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author | 2023-02-21 18:24:12 -0800 | |
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committer | 2023-02-21 18:24:12 -0800 | |
commit | 5b7c4cabbb65f5c469464da6c5f614cbd7f730f2 (patch) | |
tree | cc5c2d0a898769fd59549594fedb3ee6f84e59a0 /drivers/clk/spear/spear3xx_clock.c | |
download | linux-5b7c4cabbb65f5c469464da6c5f614cbd7f730f2.tar.gz linux-5b7c4cabbb65f5c469464da6c5f614cbd7f730f2.zip |
Merge tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-nextgrafted
Pull networking updates from Jakub Kicinski:
"Core:
- Add dedicated kmem_cache for typical/small skb->head, avoid having
to access struct page at kfree time, and improve memory use.
- Introduce sysctl to set default RPS configuration for new netdevs.
- Define Netlink protocol specification format which can be used to
describe messages used by each family and auto-generate parsers.
Add tools for generating kernel data structures and uAPI headers.
- Expose all net/core sysctls inside netns.
- Remove 4s sleep in netpoll if carrier is instantly detected on
boot.
- Add configurable limit of MDB entries per port, and port-vlan.
- Continue populating drop reasons throughout the stack.
- Retire a handful of legacy Qdiscs and classifiers.
Protocols:
- Support IPv4 big TCP (TSO frames larger than 64kB).
- Add IP_LOCAL_PORT_RANGE socket option, to control local port range
on socket by socket basis.
- Track and report in procfs number of MPTCP sockets used.
- Support mixing IPv4 and IPv6 flows in the in-kernel MPTCP path
manager.
- IPv6: don't check net.ipv6.route.max_size and rely on garbage
collection to free memory (similarly to IPv4).
- Support Penultimate Segment Pop (PSP) flavor in SRv6 (RFC8986).
- ICMP: add per-rate limit counters.
- Add support for user scanning requests in ieee802154.
- Remove static WEP support.
- Support minimal Wi-Fi 7 Extremely High Throughput (EHT) rate
reporting.
- WiFi 7 EHT channel puncturing support (client & AP).
BPF:
- Add a rbtree data structure following the "next-gen data structure"
precedent set by recently added linked list, that is, by using
kfunc + kptr instead of adding a new BPF map type.
- Expose XDP hints via kfuncs with initial support for RX hash and
timestamp metadata.
- Add BPF_F_NO_TUNNEL_KEY extension to bpf_skb_set_tunnel_key to
better support decap on GRE tunnel devices not operating in collect
metadata.
- Improve x86 JIT's codegen for PROBE_MEM runtime error checks.
- Remove the need for trace_printk_lock for bpf_trace_printk and
bpf_trace_vprintk helpers.
- Extend libbpf's bpf_tracing.h support for tracing arguments of
kprobes/uprobes and syscall as a special case.
- Significantly reduce the search time for module symbols by
livepatch and BPF.
- Enable cpumasks to be used as kptrs, which is useful for tracing
programs tracking which tasks end up running on which CPUs in
different time intervals.
- Add support for BPF trampoline on s390x and riscv64.
- Add capability to export the XDP features supported by the NIC.
- Add __bpf_kfunc tag for marking kernel functions as kfuncs.
- Add cgroup.memory=nobpf kernel parameter option to disable BPF
memory accounting for container environments.
Netfilter:
- Remove the CLUSTERIP target. It has been marked as obsolete for
years, and we still have WARN splats wrt races of the out-of-band
/proc interface installed by this target.
- Add 'destroy' commands to nf_tables. They are identical to the
existing 'delete' commands, but do not return an error if the
referenced object (set, chain, rule...) did not exist.
Driver API:
- Improve cpumask_local_spread() locality to help NICs set the right
IRQ affinity on AMD platforms.
- Separate C22 and C45 MDIO bus transactions more clearly.
- Introduce new DCB table to control DSCP rewrite on egress.
- Support configuration of Physical Layer Collision Avoidance (PLCA)
Reconciliation Sublayer (RS) (802.3cg-2019). Modern version of
shared medium Ethernet.
- Support for MAC Merge layer (IEEE 802.3-2018 clause 99). Allowing
preemption of low priority frames by high priority frames.
- Add support for controlling MACSec offload using netlink SET.
- Rework devlink instance refcounts to allow registration and
de-registration under the instance lock. Split the code into
multiple files, drop some of the unnecessarily granular locks and
factor out common parts of netlink operation handling.
- Add TX frame aggregation parameters (for USB drivers).
- Add a new attr TCA_EXT_WARN_MSG to report TC (offload) warning
messages with notifications for debug.
- Allow offloading of UDP NEW connections via act_ct.
- Add support for per action HW stats in TC.
- Support hardware miss to TC action (continue processing in SW from
a specific point in the action chain).
- Warn if old Wireless Extension user space interface is used with
modern cfg80211/mac80211 drivers. Do not support Wireless
Extensions for Wi-Fi 7 devices at all. Everyone should switch to
using nl80211 interface instead.
- Improve the CAN bit timing configuration. Use extack to return
error messages directly to user space, update the SJW handling,
including the definition of a new default value that will benefit
CAN-FD controllers, by increasing their oscillator tolerance.
New hardware / drivers:
- Ethernet:
- nVidia BlueField-3 support (control traffic driver)
- Ethernet support for imx93 SoCs
- Motorcomm yt8531 gigabit Ethernet PHY
- onsemi NCN26000 10BASE-T1S PHY (with support for PLCA)
- Microchip LAN8841 PHY (incl. cable diagnostics and PTP)
- Amlogic gxl MDIO mux
- WiFi:
- RealTek RTL8188EU (rtl8xxxu)
- Qualcomm Wi-Fi 7 devices (ath12k)
- CAN:
- Renesas R-Car V4H
Drivers:
- Bluetooth:
- Set Per Platform Antenna Gain (PPAG) for Intel controllers.
