[PATCH v6 13/21] clk: starfive: Add StarFive JH7110 system clock driver
Emil Renner Berthing
emil.renner.berthing at canonical.com
Fri Mar 24 07:39:54 PDT 2023
On Mon, 20 Mar 2023 at 11:38, Hal Feng <hal.feng at starfivetech.com> wrote:
>
> From: Emil Renner Berthing <kernel at esmil.dk>
>
> Add driver for the StarFive JH7110 system clock controller and
> register an auxiliary device for system reset controller which
> is named as "reset-sys".
>
> Tested-by: Tommaso Merciai <tomm.merciai at gmail.com>
> Signed-off-by: Emil Renner Berthing <kernel at esmil.dk>
> Co-developed-by: Hal Feng <hal.feng at starfivetech.com>
> Signed-off-by: Hal Feng <hal.feng at starfivetech.com>
> ---
> drivers/clk/starfive/Kconfig | 11 +
> drivers/clk/starfive/Makefile | 2 +
> .../clk/starfive/clk-starfive-jh7110-sys.c | 450 ++++++++++++++++++
> drivers/clk/starfive/clk-starfive-jh71x0.c | 50 ++
> drivers/clk/starfive/clk-starfive-jh71x0.h | 8 +
> 5 files changed, 521 insertions(+)
> create mode 100644 drivers/clk/starfive/clk-starfive-jh7110-sys.c
>
> diff --git a/drivers/clk/starfive/Kconfig b/drivers/clk/starfive/Kconfig
> index 3ceeb19b5eda..670c5084aeb8 100644
> --- a/drivers/clk/starfive/Kconfig
> +++ b/drivers/clk/starfive/Kconfig
> @@ -20,3 +20,14 @@ config CLK_STARFIVE_JH7100_AUDIO
> help
> Say Y or M here to support the audio clocks on the StarFive JH7100
> SoC.
> +
> +config CLK_STARFIVE_JH7110_SYS
> + bool "StarFive JH7110 system clock support"
> + depends on ARCH_STARFIVE || COMPILE_TEST
> + select AUXILIARY_BUS
> + select CLK_STARFIVE_JH71X0
> + select RESET_STARFIVE_JH7110
> + default ARCH_STARFIVE
> + help
> + Say yes here to support the system clock controller on the
> + StarFive JH7110 SoC.
> diff --git a/drivers/clk/starfive/Makefile b/drivers/clk/starfive/Makefile
> index 82edfa9f9cb8..5ca4e887fb9c 100644
> --- a/drivers/clk/starfive/Makefile
> +++ b/drivers/clk/starfive/Makefile
> @@ -3,3 +3,5 @@ obj-$(CONFIG_CLK_STARFIVE_JH71X0) += clk-starfive-jh71x0.o
>
> obj-$(CONFIG_CLK_STARFIVE_JH7100) += clk-starfive-jh7100.o
> obj-$(CONFIG_CLK_STARFIVE_JH7100_AUDIO) += clk-starfive-jh7100-audio.o
> +
> +obj-$(CONFIG_CLK_STARFIVE_JH7110_SYS) += clk-starfive-jh7110-sys.o
> diff --git a/drivers/clk/starfive/clk-starfive-jh7110-sys.c b/drivers/clk/starfive/clk-starfive-jh7110-sys.c
> new file mode 100644
> index 000000000000..f98a508969c3
> --- /dev/null
> +++ b/drivers/clk/starfive/clk-starfive-jh7110-sys.c
> @@ -0,0 +1,450 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * StarFive JH7110 System Clock Driver
> + *
> + * Copyright (C) 2022 Emil Renner Berthing <kernel at esmil.dk>
> + * Copyright (C) 2022 StarFive Technology Co., Ltd.
> + */
> +
> +#include <linux/clk.h>
> +#include <linux/clk-provider.h>
> +#include <linux/init.h>
> +#include <linux/io.h>
> +#include <linux/platform_device.h>
> +
> +#include <dt-bindings/clock/starfive,jh7110-crg.h>
> +
> +#include "clk-starfive-jh71x0.h"
> +
> +/* external clocks */
> +#define JH7110_SYSCLK_OSC (JH7110_SYSCLK_END + 0)
> +#define JH7110_SYSCLK_GMAC1_RMII_REFIN (JH7110_SYSCLK_END + 1)
> +#define JH7110_SYSCLK_GMAC1_RGMII_RXIN (JH7110_SYSCLK_END + 2)
> +#define JH7110_SYSCLK_I2STX_BCLK_EXT (JH7110_SYSCLK_END + 3)
> +#define JH7110_SYSCLK_I2STX_LRCK_EXT (JH7110_SYSCLK_END + 4)
