From b5056ecf7cf92b7b38a54f0dbf705c31ca346e23 Mon Sep 17 00:00:00 2001 From: Kuninori Morimoto Date: Wed, 10 Jan 2024 01:14:34 +0000 Subject: of: Add __of_device_is_status() and makes more generic status check Linux Kernel has __of_device_is_available() / __of_device_is_fail(), these are checking if the status was "okay" / "ok" / "fail" / "fail-". Add more generic __of_device_is_status() function for these. Signed-off-by: Kuninori Morimoto Tested-by: Yusuke Goda Reviewed-by: Rob Herring Reviewed-by: Geert Uytterhoeven Link: https://lore.kernel.org/r/87cyuagfba.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Geert Uytterhoeven --- drivers/of/base.c | 57 +++++++++++++++++++++++++++++++++++-------------------- 1 file changed, 36 insertions(+), 21 deletions(-) diff --git a/drivers/of/base.c b/drivers/of/base.c index b0ad8fc06e80..afb54bf5c887 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -415,15 +415,8 @@ int of_machine_is_compatible(const char *compat) } EXPORT_SYMBOL(of_machine_is_compatible); -/** - * __of_device_is_available - check if a device is available for use - * - * @device: Node to check for availability, with locks already held - * - * Return: True if the status property is absent or set to "okay" or "ok", - * false otherwise - */ -static bool __of_device_is_available(const struct device_node *device) +static bool __of_device_is_status(const struct device_node *device, + const char * const*strings) { const char *status; int statlen; @@ -433,16 +426,45 @@ static bool __of_device_is_available(const struct device_node *device) status = __of_get_property(device, "status", &statlen); if (status == NULL) - return true; + return false; if (statlen > 0) { - if (!strcmp(status, "okay") || !strcmp(status, "ok")) - return true; + while (*strings) { + unsigned int len = strlen(*strings); + + if ((*strings)[len - 1] == '-') { + if (!strncmp(status, *strings, len)) + return true; + } else { + if (!strcmp(status, *strings)) + return true; + } + strings++; + } } return false; } +/** + * __of_device_is_available - check if a device is available for use + * + * @device: Node to check for availability, with locks already held + * + * Return: True if the status property is absent or set to "okay" or "ok", + * false otherwise + */ +static bool __of_device_is_available(const struct device_node *device) +{ + static const char * const ok[] = {"okay", "ok", NULL}; + + if (!device) + return false; + + return !__of_get_property(device, "status", NULL) || + __of_device_is_status(device, ok); +} + /** * of_device_is_available - check if a device is available for use * @@ -474,16 +496,9 @@ EXPORT_SYMBOL(of_device_is_available); */ static bool __of_device_is_fail(const struct device_node *device) { - const char *status; - - if (!device) - return false; - - status = __of_get_property(device, "status", NULL); - if (status == NULL) - return false; + static const char * const fail[] = {"fail", "fail-", NULL}; - return !strcmp(status, "fail") || !strncmp(status, "fail-", 5); + return __of_device_is_status(device, fail); } /** -- cgit From 8918283af1bd68f46f75164289492988dbc67a41 Mon Sep 17 00:00:00 2001 From: Kuninori Morimoto Date: Wed, 10 Jan 2024 01:14:43 +0000 Subject: of: Add of_get_next_status_child() and makes more generic of_get_next Linux Kernel has of_get_next_available_child(). Add more generic of_get_next_status_child() to enable to use same logic for other status. Signed-off-by: Kuninori Morimoto Tested-by: Yusuke Goda Reviewed-by: Rob Herring Reviewed-by: Geert Uytterhoeven Link: https://lore.kernel.org/r/87bk9ugfb0.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Geert Uytterhoeven --- drivers/of/base.c | 29 ++++++++++++++++++----------- 1 file changed, 18 insertions(+), 11 deletions(-) diff --git a/drivers/of/base.c b/drivers/of/base.c index afb54bf5c887..ae26a15390f7 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -612,16 +612,9 @@ struct device_node *of_get_next_child(const struct device_node *node, } EXPORT_SYMBOL(of_get_next_child); -/** - * of_get_next_available_child - Find the next available child node - * @node: parent node - * @prev: previous child of the parent node, or NULL to get first - * - * This function is like of_get_next_child(), except that it - * automatically skips any disabled nodes (i.e. status = "disabled"). - */ -struct device_node *of_get_next_available_child(const struct device_node *node, - struct device_node *prev) +static struct device_node *of_get_next_status_child(const struct device_node *node, + struct device_node *prev, + bool (*checker)(const struct device_node *)) { struct device_node *next; unsigned long flags; @@ -632,7 +625,7 @@ struct device_node *of_get_next_available_child(const struct device_node *node, raw_spin_lock_irqsave(&devtree_lock, flags); next = prev ? prev->sibling : node->child; for (; next; next = next->sibling) { - if (!__of_device_is_available(next)) + if (!checker(next)) continue; if (of_node_get(next)) break; @@ -641,6 +634,20 @@ struct device_node *of_get_next_available_child(const struct device_node *node, raw_spin_unlock_irqrestore(&devtree_lock, flags); return next; } + +/** + * of_get_next_available_child - Find the next available child node + * @node: parent node + * @prev: previous child of the parent node, or NULL to get first + * + * This function is like of_get_next_child(), except that it + * automatically skips any disabled nodes (i.e. status = "disabled"). + */ +struct device_node *of_get_next_available_child(const struct device_node *node, + struct device_node *prev) +{ + return of_get_next_status_child(node, prev, __of_device_is_available); +} EXPORT_SYMBOL(of_get_next_available_child); /** -- cgit From 28c5d4e40752fc39507a647b20649c5ca1cf33b7 Mon Sep 17 00:00:00 2001 From: Kuninori Morimoto Date: Wed, 10 Jan 2024 01:14:50 +0000 Subject: of: Add for_each_reserved_child_of_node() We would like to use for_each loop for status = "reserved" nodes. Add for_each_reserved_child_of_node() for it. Signed-off-by: Kuninori Morimoto Tested-by: Yusuke Goda Reviewed-by: Geert Uytterhoeven Reviewed-by: Rob Herring Link: https://lore.kernel.org/r/87a5pegfau.