diff options
Diffstat (limited to 'drivers/clk/meson/axg-audio.c')
| -rw-r--r-- | drivers/clk/meson/axg-audio.c | 603 |
1 files changed, 68 insertions, 535 deletions
diff --git a/drivers/clk/meson/axg-audio.c b/drivers/clk/meson/axg-audio.c index 9df627b142f8..fd7eca652261 100644 --- a/drivers/clk/meson/axg-audio.c +++ b/drivers/clk/meson/axg-audio.c @@ -4,6 +4,7 @@ * Author: Jerome Brunet <jbrunet@baylibre.com> */ +#include <linux/auxiliary_bus.h> #include <linux/clk.h> #include <linux/clk-provider.h> #include <linux/init.h> @@ -12,17 +13,70 @@ #include <linux/platform_device.h> #include <linux/regmap.h> #include <linux/reset.h> -#include <linux/reset-controller.h> #include <linux/slab.h> #include "meson-clkc-utils.h" -#include "axg-audio.h" #include "clk-regmap.h" #include "clk-phase.h" #include "sclk-div.h" #include <dt-bindings/clock/axg-audio-clkc.h> +/* Audio clock register offsets */ +#define AUDIO_CLK_GATE_EN 0x000 +#define AUDIO_MCLK_A_CTRL 0x004 +#define AUDIO_MCLK_B_CTRL 0x008 +#define AUDIO_MCLK_C_CTRL 0x00C +#define AUDIO_MCLK_D_CTRL 0x010 +#define AUDIO_MCLK_E_CTRL 0x014 +#define AUDIO_MCLK_F_CTRL 0x018 +#define AUDIO_MST_PAD_CTRL0 0x01c +#define AUDIO_MST_PAD_CTRL1 0x020 +#define AUDIO_SW_RESET 0x024 +#define AUDIO_MST_A_SCLK_CTRL0 0x040 +#define AUDIO_MST_A_SCLK_CTRL1 0x044 +#define AUDIO_MST_B_SCLK_CTRL0 0x048 +#define AUDIO_MST_B_SCLK_CTRL1 0x04C +#define AUDIO_MST_C_SCLK_CTRL0 0x050 +#define AUDIO_MST_C_SCLK_CTRL1 0x054 +#define AUDIO_MST_D_SCLK_CTRL0 0x058 +#define AUDIO_MST_D_SCLK_CTRL1 0x05C +#define AUDIO_MST_E_SCLK_CTRL0 0x060 +#define AUDIO_MST_E_SCLK_CTRL1 0x064 +#define AUDIO_MST_F_SCLK_CTRL0 0x068 +#define AUDIO_MST_F_SCLK_CTRL1 0x06C +#define AUDIO_CLK_TDMIN_A_CTRL 0x080 +#define AUDIO_CLK_TDMIN_B_CTRL 0x084 +#define AUDIO_CLK_TDMIN_C_CTRL 0x088 +#define AUDIO_CLK_TDMIN_LB_CTRL 0x08C +#define AUDIO_CLK_TDMOUT_A_CTRL 0x090 +#define AUDIO_CLK_TDMOUT_B_CTRL 0x094 +#define AUDIO_CLK_TDMOUT_C_CTRL 0x098 +#define AUDIO_CLK_SPDIFIN_CTRL 0x09C +#define AUDIO_CLK_SPDIFOUT_CTRL 0x0A0 +#define AUDIO_CLK_RESAMPLE_CTRL 0x0A4 +#define AUDIO_CLK_LOCKER_CTRL 0x0A8 +#define AUDIO_CLK_PDMIN_CTRL0 0x0AC +#define AUDIO_CLK_PDMIN_CTRL1 0x0B0 +#define AUDIO_CLK_SPDIFOUT_B_CTRL 0x0B4 + +/* SM1 introduce new register and some shifts :( */ +#define AUDIO_CLK_GATE_EN1 0x004 +#define AUDIO_SM1_MCLK_A_CTRL 0x008 +#define AUDIO_SM1_MCLK_B_CTRL 0x00C +#define AUDIO_SM1_MCLK_C_CTRL 0x010 +#define AUDIO_SM1_MCLK_D_CTRL 0x014 +#define AUDIO_SM1_MCLK_E_CTRL 0x018 +#define AUDIO_SM1_MCLK_F_CTRL 0x01C +#define AUDIO_SM1_MST_PAD_CTRL0 0x020 +#define AUDIO_SM1_MST_PAD_CTRL1 0x024 +#define