diff options
Diffstat (limited to 'drivers/clk/imx')
26 files changed, 229 insertions, 30 deletions
diff --git a/drivers/clk/imx/Kconfig b/drivers/clk/imx/Kconfig index 25785ec9c276..f6b82e0b9703 100644 --- a/drivers/clk/imx/Kconfig +++ b/drivers/clk/imx/Kconfig @@ -115,7 +115,7 @@ config CLK_IMX93 config CLK_IMXRT1050 tristate "IMXRT1050 CCM Clock Driver" - depends on SOC_IMXRT + depends on SOC_IMXRT || COMPILE_TEST select MXC_CLK help Build the driver for i.MXRT1050 CCM Clock Driver diff --git a/drivers/clk/imx/Makefile b/drivers/clk/imx/Makefile index e8aacb0ee6ac..a75d59f7cb8a 100644 --- a/drivers/clk/imx/Makefile +++ b/drivers/clk/imx/Makefile @@ -22,6 +22,7 @@ mxc-clk-objs += clk-pllv3.o mxc-clk-objs += clk-pllv4.o mxc-clk-objs += clk-pll14xx.o mxc-clk-objs += clk-sscg-pll.o +mxc-clk-objs += clk-gpr-mux.o obj-$(CONFIG_MXC_CLK) += mxc-clk.o obj-$(CONFIG_CLK_IMX8MM) += clk-imx8mm.o diff --git a/drivers/clk/imx/clk-gpr-mux.c b/drivers/clk/imx/clk-gpr-mux.c new file mode 100644 index 000000000000..c8d6090f15d6 --- /dev/null +++ b/drivers/clk/imx/clk-gpr-mux.c @@ -0,0 +1,119 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + */ + +#define pr_fmt(fmt) "imx:clk-gpr-mux: " fmt + +#include <linux/module.h> + +#include <linux/clk-provider.h> +#include <linux/errno.h> +#include <linux/export.h> +#include <linux/io.h> +#include <linux/slab.h> +#include <linux/regmap.h> +#include <linux/mfd/syscon.h> + +#include "clk.h" + +struct imx_clk_gpr { + struct clk_hw hw; + struct regmap *regmap; + u32 mask; + u32 reg; + const u32 *mux_table; +}; + +static struct imx_clk_gpr *to_imx_clk_gpr(struct clk_hw *hw) +{ + return container_of(hw, struct imx_clk_gpr, hw); +} + +static u8 imx_clk_gpr_mux_get_parent(struct clk_hw *hw) +{ + struct imx_clk_gpr *priv = to_imx_clk_gpr(hw); + unsigned int val; + int ret; + + ret = regmap_read(priv->regmap, priv->reg, &val); + if (ret) + goto get_parent_err; + + val &= priv->mask; + + ret = clk_mux_val_to_index(hw, priv->mux_table, 0, val); + if (ret < 0) + goto get_parent_err; + + return ret; + +get_parent_err: + pr_err("failed to get parent (%pe)\n", ERR_PTR(ret)); + + /* return some realistic non negative value. Potentially we could + * give index to some dummy error parent. + */ + return 0; +} + +static int imx_clk_gpr_mux_set_parent(struct clk_hw *hw, u8 index) +{ + struct imx_clk_gpr *priv = to_imx_clk_gpr(hw); + unsigned int val = clk_mux_index_to_val(priv->mux_table, 0, index); + + return regmap_update_bits(priv->regmap, priv->reg, priv->mask, val); +} + +static int imx_clk_gpr_mux_determine_rate(struct clk_hw *hw, + struct clk_rate_request *req) +{ + return clk_mux_determine_rate_flags(hw, req, 0); +} + +static const struct clk_ops imx_clk_gpr_mux_ops = { + .get_parent = imx_clk_gpr_mux_get_parent, + .set_parent = imx_clk_gpr_mux_set_parent, + .determine_rate = imx_clk_gpr_mux_determine_rate, +}; + +struct clk_hw *imx_clk_gpr_mux(const char *name, const char *compatible, + u32 reg, const char **parent_names, + u8 num_parents, const u32 *mux_table, u32 mask) +{ + struct clk_init_data init = { }; + struct imx_clk_gpr *priv; + struct regmap *regmap; + struct clk_hw *hw; + int ret; + + regmap = syscon_regmap_lookup_by_compatible(compatible); + if (IS_ERR(regmap)) { + pr_err("failed to find %s regmap\n", compatible); + return ERR_CAST(regmap); + } + + priv = kzalloc(sizeof(*priv), GFP_KERNEL); + if (!priv) + return ERR_PTR(-ENOMEM); + + init.name = name; + init.ops = &imx_clk_gpr_mux_ops; + init.parent_names = parent_names; + init.num_parents = num_parents; + init.flags = CLK_SET_RATE_GATE | CLK_SET_PARENT_GATE; + + priv->hw.init = &init; + priv->regmap = regmap; + priv->mux_table = mux_table; + priv->reg = reg; + priv->mask = mask; + + hw = &priv->hw; + ret = clk_hw_register(NULL, &priv->hw); + if (ret) { + kfree(priv); + hw = ERR_PTR(ret); + } + + return hw; +} diff --git a/drivers/clk/imx/clk-imx25.c b/drivers/clk/imx/clk-imx25.c index 66192fe0a898..cc013b343e62 100644 --- a/drivers/clk/imx/clk-imx25.c +++ b/drivers/clk/imx/clk-imx25.c @@ -218,7 +218,7 @@ static int __init __mx25_clocks_init(void __iomem *ccm_base) */ clk_set_parent(clk[cko_sel], clk[ipg]); - imx_register_uart_clocks(6); + imx_register_uart_clocks(); return 0; } diff --git a/drivers/clk/imx/clk-imx27.c b/drivers/clk/imx/clk-imx27.c index 56a5fc402b10..5d177125728d 100644 --- a/drivers/clk/imx/clk-imx27.c +++ b/drivers/clk/imx/clk-imx27.c @@ -165,7 +165,7 @@ static void __init _mx27_clocks_init(unsigned long fref) clk_prepare_enable(clk[IMX27_CLK_EMI_AHB_GATE]); - imx_register_uart_clocks(7); + imx_register_uart_clocks(); imx_print_silicon_rev("i.MX27", mx27_revision()); } diff --git a/drivers/clk/imx/clk-imx35.c b/drivers/clk/imx/clk-imx35.c index 0fe5ac210156..7dcbaea3fea3 100644 --- a/drivers/clk/imx/clk-imx35.c +++ b/drivers/clk/imx/clk-imx35.c @@ -235,7 +235,7 @@ static void __init _mx35_clocks_init(void) */ clk_prepare_enable(clk[scc_gate]); - imx_register_uart_clocks(4); + imx_register_uart_clocks(); imx_print_silicon_rev("i.MX35", mx35_revision()); } diff --git a/drivers/clk/imx/clk-imx5.c b/drivers/clk/imx/clk-imx5.c index e4493846454d..b82044911603 100644 --- a/drivers/clk/imx/clk-imx5.c +++ b/drivers/clk/imx/clk-imx5.c @@ -358,7 +358,7 @@ static void __init mx50_clocks_init(struct device_node *np) r = clk_round_rate(clk[IMX5_CLK_USBOH3_PER_GATE], 54000000); clk_set_rate(clk[IMX5_CLK_USBOH3_PER_GATE], r); - imx_register_uart_clocks(5); + imx_register_uart_clocks(); } CLK_OF_DECLARE(imx50_ccm, "fsl,imx50-ccm", mx50_clocks_init); @@ -464,7 +464,7 @@ static void __init mx51_clocks_init(struct device_node *np) val |= 1 << 