- Ethernet NICs:
- Intel (1G, igc):
- support TSN / Qbv / packet scheduling features of i226 model
- Intel (100G, ice):
- use GNSS subsystem instead of TTY
- multi-buffer XDP support
- extend support for GPIO pins to E823 devices
- nVidia/Mellanox:
- update the shared buffer configuration on PFC commands
- implement PTP adjphase function for HW offset control
- TC support for Geneve and GRE with VF tunnel offload
- more efficient crypto key management method
- multi-port eswitch support
- Netronome/Corigine:
- add DCB IEEE support
- support IPsec offloading for NFP3800
- Freescale/NXP (enetc):
- support XDP_REDIRECT for XDP non-linear buffers
- improve reconfig, avoid link flap and waiting for idle
- support MAC Merge layer
- Other NICs:
- sfc/ef100: add basic devlink support for ef100
- ionic: rx_push mode operation (writing descriptors via MMIO)
- bnxt: use the auxiliary bus abstraction for RDMA
- r8169: disable ASPM and reset bus in case of tx timeout
- cpsw: support QSGMII mode for J721e CPSW9G
- cpts: support pulse-per-second output
- ngbe: add an mdio bus driver
- usbnet: optimize usbnet_bh() by avoiding unnecessary queuing
- r8152: handle devices with FW with NCM support
- amd-xgbe: support 10Mbps, 2.5GbE speeds and rx-adaptation
- virtio-net: support multi buffer XDP
- virtio/vsock: replace virtio_vsock_pkt with sk_buff
- tsnep: XDP support
- Ethernet high-speed switches:
- nVidia/Mellanox (mlxsw):
- add support for latency TLV (in FW control messages)
- Microchip (sparx5):
- separate explicit and implicit traffic forwarding rules, make
the implicit rules always active
- add support for egress DSCP rewrite
- IS0 VCAP support (Ingress Classification)
- IS2 VCAP filters (protos, L3 addrs, L4 ports, flags, ToS
etc.)
- ES2 VCAP support (Egress Access Control)
- support for Per-Stream Filtering and Policing (802.1Q,
8.6.5.1)
- Ethernet embedded switches:
- Marvell (mv88e6xxx):
- add MAB (port auth) offload support
- enable PTP receive for mv88e6390
- NXP (ocelot):
- support MAC Merge layer
- support for the the vsc7512 internal copper phys
- Microchip:
- lan9303: convert to PHYLINK
- lan966x: support TC flower filter statistics
- lan937x: PTP support for KSZ9563/KSZ8563 and LAN937x
- lan937x: support Credit Based Shaper configuration
- ksz9477: support Energy Efficient Ethernet
- other:
- qca8k: convert to regmap read/write API, use bulk operations
- rswitch: Improve TX timestamp accuracy
- Intel WiFi (iwlwifi):
- EHT (Wi-Fi 7) rate reporting
- STEP equalizer support: transfer some STEP (connection to radio
on platforms with integrated wifi) related parameters from the
BIOS to the firmware.
- Qualcomm 802.11ax WiFi (ath11k):
- IPQ5018 support
- Fine Timing Measurement (FTM) responder role support
- channel 177 support
- MediaTek WiFi (mt76):
- per-PHY LED support
- mt7996: EHT (Wi-Fi 7) support
- Wireless Ethernet Dispatch (WED) reset support
- switch to using page pool allocator
- RealTek WiFi (rtw89):
- support new version of Bluetooth co-existance
- Mobile:
- rmnet: support TX aggregation"
* tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1872 commits)
page_pool: add a comment explaining the fragment counter usage
net: ethtool: fix __ethtool_dev_mm_supported() implementation
ethtool: pse-pd: Fix double word in comments
xsk: add linux/vmalloc.h to xsk.c
sefltests: netdevsim: wait for devlink instance after netns removal
selftest: fib_tests: Always cleanup before exit
net/mlx5e: Align IPsec ASO result memory to be as required by hardware
net/mlx5e: TC, Set CT miss to the specific ct action instance
net/mlx5e: Rename CHAIN_TO_REG to MAPPED_OBJ_TO_REG
net/mlx5: Refactor tc miss handling to a single function
net/mlx5: Kconfig: Make tc offload depend on tc skb extension
net/sched: flower: Support hardware miss to tc action
net/sched: flower: Move filter handle initialization earlier
net/sched: cls_api: Support hardware miss to tc action
net/sched: Rename user cookie and act cookie
sfc: fix builds without CONFIG_RTC_LIB
sfc: clean up some inconsistent indentings
net/mlx4_en: Introduce flexible array to silence overflow warning
net: lan966x: Fix possible deadlock inside PTP
net/ulp: Remove redundant ->clone() test in inet_clone_ulp().
...