> +#define JH7110_SYSCLK_I2SRX_BCLK_EXT (JH7110_SYSCLK_END + 5)
> +#define JH7110_SYSCLK_I2SRX_LRCK_EXT (JH7110_SYSCLK_END + 6)
> +#define JH7110_SYSCLK_TDM_EXT (JH7110_SYSCLK_END + 7)
> +#define JH7110_SYSCLK_MCLK_EXT (JH7110_SYSCLK_END + 8)
> +#define JH7110_SYSCLK_PLL0_OUT (JH7110_SYSCLK_END + 9)
> +#define JH7110_SYSCLK_PLL1_OUT (JH7110_SYSCLK_END + 10)
> +#define JH7110_SYSCLK_PLL2_OUT (JH7110_SYSCLK_END + 11)
> +
> +static const struct jh71x0_clk_data jh7110_sysclk_data[] __initconst = {
> + /* root */
> + JH71X0__MUX(JH7110_SYSCLK_CPU_ROOT, "cpu_root", 2,
> + JH7110_SYSCLK_OSC,
> + JH7110_SYSCLK_PLL0_OUT),
> + JH71X0__DIV(JH7110_SYSCLK_CPU_CORE, "cpu_core", 7, JH7110_SYSCLK_CPU_ROOT),
> + JH71X0__DIV(JH7110_SYSCLK_CPU_BUS, "cpu_bus", 2, JH7110_SYSCLK_CPU_CORE),
> + JH71X0__MUX(JH7110_SYSCLK_GPU_ROOT, "gpu_root", 2,
> + JH7110_SYSCLK_PLL2_OUT,
> + JH7110_SYSCLK_PLL1_OUT),
> + JH71X0_MDIV(JH7110_SYSCLK_PERH_ROOT, "perh_root", 2, 2,
> + JH7110_SYSCLK_PLL0_OUT,
> + JH7110_SYSCLK_PLL2_OUT),
> + JH71X0__MUX(JH7110_SYSCLK_BUS_ROOT, "bus_root", 2,
> + JH7110_SYSCLK_OSC,
> + JH7110_SYSCLK_PLL2_OUT),
> + JH71X0__DIV(JH7110_SYSCLK_NOCSTG_BUS, "nocstg_bus", 3, JH7110_SYSCLK_BUS_ROOT),
> + JH71X0__DIV(JH7110_SYSCLK_AXI_CFG0, "axi_cfg0", 3, JH7110_SYSCLK_BUS_ROOT),
> + JH71X0__DIV(JH7110_SYSCLK_STG_AXIAHB, "stg_axiahb", 2, JH7110_SYSCLK_AXI_CFG0),
> + JH71X0_GATE(JH7110_SYSCLK_AHB0, "ahb0", CLK_IS_CRITICAL, JH7110_SYSCLK_STG_AXIAHB),
> + JH71X0_GATE(JH7110_SYSCLK_AHB1, "ahb1", CLK_IS_CRITICAL, JH7110_SYSCLK_STG_AXIAHB),
> + JH71X0__DIV(JH7110_SYSCLK_APB_BUS, "apb_bus", 8, JH7110_SYSCLK_STG_AXIAHB),
> + JH71X0_GATE(JH7110_SYSCLK_APB0, "apb0", CLK_IS_CRITICAL, JH7110_SYSCLK_APB_BUS),
> + JH71X0__DIV(JH7110_SYSCLK_PLL0_DIV2, "pll0_div2", 2, JH7110_SYSCLK_PLL0_OUT),
> + JH71X0__DIV(JH7110_SYSCLK_PLL1_DIV2, "pll1_div2", 2, JH7110_SYSCLK_PLL1_OUT),
> + JH71X0__DIV(JH7110_SYSCLK_PLL2_DIV2, "pll2_div2", 2, JH7110_SYSCLK_PLL2_OUT),
> + JH71X0__DIV(JH7110_SYSCLK_AUDIO_ROOT, "audio_root", 8, JH7110_SYSCLK_PLL2_OUT),
> + JH71X0__DIV(JH7110_SYSCLK_MCLK_INNER, "mclk_inner", 64, JH7110_SYSCLK_AUDIO_ROOT),
> + JH71X0__MUX(JH7110_SYSCLK_MCLK, "mclk", 2,
> + JH7110_SYSCLK_MCLK_INNER,
> + JH7110_SYSCLK_MCLK_EXT),
> + JH71X0_GATE(JH7110_SYSCLK_MCLK_OUT, "mclk_out", 0, JH7110_SYSCLK_MCLK_INNER),
> + JH71X0_MDIV(JH7110_SYSCLK_ISP_2X, "isp_2x", 8, 2,
> + JH7110_SYSCLK_PLL2_OUT,
> + JH7110_SYSCLK_PLL1_OUT),
> + JH71X0__DIV(JH7110_SYSCLK_ISP_AXI, "isp_axi", 4, JH7110_SYSCLK_ISP_2X),
> + JH71X0_GDIV(JH7110_SYSCLK_GCLK0, "gclk0", 0, 62, JH7110_SYSCLK_PLL0_DIV2),
> + JH71X0_GDIV(JH7110_SYSCLK_GCLK1, "gclk1", 0, 62, JH7110_SYSCLK_PLL1_DIV2),
> + JH71X0_GDIV(JH7110_SYSCLK_GCLK2, "gclk2", 0, 62, JH7110_SYSCLK_PLL2_DIV2),
> + /* cores */
> + JH71X0_GATE(JH7110_SYSCLK_CORE, "core", CLK_IS_CRITICAL, JH7110_SYSCLK_CPU_CORE),
> + JH71X0_GATE(JH7110_SYSCLK_CORE1, "core1", CLK_IS_CRITICAL, JH7110_SYSCLK_CPU_CORE),
> + JH71X0_GATE(JH7110_SYSCLK_CORE2, "core2", CLK_IS_CRITICAL, JH7110_SYSCLK_CPU_CORE),
> + JH71X0_GATE(JH7110_SYSCLK_CORE3, "core3", CLK_IS_CRITICAL, JH7110_SYSCLK_CPU_CORE),
> + JH71X0_GATE(JH7110_SYSCLK_CORE4, "core4", CLK_IS_CRITICAL, JH7110_SYSCLK_CPU_CORE),
> + JH71X0_GATE(JH7110_SYSCLK_DEBUG, "debug", 0, JH7110_SYSCLK_CPU_BUS),
