diff options
Diffstat (limited to 'drivers/clk')
| -rw-r--r-- | drivers/clk/aspeed/clk_ast2600.c | 2 | ||||
| -rw-r--r-- | drivers/clk/at91/compat.c | 14 | ||||
| -rw-r--r-- | drivers/clk/clk-gpio.c | 38 | ||||
| -rw-r--r-- | drivers/clk/clk-uclass.c | 47 | ||||
| -rw-r--r-- | drivers/clk/clk-xlnx-clock-wizard.c | 1 | ||||
| -rw-r--r-- | drivers/clk/clk_sandbox.c | 12 | ||||
| -rw-r--r-- | drivers/clk/clk_sandbox_test.c | 12 | ||||
| -rw-r--r-- | drivers/clk/clk_versaclock.c | 12 | ||||
| -rw-r--r-- | drivers/clk/clk_zynq.c | 2 | ||||
| -rw-r--r-- | drivers/clk/clk_zynqmp.c | 2 | ||||
| -rw-r--r-- | drivers/clk/imx/clk-imx8.c | 2 | ||||
| -rw-r--r-- | drivers/clk/meson/Kconfig | 10 | ||||
| -rw-r--r-- | drivers/clk/meson/Makefile | 1 | ||||
| -rw-r--r-- | drivers/clk/meson/clk-measure.c | 634 | ||||
| -rw-r--r-- | drivers/clk/mvebu/armada-37xx-periph.c | 2 |
15 files changed, 684 insertions, 107 deletions
diff --git a/drivers/clk/aspeed/clk_ast2600.c b/drivers/clk/aspeed/clk_ast2600.c index eecfacd..a159093 100644 --- a/drivers/clk/aspeed/clk_ast2600.c +++ b/drivers/clk/aspeed/clk_ast2600.c @@ -1143,8 +1143,6 @@ static void ast2600_clk_dump(struct udevice *dev) ret = clk_get_rate(&clk); rate = ret; - clk_free(&clk); - if (ret == -EINVAL) { printf("clk ID %lu not supported yet\n", aspeed_clk_names[i].id); diff --git a/drivers/clk/at91/compat.c b/drivers/clk/at91/compat.c index 2fdc2fb..ee67093 100644 --- a/drivers/clk/at91/compat.c +++ b/drivers/clk/at91/compat.c @@ -516,7 +516,6 @@ static ulong periph_get_rate(struct clk *clk) { struct udevice *dev; struct clk clk_dev; - ulong clk_rate; int ret; dev = dev_get_parent(clk->dev); @@ -525,11 +524,7 @@ static ulong periph_get_rate(struct clk *clk) if (ret) return ret; - clk_rate = clk_get_rate(&clk_dev); - - clk_free(&clk_dev); - - return clk_rate; + return clk_get_rate(&clk_dev); } static struct clk_ops periph_clk_ops = { @@ -762,7 +757,6 @@ static ulong generic_clk_get_rate(struct clk *clk) struct pmc_plat *plat = dev_get_plat(clk->dev); struct at91_pmc *pmc = plat->reg_base; struct clk parent; - ulong clk_rate; u32 tmp, gckdiv; u8 clock_source, parent_index; int ret; @@ -778,11 +772,7 @@ static ulong generic_clk_get_rate(struct clk *clk) if (ret) return 0; - clk_rate = clk_get_rate(&parent) / (gckdiv + 1); - - clk_free(&parent); - - return clk_rate; + return clk_get_rate(&parent) / (gckdiv + 1); } static ulong generic_clk_set_rate(struct clk *clk, ulong rate) diff --git a/drivers/clk/clk-gpio.c b/drivers/clk/clk-gpio.c index 26d795b..4ed1430 100644 --- a/drivers/clk/clk-gpio.c +++ b/drivers/clk/clk-gpio.c @@ -3,19 +3,23 @@ * Copyright (C) 2023 Marek Vasut <marek.vasut+renesas@mailbox.org> */ -#include <asm/gpio.h> -#include <common.h> +#include <clk.h> #include <clk-uclass.h> #include <dm.h> +#include <linux/clk-provider.h> + +#include <asm/gpio.h> struct clk_gpio_priv { - struct gpio_desc enable; + struct gpio_desc enable; /* GPIO, controlling the gate */ + struct clk *clk; /* Gated clock */ }; static int clk_gpio_enable(struct clk *clk) { struct clk_gpio_priv *priv = dev_get_priv(clk->dev); + clk_enable(priv->clk); dm_gpio_set_value(&priv->enable, 1); return 0; @@ -26,21 +30,45 @@ static int clk_gpio_disable(struct clk *clk) struct clk_gpio_priv *priv = dev_get_priv(clk->dev); dm_gpio_set_value(&priv->enable, 0); + clk_disable(priv->clk); return 0; } +static ulong clk_gpio_get_rate(struct clk *clk) +{ + struct clk_gpio_priv *priv = dev_get_priv(clk->dev); + + return clk_get_rate(priv->clk); +} + const struct clk_ops clk_gpio_ops = { .enable = clk_gpio_enable, .disable = clk_gpio_disable, + .get_rate = clk_gpio_get_rate, }; static int clk_gpio_probe(struct udevice *dev) { struct clk_gpio_priv *priv = dev_get_priv(dev); + int ret; + + priv->clk = devm_clk_get(dev, NULL); + if (IS_ERR(priv->clk)) { + log_debug("%s: Could not get gated clock: %ld\n", + __func__, PTR_ERR(priv->clk)); + return PTR_ERR(priv->clk); + } - return gpio_request_by_name(dev, "enable-gpios", 0, - &priv->enable, GPIOD_IS_OUT); + ret = gpio_request_by_name(dev, "enable-gpios", 0, + &priv->enable, GPIOD_IS_OUT); + if (ret) { + log_debug("%s: Could not decode enable-gpios (%d)\n", + __func__, ret); + return ret; + } + + return 0; } /* diff --git a/drivers/clk/clk-uclass.c b/drivers/clk/clk-uclass.c index 3e9d68f..ed6e60b 100644 --- a/drivers/clk/clk-uclass.c +++ b/drivers/clk/clk-uclass.c @@ -437,8 +437,6 @@ int clk_release_all(struct clk *clk, unsigned int count) ret = clk_disable(&clk[i]); if (ret && ret != -ENOSYS) return ret; - - clk_free(&clk[i]); } return 0; @@ -461,24 +459,9 @@ int clk_request(struct udevice *dev, struct clk *clk) return ops->request(clk); } -void clk_free(struct clk *clk) -{ - const struct clk_ops *ops; - - debug("%s(clk=%p)\n", __func__, clk); - if (!clk_valid(clk)) - return; - ops = clk_dev_ops(clk->dev); - - if (ops->rfree) - ops->rfree(clk); - return; -} - ulong clk_get_rate(struct clk *clk) { const struct clk_ops *ops; - ulong ret; debug("%s(clk=%p)\n", __func__, clk); if (!clk_valid(clk)) @@ -488,11 +471,7 @@ ulong clk_get_rate(struct clk *clk) if (!ops->get_rate) return -ENOSYS; - ret = ops->get_rate(clk); - if (ret) - return log_ret(ret); - - return 0; + return ops->get_rate(clk); } struct clk *clk_get_parent(struct clk *clk) @@ -791,22 +770,12 @@ bool clk_is_match(const struct clk *p, const struct clk *q) return false; } -static void devm_clk_release(struct udevice *dev, void *res) -{ - clk_free(res); -} - -static int devm_clk_match(struct udevice *dev, void *res, void *data) -{ - return res == data; -} - struct clk *devm_clk_get(struct udevice *dev, const char *id) { int rc; struct clk *clk; - clk = devres_alloc(devm_clk_release, sizeof(struct clk), __GFP_ZERO); + clk = devm_kzalloc(dev, sizeof(*clk), GFP_KERNEL); if (unlikely(!clk)) return ERR_PTR(-ENOMEM); @@ -814,21 +783,9 @@ struct clk *devm_clk_get(struct udevice *dev, const char *id) if (rc) return ERR_PTR(rc); - devres_add(dev, clk); return clk; } -void devm_clk_put(struct udevice *dev, struct clk *clk) -{ - int rc; - - if (!clk) - return; - - rc = devres_release(dev, devm_clk_release, devm_clk_match, clk); - WARN_ON(rc); -} - int clk_uclass_post_probe(struct udevice *dev) { /* diff --git a/drivers/clk/clk-xlnx-clock-wizard.c b/drivers/clk/clk-xlnx-clock-wizard.c index 70ee3af..a10a843 100644 --- a/drivers/clk/clk-xlnx-clock-wizard.c +++ b/drivers/clk/clk-xlnx-clock-wizard.c @@ -137,7 +137,6 @@ static int clk_wzrd_probe(struct udevice *dev) ret = clk_enable(&clk_in1); if (ret) { dev_err(dev, "failed to enable clock\n"); - clk_free(&clk_in1); return ret; } diff --git a/drivers/clk/clk_sandbox.c b/drivers/clk/clk_sandbox.c index 636914d..73d943f 100644 --- a/drivers/clk/clk_sandbox.c +++ b/drivers/clk/clk_sandbox.c @@ -101,17 +101,6 @@ static int sandbox_clk_request(struct clk *clk) return 0; } -static void sandbox_clk_free(struct clk *clk) -{ - struct sandbox_clk_priv *priv = dev_get_priv(clk->dev); - - if (clk->id >= SANDBOX_CLK_ID_COUNT) - return; - - priv->requested[clk->id] = false; - return; -} - static struct clk_ops sandbox_clk_ops = { .round_rate = sandbox_clk_round_rate, .get_rate = sandbox_clk_get_rate, @@ -119,7 +108,6 @@ static struct clk_ops sandbox_clk_ops = { .enable = sandbox_clk_enable, .disable = sandbox_clk_disable, .request = sandbox_clk_request, - .rfree = sandbox_clk_free, }; static int sandbox_clk_probe(struct udevice *dev) diff --git a/drivers/clk/clk_sandbox_test.c b/drivers/clk/clk_sandbox_test.c index c695b69..c224dc1 100644 --- a/drivers/clk/clk_sandbox_test.c +++ b/drivers/clk/clk_sandbox_test.c @@ -135,18 +135,6 @@ int sandbox_clk_test_disable_bulk(struct udevice *dev) return clk_disable_bulk(&sbct->bulk); } -int sandbox_clk_test_free(struct udevice *dev) -{ - struct sandbox_clk_test *sbct = dev_get_priv(dev); - int i; - - devm_clk_put(dev, sbct->clkps[SANDBOX_CLK_TEST_ID_DEVM1]); - for (i = 0; i < SANDBOX_CLK_TEST_NON_DEVM_COUNT; i++) - clk_free(&sbct->clks[i]); - - return 0; -} - int sandbox_clk_test_release_bulk(struct udevice *dev) { struct sandbox_clk_test *sbct = dev_get_priv(dev); diff --git a/drivers/clk/clk_versaclock.c b/drivers/clk/clk_versaclock.c index 699df3c..bbe7225 100644 --- a/drivers/clk/clk_versaclock.c +++ b/drivers/clk/clk_versaclock.c @@ -1000,26 +1000,18 @@ int versaclock_probe(struct udevice *dev) return 0; free_out: - for (n = 1; n < vc5->chip_info->clk_out_cnt; n++) { - clk_free(&vc5->clk_out[n].hw); + for (n = 1; n < vc5->chip_info->clk_out_cnt; n++) free(out_name[n]); - } free_selb: - clk_free(&vc5->clk_out[0].hw); free(outsel_name); free_fod: - for (n = 0; n < vc5->chip_info->clk_fod_cnt; n++) { - clk_free(&vc5->clk_fod[n].hw); + for (n = 0; n < vc5->chip_info->clk_fod_cnt; n++) free(fod_name[n]); - } free_pll: - clk_free(&vc5->clk_pll.hw); free(pll_name); free_pfd: - clk_free(&vc5->clk_pfd); free(pfd_name); free_mux: - clk_free(&vc5->clk_mux); free(mux_name); return ret; diff --git a/drivers/clk/clk_zynq.c b/drivers/clk/clk_zynq.c index 34f964d..e3cefe2 100644 --- a/drivers/clk/clk_zynq.c +++ b/drivers/clk/clk_zynq.c @@ -491,8 +491,6 @@ static void zynq_clk_dump(struct udevice *dev) rate = clk_get_rate(&clk); - clk_free(&clk); - if ((rate == (unsigned long)-ENOSYS) || (rate == (unsigned long)-ENXIO)) printf("%10s%20s\n", name, "unknown"); diff --git a/drivers/clk/clk_zynqmp.c b/drivers/clk/clk_zynqmp.c index 0ffac19..e23f7da 100644 --- a/drivers/clk/clk_zynqmp.c +++ b/drivers/clk/clk_zynqmp.c @@ -757,8 +757,6 @@ static void zynqmp_clk_dump(struct udevice *dev) rate = clk_get_rate(&clk); - clk_free(&clk); - if ((rate == (unsigned long)-ENOSYS) || (rate == (unsigned long)-ENXIO) || (rate == (unsigned long)-EIO)) diff --git a/drivers/clk/imx/clk-imx8.c b/drivers/clk/imx/clk-imx8.c index 9600672..d39b87b 100644 --- a/drivers/clk/imx/clk-imx8.c +++ b/drivers/clk/imx/clk-imx8.c @@ -62,8 +62,6 @@ static void imx8_clk_dump(struct udevice *dev) ret = clk_get_rate(&clk); rate = ret; - clk_free(&clk); - if (ret == -EINVAL) { printf("clk ID %lu not supported yet\n", imx8_clk_names[i].id); diff --git a/drivers/clk/meson/Kconfig b/drivers/clk/meson/Kconfig index cdc9d6f..ee33c61 100644 --- a/drivers/clk/meson/Kconfig +++ b/drivers/clk/meson/Kconfig @@ -29,3 +29,13 @@ config CLK_MESON_A1 help Enable clock support for the Amlogic A1 SoC family, such as the A113L + +config CLK_MESON_MSR + bool "Enable clock measure driver for Amlogic SoCs" + depends on CLK && ARCH_MESON + depends on CMD_CLK + default ARCH_MESON + help + Enable measuring a set of internal Amlogic SoC clock frequencies + using the Hardware Clock Measure registers and print them using + the clk dump command. diff --git a/drivers/clk/meson/Makefile b/drivers/clk/meson/Makefile index d975f07..c7a446e 100644 --- a/drivers/clk/meson/Makefile +++ b/drivers/clk/meson/Makefile @@ -9,3 +9,4 @@ obj-$(CONFIG_CLK_MESON_AXG) += axg-ao.o obj-$(CONFIG_CLK_MESON_G12A) += g12a.o obj-$(CONFIG_CLK_MESON_G12A) += g12a-ao.o obj-$(CONFIG_CLK_MESON_A1) += a1.o +obj-$(CONFIG_CLK_MESON_MSR) += clk-measure.o diff --git a/drivers/clk/meson/clk-measure.c b/drivers/clk/meson/clk-measure.c new file mode 100644 index 0000000..f653fc6 --- /dev/null +++ b/drivers/clk/meson/clk-measure.c @@ -0,0 +1,634 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Based on Linux driver from: + * (C) Copyright 2018 - BayLibre, SAS + * Author: Neil