Diffstat (limited to '')
-rw-r--r-- | drivers/clk/spear/spear3xx_clock.c | 665 |
1 files changed, 665 insertions, 0 deletions
diff --git a/drivers/clk/spear/spear3xx_clock.c b/drivers/clk/spear/spear3xx_clock.c new file mode 100644 index 000000000..ba8791303 --- /dev/null +++ b/drivers/clk/spear/spear3xx_clock.c @@ -0,0 +1,665 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * SPEAr3xx machines clock framework source file + * + * Copyright (C) 2012 ST Microelectronics + * Viresh Kumar <vireshk@kernel.org> + */ + +#include <linux/clk.h> +#include <linux/clkdev.h> +#include <linux/clk/spear.h> +#include <linux/err.h> +#include <linux/io.h> +#include <linux/of_platform.h> +#include <linux/spinlock_types.h> +#include "clk.h" + +static DEFINE_SPINLOCK(_lock); + +#define PLL1_CTR (misc_base + 0x008) +#define PLL1_FRQ (misc_base + 0x00C) +#define PLL2_CTR (misc_base + 0x014) +#define PLL2_FRQ (misc_base + 0x018) +#define PLL_CLK_CFG (misc_base + 0x020) + /* PLL_CLK_CFG register masks */ + #define MCTR_CLK_SHIFT 28 + #define MCTR_CLK_MASK 3 + +#define CORE_CLK_CFG (misc_base + 0x024) + /* CORE CLK CFG register masks */ + #define GEN_SYNTH2_3_CLK_SHIFT 18 + #define GEN_SYNTH2_3_CLK_MASK 1 + + #define HCLK_RATIO_SHIFT 10 + #define HCLK_RATIO_MASK 2 + #define PCLK_RATIO_SHIFT 8 + #define PCLK_RATIO_MASK 2 + +#define PERIP_CLK_CFG (misc_base + 0x028) + /* PERIP_CLK_CFG register masks */ + #define UART_CLK_SHIFT 4 + #define UART_CLK_MASK 1 + #define FIRDA_CLK_SHIFT 5 + #define FIRDA_CLK_MASK 2 + #define GPT0_CLK_SHIFT 8 + #define GPT1_CLK_SHIFT 11 + #define GPT2_CLK_SHIFT 12 + #define GPT_CLK_MASK 1 + +#define PERIP1_CLK_ENB (misc_base + 0x02C) + /* PERIP1_CLK_ENB register masks */ + #define UART_CLK_ENB 3 + #define SSP_CLK_ENB 5 + #define I2C_CLK_ENB 7 + #define JPEG_CLK_ENB 8 + #define FIRDA_CLK_ENB 10 + #define GPT1_CLK_ENB 11 + #define GPT2_CLK_ENB 12 + #define ADC_CLK_ENB 15 + #define RTC_CLK_ENB 17 + #define GPIO_CLK_ENB 18 + #define DMA_CLK_ENB 19 + #define SMI_CLK_ENB 21 + #define GMAC_CLK_ENB 23 + #define USBD_CLK_ENB 24 + #define USBH_CLK_ENB 25 + #define C3_CLK_ENB 31 + +#define RAS_CLK_ENB (misc_base + 0x034) + #define RAS_AHB_CLK_ENB 0 + #define RAS_PLL1_CLK_ENB 1 + #define RAS_APB_CLK_ENB 2 + #define RAS_32K_CLK_ENB 3 + #define RAS_24M_CLK_ENB 4 + #define RAS_48M_CLK_ENB 5 + #define RAS_PLL2_CLK_ENB 7 + #define RAS_SYNT0_CLK_ENB 8 + #define RAS_SYNT1_CLK_ENB 9 + #define RAS_SYNT2_CLK_ENB 10 + #define RAS_SYNT3_CLK_ENB 11 + +#define PRSC0_CLK_CFG (misc_base + 0x044) +#define PRSC1_CLK_CFG (misc_base + 0x048) +#define PRSC2_CLK_CFG (misc_base + 0x04C) +#define AMEM_CLK_CFG (misc_base + 0x050) + #define AMEM_CLK_ENB 0 + +#define CLCD_CLK_SYNT (misc_base + 0x05C) +#define FIRDA_CLK_SYNT (misc_base + 0x060) +#define UART_CLK_SYNT (misc_base + 0x064) +#define GMAC_CLK_SYNT (misc_base + 0x068) +#define GEN0_CLK_SYNT (misc_base + 0x06C) +#define GEN1_CLK_SYNT (misc_base + 0x070) +#define GEN2_CLK_SYNT (misc_base + 0x074) +#define GEN3_CLK_SYNT (misc_base + 0x078) + +/* pll rate configuration table, in ascending order of rates */ +static struct pll_rate_tbl pll_rtbl[] = { + {.mode = 0, .m = 0x53, .n = 0x0C, .p = 0x1}, /* vco 332 & pll 166 MHz */ + {.mode = 0, .m = 0x85, .n = 0x0C, .p = 0x1}, /* vco 532 & pll 266 MHz */ + {.mode = 0, .m = 0xA6, .n = 0x0C, .p = 0x1}, /* vco 664 & pll 332 MHz */ +}; + +/* aux rate configuration table, in ascending order of rates */ +static struct aux_rate_tbl aux_rtbl[] = { + /* For PLL1 = 332 MHz */ + {.xscale = 1, .yscale = 81, .eq = 0}, /* 2.049 MHz */ + {.xscale = 1, .yscale = 59, .eq = 0}, /* 2.822 MHz */ + {.xscale = 2, .yscale = 81, .eq = 0}, /* 4.098 MHz */ + {.xscale = 3, .yscale = 89, .eq = 0}, /* 5.644 MHz */ + {.xscale = 4, .yscale = 81, .eq = 0}, /* 8.197 MHz */ + {.xscale = 4, .yscale = 59, .eq = 0}, /* 11.254 MHz */ + {.xscale = 2, .yscale = 27, .eq = 0}, /* 12.296 MHz */ + {.xscale = 2, .yscale = 8, .eq = 0}, /* 41.5 MHz */ + {.xscale = 2, .yscale = 4, .eq = 0}, /* 83 MHz */ + {.xscale = 1, .yscale = 2, .eq = 1}, /* 166 MHz */ +}; + +/* gpt rate configuration table, in ascending order of rates */ +static struct gpt_rate_tbl gpt_rtbl[] = { + /* For pll1 = 332 MHz */ + {.mscale = 4, .nscale = 0}, /* 41.5 MHz */ + {.mscale = 2, .nscale = 0}, /* 55.3 MHz */ + {.mscale = 1, .nscale = 0}, /* 83 MHz */ +}; + +/* clock parents */ +static const char *uart0_parents[] = { "pll3_clk", "uart_syn_gclk", }; +static const char *firda_parents[] = { "pll3_clk", "firda_syn_gclk", +}; +static const char *gpt0_parents[] = { "pll3_clk", "gpt0_syn_clk", }; +static const char *gpt1_parents[] = { "pll3_clk", "gpt1_syn_clk", }; +static const char *gpt2_parents[] = { "pll3_clk", "gpt2_syn_clk", }; +static const char *gen2_3_parents[] = { "pll1_clk", "pll2_clk", }; +static const char *ddr_parents[] = { "ahb_clk", "ahbmult2_clk", "none", + "pll2_clk", }; + +#ifdef CONFIG_MACH_SPEAR300 +static void __init spear300_clk_init(void) +{ + struct clk *clk; + + clk = clk_register_fixed_factor(NULL, "clcd_clk", "ras_pll3_clk", 0, + 1, 1); + clk_register_clkdev(clk, NULL, "60000000.clcd"); + + clk = clk_register_fixed_factor(NULL, "fsmc_clk", "ras_ahb_clk", 0, 1, + 1); + clk_register_clkdev(clk, NULL, "94000000.flash"); + + clk = clk_register_fixed_factor(NULL, "sdhci_clk", "ras_ahb_clk", 0, 1, + 1); + clk_register_clkdev(clk, NULL, "70000000.sdhci"); + + clk = clk_register_fixed_factor(NULL, "gpio1_clk", "ras_apb_clk", 0, 1, + 1); + clk_register_clkdev(clk, NULL, "a9000000.gpio"); + + clk = clk_register_fixed_factor(NULL, "kbd_clk", "ras_apb_clk", 0, 1, + 1); + clk_register_clkdev(clk, NULL, "a0000000.kbd"); +} +#else +static inline void spear300_clk_init(void) { } +#endif + +/* array of all spear 310 clock lookups */ +#ifdef CONFIG_MACH_SPEAR310 +static void __init spear310_clk_init(void) +{ + struct clk *clk; + + clk = clk_register_fixed_factor(NULL, "emi_clk", "ras_ahb_clk", 0, 1, + 1); + clk_register_clkdev(clk, "emi", NULL); + + clk = clk_register_fixed_factor(NULL, "fsmc_clk", "ras_ahb_clk", 0, 1, + 1); + clk_register_clkdev(clk, NULL, "44000000.flash"); + + clk = clk_register_fixed_factor(NULL, "tdm_clk", "ras_ahb_clk", 0, 1, + 1); + clk_register_clkdev(clk, NULL, "tdm"); + + clk = clk_register_fixed_factor(NULL, "uart1_clk", "ras_apb_clk", 0, 1, + 1); + clk_register_clkdev(clk, NULL, "b2000000.serial"); + + clk = clk_register_fixed_factor(NULL, "uart2_clk", "ras_apb_clk", 0, 1, + 1); + clk_register_clkdev(clk, NULL, "b2080000.serial"); + + clk = clk_register_fixed_factor(NULL, "uart3_clk", "ras_apb_clk", 0, 1, + 1); + clk_register_clkdev(clk, NULL, "b2100000.serial"); + + clk = clk_register_fixed_factor(NULL, "uart4_clk", "ras_apb_clk", 0, 1, + 1); + clk_register_clkdev(clk, NULL, "b2180000.serial"); + + clk = clk_register_fixed_factor(NULL, "uart5_clk", "ras_apb_clk", 0, 1, + 1); + clk_register_clkdev(clk, NULL, "b2200000.serial"); +} +#else +static inline void spear310_clk_init(void) { } +#endif + +/* array of all spear 320 clock lookups */ +#ifdef CONFIG_MACH_SPEAR320 + +#define SPEAR320_CONTROL_REG (soc_config_base + 0x0010) +#define SPEAR320_EXT_CTRL_REG (soc_config_base + 0x0018) + + #define SPEAR320_UARTX_PCLK_MASK 0x1 + #define SPEAR320_UART2_PCLK_SHIFT 8 + #define SPEAR320_UART3_PCLK_SHIFT 9 + #define SPEAR320_UART4_PCLK_SHIFT 10 + #define SPEAR320_UART5_PCLK_SHIFT 11 + #define SPEAR320_UART6_PCLK_SHIFT 12 + #define SPEAR320_RS485_PCLK_SHIFT 13 + #define SMII_PCLK_SHIFT 18 + #define SMII_PCLK_MASK 2 + #define SMII_PCLK_VAL_PAD 0x0 + #define SMII_PCLK_VAL_PLL2 0x1 + #define SMII_PCLK_VAL_SYNTH0 