AUDIO_SM1_SW_RESET0 0x028 +#define AUDIO_SM1_SW_RESET1 0x02C +#define AUDIO_CLK81_CTRL 0x030 +#define AUDIO_CLK81_EN 0x034 +#define AUDIO_EARCRX_CMDC_CLK_CTRL 0x0D0 +#define AUDIO_EARCRX_DMAC_CLK_CTRL 0x0D4 + #define AUD_GATE(_name, _reg, _bit, _pname, _iflags) { \ .data = &(struct clk_regmap_gate_data){ \ .offset = (_reg), \ @@ -1257,505 +1311,6 @@ static struct clk_hw *sm1_audio_hw_clks[] = { [AUD_CLKID_EARCRX_DMAC] = &sm1_earcrx_dmac_clk.hw, }; - -/* Convenience table to populate regmap in .probe(). */ -static struct clk_regmap *const axg_clk_regmaps[] = { - &ddr_arb, - &pdm, - &tdmin_a, - &tdmin_b, - &tdmin_c, - &tdmin_lb, - &tdmout_a, - &tdmout_b, - &tdmout_c, - &frddr_a, - &frddr_b, - &frddr_c, - &toddr_a, - &toddr_b, - &toddr_c, - &loopback, - &spdifin, - &spdifout, - &resample, - &power_detect, - &mst_a_mclk_sel, - &mst_b_mclk_sel, - &mst_c_mclk_sel, - &mst_d_mclk_sel, - &mst_e_mclk_sel, - &mst_f_mclk_sel, - &mst_a_mclk_div, - &mst_b_mclk_div, - &mst_c_mclk_div, - &mst_d_mclk_div, - &mst_e_mclk_div, - &mst_f_mclk_div, - &mst_a_mclk, - &mst_b_mclk, - &mst_c_mclk, - &mst_d_mclk, - &mst_e_mclk, - &mst_f_mclk, - &spdifout_clk_sel, - &spdifout_clk_div, - &spdifout_clk, - &spdifin_clk_sel, - &spdifin_clk_div, - &spdifin_clk, - &pdm_dclk_sel, - &pdm_dclk_div, - &pdm_dclk, - &pdm_sysclk_sel, - &pdm_sysclk_div, - &pdm_sysclk, - &mst_a_sclk_pre_en, - &mst_b_sclk_pre_en, - &mst_c_sclk_pre_en, - &mst_d_sclk_pre_en, - &mst_e_sclk_pre_en, - &mst_f_sclk_pre_en, - &mst_a_sclk_div, - &mst_b_sclk_div, - &mst_c_sclk_div, - &mst_d_sclk_div, - &mst_e_sclk_div, - &mst_f_sclk_div, - &mst_a_sclk_post_en, - &mst_b_sclk_post_en, - &mst_c_sclk_post_en, - &mst_d_sclk_post_en, - &mst_e_sclk_post_en, - &mst_f_sclk_post_en, - &mst_a_sclk, - &mst_b_sclk, - &mst_c_sclk, - &mst_d_sclk, - &mst_e_sclk, - &mst_f_sclk, - &mst_a_lrclk_div, - &mst_b_lrclk_div, - &mst_c_lrclk_div, - &mst_d_lrclk_div, - &mst_e_lrclk_div, - &mst_f_lrclk_div, - &mst_a_lrclk, - &mst_b_lrclk, - &mst_c_lrclk, - &mst_d_lrclk, - &mst_e_lrclk, - &mst_f_lrclk, - &tdmin_a_sclk_sel, - &tdmin_b_sclk_sel, - &tdmin_c_sclk_sel, - &tdmin_lb_sclk_sel, - &tdmout_a_sclk_sel, - &tdmout_b_sclk_sel, - &tdmout_c_sclk_sel, - &tdmin_a_sclk_pre_en, - &tdmin_b_sclk_pre_en, - &tdmin_c_sclk_pre_en, - &tdmin_lb_sclk_pre_en, - &tdmout_a_sclk_pre_en, - &tdmout_b_sclk_pre_en, - &tdmout_c_sclk_pre_en, - &tdmin_a_sclk_post_en, - &tdmin_b_sclk_post_en, - &tdmin_c_sclk_post_en, - &tdmin_lb_sclk_post_en, - &tdmout_a_sclk_post_en, - &tdmout_b_sclk_post_en, - &tdmout_c_sclk_post_en, - &tdmin_a_sclk, - &tdmin_b_sclk, - &tdmin_c_sclk, - &tdmin_lb_sclk, - &axg_tdmout_a_sclk, - &axg_tdmout_b_sclk, - &axg_tdmout_c_sclk, - &tdmin_a_lrclk, - &tdmin_b_lrclk, - &tdmin_c_lrclk, - &tdmin_lb_lrclk, - &tdmout_a_lrclk, - &tdmout_b_lrclk, - &tdmout_c_lrclk, -}; - -static