Armstrong <narmstrong@baylibre.com> + * (C) Copyright 2023 - Neil Armstrong <neil.armstrong@linaro.org> + */ + +#include <log.h> +#include <clk-uclass.h> +#include <div64.h> +#include <dm.h> +#include <time.h> +#include <regmap.h> +#include <syscon.h> +#include <linux/bitops.h> +#include <linux/bitfield.h> +#include <linux/delay.h> +#include <linux/err.h> +#include <linux/kernel.h> + +#define MSR_CLK_DUTY 0x0 +#define MSR_CLK_REG0 0x4 +#define MSR_CLK_REG1 0x8 +#define MSR_CLK_REG2 0xc + +#define MSR_DURATION GENMASK(15, 0) +#define MSR_ENABLE BIT(16) +#define MSR_CONT BIT(17) /* continuous measurement */ +#define MSR_INTR BIT(18) /* interrupts */ +#define MSR_RUN BIT(19) +#define MSR_CLK_SRC GENMASK(26, 20) +#define MSR_BUSY BIT(31) + +#define MSR_VAL_MASK GENMASK(15, 0) + +#define DIV_MIN 32 +#define DIV_STEP 32 +#define DIV_MAX 640 + +#define CLK_MSR_MAX 128 + +struct meson_msr_id { + unsigned int id; + const char *name; +}; + +struct meson_msr { + struct regmap *regmap; + struct meson_msr_id *msr_table; +}; + +#define CLK_MSR_ID(__id, __name) \ + [__id] = {.id = __id, .name = __name,} + +static struct meson_msr_id clk_msr_m8[CLK_MSR_MAX] = { + CLK_MSR_ID(0, "ring_osc_out_ee0"), + CLK_MSR_ID(1, "ring_osc_out_ee1"), + CLK_MSR_ID(2, "ring_osc_out_ee2"), + CLK_MSR_ID(3, "a9_ring_osck"), + CLK_MSR_ID(6, "vid_pll"), + CLK_MSR_ID(7, "clk81"), + CLK_MSR_ID(8, "encp"), + CLK_MSR_ID(9, "encl"), + CLK_MSR_ID(11, "eth_rmii"), + CLK_MSR_ID(13, "amclk"), + CLK_MSR_ID(14, "fec_clk_0"), + CLK_MSR_ID(15, "fec_clk_1"), + CLK_MSR_ID(16, "fec_clk_2"), + CLK_MSR_ID(18, "a9_clk_div16"), + CLK_MSR_ID(19, "hdmi_sys"), + CLK_MSR_ID(20, "rtc_osc_clk_out"), + CLK_MSR_ID(21, "i2s_clk_in_src0"), + CLK_MSR_ID(22, "clk_rmii_from_pad"), + CLK_MSR_ID(23, "hdmi_ch0_tmds"), + CLK_MSR_ID(24, "lvds_fifo"), + CLK_MSR_ID(26, "sc_clk_int"), + CLK_MSR_ID(28, "sar_adc"), + CLK_MSR_ID(30, "mpll_clk_test_out"), + CLK_MSR_ID(31, "audac_clkpi"), + CLK_MSR_ID(32, "vdac"), + CLK_MSR_ID(33, "sdhc_rx"), + CLK_MSR_ID(34, "sdhc_sd"), + CLK_MSR_ID(35, "mali"), + CLK_MSR_ID(36, "hdmi_tx_pixel"), + CLK_MSR_ID(38, "vdin_meas"), + CLK_MSR_ID(39, "pcm_sclk"), + CLK_MSR_ID(40, "pcm_mclk"), + CLK_MSR_ID(41, "eth_rx_tx"), + CLK_MSR_ID(42, "pwm_d"), + CLK_MSR_ID(43, "pwm_c"), + CLK_MSR_ID(44, "pwm_b"), + CLK_MSR_ID(45, "pwm_a"), + CLK_MSR_ID(46, "pcm2_sclk"), + CLK_MSR_ID(47, "ddr_dpll_pt"), + CLK_MSR_ID(48, "pwm_f"), + CLK_MSR_ID(49, "pwm_e"), + CLK_MSR_ID(59, "hcodec"), + CLK_MSR_ID(60, "usb_32k_alt"), + CLK_MSR_ID(61, "gpio"), + CLK_MSR_ID(62, "vid2_pll"), + CLK_MSR_ID(63, "mipi_csi_cfg"), +}; + +static struct meson_msr_id clk_msr_gx[CLK_MSR_MAX] = { + CLK_MSR_ID(0, "ring_osc_out_ee_0"), + CLK_MSR_ID(1, "ring_osc_out_ee_1"), + CLK_MSR_ID(2, "ring_osc_out_ee_2"), + CLK_MSR_ID(3, "a53_ring_osc"), + CLK_MSR_ID(4, "gp0_pll"), + CLK_MSR_ID(6, "enci"), + CLK_MSR_ID(7, "clk81"), + CLK_MSR_ID(8, "encp"), + CLK_MSR_ID(9, "encl"), + CLK_MSR_ID(10, "vdac"), + CLK_MSR_ID(11, "rgmii_tx"), + CLK_MSR_ID(12, "pdm"), + CLK_MSR_ID(13, "amclk"), + CLK_MSR_ID(14, "fec_0"), + CLK_MSR_ID(15, "fec_1"), + CLK_MSR_ID(16, "fec_2"), + CLK_MSR_ID(17, "sys_pll_div16"), + CLK_MSR_ID(18, "sys_cpu_div16"), + CLK_MSR_ID(19, "hdmitx_sys"), + CLK_MSR_ID(20, "rtc_osc_out"), + CLK_MSR_ID(21, "i2s_in_src0"), + CLK_MSR_ID(22, "eth_phy_ref"), + CLK_MSR_ID(23, "hdmi_todig"), + CLK_MSR_ID(26, "sc_int"), + CLK_MSR_ID(28, "sar_adc"), + CLK_MSR_ID(31, "mpll_test_out"), + CLK_MSR_ID(32, "vdec"), + CLK_MSR_ID(35, "mali"), + CLK_MSR_ID(36, "hdmi_tx_pixel"), + CLK_MSR_ID(37, "i958"), + CLK_MSR_ID(38, "vdin_meas"), + CLK_MSR_ID(39, "pcm_sclk"), + CLK_MSR_ID(40, "pcm_mclk"), + CLK_MSR_ID(41, "eth_rx_or_rmii"), + CLK_MSR_ID(42, "mp0_out"), + CLK_MSR_ID(43, "fclk_div5"), + CLK_MSR_ID(44, "pwm_b"), + CLK_MSR_ID(45, "pwm_a"), + CLK_MSR_ID(46, "vpu"), + CLK_MSR_ID(47, "ddr_dpll_pt"), + CLK_MSR_ID(48, "mp1_out"), + CLK_MSR_ID(49, "mp2_out"), + CLK_MSR_ID(50, "mp3_out"), + CLK_MSR_ID(51, "nand_core"), + CLK_MSR_ID(52, "sd_emmc_b"), + CLK_MSR_ID(53, "sd_emmc_a"), + CLK_MSR_ID(55, "vid_pll_div_out"), + CLK_MSR_ID(56, "cci"), + CLK_MSR_ID(57, "wave420l_c"), + CLK_MSR_ID(58, "wave420l_b"), + CLK_MSR_ID(59, "hcodec"), + CLK_MSR_ID(60, "alt_32k"), + CLK_MSR_ID(61, "gpio_msr"), + CLK_MSR_ID(62, "hevc"), + CLK_MSR_ID(66, "vid_lock"), + CLK_MSR_ID(70, "pwm_f"), + CLK_MSR_ID(71, "pwm_e"), + CLK_MSR_ID(72, "pwm_d"), + CLK_MSR_ID(73, "pwm_c"), + CLK_MSR_ID(75, "aoclkx2_int"), + CLK_MSR_ID(76, "aoclk_int"), + CLK_MSR_ID(77, "rng_ring_osc_0"), + CLK_MSR_ID(78, "rng_ring_osc_1"), + CLK_MSR_ID(79, "rng_ring_osc_2"), + CLK_MSR_ID(80, "rng_ring_osc_3"), + CLK_MSR_ID(81, "vapb"), + CLK_MSR_ID(82, "ge2d"), +}; + +static struct meson_msr_id clk_msr_axg[CLK_MSR_MAX] = { + CLK_MSR_ID(0, "ring_osc_out_ee_0"), + CLK_MSR_ID(1, "ring_osc_out_ee_1"), + CLK_MSR_ID(2, "ring_osc_out_ee_2"), + CLK_MSR_ID(3, "a53_ring_osc"), + CLK_MSR_ID(4, "gp0_pll"), + CLK_MSR_ID(5, "gp1_pll"), + CLK_MSR_ID(7, "clk81"), + CLK_MSR_ID(9, "encl"), + CLK_MSR_ID(17, "sys_pll_div16"), + CLK_MSR_ID(18, "sys_cpu_div16"), + CLK_MSR_ID(20, "rtc_osc_out"), + CLK_MSR_ID(23, "mmc_clk"), + CLK_MSR_ID(28, "sar_adc"), + CLK_MSR_ID(31, "mpll_test_out"), + CLK_MSR_ID(40, "mod_eth_tx_clk"), + CLK_MSR_ID(41, "mod_eth_rx_clk_rmii"), + CLK_MSR_ID(42, "mp0_out"), + CLK_MSR_ID(43, "fclk_div5"), + CLK_MSR_ID(44, "pwm_b"), + CLK_MSR_ID(45, "pwm_a"), + CLK_MSR_ID(46, "vpu"), + CLK_MSR_ID(47, "ddr_dpll_pt"), + CLK_MSR_ID(48, "mp1_out"), + CLK_MSR_ID(49, "mp2_out"), + CLK_MSR_ID(50, "mp3_out"), + CLK_MSR_ID(51, "sd_emmm_c"), + CLK_MSR_ID(52, "sd_emmc_b"), + CLK_MSR_ID(61, "gpio_msr"), + CLK_MSR_ID(66, "audio_slv_lrclk_c"), + CLK_MSR_ID(67, "audio_slv_lrclk_b"), + CLK_MSR_ID(68, "audio_slv_lrclk_a"), + CLK_MSR_ID(69, "audio_slv_sclk_c"), + CLK_MSR_ID(70, "audio_slv_sclk_b"), + CLK_MSR_ID(71, "audio_slv_sclk_a"), + CLK_MSR_ID(72, "pwm_d"), + CLK_MSR_ID(73, "pwm_c"), + CLK_MSR_ID(74, "wifi_beacon"), + CLK_MSR_ID(75, "tdmin_lb_lrcl"), + CLK_MSR_ID(76, "tdmin_lb_sclk"), + CLK_MSR_ID(77, "rng_ring_osc_0"), + CLK_MSR_ID(78, "rng_ring_osc_1"), + CLK_MSR_ID(79, "rng_ring_osc_2"), + CLK_MSR_ID(80, "rng_ring_osc_3"), + CLK_MSR_ID(81, "vapb"), + CLK_MSR_ID(82, "ge2d"), + CLK_MSR_ID(84, "audio_resample"), + CLK_MSR_ID(85, "audio_pdm_sys"), + CLK_MSR_ID(86, "audio_spdifout"), + CLK_MSR_ID(87, "audio_spdifin"), + CLK_MSR_ID(88, "audio_lrclk_f"), + CLK_MSR_ID(89, "audio_lrclk_e"), + CLK_MSR_ID(90, "audio_lrclk_d"), + CLK_MSR_ID(91, "audio_lrclk_c"), + CLK_MSR_ID(92, "audio_lrclk_b"), + CLK_MSR_ID(93, "audio_lrclk_a"), + CLK_MSR_ID(94, "audio_sclk_f"), + CLK_MSR_ID(95, "audio_sclk_e"), + CLK_MSR_ID(96, "audio_sclk_d"), + CLK_MSR_ID(97, "audio_sclk_c"), + CLK_MSR_ID(98, "audio_sclk_b"), + CLK_MSR_ID(99, "audio_sclk_a"), + CLK_MSR_ID(100, "audio_mclk_f"), + CLK_MSR_ID(101, "audio_mclk_e"), + CLK_MSR_ID(102, "audio_mclk_d"), + CLK_MSR_ID(103, "audio_mclk_c"), + CLK_MSR_ID(104, "audio_mclk_b"), + CLK_MSR_ID(105, "audio_mclk_a"), + CLK_MSR_ID(106, "pcie_refclk_n"), + CLK_MSR_ID(107, "pcie_refclk_p"), + CLK_MSR_ID(108, "audio_locker_out"), + CLK_MSR_ID(109, "audio_locker_in"), +}; + +static struct meson_msr_id