23; writel(val, MXC_CCM_CLPCR); - imx_register_uart_clocks(3); + imx_register_uart_clocks(); } CLK_OF_DECLARE(imx51_ccm, "fsl,imx51-ccm", mx51_clocks_init); @@ -609,6 +609,6 @@ static void __init mx53_clocks_init(struct device_node *np) r = clk_round_rate(clk[IMX5_CLK_USBOH3_PER_GATE], 54000000); clk_set_rate(clk[IMX5_CLK_USBOH3_PER_GATE], r); - imx_register_uart_clocks(5); + imx_register_uart_clocks(); } CLK_OF_DECLARE(imx53_ccm, "fsl,imx53-ccm", mx53_clocks_init); diff --git a/drivers/clk/imx/clk-imx6q.c b/drivers/clk/imx/clk-imx6q.c index de36f58d551c..bf4c1d9c9928 100644 --- a/drivers/clk/imx/clk-imx6q.c +++ b/drivers/clk/imx/clk-imx6q.c @@ -12,6 +12,7 @@ #include <linux/clk-provider.h> #include <linux/err.h> #include <linux/io.h> +#include <linux/mfd/syscon/imx6q-iomuxc-gpr.h> #include <linux/of.h> #include <linux/of_address.h> #include <linux/of_irq.h> @@ -115,6 +116,10 @@ static struct clk_div_table video_div_table[] = { { /* sentinel */ } }; +static const char * enet_ref_sels[] = { "enet_ref", "enet_ref_pad", }; +static const u32 enet_ref_sels_table[] = { IMX6Q_GPR1_ENET_CLK_SEL_ANATOP, IMX6Q_GPR1_ENET_CLK_SEL_PAD }; +static const u32 enet_ref_sels_table_mask = IMX6Q_GPR1_ENET_CLK_SEL_ANATOP; + static unsigned int share_count_esai; static unsigned int share_count_asrc; static unsigned int share_count_ssi1; @@ -908,6 +913,12 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node) if (clk_on_imx6q() && imx_get_soc_revision() == IMX_CHIP_REVISION_1_0) hws[IMX6QDL_CLK_GPT_3M] = hws[IMX6QDL_CLK_GPT_IPG_PER]; + hws[IMX6QDL_CLK_ENET_REF_PAD] = imx6q_obtain_fixed_clk_hw(ccm_node, "enet_ref_pad", 0); + + hws[IMX6QDL_CLK_ENET_REF_SEL] = imx_clk_gpr_mux("enet_ref_sel", "fsl,imx6q-iomuxc-gpr", + IOMUXC_GPR1, enet_ref_sels, ARRAY_SIZE(enet_ref_sels), + enet_ref_sels_table, enet_ref_sels_table_mask); + imx_check_clk_hws(hws, IMX6QDL_CLK_END); of_clk_add_hw_provider(np, of_clk_hw_onecell_get, clk_hw_data); @@ -974,6 +985,8 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node) hws[IMX6QDL_CLK_PLL3_USB_OTG]->clk); } - imx_register_uart_clocks(2); + clk_set_parent(hws[IMX6QDL_CLK_ENET_REF_SEL]->clk, hws[IMX6QDL_CLK_ENET_REF]->clk); + + imx_register_uart_clocks(); } CLK_OF_DECLARE(imx6q, "fsl,imx6q-ccm", imx6q_clocks_init); diff --git a/drivers/clk/imx/clk-imx6sl.c b/drivers/clk/imx/clk-imx6sl.c index 277365970320..47b8667cfa3f 100644 --- a/drivers/clk/imx/clk-imx6sl.c +++ b/drivers/clk/imx/clk-imx6sl.c @@ -440,6 +440,6 @@ static void __init imx6sl_clocks_init(struct device_node *ccm_node) clk_set_parent(hws[IMX6SL_CLK_LCDIF_AXI_SEL]->clk, hws[IMX6SL_CLK_PLL2_PFD2]->clk); - imx_register_uart_clocks(2); + imx_register_uart_clocks(); } CLK_OF_DECLARE(imx6sl, "fsl,imx6sl-ccm", imx6sl_clocks_init); diff --git a/drivers/clk/imx/clk-imx6sll.c b/drivers/clk/imx/clk-imx6sll.c index 