rst_ofs,
> + .rst_bank_nr = ARRAY_SIZE(pericfg_rst_ofs)
> +};
> +
> +static const struct mtk_clk_desc pericfg_clks = {
> + .clks = pericfg_gates,
> + .num_clks = ARRAY_SIZE(pericfg_gates),
> +
> + .rst_desc = &pericfg_resets
> +};
> +
> +static const struct of_device_id of_match_mt6735_pericfg[] = {
> + { .compatible = "mediatek,mt6735-pericfg", .data = &pericfg_clks },
> + { /* sentinel */ }
> +};
> +
> +static struct platform_driver clk_mt6735_pericfg = {
> + .probe = mtk_clk_simple_probe,
> + .remove = mtk_clk_simple_remove,
> + .driver = {
> + .name = "clk-mt6735-pericfg",
> + .of_match_table = of_match_mt6735_pericfg,
> + },
> +};
> +module_platform_driver(clk_mt6735_pericfg);
> +
> +MODULE_AUTHOR("Yassine Oudjana <y.oudjana at protonmail.com>");
> +MODULE_DESCRIPTION("MediaTek MT6735 pericfg clock driver");
> +MODULE_LICENSE("GPL");
> diff --git a/drivers/clk/mediatek/clk-mt6735-topckgen.c b/drivers/clk/mediatek/clk-mt6735-topckgen.c
> new file mode 100644
> index 000000000000..5fa743e4b0fc
> --- /dev/null
> +++ b/drivers/clk/mediatek/clk-mt6735-topckgen.c
> @@ -0,0 +1,450 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Copyright (c) 2022 Yassine Oudjana <y.oudjana at protonmail.com>
> + */
> +
> +#include <linux/clk-provider.h>
> +#include <linux/platform_device.h>
> +
> +#include "clk-mtk.h"
> +#include "clk-mux.h"
> +
> +#include <dt-bindings/clock/mediatek,mt6735-topckgen.h>
> +
> +#define CLK_CFG_0 0x40
> +#define CLK_CFG_0_SET 0x44
> +#define CLK_CFG_0_CLR 0x48
> +#define CLK_CFG_1 0x50
> +#define CLK_CFG_1_SET 0x54
> +#define CLK_CFG_1_CLR 0x58
> +#define CLK_CFG_2 0x60
> +#define CLK_CFG_2_SET 0x64
> +#define CLK_CFG_2_CLR 0x68
> +#define CLK_CFG_3 0x70
> +#define CLK_CFG_3_SET 0x74
> +#define CLK_CFG_3_CLR 0x78
> +#define CLK_CFG_4 0x80
> +#define CLK_CFG_4_SET 0x84
> +#define CLK_CFG_4_CLR 0x88
> +#define CLK_CFG_5 0x90
> +#define CLK_CFG_5_SET 0x94
> +#define CLK_CFG_5_CLR 0x98
> +#define CLK_CFG_6 0xa0
> +#define CLK_CFG_6_SET 0xa4
> +#define CLK_CFG_6_CLR 0xa8
> +#define CLK_CFG_7 0xb0
> +#define CLK_CFG_7_SET 0xb4
> +#define CLK_CFG_7_CLR 0xb8
> +
> +static DEFINE_SPINLOCK(mt6735_topckgen_lock);
> +
> +/* Some clocks with unknown details are modeled as fixed clocks */
> +static const struct mtk_fixed_clk topckgen_fixed_clks[] = {
> + /*
> + * This clock is available as a parent option for multiple
> + * muxes and seems like an alternative name for clk26m at first,
> + * but it appears alongside it in several muxes which should
> + * mean it is a separate clock.
> + */
> + FIXED_CLK(AD_SYS_26M_CK, "ad_sys_26m_ck", "clk26m", 26 * MHZ),
> + /*
> + * This clock is the parent of DMPLL divisors. It might be MEMPLL
> + * or its parent, as DMPLL appears to be an alternative name for
> + * MEMPLL.
> + */
> + FIXED_CLK(CLKPH_MCK_O, "clkph_mck_o", NULL, 0),
> + /*
> + * DMPLL clock (dmpll_ck), controlled by DDRPHY.