> + JH71X0__DIV(JH7110_SYSCLK_RTC_TOGGLE, "rtc_toggle", 6, JH7110_SYSCLK_OSC),
> + JH71X0_GATE(JH7110_SYSCLK_TRACE0, "trace0", 0, JH7110_SYSCLK_CPU_CORE),
> + JH71X0_GATE(JH7110_SYSCLK_TRACE1, "trace1", 0, JH7110_SYSCLK_CPU_CORE),
> + JH71X0_GATE(JH7110_SYSCLK_TRACE2, "trace2", 0, JH7110_SYSCLK_CPU_CORE),
> + JH71X0_GATE(JH7110_SYSCLK_TRACE3, "trace3", 0, JH7110_SYSCLK_CPU_CORE),
> + JH71X0_GATE(JH7110_SYSCLK_TRACE4, "trace4", 0, JH7110_SYSCLK_CPU_CORE),
> + JH71X0_GATE(JH7110_SYSCLK_TRACE_COM, "trace_com", 0, JH7110_SYSCLK_CPU_BUS),
> + /* noc */
> + JH71X0_GATE(JH7110_SYSCLK_NOC_BUS_CPU_AXI, "noc_bus_cpu_axi", CLK_IS_CRITICAL,
> + JH7110_SYSCLK_CPU_BUS),
> + JH71X0_GATE(JH7110_SYSCLK_NOC_BUS_AXICFG0_AXI, "noc_bus_axicfg0_axi", CLK_IS_CRITICAL,
> + JH7110_SYSCLK_AXI_CFG0),
> + /* ddr */
> + JH71X0__DIV(JH7110_SYSCLK_OSC_DIV2, "osc_div2", 2, JH7110_SYSCLK_OSC),
> + JH71X0__DIV(JH7110_SYSCLK_PLL1_DIV4, "pll1_div4", 2, JH7110_SYSCLK_PLL1_DIV2),
> + JH71X0__DIV(JH7110_SYSCLK_PLL1_DIV8, "pll1_div8", 2, JH7110_SYSCLK_PLL1_DIV4),
> + JH71X0__MUX(JH7110_SYSCLK_DDR_BUS, "ddr_bus", 4,
> + JH7110_SYSCLK_OSC_DIV2,
> + JH7110_SYSCLK_PLL1_DIV2,
> + JH7110_SYSCLK_PLL1_DIV4,
> + JH7110_SYSCLK_PLL1_DIV8),
> + JH71X0_GATE(JH7110_SYSCLK_DDR_AXI, "ddr_axi", CLK_IS_CRITICAL, JH7110_SYSCLK_DDR_BUS),
> + /* gpu */
> + JH71X0__DIV(JH7110_SYSCLK_GPU_CORE, "gpu_core", 7, JH7110_SYSCLK_GPU_ROOT),
> + JH71X0_GATE(JH7110_SYSCLK_GPU_CORE_CLK, "gpu_core_clk", 0, JH7110_SYSCLK_GPU_CORE),
> + JH71X0_GATE(JH7110_SYSCLK_GPU_SYS_CLK, "gpu_sys_clk", 0, JH7110_SYSCLK_ISP_AXI),
> + JH71X0_GATE(JH7110_SYSCLK_GPU_APB, "gpu_apb", 0, JH7110_SYSCLK_APB_BUS),
> + JH71X0_GDIV(JH7110_SYSCLK_GPU_RTC_TOGGLE, "gpu_rtc_toggle", 0, 12, JH7110_SYSCLK_OSC),
> + JH71X0_GATE(JH7110_SYSCLK_NOC_BUS_GPU_AXI, "noc_bus_gpu_axi", 0, JH7110_SYSCLK_GPU_CORE),
> + /* isp */
> + JH71X0_GATE(JH7110_SYSCLK_ISP_TOP_CORE, "isp_top_core", 0, JH7110_SYSCLK_ISP_2X),
> + JH71X0_GATE(JH7110_SYSCLK_ISP_TOP_AXI, "isp_top_axi", 0, JH7110_SYSCLK_ISP_AXI),
> + JH71X0_GATE(JH7110_SYSCLK_NOC_BUS_ISP_AXI, "noc_bus_isp_axi", CLK_IS_CRITICAL,
> + JH7110_SYSCLK_ISP_AXI),
> + /* hifi4 */
> + JH71X0__DIV(JH7110_SYSCLK_HIFI4_CORE, "hifi4_core", 15, JH7110_SYSCLK_BUS_ROOT),
> + JH71X0__DIV(JH7110_SYSCLK_HIFI4_AXI, "hifi4_axi", 2, JH7110_SYSCLK_HIFI4_CORE),
> + /* axi_cfg1 */
> + JH71X0_GATE(JH7110_SYSCLK_AXI_CFG1_MAIN, "axi_cfg1_main", CLK_IS_CRITICAL,
> + JH7110_SYSCLK_ISP_AXI),
> + JH71X0_GATE(JH7110_SYSCLK_AXI_CFG1_AHB, "axi_cfg1_ahb", CLK_IS_CRITICAL,
> + JH7110_SYSCLK_AHB0),
> + /* vout */
> + JH71X0_GATE(JH7110_SYSCLK_VOUT_SRC, "vout_src", 0, JH7110_SYSCLK_PLL2_OUT),
> + JH71X0__DIV(JH7110_SYSCLK_VOUT_AXI, "vout_axi", 7, JH7110_SYSCLK_PLL2_OUT),
> + JH71X0_GATE(JH7110_SYSCLK_NOC_BUS_DISP_AXI, "noc_bus_disp_axi", 0, JH7110_SYSCLK_VOUT_AXI),
> + JH71X0_GATE(JH7110_SYSCLK_VOUT_TOP_AHB, "vout_top_ahb", 0, JH7110_SYSCLK_AHB1),
> + JH71X0_GATE(JH7110_SYSCLK_VOUT_TOP_AXI, "vout_top_axi", 0, JH7110_SYSCLK_VOUT_AXI),
> + JH71X0_GATE(JH7110_SYSCLK_VOUT_TOP_HDMITX0_MCLK, "vout_top_hdmitx0_mclk", 0,
> + JH7110_SYSCLK_MCLK),
> + JH71X0__DIV(JH7110_SYSCLK_VOUT_TOP_MIPIPHY_REF, "vout_top_mipiphy_ref", 2,
> + JH7110_SYSCLK_OSC),
> + /* jpegc */