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Geert Uytterhoeven --- drivers/of/base.c | 29 +++++++++++++++++++++++++++++ include/linux/of.h | 11 +++++++++++ 2 files changed, 40 insertions(+) diff --git a/drivers/of/base.c b/drivers/of/base.c index ae26a15390f7..49a9ad8134db 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -465,6 +465,20 @@ static bool __of_device_is_available(const struct device_node *device) __of_device_is_status(device, ok); } +/** + * __of_device_is_reserved - check if a device is reserved + * + * @device: Node to check for availability, with locks already held + * + * Return: True if the status property is set to "reserved", false otherwise + */ +static bool __of_device_is_reserved(const struct device_node *device) +{ + static const char * const reserved[] = {"reserved", NULL}; + + return __of_device_is_status(device, reserved); +} + /** * of_device_is_available - check if a device is available for use * @@ -650,6 +664,21 @@ struct device_node *of_get_next_available_child(const struct device_node *node, } EXPORT_SYMBOL(of_get_next_available_child); +/** + * of_get_next_reserved_child - Find the next reserved child node + * @node: parent node + * @prev: previous child of the parent node, or NULL to get first + * + * This function is like of_get_next_child(), except that it + * automatically skips any disabled nodes (i.e. status = "disabled"). + */ +struct device_node *of_get_next_reserved_child(const struct device_node *node, + struct device_node *prev) +{ + return of_get_next_status_child(node, prev, __of_device_is_reserved); +} +EXPORT_SYMBOL(of_get_next_reserved_child); + /** * of_get_next_cpu_node - Iterate on cpu nodes * @prev: previous child of the /cpus node, or NULL to get first diff --git a/include/linux/of.h b/include/linux/of.h index 6a9ddf20e79a..331e05918f11 100644 --- a/include/linux/of.h +++ b/include/linux/of.h @@ -294,6 +294,8 @@ extern struct device_node *of_get_next_child(const struct device_node *node, struct device_node *prev); extern struct device_node *of_get_next_available_child( const struct device_node *node, struct device_node *prev); +extern struct device_node *of_get_next_reserved_child( + const struct device_node *node, struct device_node *prev); extern struct device_node *of_get_compatible_child(const struct device_node *parent, const char *compatible); @@ -541,6 +543,12 @@ static inline struct device_node *of_get_next_available_child( return NULL; } +static inline struct device_node *of_get_next_reserved_child( + const struct device_node *node, struct device_node *prev) +{ + return NULL; +} + static inline struct device_node *of_find_node_with_property( struct device_node *from, const char *prop_name) { @@ -1431,6 +1439,9 @@ static inline int of_property_read_s32(const struct device_node *np, #define for_each_available_child_of_node(parent, child) \ for (child = of_get_next_available_child(parent, NULL); child != NULL; \ child = of_get_next_available_child(parent, child)) +#define for_each_reserved_child_of_node(parent, child) \ + for (child = of_get_next_reserved_child(parent, NULL); child != NULL; \ + child = of_get_next_reserved_child(parent, child)) #define for_each_of_cpu_node(cpu) \ for (cpu = of_get_next_cpu_node(NULL); cpu != NULL; \ -- cgit From 6aa175476490166847df7659d30be8b1b9bac395 Mon Sep 17 00:00:00 2001 From: Kuninori Morimoto Date: Wed, 10 Jan 2024 01:14:55 +0000 Subject: clk: renesas: cpg-mssr: Ignore all clocks assigned to non-Linux system Some boards might use Linux and another OS at the same time. In such case, currently, during booting, Linux will stop necessary module clocks which are not used on the Linux side, but are used by another OS. To avoid such situation, renesas-cpg-mssr tries to find status = "reserved" devices (A), and adds CLK_IGNORE_UNUSED flag to its <&cgp CPG_MOD xxx> clock (B). Table 2.4: Values for status property https://github.com/devicetree-org/devicetree-specification/releases/download/v0.4/devicetree-specification-v0.4.pdf "reserved" Indicates that the device is operational, but should not be used. Typically this is used for devices that are controlled by another software component, such as platform firmware. ex) scif5: serial@e6f30000 { ... (B) clocks = <&cpg CPG_MOD 202>, <&cpg CPG_CORE R8A7795_CLK_S3D1>, <&scif_clk>; ... (A) status = "reserved"; }; Cc: Aymeric Aillet Signed-off-by: Kuninori Morimoto Tested-by: Yusuke Goda Reviewed-by: Geert Uytterhoeven Link: https://lore.kernel.org/r/878r4ygfap.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Geert Uytterhoeven --- drivers/clk/renesas/renesas-cpg-mssr.c | 111 ++++++++++++++++++++++++++++++--- 1 file changed, 104 insertions(+), 7 deletions(-) diff --git a/drivers/clk/renesas/renesas-cpg-mssr.c b/drivers/clk/renesas/renesas-cpg-mssr.c index cb80d1bf6c7c..23e5a2b46ac1 100644 --- a/drivers/clk/renesas/renesas-cpg-mssr.c +++ b/drivers/clk/renesas/renesas-cpg-mssr.c @@ -142,6 +142,8 @@ static const u16 srstclr_for_gen4[] = { * @reset_clear_regs: Pointer to reset clearing registers array * @smstpcr_saved: [].mask: Mask of SMSTPCR[] bits under our control * [].val: Saved values of SMSTPCR[] + * @reserved_ids: Temporary used, reserved id list + * @num_reserved_ids: Temporary used, number of reserved id list * @clks: Array containing all Core and Module Clocks */ struct cpg_mssr_priv { @@ -168,6 +170,9 @@ struct cpg_mssr_priv { u32 val; } smstpcr_saved[ARRAY_SIZE(mstpsr_for_gen4)]; + unsigned int *reserved_ids; + unsigned int num_reserved_ids; + struct clk *clks[]; }; @@ -453,6 +458,19 @@ static void __init cpg_mssr_register_mod_clk(const struct mssr_mod_clk *mod, break; } + /* + * Ignore reserved device. + * see + * cpg_mssr_reserved_init() + */ + for (i = 0; i < priv->num_reserved_ids; i++) { + if (id == priv->reserved_ids[i]) { + dev_info(dev, "Ignore Linux non-assigned mod (%s)\n", mod->name); + init.flags |= CLK_IGNORE_UNUSED; + break; + } + } + clk = clk_register(NULL, &clock->hw); if (IS_ERR(clk)) goto fail; @@ -949,6 +967,78 @@ static const struct dev_pm_ops cpg_mssr_pm = { #define DEV_PM_OPS NULL #endif /* CONFIG_PM_SLEEP && CONFIG_ARM_PSCI_FW */ +static void __init cpg_mssr_reserved_exit(struct cpg_mssr_priv *priv) +{ + kfree(priv->reserved_ids); +} + +static int __init cpg_mssr_reserved_init(struct cpg_mssr_priv *priv, + const struct cpg_mssr_info *info) +{ + struct device_node *soc = of_find_node_by_path("/soc"); + struct device_node *node; + uint32_t args[MAX_PHANDLE_ARGS]; + unsigned int *ids = NULL; + unsigned int num = 0; + + /* + * Because clk_disable_unused() will disable all unused clocks, the