0x2 + #define SDHCI_PCLK_SHIFT 15 + #define SDHCI_PCLK_MASK 1 + #define SDHCI_PCLK_VAL_48M 0x0 + #define SDHCI_PCLK_VAL_SYNTH3 0x1 + #define I2S_REF_PCLK_SHIFT 8 + #define I2S_REF_PCLK_MASK 1 + #define I2S_REF_PCLK_SYNTH_VAL 0x1 + #define I2S_REF_PCLK_PLL2_VAL 0x0 + #define UART1_PCLK_SHIFT 6 + #define UART1_PCLK_MASK 1 + #define SPEAR320_UARTX_PCLK_VAL_SYNTH1 0x0 + #define SPEAR320_UARTX_PCLK_VAL_APB 0x1 + +static const char *i2s_ref_parents[] = { "ras_pll2_clk", "ras_syn2_gclk", }; +static const char *sdhci_parents[] = { "ras_pll3_clk", "ras_syn3_gclk", }; +static const char *smii0_parents[] = { "smii_125m_pad", "ras_pll2_clk", + "ras_syn0_gclk", }; +static const char *uartx_parents[] = { "ras_syn1_gclk", "ras_apb_clk", }; + +static void __init spear320_clk_init(void __iomem *soc_config_base, + struct clk *ras_apb_clk) +{ + struct clk *clk; + + clk = clk_register_fixed_rate(NULL, "smii_125m_pad_clk", NULL, + 0, 125000000); + clk_register_clkdev(clk, "smii_125m_pad", NULL); + + clk = clk_register_fixed_factor(NULL, "clcd_clk", "ras_pll3_clk", 0, + 1, 1); + clk_register_clkdev(clk, NULL, "90000000.clcd"); + + clk = clk_register_fixed_factor(NULL, "emi_clk", "ras_ahb_clk", 0, 1, + 1); + clk_register_clkdev(clk, "emi", NULL); + + clk = clk_register_fixed_factor(NULL, "fsmc_clk", "ras_ahb_clk", 0, 1, + 1); + clk_register_clkdev(clk, NULL, "4c000000.flash"); + + clk = clk_register_fixed_factor(NULL, "i2c1_clk", "ras_ahb_clk", 0, 1, + 1); + clk_register_clkdev(clk, NULL, "a7000000.i2c"); + + clk = clk_register_fixed_factor(NULL, "pwm_clk", "ras_ahb_clk", 0, 1, + 1); + clk_register_clkdev(clk, NULL, "a8000000.pwm"); + + clk = clk_register_fixed_factor(NULL, "ssp1_clk", "ras_ahb_clk", 0, 1, + 1); + clk_register_clkdev(clk, NULL, "a5000000.spi"); + + clk = clk_register_fixed_factor(NULL, "ssp2_clk", "ras_ahb_clk", 0, 1, + 1); + clk_register_clkdev(clk, NULL, "a6000000.spi"); + + clk = clk_register_fixed_factor(NULL, "can0_clk", "ras_apb_clk", 0, 1, + 1); + clk_register_clkdev(clk, NULL, "c_can_platform.0"); + + clk = clk_register_fixed_factor(NULL, "can1_clk", "ras_apb_clk", 0, 1, + 1); + clk_register_clkdev(clk, NULL, "c_can_platform.1"); + + clk = clk_register_fixed_factor(NULL, "i2s_clk", "ras_apb_clk", 0, 1, + 1); + clk_register_clkdev(clk, NULL, "a9400000.i2s"); + + clk = clk_register_mux(NULL, "i2s_ref_clk", i2s_ref_parents, + ARRAY_SIZE(i2s_ref_parents), + CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, + SPEAR320_CONTROL_REG, I2S_REF_PCLK_SHIFT, + I2S_REF_PCLK_MASK, 0, &_lock); + clk_register_clkdev(clk, "i2s_ref_clk", NULL); + + clk = clk_register_fixed_factor(NULL, "i2s_sclk", "i2s_ref_clk", + CLK_SET_RATE_PARENT, 1, + 4); + clk_register_clkdev(clk, "i2s_sclk", NULL); + + clk = clk_register_fixed_factor(NULL, "macb1_clk", "ras_apb_clk", 0, 1, + 1); + clk_register_clkdev(clk, "hclk", "aa000000.eth"); + + clk = clk_register_fixed_factor(NULL, "macb2_clk", "ras_apb_clk", 0, 1, + 1); + clk_register_clkdev(clk, "hclk", "ab000000.eth"); + + clk = clk_register_mux(NULL, "rs485_clk", uartx_parents, + ARRAY_SIZE(uartx_parents), + CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, + SPEAR320_EXT_CTRL_REG, SPEAR320_RS485_PCLK_SHIFT, + SPEAR320_UARTX_PCLK_MASK, 0, &_lock); + clk_register_clkdev(clk, NULL, "a9300000.serial"); + + clk = clk_register_mux(NULL, "sdhci_clk", sdhci_parents, + ARRAY_SIZE(sdhci_parents), + CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, + SPEAR320_CONTROL_REG, SDHCI_PCLK_SHIFT, SDHCI_PCLK_MASK, + 0, &_lock); + clk_register_clkdev(clk, NULL, "70000000.sdhci"); + + clk = clk_register_mux(NULL, "smii_pclk", smii0_parents, + ARRAY_SIZE(smii0_parents), CLK_SET_RATE_NO_REPARENT, + SPEAR320_CONTROL_REG, SMII_PCLK_SHIFT, SMII_PCLK_MASK, + 