struct clk_regmap *const g12a_clk_regmaps[] = { - &ddr_arb, - &pdm, - &tdmin_a, - &tdmin_b, - &tdmin_c, - &tdmin_lb, - &tdmout_a, - &tdmout_b, - &tdmout_c, - &frddr_a, - &frddr_b, - &frddr_c, - &toddr_a, - &toddr_b, - &toddr_c, - &loopback, - &spdifin, - &spdifout, - &resample, - &power_detect, - &spdifout_b, - &mst_a_mclk_sel, - &mst_b_mclk_sel, - &mst_c_mclk_sel, - &mst_d_mclk_sel, - &mst_e_mclk_sel, - &mst_f_mclk_sel, - &mst_a_mclk_div, - &mst_b_mclk_div, - &mst_c_mclk_div, - &mst_d_mclk_div, - &mst_e_mclk_div, - &mst_f_mclk_div, - &mst_a_mclk, - &mst_b_mclk, - &mst_c_mclk, - &mst_d_mclk, - &mst_e_mclk, - &mst_f_mclk, - &spdifout_clk_sel, - &spdifout_clk_div, - &spdifout_clk, - &spdifin_clk_sel, - &spdifin_clk_div, - &spdifin_clk, - &pdm_dclk_sel, - &pdm_dclk_div, - &pdm_dclk, - &pdm_sysclk_sel, - &pdm_sysclk_div, - &pdm_sysclk, - &mst_a_sclk_pre_en, - &mst_b_sclk_pre_en, - &mst_c_sclk_pre_en, - &mst_d_sclk_pre_en, - &mst_e_sclk_pre_en, - &mst_f_sclk_pre_en, - &mst_a_sclk_div, - &mst_b_sclk_div, - &mst_c_sclk_div, - &mst_d_sclk_div, - &mst_e_sclk_div, - &mst_f_sclk_div, - &mst_a_sclk_post_en, - &mst_b_sclk_post_en, - &mst_c_sclk_post_en, - &mst_d_sclk_post_en, - &mst_e_sclk_post_en, - &mst_f_sclk_post_en, - &mst_a_sclk, - &mst_b_sclk, - &mst_c_sclk, - &mst_d_sclk, - &mst_e_sclk, - &mst_f_sclk, - &mst_a_lrclk_div, - &mst_b_lrclk_div, - &mst_c_lrclk_div, - &mst_d_lrclk_div, - &mst_e_lrclk_div, - &mst_f_lrclk_div, - &mst_a_lrclk, - &mst_b_lrclk, - &mst_c_lrclk, - &mst_d_lrclk, - &mst_e_lrclk, - &mst_f_lrclk, - &tdmin_a_sclk_sel, - &tdmin_b_sclk_sel, - &tdmin_c_sclk_sel, - &tdmin_lb_sclk_sel, - &tdmout_a_sclk_sel, - &tdmout_b_sclk_sel, - &tdmout_c_sclk_sel, - &tdmin_a_sclk_pre_en, - &tdmin_b_sclk_pre_en, - &tdmin_c_sclk_pre_en, - &tdmin_lb_sclk_pre_en, - &tdmout_a_sclk_pre_en, - &tdmout_b_sclk_pre_en, - &tdmout_c_sclk_pre_en, - &tdmin_a_sclk_post_en, - &tdmin_b_sclk_post_en, - &tdmin_c_sclk_post_en, - &tdmin_lb_sclk_post_en, - &tdmout_a_sclk_post_en, - &tdmout_b_sclk_post_en, - &tdmout_c_sclk_post_en, - &tdmin_a_sclk, - &tdmin_b_sclk, - &tdmin_c_sclk, - &tdmin_lb_sclk, - &g12a_tdmout_a_sclk, - &g12a_tdmout_b_sclk, - &g12a_tdmout_c_sclk, - &tdmin_a_lrclk, - &tdmin_b_lrclk, - &tdmin_c_lrclk, - &tdmin_lb_lrclk, - &tdmout_a_lrclk, - &tdmout_b_lrclk, - &tdmout_c_lrclk, - &spdifout_b_clk_sel, - &spdifout_b_clk_div, - &spdifout_b_clk, - &g12a_tdm_mclk_pad_0, - &g12a_tdm_mclk_pad_1, - &g12a_tdm_lrclk_pad_0, - &g12a_tdm_lrclk_pad_1, - &g12a_tdm_lrclk_pad_2, - &g12a_tdm_sclk_pad_0, - &g12a_tdm_sclk_pad_1, - &g12a_tdm_sclk_pad_2, - &toram, - &eqdrc, -}; - -static