1c9351649eab..2fa70bf35e45 100644 --- a/drivers/clk/imx/clk-imx6sll.c +++ b/drivers/clk/imx/clk-imx6sll.c @@ -340,7 +340,7 @@ static void __init imx6sll_clocks_init(struct device_node *ccm_node) of_clk_add_hw_provider(np, of_clk_hw_onecell_get, clk_hw_data); - imx_register_uart_clocks(5); + imx_register_uart_clocks(); /* Lower the AHB clock rate before changing the clock source. */ clk_set_rate(hws[IMX6SLL_CLK_AHB]->clk, 99000000); diff --git a/drivers/clk/imx/clk-imx6sx.c b/drivers/clk/imx/clk-imx6sx.c index b378531240e6..7cf86707bc39 100644 --- a/drivers/clk/imx/clk-imx6sx.c +++ b/drivers/clk/imx/clk-imx6sx.c @@ -548,6 +548,6 @@ static void __init imx6sx_clocks_init(struct device_node *ccm_node) clk_set_parent(hws[IMX6SX_CLK_QSPI1_SEL]->clk, hws[IMX6SX_CLK_PLL2_BUS]->clk); clk_set_parent(hws[IMX6SX_CLK_QSPI2_SEL]->clk, hws[IMX6SX_CLK_PLL2_BUS]->clk); - imx_register_uart_clocks(2); + imx_register_uart_clocks(); } CLK_OF_DECLARE(imx6sx, "fsl,imx6sx-ccm", imx6sx_clocks_init); diff --git a/drivers/clk/imx/clk-imx6ul.c b/drivers/clk/imx/clk-imx6ul.c index 67a7a77ca540..2836adb817b7 100644 --- a/drivers/clk/imx/clk-imx6ul.c +++ b/drivers/clk/imx/clk-imx6ul.c @@ -10,6 +10,7 @@ #include <linux/err.h> #include <linux/init.h> #include <linux/io.h> +#include <linux/mfd/syscon/imx6q-iomuxc-gpr.h> #include <linux/of.h> #include <linux/of_address.h> #include <linux/of_irq.h> @@ -94,6 +95,17 @@ static const struct clk_div_table video_div_table[] = { { } }; +static const char * enet1_ref_sels[] = { "enet1_ref_125m", "enet1_ref_pad", }; +static const u32 enet1_ref_sels_table[] = { IMX6UL_GPR1_ENET1_TX_CLK_DIR, + IMX6UL_GPR1_ENET1_CLK_SEL }; +static const u32 enet1_ref_sels_table_mask = IMX6UL_GPR1_ENET1_TX_CLK_DIR | + IMX6UL_GPR1_ENET1_CLK_SEL; +static const char * enet2_ref_sels[] = { "enet2_ref_125m", "enet2_ref_pad", }; +static const u32 enet2_ref_sels_table[] = { IMX6UL_GPR1_ENET2_TX_CLK_DIR, + IMX6UL_GPR1_ENET2_CLK_SEL }; +static const u32 enet2_ref_sels_table_mask = IMX6UL_GPR1_ENET2_TX_CLK_DIR | + IMX6UL_GPR1_ENET2_CLK_SEL; + static u32 share_count_asrc; static u32 share_count_audio; static u32 share_count_sai1; @@ -176,7 +188,7 @@ static void __init imx6ul_clocks_init(struct device_node *ccm_node) hws[IMX6UL_CLK_PLL3_USB_OTG] = imx_clk_hw_gate("pll3_usb_otg", "pll3_bypass", base + 0x10, 13); hws[IMX6UL_CLK_PLL4_AUDIO] = imx_clk_hw_gate("pll4_audio", "pll4_bypass", base + 0x70, 13); hws[IMX6UL_CLK_PLL5_VIDEO] = imx_clk_hw_gate("pll5_video", "pll5_bypass", base + 0xa0, 13); - hws[IMX6UL_CLK_PLL6_ENET] = imx_clk_hw_gate("pll6_enet", "pll6_bypass", base + 0xe0, 13); + hws[IMX6UL_CLK_PLL6_ENET] = imx_clk_hw_fixed_factor("pll6_enet", "pll6_bypass", 1, 1); hws[IMX6UL_CLK_PLL7_USB_HOST] = imx_clk_hw_gate("pll7_usb_host", "pll7_bypass", base + 0x20, 13); /* @@ -205,12 +217,13 @@ static void __init imx6ul_clocks_init(struct device_node *ccm_node) hws[IMX6UL_CLK_PLL3_PFD2] = imx_clk_hw_pfd("pll3_pfd2_508m", "pll3_usb_otg", base + 0xf0, 2); hws[IMX6UL_CLK_PLL3_PFD3] = imx_clk_hw_pfd("pll3_pfd3_454m", "pll3_usb_otg", base + 0xf0, 3); - hws[IMX6UL_CLK_ENET_REF] = clk_hw_register_divider_table(NULL, "enet_ref", "pll6_enet", 0, + hws[IMX6UL_CLK_ENET_REF] = clk_hw_register_divider_table(NULL, "enet1_ref", "pll6_enet", 0, base + 0xe0, 0, 2, 0, clk_enet_ref_table, &imx_ccm_lock); hws[IMX6UL_CLK_ENET2_REF] = clk_hw_register_divider_table(NULL, "enet2_ref", "pll6_enet", 0, base + 0xe0, 2, 2, 0, clk_enet_ref_table, &imx_ccm_lock); - hws[IMX6UL_CLK_ENET2_REF_125M] = imx_clk_hw_gate("enet_ref_125m", "enet2_ref", base + 0xe0, 20); + hws[IMX6UL_CLK_ENET1_REF_125M] = imx_clk_hw_gate("enet1_ref_125m", "enet1_ref", base + 0xe0, 13); + hws[IMX6UL_CLK_ENET2_REF_125M] = imx_clk_hw_gate("enet2_ref_125m", "enet2_ref", base + 0xe0, 20); hws[IMX6UL_CLK_ENET_PTP_REF] = imx_clk_hw_fixed_factor("enet_ptp_ref", "pll6_enet", 1, 20); hws[IMX6UL_CLK_ENET_PTP] = imx_clk_hw_gate("enet_ptp", "enet_ptp_ref", base + 0xe0, 21); @@ -471,6 +484,17 @@ static void __init imx6ul_clocks_init(struct device_node *ccm_node) /* mask handshake of mmdc */ imx_mmdc_mask_handshake(base, 0); + hws[IMX6UL_CLK_ENET1_REF_PAD] = imx_obtain_fixed_of_clock(ccm_node, "enet1_ref_pad", 0); + + hws[IMX6UL_CLK_ENET1_REF_SEL] = imx_clk_gpr_mux("enet1_ref_sel", "fsl,imx6ul-iomuxc-gpr", + IOMUXC_GPR1, enet1_ref_sels, ARRAY_SIZE(enet1_ref_sels), + enet1_ref_sels_table, enet1_ref_sels_table_mask); + hws[IMX6UL_CLK_ENET2_REF_PAD] = imx_obtain_fixed_of_clock(ccm_node, "enet2_ref_pad", 0); + + hws[IMX6UL_CLK_ENET2_REF_SEL] = imx_clk_gpr_mux("enet2_ref_sel", "fsl,imx6ul-iomuxc-gpr", + IOMUXC_GPR1, enet2_ref_sels, ARRAY_SIZE(enet2_ref_sels), + enet2_ref_sels_table, enet2_ref_sels_table_mask); + imx_check_clk_hws(hws, IMX6UL_CLK_END); of_clk_add_hw_provider(np, of_clk_hw_onecell_get, clk_hw_data); @@ -515,6 +539,9 @@ static void __init imx6ul_clocks_init(struct device_node *ccm_node) clk_set_parent(hws[IMX6ULL_CLK_EPDC_PRE_SEL]->clk, hws[IMX6UL_CLK_PLL3_PFD2]->clk); clk_set_parent(hws[IMX6UL_CLK_ENFC_SEL]->clk, hws[IMX6UL_CLK_PLL2_PFD2]->clk); + + clk_set_parent(hws[IMX6UL_CLK_ENET1_REF_SEL]->clk, hws[IMX6UL_CLK_ENET_REF]->clk); + clk_set_parent(hws[IMX6UL_CLK_ENET2_REF_SEL]->clk, hws[IMX6UL_CLK_ENET2_REF]->clk); } CLK_OF_DECLARE(imx6ul, "fsl,imx6ul-ccm", imx6ul_clocks_init); diff --git a/drivers/clk/imx/clk-imx7d.c b/drivers/clk/imx/clk-imx7d.c index d681b6c4b29a..2b77d1fc7bb9 100644 --- a/drivers/clk/imx/clk-imx7d.c +++ b/drivers/clk/imx/clk-imx7d.c @@ -882,7 +882,7 @@ static void __init imx7d_clocks_init(struct device_node *ccm_node) hws[IMX7D_USB1_MAIN_480M_CLK] = imx_clk_hw_fixed_factor("pll_usb1_main_clk", "osc", 20, 