device which is assigned + * to a non-Linux system will be disabled when Linux is booted. + * + * To avoid such situation, renesas-cpg-mssr assumes the device which has + * status = "reserved" is assigned to a non-Linux system, and adds CLK_IGNORE_UNUSED flag + * to its CPG_MOD clocks. + * see also + * cpg_mssr_register_mod_clk() + * + * scif5: serial@e6f30000 { + * ... + * => clocks = <&cpg CPG_MOD 202>, + * <&cpg CPG_CORE R8A7795_CLK_S3D1>, + * <&scif_clk>; + * ... + * status = "reserved"; + * }; + */ + for_each_reserved_child_of_node(soc, node) { + struct of_phandle_iterator it; + int rc; + + of_for_each_phandle(&it, rc, node, "clocks", "#clock-cells", -1) { + int idx; + + if (it.node != priv->np) + continue; + + if (of_phandle_iterator_args(&it, args, MAX_PHANDLE_ARGS) != 2) + continue; + + if (args[0] != CPG_MOD) + continue; + + ids = krealloc_array(ids, (num + 1), sizeof(*ids), GFP_KERNEL); + if (!ids) { + of_node_put(it.node); + return -ENOMEM; + } + + if (priv->reg_layout == CLK_REG_LAYOUT_RZ_A) + idx = MOD_CLK_PACK_10(args[1]); /* for DEF_MOD_STB() */ + else + idx = MOD_CLK_PACK(args[1]); /* for DEF_MOD() */ + + ids[num] = info->num_total_core_clks + idx; + + num++; + } + } + + priv->num_reserved_ids = num; + priv->reserved_ids = ids; + + return 0; +} + static int __init cpg_mssr_common_init(struct device *dev, struct device_node *np, const struct cpg_mssr_info *info) @@ -1003,14 +1093,20 @@ static int __init cpg_mssr_common_init(struct device *dev, for (i = 0; i < nclks; i++) priv->clks[i] = ERR_PTR(-ENOENT); - error = of_clk_add_provider(np, cpg_mssr_clk_src_twocell_get, priv); + error = cpg_mssr_reserved_init(priv, info); if (error) goto out_err; + error = of_clk_add_provider(np, cpg_mssr_clk_src_twocell_get, priv); + if (error) + goto reserve_err; + cpg_mssr_priv = priv; return 0; +reserve_err: + cpg_mssr_reserved_exit(priv); out_err: if (priv->base) iounmap(priv->base); @@ -1070,22 +1166,23 @@ static int __init cpg_mssr_probe(struct platform_device *pdev) cpg_mssr_del_clk_provider, np); if (error) - return error; + goto reserve_exit; error = cpg_mssr_add_clk_domain(dev, info->core_pm_clks, info->num_core_pm_clks); if (error) - return error; + goto reserve_exit; /* Reset Controller not supported for Standby Control SoCs */ if (priv->reg_layout == CLK_REG_LAYOUT_RZ_A) - return 0; + goto reserve_exit; error = cpg_mssr_reset_controller_register(priv); - if (error) - return error; - return 0; +reserve_exit: + cpg_mssr_reserved_exit(priv); + + return error; } static struct platform_driver cpg_mssr_driver = { -- cgit From 4ae2c995c4339959ef04eb9afbbda1966299e5d6 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Mon, 22 Jan 2024 14:49:45 +0100 Subject: clk: renesas: mstp: Remove obsolete clkdev registration MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit After the DT conversion of SH-Mobile and Armadillo-800-EVA display support, all devices are registered from DT, so we can remove the registration of clkdevs. Add the missing #include , which was included implicitly through before. Reviewed-by: Niklas Söderlund Signed-off-by: Geert Uytterhoeven Link: https://lore.kernel.org/r/e98a6e47ebecc44fa41de6d88b4ed20c6efbd177.1705931322.git.geert+renesas@glider.be --- drivers/clk/renesas/clk-mstp.c | 16 +++------------- 1 file changed, 3 insertions(+), 13 deletions(-) diff --git a/drivers/clk/renesas/clk-mstp.c b/drivers/clk/renesas/clk-mstp.c index 6280f4dfed71..5304c977562f 100644 --- a/drivers/clk/renesas/clk-mstp.c +++ b/drivers/clk/renesas/clk-mstp.c @@ -10,7 +10,6 @@ #include #include -#include #include #include #include @@ -19,6 +18,7 @@ #include #include #include +#include #include /* @@ -237,22 +237,12 @@ static void __init cpg_mstp_clocks_init(struct device_node *np) clks[clkidx] = cpg_mstp_clock_register(name, parent_name, clkidx, group); - if (!IS_ERR(clks[clkidx])) { + if (!IS_ERR(clks[clkidx])) group->data.clk_num = max(group->data.clk_num, clkidx + 1); - /* - * Register a clkdev to let board code retrieve the - * clock by name and register aliases for non-DT - * devices. - * - * FIXME: Remove this when all devices that require a - * clock will be instantiated from DT. - */ - clk_register_clkdev(clks[clkidx], name, NULL); - } else { + else pr_err("%s: failed to register %pOFn %s clock (%ld)\n", __func__, np, name, PTR_ERR(clks[clkidx])); - } } of_clk_add_provider(np, of_clk_src_onecell_get, &group->data); -- cgit From 1fa8924a488a46b2709f1babd7176193fa077a93 Mon Sep 17 00:00:00 2001 From: Duy Nguyen Date: Thu, 25 Jan 2024 16:34:31 +0100 Subject: dt-bindings: power: renesas,rcar-sysc: Document R-Car V4M support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Document support for the System Controller (SYSC) in the R-Car V4M (R8A779H0) SoC. Signed-off-by: Duy Nguyen Signed-off-by: Geert Uytterhoeven Acked-by: Conor Dooley Reviewed-by: Niklas Söderlund Reviewed-by: Wolfram Sang Link: https://lore.kernel.org/r/6315cbd0b6e9b92a7914d98f397a2c663ad521c6.1706194617.git.geert+renesas@glider.be Signed-off-by: Ulf Hansson --- Documentation/devicetree/bindings/power/renesas,rcar-sysc.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/power/renesas,rcar-sysc.yaml b/Documentation/devicetree/bindings/power/renesas,rcar-sysc.yaml index 0720b54881c2..e76fb273490f 100644 --- a/Documentation/devicetree/bindings/power/renesas,rcar-sysc.yaml +++ b/Documentation/devicetree/bindings/power/renesas,rcar-sysc.yaml @@ -45,6 +45,7 @@ properties: - renesas,r8a779a0-sysc # R-Car V3U - renesas,r8a779f0-sysc # R-Car S4-8 - renesas,r8a779g0-sysc # R-Car V4H + - renesas,r8a779h0-sysc # R-Car V4M reg: maxItems: 1 -- cgit From 8923149ffc77eefa16d5412e30cf0e9cf26a01ba Mon Sep 17 00:00:00 2001 From: Duy Nguyen Date: Thu, 25 Jan 2024 16:34:32 +0100 Subject: dt-bindings: power: Add r8a779h0 SYSC power domain definitions MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add power domain indices for the Renesas R-Car V4M (R8A779H0) SoC. Signed-off-by: Duy Nguyen Signed-off-by: Hai Pham Signed-off-by: Geert Uytterhoeven Reviewed-by: Niklas Söderlund Acked-by: Krzysztof Kozlowski Link: https://lore.kernel.org/r/c5cbef71178cada761e9da7bcbb6f21334f93ef8.1706194617.git.geert+renesas@glider.be Signed-off-by: Ulf Hansson --- include/dt-bindings/power/renesas,r8a779h0-sysc.h | 49 +++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 