clk_msr_g12a[CLK_MSR_MAX] = { + CLK_MSR_ID(0, "ring_osc_out_ee_0"), + CLK_MSR_ID(1, "ring_osc_out_ee_1"), + CLK_MSR_ID(2, "ring_osc_out_ee_2"), + CLK_MSR_ID(3, "sys_cpu_ring_osc"), + CLK_MSR_ID(4, "gp0_pll"), + CLK_MSR_ID(6, "enci"), + CLK_MSR_ID(7, "clk81"), + CLK_MSR_ID(8, "encp"), + CLK_MSR_ID(9, "encl"), + CLK_MSR_ID(10, "vdac"), + CLK_MSR_ID(11, "eth_tx"), + CLK_MSR_ID(12, "hifi_pll"), + CLK_MSR_ID(13, "mod_tcon"), + CLK_MSR_ID(14, "fec_0"), + CLK_MSR_ID(15, "fec_1"), + CLK_MSR_ID(16, "fec_2"), + CLK_MSR_ID(17, "sys_pll_div16"), + CLK_MSR_ID(18, "sys_cpu_div16"), + CLK_MSR_ID(19, "lcd_an_ph2"), + CLK_MSR_ID(20, "rtc_osc_out"), + CLK_MSR_ID(21, "lcd_an_ph3"), + CLK_MSR_ID(22, "eth_phy_ref"), + CLK_MSR_ID(23, "mpll_50m"), + CLK_MSR_ID(24, "eth_125m"), + CLK_MSR_ID(25, "eth_rmii"), + CLK_MSR_ID(26, "sc_int"), + CLK_MSR_ID(27, "in_mac"), + CLK_MSR_ID(28, "sar_adc"), + CLK_MSR_ID(29, "pcie_inp"), + CLK_MSR_ID(30, "pcie_inn"), + CLK_MSR_ID(31, "mpll_test_out"), + CLK_MSR_ID(32, "vdec"), + CLK_MSR_ID(33, "sys_cpu_ring_osc_1"), + CLK_MSR_ID(34, "eth_mpll_50m"), + CLK_MSR_ID(35, "mali"), + CLK_MSR_ID(36, "hdmi_tx_pixel"), + CLK_MSR_ID(37, "cdac"), + CLK_MSR_ID(38, "vdin_meas"), + CLK_MSR_ID(39, "bt656"), + CLK_MSR_ID(41, "eth_rx_or_rmii"), + CLK_MSR_ID(42, "mp0_out"), + CLK_MSR_ID(43, "fclk_div5"), + CLK_MSR_ID(44, "pwm_b"), + CLK_MSR_ID(45, "pwm_a"), + CLK_MSR_ID(46, "vpu"), + CLK_MSR_ID(47, "ddr_dpll_pt"), + CLK_MSR_ID(48, "mp1_out"), + CLK_MSR_ID(49, "mp2_out"), + CLK_MSR_ID(50, "mp3_out"), + CLK_MSR_ID(51, "sd_emmc_c"), + CLK_MSR_ID(52, "sd_emmc_b"), + CLK_MSR_ID(53, "sd_emmc_a"), + CLK_MSR_ID(54, "vpu_clkc"), + CLK_MSR_ID(55, "vid_pll_div_out"), + CLK_MSR_ID(56, "wave420l_a"), + CLK_MSR_ID(57, "wave420l_c"), + CLK_MSR_ID(58, "wave420l_b"), + CLK_MSR_ID(59, "hcodec"), + CLK_MSR_ID(61, "gpio_msr"), + CLK_MSR_ID(62, "hevcb"), + CLK_MSR_ID(63, "dsi_meas"), + CLK_MSR_ID(64, "spicc_1"), + CLK_MSR_ID(65, "spicc_0"), + CLK_MSR_ID(66, "vid_lock"), + CLK_MSR_ID(67, "dsi_phy"), + CLK_MSR_ID(68, "hdcp22_esm"), + CLK_MSR_ID(69, "hdcp22_skp"), + CLK_MSR_ID(70, "pwm_f"), + CLK_MSR_ID(71, "pwm_e"), + CLK_MSR_ID(72, "pwm_d"), + CLK_MSR_ID(73, "pwm_c"), + CLK_MSR_ID(75, "hevcf"), + CLK_MSR_ID(77, "rng_ring_osc_0"), + CLK_MSR_ID(78, "rng_ring_osc_1"), + CLK_MSR_ID(79, "rng_ring_osc_2"), + CLK_MSR_ID(80, "rng_ring_osc_3"), + CLK_MSR_ID(81, "vapb"), + CLK_MSR_ID(82, "ge2d"), + CLK_MSR_ID(83, "co_rx"), + CLK_MSR_ID(84, "co_tx"), + CLK_MSR_ID(89, "hdmi_todig"), + CLK_MSR_ID(90, "hdmitx_sys"), + CLK_MSR_ID(91, "sys_cpub_div16"), + CLK_MSR_ID(92, "sys_pll_cpub_div16"), + CLK_MSR_ID(94, "eth_phy_rx"), + CLK_MSR_ID(95, "eth_phy_pll"), + CLK_MSR_ID(96, "vpu_b"), + CLK_MSR_ID(97, "cpu_b_tmp"), + CLK_MSR_ID(98, "ts"), + CLK_MSR_ID(99, "ring_osc_out_ee_3"), + CLK_MSR_ID(100, "ring_osc_out_ee_4"), + CLK_MSR_ID(101, "ring_osc_out_ee_5"), + CLK_MSR_ID(102, "ring_osc_out_ee_6"), + CLK_MSR_ID(103, "ring_osc_out_ee_7"), + CLK_MSR_ID(104, "ring_osc_out_ee_8"), + CLK_MSR_ID(105, "ring_osc_out_ee_9"), + CLK_MSR_ID(106, "ephy_test"), + CLK_MSR_ID(107, "au_dac_g128x"), + CLK_MSR_ID(108, "audio_locker_out"), + CLK_MSR_ID(109, "audio_locker_in"), + CLK_MSR_ID(110, "audio_tdmout_c_sclk"), + CLK_MSR_ID(111, "audio_tdmout_b_sclk"), + CLK_MSR_ID(112, "audio_tdmout_a_sclk"), + CLK_MSR_ID(113, "audio_tdmin_lb_sclk"), + CLK_MSR_ID(114, "audio_tdmin_c_sclk"), + CLK_MSR_ID(115, "audio_tdmin_b_sclk"), + CLK_MSR_ID(116, "audio_tdmin_a_sclk"), + CLK_MSR_ID(117, "audio_resample"), + CLK_MSR_ID(118, "audio_pdm_sys"), + CLK_MSR_ID(119, "audio_spdifout_b"), + CLK_MSR_ID(120, "audio_spdifout"), + CLK_MSR_ID(121, "audio_spdifin"), + CLK_MSR_ID(122, "audio_pdm_dclk"), +}; + +static struct meson_msr_id