0, &_lock); + clk_register_clkdev(clk, NULL, "smii_pclk"); + + clk = clk_register_fixed_factor(NULL, "smii_clk", "smii_pclk", 0, 1, 1); + clk_register_clkdev(clk, NULL, "smii"); + + clk = clk_register_mux(NULL, "uart1_clk", uartx_parents, + ARRAY_SIZE(uartx_parents), + CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, + SPEAR320_CONTROL_REG, UART1_PCLK_SHIFT, UART1_PCLK_MASK, + 0, &_lock); + clk_register_clkdev(clk, NULL, "a3000000.serial"); + /* Enforce ras_apb_clk */ + clk_set_parent(clk, ras_apb_clk); + + clk = clk_register_mux(NULL, "uart2_clk", uartx_parents, + ARRAY_SIZE(uartx_parents), + CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, + SPEAR320_EXT_CTRL_REG, SPEAR320_UART2_PCLK_SHIFT, + SPEAR320_UARTX_PCLK_MASK, 0, &_lock); + clk_register_clkdev(clk, NULL, "a4000000.serial"); + /* Enforce ras_apb_clk */ + clk_set_parent(clk, ras_apb_clk); + + clk = clk_register_mux(NULL, "uart3_clk", uartx_parents, + ARRAY_SIZE(uartx_parents), + CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, + SPEAR320_EXT_CTRL_REG, SPEAR320_UART3_PCLK_SHIFT, + SPEAR320_UARTX_PCLK_MASK, 0, &_lock); + clk_register_clkdev(clk, NULL, "a9100000.serial"); + + clk = clk_register_mux(NULL, "uart4_clk", uartx_parents, + ARRAY_SIZE(uartx_parents), + CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, + SPEAR320_EXT_CTRL_REG, SPEAR320_UART4_PCLK_SHIFT, + SPEAR320_UARTX_PCLK_MASK, 0, &_lock); + clk_register_clkdev(clk, NULL, "a9200000.serial"); + + clk = clk_register_mux(NULL, "uart5_clk", uartx_parents, + ARRAY_SIZE(uartx_parents), + CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, + SPEAR320_EXT_CTRL_REG, SPEAR320_UART5_PCLK_SHIFT, + SPEAR320_UARTX_PCLK_MASK, 0, &_lock); + clk_register_clkdev(clk, NULL, "60000000.serial"); + + clk = clk_register_mux(NULL, "uart6_clk", uartx_parents, + ARRAY_SIZE(uartx_parents), + CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, + SPEAR320_EXT_CTRL_REG, SPEAR320_UART6_PCLK_SHIFT, + SPEAR320_UARTX_PCLK_MASK, 0, &_lock); + clk_register_clkdev(clk, NULL, "60100000.serial"); +} +#else +static inline void spear320_clk_init(void __iomem *sb, struct clk *rc) { } +#endif + +void __init spear3xx_clk_init(void __iomem *misc_base, void __iomem *soc_config_base) +{ + struct clk *clk, *clk1, *ras_apb_clk; + + clk = clk_register_fixed_rate(NULL, "osc_32k_clk", NULL, 0, 32000); + clk_register_clkdev(clk, "osc_32k_clk", NULL); + + clk = clk_register_fixed_rate(NULL, "osc_24m_clk", NULL, 0, 24000000); + clk_register_clkdev(clk, "osc_24m_clk", NULL); + + /* clock derived from 32 KHz osc clk */ + clk = clk_register_gate(NULL, "rtc-spear", "osc_32k_clk", 0, + PERIP1_CLK_ENB, RTC_CLK_ENB, 0, &_lock); + clk_register_clkdev(clk, NULL, "fc900000.rtc"); + + /* clock derived from 24 MHz osc clk */ + clk = clk_register_fixed_rate(NULL, "pll3_clk", "osc_24m_clk", 0, + 48000000); + clk_register_clkdev(clk, "pll3_clk", NULL); + + clk = clk_register_fixed_factor(NULL, "wdt_clk", "osc_24m_clk", 0, 1, + 1); + clk_register_clkdev(clk, NULL, "fc880000.wdt"); + + clk = clk_register_vco_pll("vco1_clk", "pll1_clk", NULL, + "osc_24m_clk", 0, PLL1_CTR, PLL1_FRQ, pll_rtbl, + ARRAY_SIZE(pll_rtbl), &_lock, &clk1, NULL); + clk_register_clkdev(clk, "vco1_clk", NULL); + clk_register_clkdev(clk1, "pll1_clk", NULL); + + clk = clk_register_vco_pll("vco2_clk", "pll2_clk", NULL, + "osc_24m_clk", 0, PLL2_CTR, PLL2_FRQ, pll_rtbl, + ARRAY_SIZE(pll_rtbl), &_lock, &clk1, NULL); + clk_register_clkdev(clk, "vco2_clk", NULL); + clk_register_clkdev(clk1, "pll2_clk", NULL); + + /* clock derived from pll1 clk */ + clk = clk_register_fixed_factor(NULL, "cpu_clk", "pll1_clk", + CLK_SET_RATE_PARENT, 1, 1); + clk_register_clkdev(clk, "cpu_clk", NULL); + + clk = clk_register_divider(NULL, "ahb_clk", "pll1_clk", + CLK_SET_RATE_PARENT, CORE_CLK_CFG, HCLK_RATIO_SHIFT, + HCLK_RATIO_MASK, 