struct clk_regmap *const sm1_clk_regmaps[] = { - &ddr_arb, - &pdm, - &tdmin_a, - &tdmin_b, - &tdmin_c, - &tdmin_lb, - &tdmout_a, - &tdmout_b, - &tdmout_c, - &frddr_a, - &frddr_b, - &frddr_c, - &toddr_a, - &toddr_b, - &toddr_c, - &loopback, - &spdifin, - &spdifout, - &resample, - &spdifout_b, - &sm1_mst_a_mclk_sel, - &sm1_mst_b_mclk_sel, - &sm1_mst_c_mclk_sel, - &sm1_mst_d_mclk_sel, - &sm1_mst_e_mclk_sel, - &sm1_mst_f_mclk_sel, - &sm1_mst_a_mclk_div, - &sm1_mst_b_mclk_div, - &sm1_mst_c_mclk_div, - &sm1_mst_d_mclk_div, - &sm1_mst_e_mclk_div, - &sm1_mst_f_mclk_div, - &sm1_mst_a_mclk, - &sm1_mst_b_mclk, - &sm1_mst_c_mclk, - &sm1_mst_d_mclk, - &sm1_mst_e_mclk, - &sm1_mst_f_mclk, - &spdifout_clk_sel, - &spdifout_clk_div, - &spdifout_clk, - &spdifin_clk_sel, - &spdifin_clk_div, - &spdifin_clk, - &pdm_dclk_sel, - &pdm_dclk_div, - &pdm_dclk, - &pdm_sysclk_sel, - &pdm_sysclk_div, - &pdm_sysclk, - &mst_a_sclk_pre_en, - &mst_b_sclk_pre_en, - &mst_c_sclk_pre_en, - &mst_d_sclk_pre_en, - &mst_e_sclk_pre_en, - &mst_f_sclk_pre_en, - &mst_a_sclk_div, - &mst_b_sclk_div, - &mst_c_sclk_div, - &mst_d_sclk_div, - &mst_e_sclk_div, - &mst_f_sclk_div, - &mst_a_sclk_post_en, - &mst_b_sclk_post_en, - &mst_c_sclk_post_en, - &mst_d_sclk_post_en, - &mst_e_sclk_post_en, - &mst_f_sclk_post_en, - &mst_a_sclk, - &mst_b_sclk, - &mst_c_sclk, - &mst_d_sclk, - &mst_e_sclk, - &mst_f_sclk, - &mst_a_lrclk_div, - &mst_b_lrclk_div, - &mst_c_lrclk_div, - &mst_d_lrclk_div, - &mst_e_lrclk_div, - &mst_f_lrclk_div, - &mst_a_lrclk, - &mst_b_lrclk, - &mst_c_lrclk, - &mst_d_lrclk, - &mst_e_lrclk, - &mst_f_lrclk, - &tdmin_a_sclk_sel, - &tdmin_b_sclk_sel, - &tdmin_c_sclk_sel, - &tdmin_lb_sclk_sel, - &tdmout_a_sclk_sel, - &tdmout_b_sclk_sel, - &tdmout_c_sclk_sel, - &tdmin_a_sclk_pre_en, - &tdmin_b_sclk_pre_en, - &tdmin_c_sclk_pre_en, - &tdmin_lb_sclk_pre_en, - &tdmout_a_sclk_pre_en, - &tdmout_b_sclk_pre_en, - &tdmout_c_sclk_pre_en, - &tdmin_a_sclk_post_en, - &tdmin_b_sclk_post_en, - &tdmin_c_sclk_post_en, - &tdmin_lb_sclk_post_en, - &tdmout_a_sclk_post_en, - &tdmout_b_sclk_post_en, - &tdmout_c_sclk_post_en, - &tdmin_a_sclk, - &tdmin_b_sclk, - &tdmin_c_sclk, - &tdmin_lb_sclk, - &g12a_tdmout_a_sclk, - &g12a_tdmout_b_sclk, - &g12a_tdmout_c_sclk, - &tdmin_a_lrclk, - &tdmin_b_lrclk, - &tdmin_c_lrclk, - &tdmin_lb_lrclk, - &tdmout_a_lrclk, - &tdmout_b_lrclk, - &tdmout_c_lrclk, - &spdifout_b_clk_sel, - &spdifout_b_clk_div, - &spdifout_b_clk, - &sm1_tdm_mclk_pad_0, - &sm1_tdm_mclk_pad_1, - &