clk_msr_sm1[CLK_MSR_MAX] = { + CLK_MSR_ID(0, "ring_osc_out_ee_0"), + CLK_MSR_ID(1, "ring_osc_out_ee_1"), + CLK_MSR_ID(2, "ring_osc_out_ee_2"), + CLK_MSR_ID(3, "ring_osc_out_ee_3"), + CLK_MSR_ID(4, "gp0_pll"), + CLK_MSR_ID(5, "gp1_pll"), + CLK_MSR_ID(6, "enci"), + CLK_MSR_ID(7, "clk81"), + CLK_MSR_ID(8, "encp"), + CLK_MSR_ID(9, "encl"), + CLK_MSR_ID(10, "vdac"), + CLK_MSR_ID(11, "eth_tx"), + CLK_MSR_ID(12, "hifi_pll"), + CLK_MSR_ID(13, "mod_tcon"), + CLK_MSR_ID(14, "fec_0"), + CLK_MSR_ID(15, "fec_1"), + CLK_MSR_ID(16, "fec_2"), + CLK_MSR_ID(17, "sys_pll_div16"), + CLK_MSR_ID(18, "sys_cpu_div16"), + CLK_MSR_ID(19, "lcd_an_ph2"), + CLK_MSR_ID(20, "rtc_osc_out"), + CLK_MSR_ID(21, "lcd_an_ph3"), + CLK_MSR_ID(22, "eth_phy_ref"), + CLK_MSR_ID(23, "mpll_50m"), + CLK_MSR_ID(24, "eth_125m"), + CLK_MSR_ID(25, "eth_rmii"), + CLK_MSR_ID(26, "sc_int"), + CLK_MSR_ID(27, "in_mac"), + CLK_MSR_ID(28, "sar_adc"), + CLK_MSR_ID(29, "pcie_inp"), + CLK_MSR_ID(30, "pcie_inn"), + CLK_MSR_ID(31, "mpll_test_out"), + CLK_MSR_ID(32, "vdec"), + CLK_MSR_ID(34, "eth_mpll_50m"), + CLK_MSR_ID(35, "mali"), + CLK_MSR_ID(36, "hdmi_tx_pixel"), + CLK_MSR_ID(37, "cdac"), + CLK_MSR_ID(38, "vdin_meas"), + CLK_MSR_ID(39, "bt656"), + CLK_MSR_ID(40, "arm_ring_osc_out_4"), + CLK_MSR_ID(41, "eth_rx_or_rmii"), + CLK_MSR_ID(42, "mp0_out"), + CLK_MSR_ID(43, "fclk_div5"), + CLK_MSR_ID(44, "pwm_b"), + CLK_MSR_ID(45, "pwm_a"), + CLK_MSR_ID(46, "vpu"), + CLK_MSR_ID(47, "ddr_dpll_pt"), + CLK_MSR_ID(48, "mp1_out"), + CLK_MSR_ID(49, "mp2_out"), + CLK_MSR_ID(50, "mp3_out"), + CLK_MSR_ID(51, "sd_emmc_c"), + CLK_MSR_ID(52, "sd_emmc_b"), + CLK_MSR_ID(53, "sd_emmc_a"), + CLK_MSR_ID(54, "vpu_clkc"), + CLK_MSR_ID(55, "vid_pll_div_out"), + CLK_MSR_ID(56, "wave420l_a"), + CLK_MSR_ID(57, "wave420l_c"), + CLK_MSR_ID(58, "wave420l_b"), + CLK_MSR_ID(59, "hcodec"), + CLK_MSR_ID(60, "arm_ring_osc_out_5"), + CLK_MSR_ID(61, "gpio_msr"), + CLK_MSR_ID(62, "hevcb"), + CLK_MSR_ID(63, "dsi_meas"), + CLK_MSR_ID(64, "spicc_1"), + CLK_MSR_ID(65, "spicc_0"), + CLK_MSR_ID(66, "vid_lock"), + CLK_MSR_ID(67, "dsi_phy"), + CLK_MSR_ID(68, "hdcp22_esm"), + CLK_MSR_ID(69, "hdcp22_skp"), + CLK_MSR_ID(70, "pwm_f"), + CLK_MSR_ID(71, "pwm_e"), + CLK_MSR_ID(72, "pwm_d"), + CLK_MSR_ID(73, "pwm_c"), + CLK_MSR_ID(74, "arm_ring_osc_out_6"), + CLK_MSR_ID(75, "hevcf"), + CLK_MSR_ID(76, "arm_ring_osc_out_7"), + CLK_MSR_ID(77, "rng_ring_osc_0"), + CLK_MSR_ID(78, "rng_ring_osc_1"), + CLK_MSR_ID(79, "rng_ring_osc_2"), + CLK_MSR_ID(80, "rng_ring_osc_3"), + CLK_MSR_ID(81, "vapb"), + CLK_MSR_ID(82, "ge2d"), + CLK_MSR_ID(83, "co_rx"), + CLK_MSR_ID(84, "co_tx"), + CLK_MSR_ID(85, "arm_ring_osc_out_8"), + CLK_MSR_ID(86, "arm_ring_osc_out_9"), + CLK_MSR_ID(87, "mipi_dsi_phy"), + CLK_MSR_ID(88, "cis2_adapt"), + CLK_MSR_ID(89, "hdmi_todig"), + CLK_MSR_ID(90, "hdmitx_sys"), + CLK_MSR_ID(91, "nna_core"), + CLK_MSR_ID(92, "nna_axi"), + CLK_MSR_ID(93, "vad"), + CLK_MSR_ID(94, "eth_phy_rx"), + CLK_MSR_ID(95, "eth_phy_pll"), + CLK_MSR_ID(96, "vpu_b"), + CLK_MSR_ID(97, "cpu_b_tmp"), + CLK_MSR_ID(98, "ts"), + CLK_MSR_ID(99, "arm_ring_osc_out_10"), + CLK_MSR_ID(100, "arm_ring_osc_out_11"), + CLK_MSR_ID(101, "arm_ring_osc_out_12"), + CLK_MSR_ID(102, "arm_ring_osc_out_13"), + CLK_MSR_ID(103, "arm_ring_osc_out_14"), + CLK_MSR_ID(104, "arm_ring_osc_out_15"), + CLK_MSR_ID(105, "arm_ring_osc_out_16"), + CLK_MSR_ID(106, "ephy_test"), + CLK_MSR_ID(107, "au_dac_g128x"), + CLK_MSR_ID(108, "audio_locker_out"), + CLK_MSR_ID(109, "audio_locker_in"), + CLK_MSR_ID(110, "audio_tdmout_c_sclk"), + CLK_MSR_ID(111, "audio_tdmout_b_sclk"), + CLK_MSR_ID(112, "audio_tdmout_a_sclk"), + CLK_MSR_ID(113, "audio_tdmin_lb_sclk"), + CLK_MSR_ID(114, "audio_tdmin_c_sclk"), + CLK_MSR_ID(115, "audio_tdmin_b_sclk"), + CLK_MSR_ID(116, "audio_tdmin_a_sclk"), + CLK_MSR_ID(117, "audio_resample"), + CLK_MSR_ID(118, "audio_pdm_sys"), + CLK_MSR_ID(119, "audio_spdifout_b"), + CLK_MSR_ID(120, "audio_spdifout"), + CLK_MSR_ID(121, "audio_spdifin"), + CLK_MSR_ID(122, "audio_pdm_dclk"), + CLK_MSR_ID(123, "audio_resampled"), + CLK_MSR_ID(124, "earcrx_pll"), + CLK_MSR_ID(125, "earcrx_pll_test"), + CLK_MSR_ID(126, "csi_phy0"), + CLK_MSR_ID(127, "csi2_data"), +}; + +static int meson_clk_msr_measure_id(struct meson_msr *priv, unsigned int id, + unsigned int duration) +{ + unsigned int val; + int ret; + + regmap_write(priv->regmap, MSR_CLK_REG0, 0); + + /* Set measurement duration */ + regmap_update_bits(priv->regmap, MSR_CLK_REG0, MSR_DURATION, + FIELD_PREP(MSR_DURATION, duration - 1)); + + /* Set ID */ + regmap_update_bits(priv->regmap, MSR_CLK_REG0, MSR_CLK_SRC, + FIELD_PREP(MSR_CLK_SRC, id)); + + /* Enable & Start */ + regmap_update_bits(priv->regmap, MSR_CLK_REG0, + MSR_RUN | MSR_ENABLE, + MSR_RUN | MSR_ENABLE); + + ret = regmap_read_poll_timeout(priv->regmap, MSR_CLK_REG0, + val, !