> + JH71X0__DIV(JH7110_SYSCLK_JPEGC_AXI, "jpegc_axi", 16, JH7110_SYSCLK_PLL2_OUT),
> + JH71X0_GATE(JH7110_SYSCLK_CODAJ12_AXI, "codaj12_axi", 0, JH7110_SYSCLK_JPEGC_AXI),
> + JH71X0_GDIV(JH7110_SYSCLK_CODAJ12_CORE, "codaj12_core", 0, 16, JH7110_SYSCLK_PLL2_OUT),
> + JH71X0_GATE(JH7110_SYSCLK_CODAJ12_APB, "codaj12_apb", 0, JH7110_SYSCLK_APB_BUS),
> + /* vdec */
> + JH71X0__DIV(JH7110_SYSCLK_VDEC_AXI, "vdec_axi", 7, JH7110_SYSCLK_BUS_ROOT),
> + JH71X0_GATE(JH7110_SYSCLK_WAVE511_AXI, "wave511_axi", 0, JH7110_SYSCLK_VDEC_AXI),
> + JH71X0_GDIV(JH7110_SYSCLK_WAVE511_BPU, "wave511_bpu", 0, 7, JH7110_SYSCLK_BUS_ROOT),
> + JH71X0_GDIV(JH7110_SYSCLK_WAVE511_VCE, "wave511_vce", 0, 7, JH7110_SYSCLK_PLL0_OUT),
> + JH71X0_GATE(JH7110_SYSCLK_WAVE511_APB, "wave511_apb", 0, JH7110_SYSCLK_APB_BUS),
> + JH71X0_GATE(JH7110_SYSCLK_VDEC_JPG, "vdec_jpg", 0, JH7110_SYSCLK_JPEGC_AXI),
> + JH71X0_GATE(JH7110_SYSCLK_VDEC_MAIN, "vdec_main", 0, JH7110_SYSCLK_VDEC_AXI),
> + JH71X0_GATE(JH7110_SYSCLK_NOC_BUS_VDEC_AXI, "noc_bus_vdec_axi", 0, JH7110_SYSCLK_VDEC_AXI),
> + /* venc */
> + JH71X0__DIV(JH7110_SYSCLK_VENC_AXI, "venc_axi", 15, JH7110_SYSCLK_PLL2_OUT),
> + JH71X0_GATE(JH7110_SYSCLK_WAVE420L_AXI, "wave420l_axi", 0, JH7110_SYSCLK_VENC_AXI),
> + JH71X0_GDIV(JH7110_SYSCLK_WAVE420L_BPU, "wave420l_bpu", 0, 15, JH7110_SYSCLK_PLL2_OUT),
> + JH71X0_GDIV(JH7110_SYSCLK_WAVE420L_VCE, "wave420l_vce", 0, 15, JH7110_SYSCLK_PLL2_OUT),
> + JH71X0_GATE(JH7110_SYSCLK_WAVE420L_APB, "wave420l_apb", 0, JH7110_SYSCLK_APB_BUS),
> + JH71X0_GATE(JH7110_SYSCLK_NOC_BUS_VENC_AXI, "noc_bus_venc_axi", 0, JH7110_SYSCLK_VENC_AXI),
> + /* axi_cfg0 */
> + JH71X0_GATE(JH7110_SYSCLK_AXI_CFG0_MAIN_DIV, "axi_cfg0_main_div", CLK_IS_CRITICAL,
> + JH7110_SYSCLK_AHB1),
> + JH71X0_GATE(JH7110_SYSCLK_AXI_CFG0_MAIN, "axi_cfg0_main", CLK_IS_CRITICAL,
> + JH7110_SYSCLK_AXI_CFG0),
> + JH71X0_GATE(JH7110_SYSCLK_AXI_CFG0_HIFI4, "axi_cfg0_hifi4", CLK_IS_CRITICAL,
> + JH7110_SYSCLK_HIFI4_AXI),
> + /* intmem */
> + JH71X0_GATE(JH7110_SYSCLK_AXIMEM2_AXI, "aximem2_axi", 0, JH7110_SYSCLK_AXI_CFG0),
> + /* qspi */
> + JH71X0_GATE(JH7110_SYSCLK_QSPI_AHB, "qspi_ahb", CLK_IGNORE_UNUSED, JH7110_SYSCLK_AHB1),
> + JH71X0_GATE(JH7110_SYSCLK_QSPI_APB, "qspi_apb", CLK_IGNORE_UNUSED, JH7110_SYSCLK_APB_BUS),
Hi Hal,
Thanks for going through clocks marked with CLK_IGNORE_UNUSED and
either remove the flags or mark them as critical.. It seems you've
missed these two though.
> + JH71X0__DIV(JH7110_SYSCLK_QSPI_REF_SRC, "qspi_ref_src", 16, JH7110_SYSCLK_PLL0_OUT),
> + JH71X0_GMUX(JH7110_SYSCLK_QSPI_REF, "qspi_ref", 0, 2,
> + JH7110_SYSCLK_OSC,
> + JH7110_SYSCLK_QSPI_REF_SRC),
> + /* sdio */
> + JH71X0_GATE(JH7110_SYSCLK_SDIO0_AHB, "sdio0_ahb", 0, JH7110_SYSCLK_AHB0),
> + JH71X0_GATE(JH7110_SYSCLK_SDIO1_AHB, "sdio1_ahb", 0, JH7110_SYSCLK_AHB0),
> + JH71X0_GDIV(JH7110_SYSCLK_SDIO0_SDCARD, "sdio0_sdcard", 0, 15, JH7110_SYSCLK_AXI_CFG0),
> + JH71X0_GDIV(JH7110_SYSCLK_SDIO1_SDCARD, "sdio1_sdcard", 0, 15, JH7110_SYSCLK_AXI_CFG0),
> + /* stg */
> + JH71X0__DIV(JH7110_SYSCLK_USB_125M, "usb_125m", 15, JH7110_SYSCLK_PLL0_OUT),
> + JH71X0_GATE(JH7110_SYSCLK_NOC_BUS_STG_AXI, "noc_bus_stg_axi", CLK_IS_CRITICAL,
> + JH7110_SYSCLK_NOCSTG_BUS),
> + /* gmac1 */
> + JH71X0_GATE(JH7110_SYSCLK_GMAC1_AHB, "gmac1_ahb", 0, JH7110_SYSCLK_AHB0),