1); hws[IMX7D_USB_MAIN_480M_CLK] = imx_clk_hw_fixed_factor("pll_usb_main_clk", "osc", 20, 1); - imx_register_uart_clocks(7); + imx_register_uart_clocks(); } CLK_OF_DECLARE(imx7d, "fsl,imx7d-ccm", imx7d_clocks_init); diff --git a/drivers/clk/imx/clk-imx7ulp.c b/drivers/clk/imx/clk-imx7ulp.c index 208a0ab80d5e..f4a48a42637f 100644 --- a/drivers/clk/imx/clk-imx7ulp.c +++ b/drivers/clk/imx/clk-imx7ulp.c @@ -176,7 +176,7 @@ static void __init imx7ulp_clk_pcc2_init(struct device_node *np) of_clk_add_hw_provider(np, of_clk_hw_onecell_get, clk_data); - imx_register_uart_clocks(2); + imx_register_uart_clocks(); } CLK_OF_DECLARE(imx7ulp_clk_pcc2, "fsl,imx7ulp-pcc2", imx7ulp_clk_pcc2_init); @@ -223,7 +223,7 @@ static void __init imx7ulp_clk_pcc3_init(struct device_node *np) of_clk_add_hw_provider(np, of_clk_hw_onecell_get, clk_data); - imx_register_uart_clocks(7); + imx_register_uart_clocks(); } CLK_OF_DECLARE(imx7ulp_clk_pcc3, "fsl,imx7ulp-pcc3", imx7ulp_clk_pcc3_init); diff --git a/drivers/clk/imx/clk-imx8mm.c b/drivers/clk/imx/clk-imx8mm.c index cb44e8148e53..b618892170f2 100644 --- a/drivers/clk/imx/clk-imx8mm.c +++ b/drivers/clk/imx/clk-imx8mm.c @@ -609,7 +609,7 @@ static int imx8mm_clocks_probe(struct platform_device *pdev) goto unregister_hws; } - imx_register_uart_clocks(4); + imx_register_uart_clocks(); return 0; diff --git a/drivers/clk/imx/clk-imx8mn.c b/drivers/clk/imx/clk-imx8mn.c index af256ade554f..a042ed3a9d6c 100644 --- a/drivers/clk/imx/clk-imx8mn.c +++ b/drivers/clk/imx/clk-imx8mn.c @@ -602,7 +602,7 @@ static int imx8mn_clocks_probe(struct platform_device *pdev) goto unregister_hws; } - imx_register_uart_clocks(4); + imx_register_uart_clocks(); return 0; diff --git a/drivers/clk/imx/clk-imx8mp.c b/drivers/clk/imx/clk-imx8mp.c index a57d877d393d..3253589851ff 100644 --- a/drivers/clk/imx/clk-imx8mp.c +++ b/drivers/clk/imx/clk-imx8mp.c @@ -723,7 +723,7 @@ static int imx8mp_clocks_probe(struct platform_device *pdev) of_clk_add_hw_provider(np, of_clk_hw_onecell_get, clk_hw_data); - imx_register_uart_clocks(4); + imx_register_uart_clocks(); return 0; } diff --git a/drivers/clk/imx/clk-imx8mq.c b/drivers/clk/imx/clk-imx8mq.c index 2bcaec19a999..4bd65879fcd3 100644 --- a/drivers/clk/imx/clk-imx8mq.c +++ b/drivers/clk/imx/clk-imx8mq.c @@ -601,7 +601,7 @@ static int imx8mq_clocks_probe(struct platform_device *pdev) goto unregister_hws; } - imx_register_uart_clocks(4); + imx_register_uart_clocks(); return 0; diff --git a/drivers/clk/imx/clk-imx8ulp.c b/drivers/clk/imx/clk-imx8ulp.c index 8eb1af2d6429..a07df3b44703 100644 --- a/drivers/clk/imx/clk-imx8ulp.c +++ b/drivers/clk/imx/clk-imx8ulp.c @@ -385,7 +385,7 @@ static int imx8ulp_clk_pcc3_init(struct platform_device *pdev) if (ret) return ret; - imx_register_uart_clocks(1); + imx_register_uart_clocks(); /* register the pcc3 