sm1_tdm_lrclk_pad_0, - &sm1_tdm_lrclk_pad_1, - &sm1_tdm_lrclk_pad_2, - &sm1_tdm_sclk_pad_0, - &sm1_tdm_sclk_pad_1, - &sm1_tdm_sclk_pad_2, - &sm1_aud_top, - &toram, - &eqdrc, - &resample_b, - &tovad, - &locker, - &spdifin_lb, - &frddr_d, - &toddr_d, - &loopback_b, - &sm1_clk81_en, - &sm1_sysclk_a_div, - &sm1_sysclk_a_en, - &sm1_sysclk_b_div, - &sm1_sysclk_b_en, - &earcrx, - &sm1_earcrx_cmdc_clk_sel, - &sm1_earcrx_cmdc_clk_div, - &sm1_earcrx_cmdc_clk, - &sm1_earcrx_dmac_clk_sel, - &sm1_earcrx_dmac_clk_div, - &sm1_earcrx_dmac_clk, -}; - -struct axg_audio_reset_data { - struct reset_controller_dev rstc; - struct regmap *map; - unsigned int offset; -}; - -static void axg_audio_reset_reg_and_bit(struct axg_audio_reset_data *rst, - unsigned long id, - unsigned int *reg, - unsigned int *bit) -{ - unsigned int stride = regmap_get_reg_stride(rst->map); - - *reg = (id / (stride * BITS_PER_BYTE)) * stride; - *reg += rst->offset; - *bit = id % (stride * BITS_PER_BYTE); -} - -static int axg_audio_reset_update(struct reset_controller_dev *rcdev, - unsigned long id, bool assert) -{ - struct axg_audio_reset_data *rst = - container_of(rcdev, struct axg_audio_reset_data, rstc); - unsigned int offset, bit; - - axg_audio_reset_reg_and_bit(rst, id, &offset, &bit); - - regmap_update_bits(rst->map, offset, BIT(bit), - assert ? BIT(bit) : 0); - - return 0; -} - -static int axg_audio_reset_status(struct reset_controller_dev *rcdev, - unsigned long id) -{ - struct axg_audio_reset_data *rst = - container_of(rcdev, struct axg_audio_reset_data, rstc); - unsigned int val, offset, bit; - - axg_audio_reset_reg_and_bit(rst, id, &offset, &bit); - - regmap_read(rst->map, offset, &val); - - return !!(val & BIT(bit)); -} - -static int axg_audio_reset_assert(struct reset_controller_dev *rcdev, - unsigned long id) -{ - return axg_audio_reset_update(rcdev, id, true); -} - -static int axg_audio_reset_deassert(struct reset_controller_dev *rcdev, - unsigned long id) -{ - return axg_audio_reset_update(rcdev, id, false); -} - -static int axg_audio_reset_toggle(struct reset_controller_dev *rcdev, - unsigned long id) -{ - int ret; - - ret = axg_audio_reset_assert(rcdev, id); - if (ret) - return ret; - - return axg_audio_reset_deassert(rcdev, id); -} - -static const struct reset_control_ops axg_audio_rstc_ops = { - .assert = axg_audio_reset_assert, - .deassert = axg_audio_reset_deassert, - .reset = axg_audio_reset_toggle, - .status = axg_audio_reset_status, -}; - static struct regmap_config axg_audio_regmap_cfg = { .reg_bits = 32, .val_bits = 32, @@ -1763,11 +1318,8 @@ static struct regmap_config axg_audio_regmap_cfg = { }; struct