> + JH71X0_GATE(JH7110_SYSCLK_GMAC1_AXI, "gmac1_axi", 0, JH7110_SYSCLK_STG_AXIAHB),
> + JH71X0__DIV(JH7110_SYSCLK_GMAC_SRC, "gmac_src", 7, JH7110_SYSCLK_PLL0_OUT),
> + JH71X0__DIV(JH7110_SYSCLK_GMAC1_GTXCLK, "gmac1_gtxclk", 15, JH7110_SYSCLK_PLL0_OUT),
> + JH71X0__DIV(JH7110_SYSCLK_GMAC1_RMII_RTX, "gmac1_rmii_rtx", 30,
> + JH7110_SYSCLK_GMAC1_RMII_REFIN),
> + JH71X0_GDIV(JH7110_SYSCLK_GMAC1_PTP, "gmac1_ptp", 0, 31, JH7110_SYSCLK_GMAC_SRC),
> + JH71X0__MUX(JH7110_SYSCLK_GMAC1_RX, "gmac1_rx", 2,
> + JH7110_SYSCLK_GMAC1_RGMII_RXIN,
> + JH7110_SYSCLK_GMAC1_RMII_RTX),
> + JH71X0__INV(JH7110_SYSCLK_GMAC1_RX_INV, "gmac1_rx_inv", JH7110_SYSCLK_GMAC1_RX),
> + JH71X0_GMUX(JH7110_SYSCLK_GMAC1_TX, "gmac1_tx", CLK_SET_RATE_PARENT, 2,
> + JH7110_SYSCLK_GMAC1_GTXCLK,
> + JH7110_SYSCLK_GMAC1_RMII_RTX),
> + JH71X0__INV(JH7110_SYSCLK_GMAC1_TX_INV, "gmac1_tx_inv", JH7110_SYSCLK_GMAC1_TX),
> + JH71X0_GATE(JH7110_SYSCLK_GMAC1_GTXC, "gmac1_gtxc", CLK_SET_RATE_PARENT,
> + JH7110_SYSCLK_GMAC1_GTXCLK),
> + /* gmac0 */
> + JH71X0_GDIV(JH7110_SYSCLK_GMAC0_GTXCLK, "gmac0_gtxclk", 0, 15, JH7110_SYSCLK_PLL0_OUT),
> + JH71X0_GDIV(JH7110_SYSCLK_GMAC0_PTP, "gmac0_ptp", 0, 31, JH7110_SYSCLK_GMAC_SRC),
> + JH71X0_GDIV(JH7110_SYSCLK_GMAC_PHY, "gmac_phy", 0, 31, JH7110_SYSCLK_GMAC_SRC),
> + JH71X0_GATE(JH7110_SYSCLK_GMAC0_GTXC, "gmac0_gtxc", CLK_SET_RATE_PARENT,
> + JH7110_SYSCLK_GMAC0_GTXCLK),
> + /* apb misc */
> + JH71X0_GATE(JH7110_SYSCLK_IOMUX_APB, "iomux_apb", 0, JH7110_SYSCLK_APB_BUS),
> + JH71X0_GATE(JH7110_SYSCLK_MAILBOX_APB, "mailbox_apb", 0, JH7110_SYSCLK_APB_BUS),
> + JH71X0_GATE(JH7110_SYSCLK_INT_CTRL_APB, "int_ctrl_apb", 0, JH7110_SYSCLK_APB_BUS),
> + /* can0 */
> + JH71X0_GATE(JH7110_SYSCLK_CAN0_APB, "can0_apb", 0, JH7110_SYSCLK_APB_BUS),
> + JH71X0_GDIV(JH7110_SYSCLK_CAN0_TIMER, "can0_timer", 0, 24, JH7110_SYSCLK_OSC),
> + JH71X0_GDIV(JH7110_SYSCLK_CAN0_CAN, "can0_can", 0, 63, JH7110_SYSCLK_PERH_ROOT),
> + /* can1 */
> + JH71X0_GATE(JH7110_SYSCLK_CAN1_APB, "can1_apb", 0, JH7110_SYSCLK_APB_BUS),
> + JH71X0_GDIV(JH7110_SYSCLK_CAN1_TIMER, "can1_timer", 0, 24, JH7110_SYSCLK_OSC),
> + JH71X0_GDIV(JH7110_SYSCLK_CAN1_CAN, "can1_can", 0, 63, JH7110_SYSCLK_PERH_ROOT),
> + /* pwm */
> + JH71X0_GATE(JH7110_SYSCLK_PWM_APB, "pwm_apb", 0, JH7110_SYSCLK_APB_BUS),
> + /* wdt */
> + JH71X0_GATE(JH7110_SYSCLK_WDT_APB, "wdt_apb", 0, JH7110_SYSCLK_APB_BUS),
> + JH71X0_GATE(JH7110_SYSCLK_WDT_CORE, "wdt_core", 0, JH7110_SYSCLK_OSC),
> + /* timer */
> + JH71X0_GATE(JH7110_SYSCLK_TIMER_APB, "timer_apb", 0, JH7110_SYSCLK_APB_BUS),
> + JH71X0_GATE(JH7110_SYSCLK_TIMER0, "timer0", 0, JH7110_SYSCLK_OSC),
> + JH71X0_GATE(JH7110_SYSCLK_TIMER1, "timer1", 0, JH7110_SYSCLK_OSC),
> + JH71X0_GATE(JH7110_SYSCLK_TIMER2, "timer2", 0, JH7110_SYSCLK_OSC),
> + JH71X0_GATE(JH7110_SYSCLK_TIMER3, "timer3", 0, JH7110_SYSCLK_OSC),
> + /* temp sensor */
> + JH71X0_GATE(JH7110_SYSCLK_TEMP_APB, "temp_apb", 0, JH7110_SYSCLK_APB_BUS),
> + JH71X0_GDIV(JH7110_SYSCLK_TEMP_CORE, "temp_core", 0, 24, JH7110_SYSCLK_OSC),
> + /* spi */
> + JH71X0_GATE(JH7110_SYSCLK_SPI0_APB, "spi0_apb", 0, JH7110_SYSCLK_APB0),
> + JH71X0_GATE(JH7110_SYSCLK_SPI1_APB, "spi1_apb", 0, JH7110_SYSCLK_APB0),
> + JH71X0_GATE(JH7110_SYSCLK_SPI2_APB, "spi2_apb", 0, JH7110_SYSCLK_APB0),