include/dt-bindings/power/renesas,r8a779h0-sysc.h diff --git a/include/dt-bindings/power/renesas,r8a779h0-sysc.h b/include/dt-bindings/power/renesas,r8a779h0-sysc.h new file mode 100644 index 000000000000..f27976f523e8 --- /dev/null +++ b/include/dt-bindings/power/renesas,r8a779h0-sysc.h @@ -0,0 +1,49 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ +/* + * Copyright (C) 2023 Renesas Electronics Corp. + */ +#ifndef __DT_BINDINGS_POWER_RENESAS_R8A779H0_SYSC_H__ +#define __DT_BINDINGS_POWER_RENESAS_R8A779H0_SYSC_H__ + +/* + * These power domain indices match the Power Domain Register Numbers (PDR) + */ + +#define R8A779H0_PD_A1E0D0C0 0 +#define R8A779H0_PD_A1E0D0C1 1 +#define R8A779H0_PD_A1E0D0C2 2 +#define R8A779H0_PD_A1E0D0C3 3 +#define R8A779H0_PD_A2E0D0 16 +#define R8A779H0_PD_A3CR0 21 +#define R8A779H0_PD_A3CR1 22 +#define R8A779H0_PD_A3CR2 23 +#define R8A779H0_PD_A33DGA 24 +#define R8A779H0_PD_A23DGB 25 +#define R8A779H0_PD_C4 31 +#define R8A779H0_PD_A1DSP0 33 +#define R8A779H0_PD_A2IMP01 34 +#define R8A779H0_PD_A2PSC 35 +#define R8A779H0_PD_A2CV0 36 +#define R8A779H0_PD_A2CV1 37 +#define R8A779H0_PD_A3IMR0 38 +#define R8A779H0_PD_A3IMR1 39 +#define R8A779H0_PD_A3VC 40 +#define R8A779H0_PD_A2CN0 42 +#define R8A779H0_PD_A1CN0 44 +#define R8A779H0_PD_A1DSP1 45 +#define R8A779H0_PD_A2DMA 47 +#define R8A779H0_PD_A2CV2 48 +#define R8A779H0_PD_A2CV3 49 +#define R8A779H0_PD_A3IMR2 50 +#define R8A779H0_PD_A3IMR3 51 +#define R8A779H0_PD_A3PCI 52 +#define R8A779H0_PD_A2PCIPHY 53 +#define R8A779H0_PD_A3VIP0 56 +#define R8A779H0_PD_A3VIP2 58 +#define R8A779H0_PD_A3ISP0 60 +#define R8A779H0_PD_A3DUL 62 + +/* Always-on power area */ +#define R8A779H0_PD_ALWAYS_ON 64 + +#endif /* __DT_BINDINGS_POWER_RENESAS_R8A779H0_SYSC_H__ */ -- cgit From 2a8998479328a6eb6a2b07a68c7a756fe717b9e2 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Thu, 25 Jan 2024 16:34:29 +0100 Subject: dt-bindings: clock: renesas,cpg-mssr: Document R-Car V4M support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Document support for the Clock Pulse Generator (CPG) and Module Standby Software Reset (MSSR) module on the Renesas R-Car V4M (R8A779H0) SoC. Signed-off-by: Geert Uytterhoeven Acked-by: Conor Dooley Reviewed-by: Niklas Söderlund Reviewed-by: Wolfram Sang Link: https://lore.kernel.org/r/eb3cd02b62f3ca834df079a3f1e551d9414fe42a.1706194617.git.geert+renesas@glider.be --- Documentation/devicetree/bindings/clock/renesas,cpg-mssr.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/clock/renesas,cpg-mssr.yaml b/Documentation/devicetree/bindings/clock/renesas,cpg-mssr.yaml index 9c3dc6c4fa94..084259d30232 100644 --- a/Documentation/devicetree/bindings/clock/renesas,cpg-mssr.yaml +++ b/Documentation/devicetree/bindings/clock/renesas,cpg-mssr.yaml @@ -50,6 +50,7 @@ properties: - renesas,r8a779a0-cpg-mssr # R-Car V3U - renesas,r8a779f0-cpg-mssr # R-Car S4-8 - renesas,r8a779g0-cpg-mssr # R-Car V4H + - renesas,r8a779h0-cpg-mssr # R-Car V4M reg: maxItems: 1 -- cgit From 3bbdf8c3d32103e21d9a826e40340fa59fc579ea Mon Sep 17 00:00:00 2001 From: Duy Nguyen Date: Thu, 25 Jan 2024 16:34:30 +0100 Subject: dt-bindings: clock: Add R8A779H0 V4M CPG Core Clock Definitions MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add all Clock Pulse Generator Core Clock Outputs for the Renesas R-Car V4M (R8A779H0) SoC. Signed-off-by: Duy Nguyen Signed-off-by: Hai Pham Signed-off-by: Geert Uytterhoeven Reviewed-by: Niklas Söderlund Acked-by: Krzysztof Kozlowski Link: https://lore.kernel.org/r/11acbd2a30b58607474e9c32eb798b3a00e85e73.1706194617.git.geert+renesas@glider.be --- .../dt-bindings/clock/renesas,r8a779h0-cpg-mssr.h | 96 ++++++++++++++++++++++ 1 file changed, 96 insertions(+) create mode 100644 include/dt-bindings/clock/renesas,r8a779h0-cpg-mssr.h diff --git a/include/dt-bindings/clock/renesas,r8a779h0-cpg-mssr.h b/include/dt-bindings/clock/renesas,r8a779h0-cpg-mssr.h new file mode 100644 index 000000000000..7ab6cfbaf901 --- /dev/null +++ b/include/dt-bindings/clock/renesas,r8a779h0-cpg-mssr.h @@ -0,0 +1,96 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ +/* + * Copyright (C) 2023 Renesas Electronics Corp. + */ +#ifndef __DT_BINDINGS_CLOCK_RENESAS_R8A779H0_CPG_MSSR_H__ +#define __DT_BINDINGS_CLOCK_RENESAS_R8A779H0_CPG_MSSR_H__ + +#include + +/* r8a779h0 CPG Core Clocks */ + +#define R8A779H0_CLK_ZX 0 +#define R8A779H0_CLK_ZD 1 +#define R8A779H0_CLK_ZS 2 +#define R8A779H0_CLK_ZT 3 +#define R8A779H0_CLK_ZTR 4 +#define R8A779H0_CLK_S0D2 5 +#define R8A779H0_CLK_S0D3 6 +#define R8A779H0_CLK_S0D4 7 +#define R8A779H0_CLK_S0D1_VIO 8 +#define R8A779H0_CLK_S0D2_VIO 9 +#define R8A779H0_CLK_S0D4_VIO 10 +#define R8A779H0_CLK_S0D8_VIO 11 +#define R8A779H0_CLK_VIOBUSD1 12 +#define R8A779H0_CLK_VIOBUSD2 13 +#define R8A779H0_CLK_S0D1_VC 14 +#define R8A779H0_CLK_S0D2_VC 15 +#define R8A779H0_CLK_S0D4_VC 16 +#define R8A779H0_CLK_VCBUSD1 17 +#define R8A779H0_CLK_VCBUSD2 18 +#define R8A779H0_CLK_S0D2_MM 19 +#define R8A779H0_CLK_S0D4_MM 20 +#define R8A779H0_CLK_S0D2_U3DG 21 +#define R8A779H0_CLK_S0D4_U3DG 22 +#define R8A779H0_CLK_S0D2_RT 23 +#define R8A779H0_CLK_S0D3_RT 24 +#define R8A779H0_CLK_S0D4_RT 25 +#define R8A779H0_CLK_S0D6_RT 26 +#define R8A779H0_CLK_S0D2_PER 27 +#define R8A779H0_CLK_S0D3_PER 28 +#define R8A779H0_CLK_S0D4_PER 29 +#define R8A779H0_CLK_S0D6_PER 30 +#define R8A779H0_CLK_S0D12_PER 31 +#define R8A779H0_CLK_S0D24_PER 32 +#define R8A779H0_CLK_S0D1_HSC 33 +#define R8A779H0_CLK_S0D2_HSC 34 +#define R8A779H0_CLK_S0D4_HSC 35 +#define R8A779H0_CLK_S0D8_HSC 36 +#define R8A779H0_CLK_SVD1_IR 37 +#define R8A779H0_CLK_SVD2_IR 38 +#define R8A779H0_CLK_IMPAD1 39 +#define R8A779H0_CLK_IMPAD4 40 +#define R8A779H0_CLK_IMPB 41 +#define R8A779H0_CLK_SVD1_VIP 42 +#define R8A779H0_CLK_SVD2_VIP 43 +#define R8A779H0_CLK_CL 44 +#define R8A779H0_CLK_CL16M 45 +#define R8A779H0_CLK_CL16M_MM 46 +#define R8A779H0_CLK_CL16M_RT 47 +#define R8A779H0_CLK_CL16M_PER 48 +#define R8A779H0_CLK_CL16M_HSC 49 +#define R8A779H0_CLK_ZC0 50 +#define R8A779H0_CLK_ZC1 51 +#define R8A779H0_CLK_ZC2 52 +#define R8A779H0_CLK_ZC3 53 +#define R8A779H0_CLK_ZB3 54 +#define R8A779H0_CLK_ZB3D2 55 +#define R8A779H0_CLK_ZB3D4 56 +#define R8A779H0_CLK_ZG 57 +#define R8A779H0_CLK_SD0H 58 +#define R8A779H0_CLK_SD0 59 +#define R8A779H0_CLK_RPC 60 +#define R8A779H0_CLK_RPCD2 61 +#define R8A779H0_CLK_MSO 62 +#define R8A779H0_CLK_CANFD 63 +#define R8A779H0_CLK_CSI 64 +#define R8A779H0_CLK_FRAY 65 +#define R8A779H0_CLK_IPC 66 +#define R8A779H0_CLK_SASYNCRT 67 +#define R8A779H0_CLK_SASYNCPERD1 68 +#define R8A779H0_CLK_SASYNCPERD2 69 +#define R8A779H0_CLK_SASYNCPERD4 70 +#define R8A779H0_CLK_DSIEXT 71 +#define R8A779H0_CLK_DSIREF 72 +#define R8A779H0_CLK_ADGH 73 +#define R8A779H0_CLK_OSC 74 +#define R8A779H0_CLK_ZR0 75 +#define R8A779H0_CLK_ZR1 76 +#define R8A779H0_CLK_ZR2 77 +#define R8A779H0_CLK_RGMII 78 +#define R8A779H0_CLK_CPEX 79 +#define R8A779H0_CLK_CP 80 +#define R8A779H0_CLK_CBFUSA 81 +#define R8A779H0_CLK_R 82 + +#endif /* __DT_BINDINGS_CLOCK_RENESAS_R8A779H0_CPG_MSSR_H__ */ -- cgit From 292d3079abf333540fef06c1533d7c21c6d21390 Mon Sep 17 00:00:00 2001 From: Claudiu Beznea Date: Mon, 22 Jan 2024 13:11:06 +0200 Subject: clk: renesas: r9a08g045: Add clock and reset support for watchdog RZ/G3S has a watchdog module accessible by the Cortex-A core. Add clock and reset support for it. Signed-off-by: Claudiu Beznea Reviewed-by: Geert Uytterhoeven Link: https://lore.kernel.org/r/20240122111115.2861835-2-claudiu.beznea.uj@bp.renesas.com Signed-off-by: Geert Uytterhoeven --- drivers/clk/renesas/r9a08g045-cpg.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/clk/renesas/r9a08g045-cpg.c b/drivers/clk/renesas/r9a08g045-cpg.c index 2582ba95256e..c3e6da2de197 100644 --- a/drivers/clk/renesas/r9a08g045-cpg.c +++ b/drivers/clk/renesas/r9a08g045-cpg.c @@ -193,6 +193,8 @@ static const struct rzg2l_mod_clk r9a08g045_mod_clks[] = { DEF_MOD("ia55_pclk", R9A08G045_IA55_PCLK, R9A08G045_CLK_P2, 0x518, 0), DEF_MOD("ia55_clk", R9A08G045_IA55_CLK, R9A08G045_CLK_P1, 0x518, 1), DEF_MOD("dmac_aclk", R9A08G045_DMAC_ACLK, R9A08G045_CLK_P3, 0x52c, 0), + DEF_MOD("wdt0_pclk", R9A08G045_WDT0_PCLK, R9A08G045_CLK_P0, 0x548, 0), + DEF_MOD("wdt0_clk", R9A08G045_WDT0_CLK, R9A08G045_OSCCLK, 0x548, 1), DEF_MOD("sdhi0_imclk", R9A08G045_SDHI0_IMCLK, CLK_SD0_DIV4, 0x554, 0), DEF_MOD("sdhi0_imclk2", R9A08G045_SDHI0_IMCLK2, CLK_SD0_DIV4, 0x554, 1), DEF_MOD("sdhi0_clk_hs", R9A08G045_SDHI0_CLK_HS, R9A08G045_CLK_SD0, 0x554, 2), @@ -219,6 +221,7 @@ static const struct rzg2l_reset r9a08g045_resets[] = { DEF_RST(R9A08G045_GIC600_GICRESET_N, 0x814, 0), DEF_RST(R9A08G045_GIC600_DBG_GICRESET_N, 0x814, 1), DEF_RST(R9A08G045_IA55_RESETN, 0x818, 0), + DEF_RST(R9A08G045_WDT0_PRESETN, 0x848, 0), DEF_RST(R9A08G045_SDHI0_IXRST, 0x854, 0), DEF_RST(R9A08G045_SDHI1_IXRST, 0x854, 1), DEF_RST(R9A08G045_SDHI2_IXRST, 0x854, 2), -- cgit From 78ed252953e5bdd0b3b0dd689502d5213cb6348b Mon Sep 17 00:00:00 2001 From: Biju Das Date: Tue, 23 Jan 2024 11:44:15 +0000 Subject: clk: renesas: r9a07g043: Add clock and reset entries for CRU Add CRU clock and reset entries to CPG driver. CRU_SYSCLK and CRU_VCLK clocks need to be turned ON/OFF in particular sequence for the CRU block hence add these clocks to r9a07g043_no_pm_mod_clks[] array and pass it as part of CPG data for RZ/G2UL SoCs. Signed-off-by: Biju Das Reviewed-by: Geert Uytterhoeven Link: https://lore.kernel.org/r/20240123114415.290918-1-biju.das.jz@bp.renesas.com Signed-off-by: Geert Uytterhoeven --- drivers/clk/renesas/r9a07g043-cpg.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/drivers/clk/renesas/r9a07g043-cpg.c b/drivers/clk/renesas/r9a07g043-cpg.c index b70bb378ab46..acfb06cad441 100644 --- a/drivers/clk/renesas/r9a07g043-cpg.c +++ b/drivers/clk/renesas/r9a07g043-cpg.c @@ -48,6 +48,7 @@ enum clk_ids { CLK_SEL_PLL3_3, CLK_DIV_PLL3_C, #ifdef CONFIG_ARM64 + CLK_M2_DIV2, CLK_PLL5, CLK_PLL5_500, CLK_PLL5_250, @@ -142,6 +143,10 @@ static const struct cpg_core_clk r9a07g043_core_clks[] __initconst = { mtable_sdhi, 0, rzg2l_cpg_sd_clk_mux_notifier), DEF_FIXED("SD0_DIV4", CLK_SD0_DIV4, R9A07G043_CLK_SD0, 1, 4), DEF_FIXED("SD1_DIV4", CLK_SD1_DIV4, R9A07G043_CLK_SD1, 1, 4), +#ifdef CONFIG_ARM64 + DEF_FIXED("M2", R9A07G043_CLK_M2, CLK_PLL3_533, 1, 2), + DEF_FIXED("M2_DIV2", CLK_M2_DIV2, R9A07G043_CLK_M2, 1, 2), +#endif }; static struct rzg2l_mod_clk r9a07g043_mod_clks[] = { @@ -195,6 +200,16 @@ static struct rzg2l_mod_clk r9a07g043_mod_clks[] = { 0x554, 6), DEF_MOD("sdhi1_aclk", R9A07G043_SDHI1_ACLK, R9A07G043_CLK_P1, 0x554, 7), +#ifdef CONFIG_ARM64 + DEF_MOD("cru_sysclk", R9A07G043_CRU_SYSCLK, CLK_M2_DIV2, + 0x564, 0), + DEF_MOD("cru_vclk", R9A07G043_CRU_VCLK, R9A07G043_CLK_M2, + 0x564, 1), + DEF_MOD("cru_pclk", R9A07G043_CRU_PCLK, R9A07G043_CLK_ZT, + 0x564, 2), + DEF_MOD("cru_aclk", R9A07G043_CRU_ACLK, R9A07G043_CLK_M0, + 0x564, 3), +#endif DEF_MOD("ssi0_pclk", R9A07G043_SSI0_PCLK2, R9A07G043_CLK_P0, 0x570, 0), DEF_MOD("ssi0_sfr", R9A07G043_SSI0_PCLK_SFR, R9A07G043_CLK_P0, @@ -286,6 +301,11 @@ static struct rzg2l_reset r9a07g043_resets[] = { DEF_RST(R9A07G043_SPI_RST, 0x850, 0), DEF_RST(R9A07G043_SDHI0_IXRST, 0x854, 0), DEF_RST(R9A07G043_SDHI1_IXRST, 0x854, 1), +#ifdef CONFIG_ARM64 + DEF_RST(R9A07G043_CRU_CMN_RSTB, 0x864, 0), + DEF_RST(R9A07G043_CRU_PRESETN, 0x864, 1), + DEF_RST(R9A07G043_CRU_ARESETN, 0x864, 2), +#endif DEF_RST(R9A07G043_SSI0_RST_M2_REG, 0x870, 0), DEF_RST(R9A07G043_SSI1_RST_M2_REG, 0x870, 1), DEF_RST(R9A07G043_SSI2_RST_M2_REG, 0x870, 2), @@ -331,6 +351,13 @@ static const unsigned int r9a07g043_crit_mod_clks[] __initconst = { MOD_CLK_BASE + R9A07G043_DMAC_ACLK, }; +#ifdef CONFIG_ARM64 +static const unsigned int r9a07g043_no_pm_mod_clks[] = { + MOD_CLK_BASE + R9A07G043_CRU_SYSCLK, + MOD_CLK_BASE + R9A07G043_CRU_VCLK, +}; +#endif + const struct rzg2l_cpg_info r9a07g043_cpg_info = { /* Core Clocks */ .core_clks = r9a07g043_core_clks, @@ -347,6 +374,10 @@ const struct rzg2l_cpg_info r9a07g043_cpg_info = { .num_mod_clks = ARRAY_SIZE(r9a07g043_mod_clks), #ifdef CONFIG_ARM64 .num_hw_mod_clks = R9A07G043_TSU_PCLK + 1, + + /* No PM Module Clocks */ + .no_pm_mod_clks = r9a07g043_no_pm_mod_clks, + .num_no_pm_mod_clks = ARRAY_SIZE(r9a07g043_no_pm_mod_clks), #endif #ifdef CONFIG_RISCV .num_hw_mod_clks = R9A07G043_IAX45_PCLK + 1, -- cgit From ad3393fefd6427999de8d93accb8ea31e1339fa0 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Thu, 25 Jan 2024 16:34:35 +0100 Subject: clk: renesas: rcar-gen4: Add support for FRQCRC1 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit R-Car V4H and V4M have a second Frequency Control Register C. Add support for this by treating bit field offsets beyond 31 as referring to the second register. Signed-off-by: Geert Uytterhoeven Reviewed-by: Niklas Söderlund Reviewed-by: Wolfram Sang Link: https://lore.kernel.org/r/f64d5573a92a18505619ff0ff808d50cfc2bde55.1706194617.git.geert+renesas@glider.be --- drivers/clk/renesas/rcar-gen4-cpg.