> + */
> + FIXED_CLK(DMPLL, "dmpll", "clkph_mck_o", 0),
> + /*
> + * MIPI DPI clock. Parent option for dpi0_sel. Unknown parent.
> + */
> + FIXED_CLK(DPI_CK, "dpi_ck", NULL, 0),
> + /*
> + * This clock is a child of WHPLL which is controlled by
> + * the modem.
> + */
> + FIXED_CLK(WHPLL_AUDIO_CK, "whpll_audio_ck", NULL, 0)
> +};
> +
> +static const struct mtk_fixed_factor topckgen_factors[] = {
> + FACTOR(SYSPLL_D2, "syspll_d2", "mainpll", 1, 2),
> + FACTOR(SYSPLL_D3, "syspll_d3", "mainpll", 1, 3),
> + FACTOR(SYSPLL_D5, "syspll_d5", "mainpll", 1, 5),
> + FACTOR(SYSPLL1_D2, "syspll1_d2", "mainpll", 1, 2),
> + FACTOR(SYSPLL1_D4, "syspll1_d4", "mainpll", 1, 4),
> + FACTOR(SYSPLL1_D8, "syspll1_d8", "mainpll", 1, 8),
> + FACTOR(SYSPLL1_D16, "syspll1_d16", "mainpll", 1, 16),
> + FACTOR(SYSPLL2_D2, "syspll2_d2", "mainpll", 1, 2),
> + FACTOR(SYSPLL2_D4, "syspll2_d4", "mainpll", 1, 4),
> + FACTOR(SYSPLL3_D2, "syspll3_d2", "mainpll", 1, 2),
> + FACTOR(SYSPLL3_D4, "syspll3_d4", "mainpll", 1, 4),
> + FACTOR(SYSPLL4_D2, "syspll4_d2", "mainpll", 1, 2),
> + FACTOR(SYSPLL4_D4, "syspll4_d4", "mainpll", 1, 4),
> + FACTOR(UNIVPLL_D2, "univpll_d2", "univpll", 1, 2),
> + FACTOR(UNIVPLL_D3, "univpll_d3", "univpll", 1, 3),
> + FACTOR(UNIVPLL_D5, "univpll_d5", "univpll", 1, 5),
> + FACTOR(UNIVPLL_D26, "univpll_d26", "univpll", 1, 26),
> + FACTOR(UNIVPLL1_D2, "univpll1_d2", "univpll", 1, 2),
> + FACTOR(UNIVPLL1_D4, "univpll1_d4", "univpll", 1, 4),
> + FACTOR(UNIVPLL1_D8, "univpll1_d8", "univpll", 1, 8),
> + FACTOR(UNIVPLL2_D2, "univpll2_d2", "univpll", 1, 2),
> + FACTOR(UNIVPLL2_D4, "univpll2_d4", "univpll", 1, 4),
> + FACTOR(UNIVPLL2_D8, "univpll2_d8", "univpll", 1, 8),
> + FACTOR(UNIVPLL3_D2, "univpll3_d2", "univpll", 1, 2),
> + FACTOR(UNIVPLL3_D4, "univpll3_d4", "univpll", 1, 4),
> + FACTOR(MSDCPLL_D2, "msdcpll_d2", "msdcpll", 1, 2),
> + FACTOR(MSDCPLL_D4, "msdcpll_d4", "msdcpll", 1, 4),
> + FACTOR(MSDCPLL_D8, "msdcpll_d8", "msdcpll", 1, 8),
> + FACTOR(MSDCPLL_D16, "msdcpll_d16", "msdcpll", 1, 16),
> + FACTOR(VENCPLL_D3, "vencpll_d3", "vencpll", 1, 3),
> + FACTOR(TVDPLL_D2, "tvdpll_d2", "tvdpll", 1, 2),
> + FACTOR(TVDPLL_D4, "tvdpll_d4", "tvdpll", 1, 4),
> + FACTOR(DMPLL_D2, "dmpll_d2", "clkph_mck_o", 1, 2),
> + FACTOR(DMPLL_D4, "dmpll_d4", "clkph_mck_o", 1, 4),
> + FACTOR(DMPLL_D8, "dmpll_d8", "clkph_mck_o", 1, 8),
> + FACTOR(AD_SYS_26M_D2, "ad_sys_26m_d2", "clk26m", 1, 2)
> +};
> +
> +static const char * const axi_sel_parents[] = {
> + "clk26m",