> + JH71X0_GATE(JH7110_SYSCLK_SPI3_APB, "spi3_apb", 0, JH7110_SYSCLK_APB_BUS),
> + JH71X0_GATE(JH7110_SYSCLK_SPI4_APB, "spi4_apb", 0, JH7110_SYSCLK_APB_BUS),
> + JH71X0_GATE(JH7110_SYSCLK_SPI5_APB, "spi5_apb", 0, JH7110_SYSCLK_APB_BUS),
> + JH71X0_GATE(JH7110_SYSCLK_SPI6_APB, "spi6_apb", 0, JH7110_SYSCLK_APB_BUS),
> + /* i2c */
> + JH71X0_GATE(JH7110_SYSCLK_I2C0_APB, "i2c0_apb", 0, JH7110_SYSCLK_APB0),
> + JH71X0_GATE(JH7110_SYSCLK_I2C1_APB, "i2c1_apb", 0, JH7110_SYSCLK_APB0),
> + JH71X0_GATE(JH7110_SYSCLK_I2C2_APB, "i2c2_apb", 0, JH7110_SYSCLK_APB0),
> + JH71X0_GATE(JH7110_SYSCLK_I2C3_APB, "i2c3_apb", 0, JH7110_SYSCLK_APB_BUS),
> + JH71X0_GATE(JH7110_SYSCLK_I2C4_APB, "i2c4_apb", 0, JH7110_SYSCLK_APB_BUS),
> + JH71X0_GATE(JH7110_SYSCLK_I2C5_APB, "i2c5_apb", 0, JH7110_SYSCLK_APB_BUS),
> + JH71X0_GATE(JH7110_SYSCLK_I2C6_APB, "i2c6_apb", 0, JH7110_SYSCLK_APB_BUS),
> + /* uart */
> + JH71X0_GATE(JH7110_SYSCLK_UART0_APB, "uart0_apb", 0, JH7110_SYSCLK_APB0),
> + JH71X0_GATE(JH7110_SYSCLK_UART0_CORE, "uart0_core", 0, JH7110_SYSCLK_OSC),
> + JH71X0_GATE(JH7110_SYSCLK_UART1_APB, "uart1_apb", 0, JH7110_SYSCLK_APB0),
> + JH71X0_GATE(JH7110_SYSCLK_UART1_CORE, "uart1_core", 0, JH7110_SYSCLK_OSC),
> + JH71X0_GATE(JH7110_SYSCLK_UART2_APB, "uart2_apb", 0, JH7110_SYSCLK_APB0),
> + JH71X0_GATE(JH7110_SYSCLK_UART2_CORE, "uart2_core", 0, JH7110_SYSCLK_OSC),
> + JH71X0_GATE(JH7110_SYSCLK_UART3_APB, "uart3_apb", 0, JH7110_SYSCLK_APB0),
> + JH71X0_GDIV(JH7110_SYSCLK_UART3_CORE, "uart3_core", 0, 10, JH7110_SYSCLK_PERH_ROOT),
> + JH71X0_GATE(JH7110_SYSCLK_UART4_APB, "uart4_apb", 0, JH7110_SYSCLK_APB0),
> + JH71X0_GDIV(JH7110_SYSCLK_UART4_CORE, "uart4_core", 0, 10, JH7110_SYSCLK_PERH_ROOT),
> + JH71X0_GATE(JH7110_SYSCLK_UART5_APB, "uart5_apb", 0, JH7110_SYSCLK_APB0),
> + JH71X0_GDIV(JH7110_SYSCLK_UART5_CORE, "uart5_core", 0, 10, JH7110_SYSCLK_PERH_ROOT),
> + /* pwmdac */
> + JH71X0_GATE(JH7110_SYSCLK_PWMDAC_APB, "pwmdac_apb", 0, JH7110_SYSCLK_APB0),
> + JH71X0_GDIV(JH7110_SYSCLK_PWMDAC_CORE, "pwmdac_core", 0, 256, JH7110_SYSCLK_AUDIO_ROOT),
> + /* spdif */
> + JH71X0_GATE(JH7110_SYSCLK_SPDIF_APB, "spdif_apb", 0, JH7110_SYSCLK_APB0),
> + JH71X0_GATE(JH7110_SYSCLK_SPDIF_CORE, "spdif_core", 0, JH7110_SYSCLK_MCLK),
> + /* i2stx0 */
> + JH71X0_GATE(JH7110_SYSCLK_I2STX0_APB, "i2stx0_apb", 0, JH7110_SYSCLK_APB0),
> + JH71X0_GDIV(JH7110_SYSCLK_I2STX0_BCLK_MST, "i2stx0_bclk_mst", 0, 32, JH7110_SYSCLK_MCLK),
> + JH71X0__INV(JH7110_SYSCLK_I2STX0_BCLK_MST_INV, "i2stx0_bclk_mst_inv",
> + JH7110_SYSCLK_I2STX0_BCLK_MST),
> + JH71X0_MDIV(JH7110_SYSCLK_I2STX0_LRCK_MST, "i2stx0_lrck_mst", 64, 2,
> + JH7110_SYSCLK_I2STX0_BCLK_MST_INV,
> + JH7110_SYSCLK_I2STX0_BCLK_MST),
> + JH71X0__MUX(JH7110_SYSCLK_I2STX0_BCLK, "i2stx0_bclk", 2,
> + JH7110_SYSCLK_I2STX0_BCLK_MST,
> + JH7110_SYSCLK_I2STX_BCLK_EXT),
> + JH71X0__INV(JH7110_SYSCLK_I2STX0_BCLK_INV, "i2stx0_bclk_inv", JH7110_SYSCLK_I2STX0_BCLK),
> + JH71X0__MUX(JH7110_SYSCLK_I2STX0_LRCK, "i2stx0_lrck", 2,
> + JH7110_SYSCLK_I2STX0_LRCK_MST,
> + JH7110_SYSCLK_I2STX_LRCK_EXT),
> + /* i2stx1 */
> + JH71X0_GATE(JH7110_SYSCLK_I2STX1_APB, "i2stx1_apb", 0, JH7110_SYSCLK_APB0),
> + JH71X0_GDIV(JH7110_SYSCLK_I2STX1_BCLK_MST, "i2stx1_bclk_mst", 0, 32, JH7110_SYSCLK_MCLK),
> + JH71X0__INV(JH7110_SYSCLK_I2STX1_BCLK_MST_INV, "i2stx1_bclk_mst_inv",