audioclk_data { - struct clk_regmap *const *regmap_clks; - unsigned int regmap_clk_num; struct meson_clk_hw_data hw_clks; - unsigned int reset_offset; - unsigned int reset_num; + const char *rst_drvname; unsigned int max_register; }; @@ -1775,7 +1327,7 @@ static int axg_audio_clkc_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; const struct audioclk_data *data; - struct axg_audio_reset_data *rst; + struct auxiliary_device *auxdev; struct regmap *map; void __iomem *regs; struct clk_hw *hw; @@ -1808,10 +1360,6 @@ static int axg_audio_clkc_probe(struct platform_device *pdev) return ret; } - /* Populate regmap for the regmap backed clocks */ - for (i = 0; i < data->regmap_clk_num; i++) - data->regmap_clks[i]->map = map; - /* Take care to skip the registered input clocks */ for (i = AUD_CLKID_DDR_ARB; i < data->hw_clks.num; i++) { const char *name; @@ -1834,27 +1382,18 @@ static int axg_audio_clkc_probe(struct platform_device *pdev) if (ret) return ret; - /* Stop here if there is no reset */ - if (!data->reset_num) - return 0; - - rst = devm_kzalloc(dev, sizeof(*rst), GFP_KERNEL); - if (!rst) - return -ENOMEM; - - rst->map = map; - rst->offset = data->reset_offset; - rst->rstc.nr_resets = data->reset_num; - rst->rstc.ops = &axg_audio_rstc_ops; - rst->rstc.of_node = dev->of_node; - rst->rstc.owner = THIS_MODULE; + /* Register auxiliary reset driver when applicable */ + if (data->rst_drvname) { + auxdev = __devm_auxiliary_device_create(dev, dev->driver->name, + data->rst_drvname, NULL, 0); + if (!auxdev) + return -ENODEV; + } - return devm_reset_controller_register(dev, &rst->rstc); + return 0; } static const struct audioclk_data axg_audioclk_data = { - .regmap_clks = axg_clk_regmaps, - .regmap_clk_num = ARRAY_SIZE(axg_clk_regmaps), .hw_clks = { .hws = axg_audio_hw_clks, .num = ARRAY_SIZE(axg_audio_hw_clks), @@ -1863,26 +1402,20 @@ static const struct audioclk_data axg_audioclk_data = { }; static const struct audioclk_data g12a_audioclk_data = { - .regmap_clks = g12a_clk_regmaps, - .regmap_clk_num = ARRAY_SIZE(g12a_clk_regmaps), .hw_clks = { .hws = g12a_audio_hw_clks, .num = ARRAY_SIZE(g12a_audio_hw_clks), }, - .reset_offset = AUDIO_SW_RESET, - .reset_num = 26, + .rst_drvname = "rst-g12a", .max_register = AUDIO_CLK_SPDIFOUT_B_CTRL, }; static const struct audioclk_data sm1_audioclk_data = { - .regmap_clks = sm1_clk_regmaps, - .regmap_clk_num = ARRAY_SIZE(sm1_clk_regmaps), .hw_clks = { .hws = sm1_audio_hw_clks, .num = ARRAY_SIZE(sm1_audio_hw_clks), }, - .reset_offset = AUDIO_SM1_SW_RESET0, - .reset_num = 39, + .rst_drvname = "rst-sm1", .max_register = AUDIO_EARCRX_DMAC_CLK_CTRL, }; |