> + "syspll1_d2",
> + "syspll_d5",
> + "syspll1_d4",
> + "univpll_d5",
> + "univpll2_d2",
> + "dmpll",
> + "dmpll_d2"
> +};
> +
> +static const char * const mem_sel_parents[] = {
> + "clk26m",
> + "dmpll"
> +};
> +
> +static const char * const ddrphycfg_parents[] = {
> + "clk26m",
> + "syspll1_d8"
> +};
> +
> +static const char * const mm_sel_parents[] = {
> + "clk26m",
> + "vencpll",
> + "syspll1_d2",
> + "syspll_d5",
> + "syspll1_d4",
> + "univpll_d5",
> + "univpll2_d2",
> + "dmpll"
> +};
> +
> +static const char * const pwm_sel_parents[] = {
> + "clk26m",
> + "univpll2_d4",
> + "univpll3_d2",
> + "univpll1_d4"
> +};
> +
> +static const char * const vdec_sel_parents[] = {
> + "clk26m",
> + "syspll1_d2",
> + "syspll_d5",
> + "syspll1_d4",
> + "univpll_d5",
> + "syspll_d2",
> + "syspll2_d2",
> + "msdcpll_d2"
> +};
> +
> +static const char * const mfg_sel_parents[] = {
> + "clk26m",
> + "mmpll",
> + "clk26m",
> + "clk26m",
> + "clk26m",
> + "clk26m",
> + "clk26m",
> + "clk26m",
> + "clk26m",
> + "syspll_d3",
> + "syspll1_d2",
> + "syspll_d5",
> + "univpll_d3",
> + "univpll1_d2"
> +};
> +
> +static const char * const camtg_sel_parents[] = {
> + "clk26m",
> + "univpll_d26",
> + "univpll2_d2",
> + "syspll3_d2",
> + "syspll3_d4",
> + "msdcpll_d4"
> +};
> +
> +static const char * const uart_sel_parents[] = {
> + "clk26m",
> + "univpll2_d8"
> +};
> +
> +static const char * const spi_sel_parents[] = {
> + "clk26m",
> + "syspll3_d2",
> + "msdcpll_d8",
> + "syspll2_d4",
> + "syspll4_d2",
> + "univpll2_d4",
> + "univpll1_d8"
> +};
> +
> +static const char * const usb20_sel_parents[] = {
> + "clk26m",
> + "univpll1_d8",
> + "univpll3_d4"
> +};
> +
> +static const char * const msdc50_0_sel_parents[] = {
> + "clk26m",
> + "syspll1_d2",
> + "syspll2_d2",
> + "syspll4_d2",
> + "univpll_d5",
> + "univpll1_d4"
> +};
> +
> +static const char * const msdc30_0_sel_parents[] = {
> + "clk26m",
> + "msdcpll",
> + "msdcpll_d2",
> + "msdcpll_d4",
> + "syspll2_d2",
> + "syspll1_d4",
> + "univpll1_d4",
> + "univpll_d3",
> + "univpll_d26",
> + "syspll2_d4",
> + "univpll_d2"
> +};
> +
> +static const char * const msdc30_1_2_sel_parents[] = {
> + "clk26m",
> + "univpll2_d2",
> + "msdcpll_d4",
> + "syspll2_d2",
> + "syspll1_d4",
> + "univpll1_d4",
> + "univpll_d26",
> + "syspll2_d4"
> +};
> +
> +static const char * const msdc30_3_sel_parents[] = {
> + "clk26m",
> + "univpll2_d2",
> + "msdcpll_d4",
> + "syspll2_d2",
> + "syspll1_d4",
> + "univpll1_d4",
> + "univpll_d26",