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/clk/renesas/rcar-gen4-cpg.c b/drivers/clk/renesas/rcar-gen4-cpg.c index c68d8b987054..a2bbdad021ed 100644 --- a/drivers/clk/renesas/rcar-gen4-cpg.c +++ b/drivers/clk/renesas/rcar-gen4-cpg.c @@ -179,7 +179,8 @@ static struct clk * __init cpg_pll_clk_register(const char *name, */ #define CPG_FRQCRB 0x00000804 #define CPG_FRQCRB_KICK BIT(31) -#define CPG_FRQCRC 0x00000808 +#define CPG_FRQCRC0 0x00000808 +#define CPG_FRQCRC1 0x000008e0 struct cpg_z_clk { struct clk_hw hw; @@ -304,7 +305,12 @@ static struct clk * __init cpg_z_clk_register(const char *name, init.parent_names = &parent_name; init.num_parents = 1; - zclk->reg = reg + CPG_FRQCRC; + if (offset < 32) { + zclk->reg = reg + CPG_FRQCRC0; + } else { + zclk->reg = reg + CPG_FRQCRC1; + offset -= 32; + } zclk->kick_reg = reg + CPG_FRQCRB; zclk->hw.init = &init; zclk->mask = GENMASK(offset + 4, offset); -- cgit From f077cab34df3010df6f4996e648dba5f43fd6b85 Mon Sep 17 00:00:00 2001 From: Cong Dang Date: Thu, 25 Jan 2024 16:34:36 +0100 Subject: clk: renesas: cpg-mssr: Add support for R-Car V4M MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Initial CPG support for the R-Car V4M (R8A779H0). Signed-off-by: Cong Dang Signed-off-by: Geert Uytterhoeven Acked-by: Niklas Söderlund Link: https://lore.kernel.org/r/c678ef7164e3777fa91572f72e47ef385cea64b8.1706194617.git.geert+renesas@glider.be --- drivers/clk/renesas/Kconfig | 5 + drivers/clk/renesas/Makefile | 1 + drivers/clk/renesas/r8a779h0-cpg-mssr.c | 241 ++++++++++++++++++++++++++++++++ drivers/clk/renesas/renesas-cpg-mssr.c | 6 + drivers/clk/renesas/renesas-cpg-mssr.h | 1 + 5 files changed, 254 insertions(+) create mode 100644 drivers/clk/renesas/r8a779h0-cpg-mssr.c diff --git a/drivers/clk/renesas/Kconfig b/drivers/clk/renesas/Kconfig index 69396e197959..d252150402e8 100644 --- a/drivers/clk/renesas/Kconfig +++ b/drivers/clk/renesas/Kconfig @@ -33,6 +33,7 @@ config CLK_RENESAS select CLK_R8A779A0 if ARCH_R8A779A0 select CLK_R8A779F0 if ARCH_R8A779F0 select CLK_R8A779G0 if ARCH_R8A779G0 + select CLK_R8A779H0 if ARCH_R8A779H0 select CLK_R9A06G032 if ARCH_R9A06G032 select CLK_R9A07G043 if ARCH_R9A07G043 select CLK_R9A07G044 if ARCH_R9A07G044 @@ -165,6 +166,10 @@ config CLK_R8A779G0 bool "R-Car V4H clock support" if COMPILE_TEST select CLK_RCAR_GEN4_CPG +config CLK_R8A779H0 + bool "R-Car V4M clock support" if COMPILE_TEST + select CLK_RCAR_GEN4_CPG + config CLK_R9A06G032 bool "RZ/N1D clock support" if COMPILE_TEST diff --git a/drivers/clk/renesas/Makefile b/drivers/clk/renesas/Makefile index 879a07d445f9..f7e18679c3b8 100644 --- a/drivers/clk/renesas/Makefile +++ b/drivers/clk/renesas/Makefile @@ -30,6 +30,7 @@ obj-$(CONFIG_CLK_R8A77995) += r8a77995-cpg-mssr.o obj-$(CONFIG_CLK_R8A779A0) += r8a779a0-cpg-mssr.o obj-$(CONFIG_CLK_R8A779F0) += r8a779f0-cpg-mssr.o obj-$(CONFIG_CLK_R8A779G0) += r8a779g0-cpg-mssr.o +obj-$(CONFIG_CLK_R8A779H0) += r8a779h0-cpg-mssr.o obj-$(CONFIG_CLK_R9A06G032) += r9a06g032-clocks.o obj-$(CONFIG_CLK_R9A07G043) += r9a07g043-cpg.o obj-$(CONFIG_CLK_R9A07G044) += r9a07g044-cpg.o diff --git a/drivers/clk/renesas/r8a779h0-cpg-mssr.c b/drivers/clk/renesas/r8a779h0-cpg-mssr.c new file mode 100644 index 000000000000..1259b8544980 --- /dev/null +++ b/drivers/clk/renesas/r8a779h0-cpg-mssr.c @@ -0,0 +1,241 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * r8a779h0 Clock Pulse Generator / Module Standby and Software Reset + * + * Copyright (C) 2023 Renesas Electronics Corp. + * + * Based on r8a779g0-cpg-mssr.c + */ + +#include +#include +#include +#include +#include +#include +#include + +#include + +#include "renesas-cpg-mssr.h" +#include "rcar-gen4-cpg.h" + +enum clk_ids { + /* Core Clock Outputs exported to DT */ + LAST_DT_CORE_CLK = R8A779H0_CLK_R, + + /* External Input Clocks */ + CLK_EXTAL, + CLK_EXTALR, + + /* Internal Core Clocks */ + CLK_MAIN, + CLK_PLL1, + CLK_PLL2, + CLK_PLL3, + CLK_PLL4, + CLK_PLL5, + CLK_PLL6, + CLK_PLL1_DIV2, + CLK_PLL2_DIV2, + CLK_PLL3_DIV2, + CLK_PLL4_DIV2, + CLK_PLL4_DIV5, + CLK_PLL5_DIV2, + CLK_PLL5_DIV4, + CLK_PLL6_DIV2, + CLK_S0, + CLK_S0_VIO, + CLK_S0_VC, + CLK_S0_HSC, + CLK_SASYNCPER, + CLK_SV_VIP, + CLK_SV_IR, + CLK_IMPASRC, + CLK_IMPBSRC, + CLK_VIOSRC, + CLK_VCSRC, + CLK_SDSRC, + CLK_RPCSRC, + CLK_OCO, + + /* Module Clocks */ + MOD_CLK_BASE +}; + +static const struct cpg_core_clk r8a779h0_core_clks[] = { + /* External Clock Inputs */ + DEF_INPUT("extal", CLK_EXTAL), + DEF_INPUT("extalr", CLK_EXTALR), + + /* Internal Core Clocks */ + DEF_BASE(".main", CLK_MAIN, CLK_TYPE_GEN4_MAIN, CLK_EXTAL), + DEF_BASE(".pll1", CLK_PLL1, CLK_TYPE_GEN4_PLL1, CLK_MAIN), + DEF_BASE(".pll2", CLK_PLL2, CLK_TYPE_GEN4_PLL2, CLK_MAIN), + DEF_BASE(".pll3", CLK_PLL3, CLK_TYPE_GEN4_PLL3, CLK_MAIN), + DEF_BASE(".pll4", CLK_PLL4, CLK_TYPE_GEN4_PLL4, CLK_MAIN), + DEF_BASE(".pll5", CLK_PLL5, CLK_TYPE_GEN4_PLL5, CLK_MAIN), + DEF_BASE(".pll6", CLK_PLL6, CLK_TYPE_GEN4_PLL6, CLK_MAIN), + + DEF_FIXED(".pll1_div2", CLK_PLL1_DIV2, CLK_PLL1, 2, 1), + DEF_FIXED(".pll2_div2", CLK_PLL2_DIV2, CLK_PLL2, 2, 1), + DEF_FIXED(".pll3_div2", CLK_PLL3_DIV2, CLK_PLL3, 2, 1), + DEF_FIXED(".pll4_div2", CLK_PLL4_DIV2, CLK_PLL4, 2, 1), + DEF_FIXED(".pll4_div5", CLK_PLL4_DIV5, CLK_PLL4, 5, 1), + DEF_FIXED(".pll5_div2", CLK_PLL5_DIV2, CLK_PLL5, 2, 1), + DEF_FIXED(".pll5_div4", CLK_PLL5_DIV4, CLK_PLL5_DIV2, 2, 1), + DEF_FIXED(".pll6_div2", CLK_PLL6_DIV2, CLK_PLL6, 2, 1), + DEF_FIXED(".s0", CLK_S0, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED(".s0_vio", CLK_S0_VIO, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED(".s0_vc", CLK_S0_VC, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED(".s0_hsc", CLK_S0_HSC, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED(".sasyncper", CLK_SASYNCPER, CLK_PLL5_DIV4, 3, 1), + DEF_FIXED(".sv_vip", CLK_SV_VIP, CLK_PLL1, 5, 1), + DEF_FIXED(".sv_ir", CLK_SV_IR, CLK_PLL1, 5, 1), + DEF_FIXED(".impasrc", CLK_IMPASRC, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED(".impbsrc", CLK_IMPBSRC, CLK_PLL1, 4, 1), + DEF_FIXED(".viosrc", CLK_VIOSRC, CLK_PLL1, 6, 1), + DEF_FIXED(".vcsrc", CLK_VCSRC, CLK_PLL1, 6, 1), + DEF_BASE(".sdsrc", CLK_SDSRC, CLK_TYPE_GEN4_SDSRC, CLK_PLL5), + DEF_BASE(".rpcsrc", CLK_RPCSRC, CLK_TYPE_GEN4_RPCSRC, CLK_PLL5), + DEF_RATE(".oco", CLK_OCO, 