reset controller */ return imx8ulp_pcc_reset_init(pdev, base, pcc3_resets, ARRAY_SIZE(pcc3_resets)); diff --git a/drivers/clk/imx/clk-imx93.c b/drivers/clk/imx/clk-imx93.c index e464d9e71fbc..8d0974db6bfd 100644 --- a/drivers/clk/imx/clk-imx93.c +++ b/drivers/clk/imx/clk-imx93.c @@ -326,6 +326,8 @@ static int imx93_clocks_probe(struct platform_device *pdev) goto unregister_hws; } + imx_register_uart_clocks(); + return 0; unregister_hws: diff --git a/drivers/clk/imx/clk-imxrt1050.c b/drivers/clk/imx/clk-imxrt1050.c index e972abd299a8..fd5c51fc92c0 100644 --- a/drivers/clk/imx/clk-imxrt1050.c +++ b/drivers/clk/imx/clk-imxrt1050.c @@ -167,3 +167,7 @@ static struct platform_driver imxrt1050_clk_driver = { }, }; module_platform_driver(imxrt1050_clk_driver); + +MODULE_LICENSE("Dual BSD/GPL"); +MODULE_AUTHOR("Jesse Taube <Mr.Bossman075@gmail.com>"); +MODULE_AUTHOR("Giulio Benetti <giulio.benetti@benettiengineering.com>"); diff --git a/drivers/clk/imx/clk-pfd.c b/drivers/clk/imx/clk-pfd.c index 5d2a9a3be95e..5cf0149dfa15 100644 --- a/drivers/clk/imx/clk-pfd.c +++ b/drivers/clk/imx/clk-pfd.c @@ -5,6 +5,7 @@ */ #include <linux/clk-provider.h> +#include <linux/export.h> #include <linux/io.h> #include <linux/slab.h> #include <linux/err.h> @@ -153,3 +154,4 @@ struct clk_hw *imx_clk_hw_pfd(const char *name, const char *parent_name, return hw; } +EXPORT_SYMBOL_GPL(imx_clk_hw_pfd); diff --git a/drivers/clk/imx/clk-pll14xx.c b/drivers/clk/imx/clk-pll14xx.c index 828336873a98..7150c59bbfc9 100644 --- a/drivers/clk/imx/clk-pll14xx.c +++ b/drivers/clk/imx/clk-pll14xx.c @@ -256,7 +256,7 @@ static unsigned long clk_pll14xx_recalc_rate(struct clk_hw *hw, if (pll->type == PLL_1443X) { pll_div_ctl1 = readl_relaxed(pll->base + DIV_CTL1); - kdiv = FIELD_GET(KDIV_MASK, pll_div_ctl1); + kdiv = (s16)FIELD_GET(KDIV_MASK, pll_div_ctl1); } else { kdiv = 0; } diff --git a/drivers/clk/imx/clk-pllv3.c b/drivers/clk/imx/clk-pllv3.c index eea32f87c60a..11fb238ee8f0 100644 --- a/drivers/clk/imx/clk-pllv3.c +++ b/drivers/clk/imx/clk-pllv3.c @@ -6,6 +6,7 @@ #include <linux/clk-provider.h> #include <linux/delay.h> +#include <linux/export.h> #include <linux/io.h> #include <linux/iopoll.h> #include <linux/slab.h> @@ -486,3 +487,4 @@ struct clk_hw *imx_clk_hw_pllv3(enum imx_pllv3_type type, const char *name, return hw; } +EXPORT_SYMBOL_GPL(imx_clk_hw_pllv3); diff --git a/drivers/clk/imx/clk.c b/drivers/clk/imx/clk.c index b636cc099d96..19cde59a20cb 100644 --- a/drivers/clk/imx/clk.c +++ b/drivers/clk/imx/clk.c @@ -110,6 +110,20 @@ struct clk_hw *imx_obtain_fixed_clock_hw( return __clk_get_hw(clk); } +struct clk_hw *imx_obtain_fixed_of_clock(struct device_node *np, + const char *name, unsigned long rate) +{ + struct clk *clk = of_clk_get_by_name(np, name); + struct clk_hw *hw; + + if (IS_ERR(clk)) + hw = imx_obtain_fixed_clock_hw(name, rate); + else + hw = __clk_get_hw(clk); + + return hw; +} + struct clk_hw *imx_get_clk_hw_by_name(struct device_node *np, const char *name) { struct clk *clk; @@ -165,8 +179,10 @@ __setup_param("earlycon", imx_keep_uart_earlycon, __setup_param("earlyprintk", imx_keep_uart_earlyprintk, imx_keep_uart_clocks_param, 0); -void imx_register_uart_clocks(unsigned int clk_count) +void imx_register_uart_clocks(void) { + unsigned int num __maybe_unused; + imx_enabled_uart_clocks = 0; /* i.MX boards use device trees now. For build tests without CONFIG_OF, do nothing */ @@ -174,14 +190,18 @@ void imx_register_uart_clocks(unsigned int clk_count) if (imx_keep_uart_clocks) { int i; - imx_uart_clocks = kcalloc(clk_count, sizeof(struct clk *), GFP_KERNEL); - if (!imx_uart_clocks) + num = of_clk_get_parent_count(of_stdout); + if (!num) return; if (!of_stdout) return; - for (i = 0; i < clk_count; i++) { + imx_uart_clocks = kcalloc(num, sizeof(struct clk *), GFP_KERNEL); + if (!imx_uart_clocks) + return; + + for (i = 0; i < num; i++) { imx_uart_clocks[imx_enabled_uart_clocks] = of_clk_get(of_stdout, i); /* Stop if there are no more of_stdout references */ @@ -205,9 +225,10 @@ static int __init imx_clk_disable_uart(void) clk_disable_unprepare(imx_uart_clocks[i]); clk_put(imx_uart_clocks[i]); } - kfree(imx_uart_clocks); } + kfree(imx_uart_clocks); + return 0; } late_initcall_sync(imx_clk_disable_uart); diff --git a/drivers/clk/imx/clk.h b/drivers/clk/imx/clk.h index 689b3ad927c0..3d94722bbf99 100644 --- a/drivers/clk/imx/clk.h +++ b/drivers/clk/imx/clk.h @@ -12,9 +12,9 @@ extern bool mcore_booted; void imx_check_clocks(struct clk *clks[], unsigned int count); void imx_check_clk_hws(struct clk_hw *clks[], unsigned int count); #ifndef MODULE -void imx_register_uart_clocks(unsigned int clk_count); +void imx_register_uart_clocks(void); #else -static inline void imx_register_uart_clocks(unsigned int clk_count) +static inline void imx_register_uart_clocks(void) { } #endif @@ -288,6 +288,9 @@ struct clk * imx_obtain_fixed_clock( struct clk_hw *imx_obtain_fixed_clock_hw( const char *name, unsigned long rate); +struct clk_hw *imx_obtain_fixed_of_clock(struct device_node *np, + const char *name, unsigned long rate); + struct clk_hw *imx_get_clk_hw_by_name(struct device_node *np, const char *name); struct clk_hw *imx_clk_hw_gate_exclusive(const char *name, const char *parent, @@ -458,4 +461,9 @@ struct clk_hw *imx_clk_hw_divider_gate(const char *name, const char *parent_name unsigned long flags, void __iomem *reg, u8 shift, u8 width, u8 clk_divider_flags, const struct clk_div_table *table, spinlock_t *lock); + +struct clk_hw *imx_clk_gpr_mux(const char *name, const char *compatible, + u32 reg, const char **parent_names, + u8 num_parents, const u32 *mux_table, u32 mask); + #endif |