> + "msdcpll_d16",
> + "syspll2_d4"
> +};
> +
> +static const char * const audio_sel_parents[] = {
> + "clk26m",
> + "syspll3_d4",
> + "syspll4_d4",
> + "syspll1_d16"
> +};
> +
> +static const char * const aud_intbus_sel_parents[] = {
> + "clk26m",
> + "syspll1_d4",
> + "syspll4_d2",
> + "dmpll_d4"
> +};
> +
> +static const char * const pmicspi_sel_parents[] = {
> + "clk26m",
> + "syspll1_d8",
> + "syspll3_d4",
> + "syspll1_d16",
> + "univpll3_d4",
> + "univpll_d26",
> + "dmpll_d4",
> + "dmpll_d8"
> +};
> +
> +static const char * const scp_sel_parents[] = {
> + "clk26m",
> + "syspll1_d8",
> + "dmpll_d2",
> + "dmpll_d4"
> +};
> +
> +static const char * const atb_sel_parents[] = {
> + "clk26m",
> + "syspll1_d2",
> + "syspll_d5",
> + "dmpll"
> +};
> +
> +static const char * const dpi0_sel_parents[] = {
> + "clk26m",
> + "tvdpll",
> + "tvdpll_d2",
> + "tvdpll_d4",
> + "dpi_ck"
> +};
> +
> +static const char * const scam_sel_parents[] = {
> + "clk26m",
> + "syspll3_d2",
> + "univpll2_d4",
> + "vencpll_d3"
> +};
> +
> +static const char * const mfg13m_sel_parents[] = {
> + "clk26m",
> + "ad_sys_26m_d2"
> +};
> +
> +static const char * const aud_1_2_sel_parents[] = {
> + "clk26m",
> + "apll1"
> +};
> +
> +static const char * const irda_sel_parents[] = {
> + "clk26m",
> + "univpll2_d4"
> +};
> +
> +static const char * const irtx_sel_parents[] = {
> + "clk26m",
> + "ad_sys_26m_ck"
> +};
> +
> +static const char * const disppwm_sel_parents[] = {
> + "clk26m",
> + "univpll2_d4",
> + "syspll4_d2_d8",
> + "ad_sys_26m_ck"
> +};
> +
> +static const struct mtk_mux topckgen_muxes[] = {
> + MUX_CLR_SET_UPD(AXI_SEL, "axi_sel", axi_sel_parents, CLK_CFG_0, CLK_CFG_0_SET, CLK_CFG_0_CLR, 0, 3, 0, 0),
> + MUX_CLR_SET_UPD(MEM_SEL, "mem_sel", mem_sel_parents, CLK_CFG_0, CLK_CFG_0_SET, CLK_CFG_0_CLR, 8, 1, 0, 0),
> + MUX_CLR_SET_UPD(DDRPHY_SEL, "ddrphycfg_sel", ddrphycfg_parents, CLK_CFG_0, CLK_CFG_0_SET, CLK_CFG_0_CLR, 16, 1, 0, 0),
> + MUX_GATE_CLR_SET_UPD(MM_SEL, "mm_sel", mm_sel_parents, CLK_CFG_0, CLK_CFG_0_SET, CLK_CFG_0_CLR, 24, 3, 31, 0, 0),
> + MUX_GATE_CLR_SET_UPD(PWM_SEL, "pwm_sel", pwm_sel_parents, CLK_CFG_1, CLK_CFG_1_SET, CLK_CFG_1_CLR, 0, 2, 7, 0, 0),
> + MUX_GATE_CLR_SET_UPD(VDEC_SEL, "vdec_sel", vdec_sel_parents, CLK_CFG_1, CLK_CFG_1_SET, CLK_CFG_1_CLR, 8, 3, 15, 0, 0),
> + MUX_GATE_CLR_SET_UPD(MFG_SEL, "mfg_sel", mfg_sel_parents, CLK_CFG_1, CLK_CFG_1_SET, CLK_CFG_1_CLR, 16, 4, 23, 0, 0),