32768), + + /* Core Clock Outputs */ + DEF_GEN4_Z("zc0", R8A779H0_CLK_ZC0, CLK_TYPE_GEN4_Z, CLK_PLL2_DIV2, 2, 0), + DEF_GEN4_Z("zc1", R8A779H0_CLK_ZC1, CLK_TYPE_GEN4_Z, CLK_PLL2_DIV2, 2, 8), + DEF_GEN4_Z("zc2", R8A779H0_CLK_ZC2, CLK_TYPE_GEN4_Z, CLK_PLL2_DIV2, 2, 32), + DEF_GEN4_Z("zc3", R8A779H0_CLK_ZC3, CLK_TYPE_GEN4_Z, CLK_PLL2_DIV2, 2, 40), + DEF_FIXED("s0d2", R8A779H0_CLK_S0D2, CLK_S0, 2, 1), + DEF_FIXED("s0d3", R8A779H0_CLK_S0D3, CLK_S0, 3, 1), + DEF_FIXED("s0d4", R8A779H0_CLK_S0D4, CLK_S0, 4, 1), + DEF_FIXED("cl16m", R8A779H0_CLK_CL16M, CLK_S0, 48, 1), + DEF_FIXED("s0d2_rt", R8A779H0_CLK_S0D2_RT, CLK_S0, 2, 1), + DEF_FIXED("s0d3_rt", R8A779H0_CLK_S0D3_RT, CLK_S0, 3, 1), + DEF_FIXED("s0d4_rt", R8A779H0_CLK_S0D4_RT, CLK_S0, 4, 1), + DEF_FIXED("s0d6_rt", R8A779H0_CLK_S0D6_RT, CLK_S0, 6, 1), + DEF_FIXED("cl16m_rt", R8A779H0_CLK_CL16M_RT, CLK_S0, 48, 1), + DEF_FIXED("s0d2_per", R8A779H0_CLK_S0D2_PER, CLK_S0, 2, 1), + DEF_FIXED("s0d3_per", R8A779H0_CLK_S0D3_PER, CLK_S0, 3, 1), + DEF_FIXED("s0d4_per", R8A779H0_CLK_S0D4_PER, CLK_S0, 4, 1), + DEF_FIXED("s0d6_per", R8A779H0_CLK_S0D6_PER, CLK_S0, 6, 1), + DEF_FIXED("s0d12_per", R8A779H0_CLK_S0D12_PER, CLK_S0, 12, 1), + DEF_FIXED("s0d24_per", R8A779H0_CLK_S0D24_PER, CLK_S0, 24, 1), + DEF_FIXED("cl16m_per", R8A779H0_CLK_CL16M_PER, CLK_S0, 48, 1), + DEF_FIXED("s0d2_mm", R8A779H0_CLK_S0D2_MM, CLK_S0, 2, 1), + DEF_FIXED("s0d4_mm", R8A779H0_CLK_S0D4_MM, CLK_S0, 4, 1), + DEF_FIXED("cl16m_mm", R8A779H0_CLK_CL16M_MM, CLK_S0, 48, 1), + DEF_FIXED("s0d2_u3dg", R8A779H0_CLK_S0D2_U3DG, CLK_S0, 2, 1), + DEF_FIXED("s0d4_u3dg", R8A779H0_CLK_S0D4_U3DG, CLK_S0, 4, 1), + DEF_FIXED("s0d1_vio", R8A779H0_CLK_S0D1_VIO, CLK_S0_VIO, 1, 1), + DEF_FIXED("s0d2_vio", R8A779H0_CLK_S0D2_VIO, CLK_S0_VIO, 2, 1), + DEF_FIXED("s0d4_vio", R8A779H0_CLK_S0D4_VIO, CLK_S0_VIO, 4, 1), + DEF_FIXED("s0d8_vio", R8A779H0_CLK_S0D8_VIO, CLK_S0_VIO, 8, 1), + DEF_FIXED("s0d1_vc", R8A779H0_CLK_S0D1_VC, CLK_S0_VC, 1, 1), + DEF_FIXED("s0d2_vc", R8A779H0_CLK_S0D2_VC, CLK_S0_VC, 2, 1), + DEF_FIXED("s0d4_vc", R8A779H0_CLK_S0D4_VC, CLK_S0_VC, 4, 1), + DEF_FIXED("s0d1_hsc", R8A779H0_CLK_S0D1_HSC, CLK_S0_HSC, 1, 1), + DEF_FIXED("s0d2_hsc", R8A779H0_CLK_S0D2_HSC, CLK_S0_HSC, 2, 1), + DEF_FIXED("s0d4_hsc", R8A779H0_CLK_S0D4_HSC, CLK_S0_HSC, 4, 1), + DEF_FIXED("s0d8_hsc", R8A779H0_CLK_S0D8_HSC, CLK_S0_HSC, 8, 1), + DEF_FIXED("cl16m_hsc", R8A779H0_CLK_CL16M_HSC, CLK_S0_HSC, 48, 1), + DEF_FIXED("sasyncrt", R8A779H0_CLK_SASYNCRT, CLK_PLL5_DIV4, 48, 1), + DEF_FIXED("sasyncperd1", R8A779H0_CLK_SASYNCPERD1, CLK_SASYNCPER, 1, 1), + DEF_FIXED("sasyncperd2", R8A779H0_CLK_SASYNCPERD2, CLK_SASYNCPER, 2, 1), + DEF_FIXED("sasyncperd4", R8A779H0_CLK_SASYNCPERD4, CLK_SASYNCPER, 4, 1), + DEF_FIXED("svd1_vip", R8A779H0_CLK_SVD1_VIP, CLK_SV_VIP, 1, 1), + DEF_FIXED("svd2_vip", R8A779H0_CLK_SVD2_VIP, CLK_SV_VIP, 2, 1), + DEF_FIXED("svd1_ir", R8A779H0_CLK_SVD1_IR, CLK_SV_IR, 1, 1), + DEF_FIXED("svd2_ir", R8A779H0_CLK_SVD2_IR, CLK_SV_IR, 2, 1), + DEF_FIXED("cbfusa", R8A779H0_CLK_CBFUSA, CLK_EXTAL, 2, 1), + DEF_FIXED("cpex", R8A779H0_CLK_CPEX, CLK_EXTAL, 2, 1), + DEF_FIXED("cp", R8A779H0_CLK_CP, CLK_EXTAL, 2, 1), + DEF_FIXED("impad1", R8A779H0_CLK_IMPAD1, CLK_IMPASRC, 1, 1), + DEF_FIXED("impad4", R8A779H0_CLK_IMPAD4, CLK_IMPASRC, 4, 1), + DEF_FIXED("impb", R8A779H0_CLK_IMPB, CLK_IMPBSRC, 1, 1), + DEF_FIXED("viobusd1", R8A779H0_CLK_VIOBUSD1, CLK_VIOSRC, 1, 1), + DEF_FIXED("viobusd2", R8A779H0_CLK_VIOBUSD2, CLK_VIOSRC, 2, 1), + DEF_FIXED("vcbusd1", R8A779H0_CLK_VCBUSD1, CLK_VCSRC, 1, 1), + DEF_FIXED("vcbusd2", R8A779H0_CLK_VCBUSD2, CLK_VCSRC, 2, 1), + DEF_DIV6P1("canfd", R8A779H0_CLK_CANFD, CLK_PLL5_DIV4, 0x878), + DEF_DIV6P1("csi", R8A779H0_CLK_CSI, CLK_PLL5_DIV4, 0x880), + DEF_FIXED("dsiref", R8A779H0_CLK_DSIREF, CLK_PLL5_DIV4, 48, 1), + DEF_DIV6P1("dsiext", R8A779H0_CLK_DSIEXT, CLK_PLL5_DIV4, 0x884), + DEF_DIV6P1("mso", R8A779H0_CLK_MSO, CLK_PLL5_DIV4, 0x87c), + + DEF_GEN4_SDH("sd0h", R8A779H0_CLK_SD0H, CLK_SDSRC, 0x870), + DEF_GEN4_SD("sd0", R8A779H0_CLK_SD0, R8A779H0_CLK_SD0H, 0x870), + + DEF_BASE("rpc", R8A779H0_CLK_RPC, CLK_TYPE_GEN4_RPC, CLK_RPCSRC), + DEF_BASE("rpcd2", R8A779H0_CLK_RPCD2, CLK_TYPE_GEN4_RPCD2, R8A779H0_CLK_RPC), + + DEF_GEN4_OSC("osc", R8A779H0_CLK_OSC, CLK_EXTAL, 8), + DEF_GEN4_MDSEL("r", R8A779H0_CLK_R, 29, CLK_EXTALR, 1, CLK_OCO, 1), +}; + +static const struct mssr_mod_clk r8a779h0_mod_clks[] = { + DEF_MOD("hscif0", 514, R8A779H0_CLK_SASYNCPERD1), + DEF_MOD("hscif1", 515, R8A779H0_CLK_SASYNCPERD1), + DEF_MOD("hscif2", 516, R8A779H0_CLK_SASYNCPERD1), + DEF_MOD("hscif3", 517, R8A779H0_CLK_SASYNCPERD1), +}; + +/* + * CPG Clock Data + */ +/* + * MD EXTAL PLL1 PLL2 PLL3 PLL4 PLL5 PLL6 OSC + * 14 13 (MHz) + * ------------------------------------------------------------------------ + * 0 0 16.66 / 1 x192 x204 x192 x144 x192 x168 /16 + * 0 1 20 / 1 x160 x170 x160 x120 x160 x140 /19 + * 1 0 Prohibited setting + * 1 1 33.33 / 2 x192 x204 x192 x144 x192 x168 /32 + */ +#define CPG_PLL_CONFIG_INDEX(md) ((((md) & BIT(14)) >> 13) | \ + (((md) & BIT(13)) >> 13)) + +static const struct rcar_gen4_cpg_pll_config cpg_pll_configs[4] = { + /* EXTAL div PLL1 mult/div PLL2 mult/div PLL3 mult/div PLL4 mult/div PLL5 mult/div PLL6 mult/div OSC prediv */ + { 1, 192, 1, 240, 1, 192, 1, 240, 1, 192, 1, 168, 1, 16, }, + { 1, 160, 1, 200, 1, 160, 1, 200, 1, 160, 1, 140, 1, 19, }, + { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, + { 2, 192, 1, 240, 1, 192, 1, 240, 1, 192, 1, 168, 1, 32, }, +}; + +static int __init r8a779h0_cpg_mssr_init(struct device *dev) +{ + const struct rcar_gen4_cpg_pll_config *cpg_pll_config; + u32 cpg_mode; + int error; + + error = rcar_rst_read_mode_pins(&cpg_mode); + if (error) + return error; + + cpg_pll_config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)]; + if (!cpg_pll_config->extal_div) { + dev_err(dev, "Prohibited setting (cpg_mode=0x%x)\n", cpg_mode); + return -EINVAL; + } + + return rcar_gen4_cpg_init(cpg_pll_config, CLK_EXTALR, cpg_mode); +} + +const struct cpg_mssr_info r8a779h0_cpg_mssr_info __initconst = { + /* Core Clocks */ + .core_clks = r8a779h0_core_clks, + .num_core_clks = ARRAY_SIZE(r8a779h0_core_clks), + .last_dt_core_clk = LAST_DT_CORE_CLK, + .num_total_core_clks = MOD_CLK_BASE, + + /* Module Clocks */ + .mod_clks = r8a779h0_mod_clks, + .num_mod_clks = ARRAY_SIZE(r8a779h0_mod_clks), + .num_hw_mod_clks = 30 * 32, + + /* Callbacks */ + .init = r8a779h0_cpg_mssr_init, + .cpg_clk_register = rcar_gen4_cpg_clk_register, + + .reg_layout = CLK_REG_LAYOUT_RCAR_GEN4, +}; diff --git a/drivers/clk/renesas/renesas-cpg-mssr.c b/drivers/clk/renesas/renesas-cpg-mssr.c index 23e5a2b46ac1..1b421b809796 100644 --- a/drivers/clk/renesas/renesas-cpg-mssr.c +++ b/drivers/clk/renesas/renesas-cpg-mssr.c @@ -871,6 +871,12 @@ static const struct of_device_id cpg_mssr_match[] = { .compatible = "renesas,r8a779g0-cpg-mssr", .data = &r8a779g0_cpg_mssr_info, }, +#endif +#ifdef CONFIG_CLK_R8A779H0 + { + .compatible = "renesas,r8a779h0-cpg-mssr", + .data = &r8a779h0_cpg_mssr_info, + }, #endif { /* sentinel */ } }; diff --git a/drivers/clk/renesas/renesas-cpg-mssr.h b/drivers/clk/renesas/renesas-cpg-mssr.h index 80c5b462924a..a1d6e0cbcff9 100644 --- a/drivers/clk/renesas/renesas-cpg-mssr.h +++ b/drivers/clk/renesas/renesas-cpg-mssr.h @@ -180,6 +180,7 @@ extern const struct cpg_mssr_info r8a77995_cpg_mssr_info; extern const struct cpg_mssr_info r8a779a0_cpg_mssr_info; extern const struct cpg_mssr_info r8a779f0_cpg_mssr_info; extern const struct cpg_mssr_info r8a779g0_cpg_mssr_info; +extern const struct cpg_mssr_info r8a779h0_cpg_mssr_info; void __init cpg_mssr_early_init(struct device_node *np, const struct cpg_mssr_info *info); -- cgit From 096311157d2a6bb8f06e28e1143e2a5de6a0183b Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Tue, 30 Jan 2024 10:47:49 +0100 Subject: clk: renesas: r8a779g0: Fix PCIe clock name Fix a typo in the name of the module clock for the second PCIe channel. Fixes: 5ab16198b431ca48 ("clk: renesas: r8a779g0: Add PCIe clocks") Signed-off-by: Geert Uytterhoeven Reviewed-by: Wolfram Sang Link: https://lore.kernel.org/r/f582067564f357e2183d3db67b217084ecb51888.1706608032.git.geert+renesas@glider.be --- drivers/clk/renesas/r8a779g0-cpg-mssr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/clk/renesas/r8a779g0-cpg-mssr.c b/drivers/clk/renesas/r8a779g0-cpg-mssr.c index 5974adcef3ed..31b13c997a05 100644 --- a/drivers/clk/renesas/r8a779g0-cpg-mssr.c +++ b/drivers/clk/renesas/r8a779g0-cpg-mssr.c @@ -193,7 +193,7 @@ static const struct mssr_mod_clk r8a779g0_mod_clks[] __initconst = { DEF_MOD("msi4", 622, R8A779G0_CLK_MSO), DEF_MOD("msi5", 623, R8A779G0_CLK_MSO), DEF_MOD("pciec0", 624, R8A779G0_CLK_S0D2_HSC), - DEF_MOD("pscie1", 625, R8A779G0_CLK_S0D2_HSC), + DEF_MOD("pciec1", 625, R8A779G0_CLK_S0D2_HSC), DEF_MOD("pwm", 628, R8A779G0_CLK_SASYNCPERD4), DEF_MOD("rpc-if", 629, R8A779G0_CLK_RPCD2), DEF_MOD("scif0", 702, R8A779G0_CLK_SASYNCPERD4), -- cgit From 62527c9d46a151163525482301cf79fecd5402ef Mon Sep 17 00:00:00 2001 From: Cong Dang Date: Fri, 26 Jan 2024 11:50:56 +0100 Subject: clk: renesas: r8a779h0: Add PFC/GPIO clocks MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add the module clocks used by the Pin Function Controller (PFC) and General Purpose Input/Output (GPIO) blocks on the Renesas R-Car V4M (R8A779H0) SoC. Signed-off-by: Cong Dang Signed-off-by: Geert Uytterhoeven Reviewed-by: Niklas Söderlund Link: https://lore.kernel.org/r/a7d8f4111b87decb825db5ed310de8294f90b9f9.1706266196.git.geert+renesas@glider.be --- drivers/clk/renesas/r8a779h0-cpg-mssr.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/clk/renesas/r8a779h0-cpg-mssr.c b/drivers/clk/renesas/r8a779h0-cpg-mssr.c index 1259b8544980..219941047291 100644 --- a/drivers/clk/renesas/r8a779h0-cpg-mssr.c +++ b/drivers/clk/renesas/r8a779h0-cpg-mssr.c @@ -177,6 +177,9 @@ static const struct mssr_mod_clk r8a779h0_mod_clks[] = { DEF_MOD("hscif1", 515, R8A779H0_CLK_SASYNCPERD1), DEF_MOD("hscif2", 516, R8A779H0_CLK_SASYNCPERD1), DEF_MOD("hscif3", 517, R8A779H0_CLK_SASYNCPERD1), + DEF_MOD("pfc0", 915, R8A779H0_CLK_CP), + DEF_MOD("pfc1", 916, R8A779H0_CLK_CP), + DEF_MOD("pfc2", 917, R8A779H0_CLK_CP), }; /* -- cgit From 6e8b1dcb0956668e77cc9177b810b7c1f15c6d8d Mon Sep 17 00:00:00 2001 From: Cong Dang Date: Thu, 1 Feb 2024 13:21:55 +0100 Subject: clk: renesas: r8a779h0: Add watchdog clock Add the module clock used by the RCLK Watchdog Timer on the Renesas R-Car V4M (R8A779H0) SoC. Signed-off-by: Cong Dang Signed-off-by: Geert Uytterhoeven Reviewed-by: Wolfram Sang Link: https://lore.kernel.org/r/f1dbf0f3f484015f2e629d78b746cf377d6f6746.1706790015.git.geert+renesas@glider.be --- drivers/clk/renesas/r8a779h0-cpg-mssr.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/clk/renesas/r8a779h0-cpg-mssr.c b/drivers/clk/renesas/r8a779h0-cpg-mssr.c index 219941047291..322db567d5f8 100644 --- a/drivers/clk/renesas/r8a779h0-cpg-mssr.c +++ b/drivers/clk/renesas/r8a779h0-cpg-mssr.c @@ -177,6 +177,7 @@ static const struct mssr_mod_clk r8a779h0_mod_clks[] = { DEF_MOD("hscif1", 515, R8A779H0_CLK_SASYNCPERD1), DEF_MOD("hscif2", 516, R8A779H0_CLK_SASYNCPERD1), DEF_MOD("hscif3", 517, R8A779H0_CLK_SASYNCPERD1), + DEF_MOD("wdt1:wdt0", 907, R8A779H0_CLK_R), DEF_MOD("pfc0", 915, R8A779H0_CLK_CP), DEF_MOD("pfc1", 916, R8A779H0_CLK_CP), DEF_MOD("pfc2", 917, R8A779H0_CLK_CP), -- cgit From 5aaa139b9a03e1a43484a73248c6353a9c4d95c6 Mon Sep 17 00:00:00 2001 From: Cong Dang Date: Thu, 1 Feb 2024 13:24:56 +0100 Subject: clk: renesas: r8a779h0: Add I2C clocks Add the module clocks used by the I2C Bus Interfaces on the Renesas R-Car V4M (R8A779H0) SoC. Signed-off-by: Cong Dang Signed-off-by: Geert Uytterhoeven Reviewed-by: Wolfram Sang Link: https://lore.kernel.org/r/7a76dadbce24c81dd2bee68765a0b41beca2d565.1706790236.git.geert+renesas@glider.be --- drivers/clk/renesas/r8a779h0-cpg-mssr.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/clk/renesas/r8a779h0-cpg-mssr.c b/drivers/clk/renesas/r8a779h0-cpg-mssr.c index 322db567d5f8..70d104393594 100644 --- a/drivers/clk/renesas/r8a779h0-cpg-mssr.c +++ b/drivers/clk/renesas/r8a779h0-cpg-mssr.c @@ -177,6 +177,10 @@ static const struct mssr_mod_clk r8a779h0_mod_clks[] = { DEF_MOD("hscif1", 515, R8A779H0_CLK_SASYNCPERD1), DEF_MOD("hscif2", 516, R8A779H0_CLK_SASYNCPERD1), DEF_MOD("hscif3", 517, R8A779H0_CLK_SASYNCPERD1), + DEF_MOD("i2c0", 518, R8A779H0_CLK_S0D6_PER), + DEF_MOD("i2c1", 519, R8A779H0_CLK_S0D6_PER), + DEF_MOD("i2c2", 520, R8A779H0_CLK_S0D6_PER), + DEF_MOD("i2c3", 521, R8A779H0_CLK_S0D6_PER), DEF_MOD("wdt1:wdt0", 907, R8A779H0_CLK_R), DEF_MOD("pfc0", 915, R8A779H0_CLK_CP), DEF_MOD("pfc1", 916, R8A779H0_CLK_CP), -- cgit