> + JH7110_SYSCLK_I2STX1_BCLK_MST),
> + JH71X0_MDIV(JH7110_SYSCLK_I2STX1_LRCK_MST, "i2stx1_lrck_mst", 64, 2,
> + JH7110_SYSCLK_I2STX1_BCLK_MST_INV,
> + JH7110_SYSCLK_I2STX1_BCLK_MST),
> + JH71X0__MUX(JH7110_SYSCLK_I2STX1_BCLK, "i2stx1_bclk", 2,
> + JH7110_SYSCLK_I2STX1_BCLK_MST,
> + JH7110_SYSCLK_I2STX_BCLK_EXT),
> + JH71X0__INV(JH7110_SYSCLK_I2STX1_BCLK_INV, "i2stx1_bclk_inv", JH7110_SYSCLK_I2STX1_BCLK),
> + JH71X0__MUX(JH7110_SYSCLK_I2STX1_LRCK, "i2stx1_lrck", 2,
> + JH7110_SYSCLK_I2STX1_LRCK_MST,
> + JH7110_SYSCLK_I2STX_LRCK_EXT),
> + /* i2srx */
> + JH71X0_GATE(JH7110_SYSCLK_I2SRX_APB, "i2srx_apb", 0, JH7110_SYSCLK_APB0),
> + JH71X0_GDIV(JH7110_SYSCLK_I2SRX_BCLK_MST, "i2srx_bclk_mst", 0, 32, JH7110_SYSCLK_MCLK),
> + JH71X0__INV(JH7110_SYSCLK_I2SRX_BCLK_MST_INV, "i2srx_bclk_mst_inv",
> + JH7110_SYSCLK_I2SRX_BCLK_MST),
> + JH71X0_MDIV(JH7110_SYSCLK_I2SRX_LRCK_MST, "i2srx_lrck_mst", 64, 2,
> + JH7110_SYSCLK_I2SRX_BCLK_MST_INV,
> + JH7110_SYSCLK_I2SRX_BCLK_MST),
> + JH71X0__MUX(JH7110_SYSCLK_I2SRX_BCLK, "i2srx_bclk", 2,
> + JH7110_SYSCLK_I2SRX_BCLK_MST,
> + JH7110_SYSCLK_I2SRX_BCLK_EXT),
> + JH71X0__INV(JH7110_SYSCLK_I2SRX_BCLK_INV, "i2srx_bclk_inv", JH7110_SYSCLK_I2SRX_BCLK),
> + JH71X0__MUX(JH7110_SYSCLK_I2SRX_LRCK, "i2srx_lrck", 2,
> + JH7110_SYSCLK_I2SRX_LRCK_MST,
> + JH7110_SYSCLK_I2SRX_LRCK_EXT),
> + /* pdm */
> + JH71X0_GDIV(JH7110_SYSCLK_PDM_DMIC, "pdm_dmic", 0, 64, JH7110_SYSCLK_MCLK),
> + JH71X0_GATE(JH7110_SYSCLK_PDM_APB, "pdm_apb", 0, JH7110_SYSCLK_APB0),
> + /* tdm */
> + JH71X0_GATE(JH7110_SYSCLK_TDM_AHB, "tdm_ahb", 0, JH7110_SYSCLK_AHB0),
> + JH71X0_GATE(JH7110_SYSCLK_TDM_APB, "tdm_apb", 0, JH7110_SYSCLK_APB0),
> + JH71X0_GDIV(JH7110_SYSCLK_TDM_INTERNAL, "tdm_internal", 0, 64, JH7110_SYSCLK_MCLK),
> + JH71X0__MUX(JH7110_SYSCLK_TDM_TDM, "tdm_tdm", 2,
> + JH7110_SYSCLK_TDM_INTERNAL,
> + JH7110_SYSCLK_TDM_EXT),
> + JH71X0__INV(JH7110_SYSCLK_TDM_TDM_INV, "tdm_tdm_inv", JH7110_SYSCLK_TDM_TDM),
> + /* jtag */
> + JH71X0__DIV(JH7110_SYSCLK_JTAG_CERTIFICATION_TRNG, "jtag_certification_trng", 4,
> + JH7110_SYSCLK_OSC),
> +};
> +
> +static struct clk_hw *jh7110_sysclk_get(struct of_phandle_args *clkspec, void *data)
> +{
> + struct jh71x0_clk_priv *priv = data;
> + unsigned int idx = clkspec->args[0];
> +
> + if (idx < JH7110_SYSCLK_END)
> + return &priv->reg[idx].hw;
> +
> + if (idx >= JH7110_SYSCLK_PLL0_OUT && idx <= JH7110_SYSCLK_PLL2_OUT)
> + return priv->pll[idx - JH7110_SYSCLK_PLL0_OUT];
> +
> + return ERR_PTR(-EINVAL);
> +}
> +
> +static int __init jh7110_syscrg_probe(struct platform_device *pdev)
> +{
> + struct jh71x0_clk_priv *priv;
> + unsigned int idx;
> + int ret;
> +
> + priv = devm_kzalloc(&pdev->dev,
> + struct_size(priv, reg, JH7110_SYSCLK_END),
> + GFP_KERNEL);
> + if (!priv)
> + return -ENOMEM;
> +
> + spin_lock_init(&priv->rmw_lock);
> + priv->dev = &pdev->dev;
> + priv->base = devm_platform_ioremap_resource(pdev, 0);
> + if (IS_ERR(priv->base))
> + return PTR_ERR(priv->base);
> +
> + dev_set_drvdata(priv->dev, (void *)(&priv->base));
> +
> + /*
> + * These PLL clocks are not actually fixed factor clocks and can be
> + * controlled by the syscon registers of JH7110. They will be dropped
> + * and registered in the PLL clock driver instead.