> + MUX_GATE_CLR_SET_UPD(CAMTG_SEL, "camtg_sel", camtg_sel_parents, CLK_CFG_1, CLK_CFG_1_SET, CLK_CFG_1_CLR, 24, 3, 31, 0, 0),
> + MUX_GATE_CLR_SET_UPD(UART_SEL, "uart_sel", uart_sel_parents, CLK_CFG_2, CLK_CFG_2_SET, CLK_CFG_2_CLR, 0, 1, 7, 0, 0),
> + MUX_GATE_CLR_SET_UPD(SPI_SEL, "spi_sel", spi_sel_parents, CLK_CFG_2, CLK_CFG_2_SET, CLK_CFG_2_CLR, 8, 3, 15, 0, 0),
> + MUX_GATE_CLR_SET_UPD(USB20_SEL, "usb20_sel", usb20_sel_parents, CLK_CFG_2, CLK_CFG_2_SET, CLK_CFG_2_CLR, 16, 2, 23, 0, 0),
> + MUX_GATE_CLR_SET_UPD(MSDC50_0_SEL, "msdc50_0_sel", msdc50_0_sel_parents, CLK_CFG_2, CLK_CFG_2_SET, CLK_CFG_2_CLR, 24, 3, 31, 0, 0),
> + MUX_GATE_CLR_SET_UPD(MSDC30_0_SEL, "msdc30_0_sel", msdc30_0_sel_parents, CLK_CFG_3, CLK_CFG_3_SET, CLK_CFG_3_CLR, 0, 4, 7, 0, 0),
> + MUX_GATE_CLR_SET_UPD(MSDC30_1_SEL, "msdc30_1_sel", msdc30_1_2_sel_parents, CLK_CFG_3, CLK_CFG_3_SET, CLK_CFG_3_CLR, 8, 3, 15, 0, 0),
> + MUX_GATE_CLR_SET_UPD(MSDC30_2_SEL, "msdc30_2_sel", msdc30_1_2_sel_parents, CLK_CFG_3, CLK_CFG_3_SET, CLK_CFG_3_CLR, 16, 3, 23, 0, 0),
> + MUX_GATE_CLR_SET_UPD(MSDC30_3_SEL, "msdc30_3_sel", msdc30_3_sel_parents, CLK_CFG_3, CLK_CFG_3_SET, CLK_CFG_3_CLR, 24, 4, 31, 0, 0),
> + MUX_GATE_CLR_SET_UPD(AUDIO_SEL, "audio_sel", audio_sel_parents, CLK_CFG_4, CLK_CFG_4_SET, CLK_CFG_4_CLR, 0, 2, 7, 0, 0),
> + MUX_GATE_CLR_SET_UPD(AUDINTBUS_SEL, "aud_intbus_sel", aud_intbus_sel_parents, CLK_CFG_4, CLK_CFG_4_SET, CLK_CFG_4_CLR, 8, 2, 15, 0, 0),
> + MUX_CLR_SET_UPD(PMICSPI_SEL, "pmicspi_sel", pmicspi_sel_parents, CLK_CFG_4, CLK_CFG_4_SET, CLK_CFG_4_CLR, 16, 3, 0, 0),
> + MUX_GATE_CLR_SET_UPD(SCP_SEL, "scp_sel", scp_sel_parents, CLK_CFG_4, CLK_CFG_4_SET, CLK_CFG_4_CLR, 24, 2, 31, 0, 0),
> + MUX_GATE_CLR_SET_UPD(ATB_SEL, "atb_sel", atb_sel_parents, CLK_CFG_5, CLK_CFG_5_SET, CLK_CFG_5_CLR, 0, 2, 7, 0, 0),
> + MUX_GATE_CLR_SET_UPD(DPI0_SEL, "dpi0_sel", dpi0_sel_parents, CLK_CFG_5, CLK_CFG_5_SET, CLK_CFG_5_CLR, 8, 3, 15, 0, 0),
> + MUX_GATE_CLR_SET_UPD(SCAM_SEL, "scam_sel", scam_sel_parents, CLK_CFG_5, CLK_CFG_5_SET, CLK_CFG_5_CLR, 16, 2, 23, 0, 0),
> + MUX_GATE_CLR_SET_UPD(MFG13M_SEL, "mfg13m_sel", mfg13m_sel_parents, CLK_CFG_5, CLK_CFG_5_SET, CLK_CFG_5_CLR, 24, 1, 31, 0, 0),
> + MUX_GATE_CLR_SET_UPD(AUD1_SEL, "aud_1_sel", aud_1_2_sel_parents, CLK_CFG_6, CLK_CFG_6_SET, CLK_CFG_6_CLR, 0, 1, 7, 0, 0),
> + MUX_GATE_CLR_SET_UPD(AUD2_SEL, "aud_2_sel", aud_1_2_sel_parents, CLK_CFG_6, CLK_CFG_6_SET, CLK_CFG_6_CLR, 8, 1, 15, 0, 0),
> + MUX_GATE_CLR_SET_UPD(IRDA_SEL, "irda_sel", irda_sel_parents, CLK_CFG_6, CLK_CFG_6_SET, CLK_CFG_6_CLR, 16, 1, 23, 0, 0),