0, &_lock); + clk_register_clkdev(clk, "ahb_clk", NULL); + + clk = clk_register_aux("uart_syn_clk", "uart_syn_gclk", "pll1_clk", 0, + UART_CLK_SYNT, NULL, aux_rtbl, ARRAY_SIZE(aux_rtbl), + &_lock, &clk1); + clk_register_clkdev(clk, "uart_syn_clk", NULL); + clk_register_clkdev(clk1, "uart_syn_gclk", NULL); + + clk = clk_register_mux(NULL, "uart0_mclk", uart0_parents, + ARRAY_SIZE(uart0_parents), + CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, + PERIP_CLK_CFG, UART_CLK_SHIFT, UART_CLK_MASK, 0, + &_lock); + clk_register_clkdev(clk, "uart0_mclk", NULL); + + clk = clk_register_gate(NULL, "uart0", "uart0_mclk", + CLK_SET_RATE_PARENT, PERIP1_CLK_ENB, UART_CLK_ENB, 0, + &_lock); + clk_register_clkdev(clk, NULL, "d0000000.serial"); + + clk = clk_register_aux("firda_syn_clk", "firda_syn_gclk", "pll1_clk", 0, + FIRDA_CLK_SYNT, NULL, aux_rtbl, ARRAY_SIZE(aux_rtbl), + &_lock, &clk1); + clk_register_clkdev(clk, "firda_syn_clk", NULL); + clk_register_clkdev(clk1, "firda_syn_gclk", NULL); + + clk = clk_register_mux(NULL, "firda_mclk", firda_parents, + ARRAY_SIZE(firda_parents), + CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, + PERIP_CLK_CFG, FIRDA_CLK_SHIFT, FIRDA_CLK_MASK, 0, + &_lock); + clk_register_clkdev(clk, "firda_mclk", NULL); + + clk = clk_register_gate(NULL, "firda_clk", "firda_mclk", + CLK_SET_RATE_PARENT, PERIP1_CLK_ENB, FIRDA_CLK_ENB, 0, + &_lock); + clk_register_clkdev(clk, NULL, "firda"); + + /* gpt clocks */ + clk_register_gpt("gpt0_syn_clk", "pll1_clk", 0, PRSC0_CLK_CFG, gpt_rtbl, + ARRAY_SIZE(gpt_rtbl), &_lock); + clk = clk_register_mux(NULL, "gpt0_clk", gpt0_parents, + ARRAY_SIZE(gpt0_parents), + CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, + PERIP_CLK_CFG, GPT0_CLK_SHIFT, GPT_CLK_MASK, 0, &_lock); + clk_register_clkdev(clk, NULL, "gpt0"); + + clk_register_gpt("gpt1_syn_clk", "pll1_clk", 0, PRSC1_CLK_CFG, gpt_rtbl, + ARRAY_SIZE(gpt_rtbl), &_lock); + clk = clk_register_mux(NULL, "gpt1_mclk", gpt1_parents, + ARRAY_SIZE(gpt1_parents), + CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, + PERIP_CLK_CFG, GPT1_CLK_SHIFT, GPT_CLK_MASK, 0, &_lock); + clk_register_clkdev(clk, "gpt1_mclk", NULL); + clk = clk_register_gate(NULL, "gpt1_clk", "gpt1_mclk", + CLK_SET_RATE_PARENT, PERIP1_CLK_ENB, GPT1_CLK_ENB, 0, + &_lock); + clk_register_clkdev(clk, NULL, "gpt1"); + + clk_register_gpt("gpt2_syn_clk", "pll1_clk", 0, PRSC2_CLK_CFG, gpt_rtbl, + ARRAY_SIZE(gpt_rtbl), &_lock); + clk = clk_register_mux(NULL, "gpt2_mclk", gpt2_parents, + ARRAY_SIZE(gpt2_parents), + CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, + PERIP_CLK_CFG, GPT2_CLK_SHIFT, GPT_CLK_MASK, 0, &_lock); + clk_register_clkdev(clk, "gpt2_mclk", NULL); + clk = clk_register_gate(NULL, "gpt2_clk", "gpt2_mclk", + CLK_SET_RATE_PARENT, PERIP1_CLK_ENB, GPT2_CLK_ENB, 0, + &_lock); + clk_register_clkdev(clk, NULL, "gpt2"); + + /* general synths clocks */ + clk = clk_register_aux("gen0_syn_clk", "gen0_syn_gclk", "pll1_clk", + 0, GEN0_CLK_SYNT, NULL, aux_rtbl, ARRAY_SIZE(aux_rtbl), + &_lock, &clk1); + clk_register_clkdev(clk, "gen0_syn_clk", NULL); + clk_register_clkdev(clk1, "gen0_syn_gclk", NULL); + + clk = clk_register_aux("gen1_syn_clk", "gen1_syn_gclk", "pll1_clk", + 0, GEN1_CLK_SYNT, NULL, aux_rtbl, ARRAY_SIZE(aux_rtbl), + &_lock, &clk1); + clk_register_clkdev(clk, "gen1_syn_clk", NULL); + clk_register_clkdev(clk1, "gen1_syn_gclk", NULL); + + clk = clk_register_mux(NULL, "gen2_3_par_clk", gen2_3_parents, + ARRAY_SIZE(gen2_3_parents), CLK_SET_RATE_NO_REPARENT, + CORE_CLK_CFG, GEN_SYNTH2_3_CLK_SHIFT, + GEN_SYNTH2_3_CLK_MASK, 0, &_lock); + clk_register_clkdev(clk, "gen2_3_par_clk", NULL); + + clk = clk_register_aux("gen2_syn_clk", "gen2_syn_gclk", + "gen2_3_par_clk", 