> + */
> + /* 24MHz -> 1000.0MHz */
> + priv->pll[0] = devm_clk_hw_register_fixed_factor(priv->dev, "pll0_out",
> + "osc", 0, 125, 3);
> + if (IS_ERR(priv->pll[0]))
> + return PTR_ERR(priv->pll[0]);
> +
> + /* 24MHz -> 1066.0MHz */
> + priv->pll[1] = devm_clk_hw_register_fixed_factor(priv->dev, "pll1_out",
> + "osc", 0, 533, 12);
> + if (IS_ERR(priv->pll[1]))
> + return PTR_ERR(priv->pll[1]);
> +
> + /* 24MHz -> 1188.0MHz */
> + priv->pll[2] = devm_clk_hw_register_fixed_factor(priv->dev, "pll2_out",
> + "osc", 0, 99, 2);
> + if (IS_ERR(priv->pll[2]))
> + return PTR_ERR(priv->pll[2]);
> +
> + for (idx = 0; idx < JH7110_SYSCLK_END; idx++) {
> + u32 max = jh7110_sysclk_data[idx].max;
> + struct clk_parent_data parents[4] = {};
> + struct clk_init_data init = {
> + .name = jh7110_sysclk_data[idx].name,
> + .ops = starfive_jh71x0_clk_ops(max),
> + .parent_data = parents,
> + .num_parents =
> + ((max & JH71X0_CLK_MUX_MASK) >> JH71X0_CLK_MUX_SHIFT) + 1,
> + .flags = jh7110_sysclk_data[idx].flags,
> + };
> + struct jh71x0_clk *clk = &priv->reg[idx];
> + unsigned int i;
> +
> + for (i = 0; i < init.num_parents; i++) {
> + unsigned int pidx = jh7110_sysclk_data[idx].parents[i];
> +
> + if (pidx < JH7110_SYSCLK_END)
> + parents[i].hw = &priv->reg[pidx].hw;
> + else if (pidx == JH7110_SYSCLK_OSC)
> + parents[i].fw_name = "osc";
> + else if (pidx == JH7110_SYSCLK_GMAC1_RMII_REFIN)
> + parents[i].fw_name = "gmac1_rmii_refin";
> + else if (pidx == JH7110_SYSCLK_GMAC1_RGMII_RXIN)
> + parents[i].fw_name = "gmac1_rgmii_rxin";
> + else if (pidx == JH7110_SYSCLK_I2STX_BCLK_EXT)
> + parents[i].fw_name = "i2stx_bclk_ext";
> + else if (pidx == JH7110_SYSCLK_I2STX_LRCK_EXT)
> + parents[i].fw_name = "i2stx_lrck_ext";
> + else if (pidx == JH7110_SYSCLK_I2SRX_BCLK_EXT)
> + parents[i].fw_name = "i2srx_bclk_ext";
> + else if (pidx == JH7110_SYSCLK_I2SRX_LRCK_EXT)
> + parents[i].fw_name = "i2srx_lrck_ext";
> + else if (pidx == JH7110_SYSCLK_TDM_EXT)
> + parents[i].fw_name = "tdm_ext";
> + else if (pidx == JH7110_SYSCLK_MCLK_EXT)
> + parents[i].fw_name = "mclk_ext";
> + else if (pidx >= JH7110_SYSCLK_PLL0_OUT &&
> + pidx <= JH7110_SYSCLK_PLL2_OUT)
> + parents[i].hw = priv->pll[pidx - JH7110_SYSCLK_PLL0_OUT];
> + }
> +
> + clk->hw.init = &init;
> + clk->idx = idx;
> + clk->max_div = max & JH71X0_CLK_DIV_MASK;
> +
> + ret = devm_clk_hw_register(&pdev->dev, &clk->hw);
> + if (ret)
> + return ret;
> + }
> +
> + ret = devm_of_clk_add_hw_provider(&pdev->dev, jh7110_sysclk_get, priv);
> + if (ret)
> + return ret;
> +
> + return jh7110_reset_controller_register(priv, "reset-sys", 0);
> +}
> +
> +static const struct of_device_id jh7110_syscrg_match[] = {
> + { .compatible = "starfive,jh7110-syscrg" },
> + { /* sentinel */ }
> +};
> +
> +static struct platform_driver jh7110_syscrg_driver = {
> + .driver = {
> + .name = "clk-starfive-jh7110-sys",
> + .of_match_table = jh7110_syscrg_match,
> + .suppress_bind_attrs = true,
> + },
> +};
> +builtin_platform_driver_probe(jh7110_syscrg_driver, jh7110_syscrg_probe);
> diff --git a/drivers/clk/starfive/clk-starfive-jh71x0.c b/drivers/clk/starfive/clk-starfive-jh71x0.c
> index b372083d11c3..a8c60630ae73 100644
> --- a/drivers/clk/starfive/clk-starfive-jh71x0.c
> +++ b/drivers/clk/starfive/clk-starfive-jh71x0.c
> @@ -5,6 +5,7 @@
> * Copyright (C) 2021-2022 Emil Renner Berthing <kernel at esmil.dk>
> */
>
> +#include <linux/auxiliary_bus.h>
> #include <linux/clk-provider.h>
> #include <linux/debugfs.h>
> #include <linux/device.h>
> @@ -331,3 +332,52 @@ const struct clk_ops *starfive_jh71x0_clk_ops(u32 max)
> return &jh71x0_clk_inv_ops;
> }
> EXPORT_SYMBOL_GPL(starfive_jh71x0_clk_ops);
> +
> +#if IS_ENABLED(CONFIG_CLK_STARFIVE_JH7110_SYS)
> +
> +static void jh7110_reset_unregister_adev(void *_adev)
> +{
> + struct auxiliary_device *adev = _adev;
> +
> + auxiliary_device_delete(adev);
> +}
> +
> +static void jh7110_reset_adev_release(struct device *dev)
> +{
> + struct auxiliary_device *adev = to_auxiliary_dev(dev);
> +
> + auxiliary_device_uninit(adev);
> +}
> +
> +int jh7110_reset_controller_register(struct jh71x0_clk_priv *priv,
> + const char *adev_name,
> + u32 adev_id)
> +{
> + struct auxiliary_device *adev;
> + int ret;
> +
> + adev = devm_kzalloc(priv->dev, sizeof(*adev), GFP_KERNEL);
> + if (!adev)
> + return -ENOMEM;
> +
> + adev->name = adev_name;
> + adev->dev.parent = priv->dev;
> + adev->dev.release = jh7110_reset_adev_release;
> + adev->id = adev_id;
> +
> + ret = auxiliary_device_init(adev);
> + if (ret)
> + return ret;
> +
> + ret = auxiliary_device_add(adev);
> + if (ret) {
> + auxiliary_device_uninit(adev);
> + return ret;
> + }
> +
> + return devm_add_action_or_reset(priv->dev,
> + jh7110_reset_unregister_adev, adev);
> +}
> +EXPORT_SYMBOL_GPL(jh7110_reset_controller_register);
> +
> +#endif
Hey, sorry for not noticing this before, but is there a reason these
JH7110-specific functions must be added to the generic JH71x0 code?
Can't they be added to the JH7110 SYSCRG driver, and then let the
other CRG drivers depend on that (which they already do because of
clock dependencies)?
> diff --git a/drivers/clk/starfive/clk-starfive-jh71x0.h b/drivers/clk/starfive/clk-starfive-jh71x0.h
> index 34bb11c72eb7..cfe69aabd65a 100644
> --- a/drivers/clk/starfive/clk-starfive-jh71x0.h
> +++ b/drivers/clk/starfive/clk-starfive-jh71x0.h
> @@ -120,4 +120,12 @@ struct jh71x0_clk_priv {
>
> const struct clk_ops *starfive_jh71x0_clk_ops(u32 max);
>
> +#if IS_ENABLED(CONFIG_CLK_STARFIVE_JH7110_SYS)
> +
> +int jh7110_reset_controller_register(struct jh71x0_clk_priv *priv,
> + const char *adev_name,
> + u32 adev_id);
> +
> +#endif
> +
> #endif
> --
> 2.38.1
>
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