(val & MSR_BUSY), 10, 10000); + if (ret) + return ret; + + /* Disable */ + regmap_update_bits(priv->regmap, MSR_CLK_REG0, MSR_ENABLE, 0); + + /* Get the value in multiple of gate time counts */ + regmap_read(priv->regmap, MSR_CLK_REG2, &val); + + if (val >= MSR_VAL_MASK) + return -EINVAL; + + return DIV_ROUND_CLOSEST_ULL((val & MSR_VAL_MASK) * 1000000ULL, + duration); +} + +static int meson_clk_msr_best_id(struct meson_msr *priv, unsigned int id, + unsigned int *precision) +{ + unsigned int duration = DIV_MAX; + int ret; + + /* Start from max duration and down to min duration */ + do { + ret = meson_clk_msr_measure_id(priv, id, duration); + if (ret >= 0) + *precision = (2 * 1000000) / duration; + else + duration -= DIV_STEP; + } while (duration >= DIV_MIN && ret == -EINVAL); + + return ret; +} + +static void meson_clk_msr_dump(struct udevice *dev) +{ + struct meson_msr *priv = dev_get_priv(dev); + unsigned int precision = 0; + int val, i; + + printf(" clock rate precision\n"); + printf("---------------------------------------------\n"); + + for (i = 0 ; i < CLK_MSR_MAX ; ++i) { + if (!priv->msr_table[i].name) + continue; + + val = meson_clk_msr_best_id(priv, i, &precision); + if (val < 0) + return; + + printf(" %-20s %10d +/-%dHz\n", + priv->msr_table[i].name, val, precision); + } +} + +static int meson_clk_msr_xlate(struct clk *clk, struct ofnode_phandle_args *args) +{ + /* This driver doesn't expose any clocks */ + return -EINVAL; +} + +static int meson_clk_msr_probe(struct udevice *dev) +{ + struct meson_msr *priv = dev_get_priv(dev); + int ret; + + priv->msr_table = (struct meson_msr_id *)dev_get_driver_data(dev); + + ret = regmap_init_mem(dev_ofnode(dev), &priv->regmap); + if (ret) + return ret; + + return 0; +} + +static struct clk_ops meson_clk_msr_ops = { + .of_xlate = meson_clk_msr_xlate, + .dump = meson_clk_msr_dump, +}; + +static const struct udevice_id meson_clk_msr_ids[] = { + { + .compatible = "amlogic,meson-gx-clk-measure", + .data = (ulong)clk_msr_gx, + }, + { + .compatible = "amlogic,meson8-clk-measure", + .data = (ulong)clk_msr_m8, + }, + { + .compatible = "amlogic,meson8b-clk-measure", + .data = (ulong)clk_msr_m8, + }, + { + .compatible = "amlogic,meson-axg-clk-measure", + .data = (ulong)clk_msr_axg, + }, + { + .compatible = "amlogic,meson-g12a-clk-measure", + .data = (ulong)clk_msr_g12a, + }, + { + .compatible = "amlogic,meson-sm1-clk-measure", + .data = (ulong)clk_msr_sm1, + }, + { /* sentinel */ } +}; + +U_BOOT_DRIVER(meson_clk_msr) = { + .name = "meson_clk_msr", + .id = UCLASS_CLK, + .of_match = meson_clk_msr_ids, + .priv_auto = sizeof(struct meson_msr), + .ops = &meson_clk_msr_ops, + .probe = meson_clk_msr_probe, +}; diff --git a/drivers/clk/mvebu/armada-37xx-periph.c b/drivers/clk/mvebu/armada-37xx-periph.c index 1a70970..f5c9bd7 100644 --- a/drivers/clk/mvebu/armada-37xx-periph.c +++ b/drivers/clk/mvebu/armada-37xx-periph.c @@ -454,7 +454,6 @@ static int armada_37xx_periph_clk_set_parent(struct clk *clk, if (parent->dev != check_parent.dev) ret = -EINVAL; - clk_free(&check_parent); if (ret < 0) return ret; @@ -596,7 +595,6 @@ static int armada_37xx_periph_clk_probe(struct udevice *dev) } priv->parents[i] = clk_get_rate(&clk); - clk_free(&clk); } return 0; |