> + MUX_GATE_CLR_SET_UPD(IRTX_SEL, "irtx_sel", irtx_sel_parents, CLK_CFG_6, CLK_CFG_6_SET, CLK_CFG_6_CLR, 24, 1, 31, 0, 0),
> + MUX_GATE_CLR_SET_UPD(DISPPWM_SEL, "disppwm_sel", disppwm_sel_parents, CLK_CFG_7, CLK_CFG_7_SET, CLK_CFG_7_CLR, 0, 2, 7, 0, 0),
> +};
> +
> +int clk_mt6735_topckgen_probe(struct platform_device *pdev)
> +{
> + void __iomem *base;
> + struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> + struct clk_hw_onecell_data *clk_data;
> + int ret;
> +
> + base = devm_ioremap_resource(&pdev->dev, res);
> + if (IS_ERR(base))
> + return PTR_ERR(base);
> +
> + clk_data = mtk_alloc_clk_data(ARRAY_SIZE(topckgen_fixed_clks) +
> + ARRAY_SIZE(topckgen_factors) +
> + ARRAY_SIZE(topckgen_muxes));
> + if (!clk_data)
> + return -ENOMEM;
> + platform_set_drvdata(pdev, clk_data);
> +
> + ret = mtk_clk_register_fixed_clks(topckgen_fixed_clks,
> + ARRAY_SIZE(topckgen_fixed_clks),
> + clk_data);
> + if (ret) {
> + dev_err(&pdev->dev, "Failed to register fixed clocks: %d\n",
> + ret);
> + return ret;
> + }
> +
> + ret = mtk_clk_register_factors(topckgen_factors, ARRAY_SIZE(topckgen_factors),
> + clk_data);
> + if (ret) {
> + dev_err(&pdev->dev, "Failed to register dividers: %d\n", ret);
> + return ret;
> + }
> +
> + ret = mtk_clk_register_muxes(topckgen_muxes, ARRAY_SIZE(topckgen_muxes),
> + pdev->dev.of_node, &mt6735_topckgen_lock,
> + clk_data);
> + if (ret) {
> + dev_err(&pdev->dev, "Failed to register muxes: %d\n", ret);
> + return ret;
> + }
> +
> + ret = devm_of_clk_add_hw_provider(&pdev->dev, of_clk_hw_onecell_get,
> + clk_data);
> + if (ret)
> + dev_err(&pdev->dev,
> + "Failed to register clock provider: %d\n", ret);
> +
> + return ret;
> +}
> +
> +int clk_mt6735_topckgen_remove(struct platform_device *pdev)
> +{
> + struct clk_hw_onecell_data *clk_data = platform_get_drvdata(pdev);
> +
> + mtk_clk_unregister_muxes(topckgen_muxes, ARRAY_SIZE(topckgen_muxes),
> + clk_data);
> + mtk_clk_unregister_factors(topckgen_factors, ARRAY_SIZE(topckgen_factors),
> + clk_data);
> + mtk_clk_unregister_fixed_clks(topckgen_fixed_clks,
> + ARRAY_SIZE(topckgen_fixed_clks),
> + clk_data);
> + mtk_free_clk_data(clk_data);
> +
> + return 0;
> +}
> +
> +static const struct of_device_id of_match_mt6735_topckgen[] = {
> + { .compatible = "mediatek,mt6735-topckgen", },
> + { /* sentinel */ }
> +};
Missing module device table. Maybe in other pieces as well.
Best regards,
Krzysztof
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