0, GEN2_CLK_SYNT, NULL, aux_rtbl, + ARRAY_SIZE(aux_rtbl), &_lock, &clk1); + clk_register_clkdev(clk, "gen2_syn_clk", NULL); + clk_register_clkdev(clk1, "gen2_syn_gclk", NULL); + + clk = clk_register_aux("gen3_syn_clk", "gen3_syn_gclk", + "gen2_3_par_clk", 0, GEN3_CLK_SYNT, NULL, aux_rtbl, + ARRAY_SIZE(aux_rtbl), &_lock, &clk1); + clk_register_clkdev(clk, "gen3_syn_clk", NULL); + clk_register_clkdev(clk1, "gen3_syn_gclk", NULL); + + /* clock derived from pll3 clk */ + clk = clk_register_gate(NULL, "usbh_clk", "pll3_clk", 0, PERIP1_CLK_ENB, + USBH_CLK_ENB, 0, &_lock); + clk_register_clkdev(clk, NULL, "e1800000.ehci"); + clk_register_clkdev(clk, NULL, "e1900000.ohci"); + clk_register_clkdev(clk, NULL, "e2100000.ohci"); + + clk = clk_register_fixed_factor(NULL, "usbh.0_clk", "usbh_clk", 0, 1, + 1); + clk_register_clkdev(clk, "usbh.0_clk", NULL); + + clk = clk_register_fixed_factor(NULL, "usbh.1_clk", "usbh_clk", 0, 1, + 1); + clk_register_clkdev(clk, "usbh.1_clk", NULL); + + clk = clk_register_gate(NULL, "usbd_clk", "pll3_clk", 0, PERIP1_CLK_ENB, + USBD_CLK_ENB, 0, &_lock); + clk_register_clkdev(clk, NULL, "e1100000.usbd"); + + /* clock derived from ahb clk */ + clk = clk_register_fixed_factor(NULL, "ahbmult2_clk", "ahb_clk", 0, 2, + 1); + clk_register_clkdev(clk, "ahbmult2_clk", NULL); + + clk = clk_register_mux(NULL, "ddr_clk", ddr_parents, + ARRAY_SIZE(ddr_parents), CLK_SET_RATE_NO_REPARENT, + PLL_CLK_CFG, MCTR_CLK_SHIFT, MCTR_CLK_MASK, 0, &_lock); + clk_register_clkdev(clk, "ddr_clk", NULL); + + clk = clk_register_divider(NULL, "apb_clk", "ahb_clk", + CLK_SET_RATE_PARENT, CORE_CLK_CFG, PCLK_RATIO_SHIFT, + PCLK_RATIO_MASK, 0, &_lock); + clk_register_clkdev(clk, "apb_clk", NULL); + + clk = clk_register_gate(NULL, "amem_clk", "ahb_clk", 0, AMEM_CLK_CFG, + AMEM_CLK_ENB, 0, &_lock); + clk_register_clkdev(clk, "amem_clk", NULL); + + clk = clk_register_gate(NULL, "c3_clk", "ahb_clk", 0, PERIP1_CLK_ENB, + C3_CLK_ENB, 0, &_lock); + clk_register_clkdev(clk, NULL, "c3_clk"); + + clk = clk_register_gate(NULL, "dma_clk", "ahb_clk", 0, PERIP1_CLK_ENB, + DMA_CLK_ENB, 0, &_lock); + clk_register_clkdev(clk, NULL, "fc400000.dma"); + + clk = clk_register_gate(NULL, "gmac_clk", "ahb_clk", 0, PERIP1_CLK_ENB, + GMAC_CLK_ENB, 0, &_lock); + clk_register_clkdev(clk, NULL, "e0800000.eth"); + + clk = clk_register_gate(NULL, "i2c0_clk", "ahb_clk", 0, PERIP1_CLK_ENB, + I2C_CLK_ENB, 0, &_lock); + clk_register_clkdev(clk, NULL, "d0180000.i2c"); + + clk = clk_register_gate(NULL, "jpeg_clk", "ahb_clk", 0, PERIP1_CLK_ENB, + JPEG_CLK_ENB, 0, &_lock); + clk_register_clkdev(clk, NULL, "jpeg"); + + clk = clk_register_gate(NULL, "smi_clk", "ahb_clk", 0, PERIP1_CLK_ENB, + SMI_CLK_ENB, 0, &_lock); + clk_register_clkdev(clk, NULL, "fc000000.flash"); + + /* clock derived from apb clk */ + clk = clk_register_gate(NULL, "adc_clk", "apb_clk", 0, PERIP1_CLK_ENB, + ADC_CLK_ENB, 0, &_lock); + clk_register_clkdev(clk, NULL, "d0080000.adc"); + + clk = clk_register_gate(NULL, "gpio0_clk", "apb_clk", 0, PERIP1_CLK_ENB, + GPIO_CLK_ENB, 0, &_lock); + clk_register_clkdev(clk, NULL, "fc980000.gpio"); + + clk = clk_register_gate(NULL, "ssp0_clk", "apb_clk", 0, PERIP1_CLK_ENB, + SSP_CLK_ENB, 0, &_lock); + clk_register_clkdev(clk, NULL, "d0100000.spi"); + + /* RAS clk enable */ + clk = clk_register_gate(NULL, "ras_ahb_clk", "ahb_clk", 0, RAS_CLK_ENB, + RAS_AHB_CLK_ENB, 0, &_lock); + clk_register_clkdev(clk, "ras_ahb_clk", NULL); + + clk = clk_register_gate(NULL, "ras_apb_clk", "apb_clk", 0, RAS_CLK_ENB, + RAS_APB_CLK_ENB, 0, &_lock); + clk_register_clkdev(clk, "ras_apb_clk", NULL); + ras_apb_clk = clk; + + clk = clk_register_gate(NULL, "ras_32k_clk", "osc_32k_clk", 0, + RAS_CLK_ENB, RAS_32K_CLK_ENB, 0, &_lock); + clk_register_clkdev(clk, "ras_32k_clk", NULL); + + clk = clk_register_gate(NULL, "ras_24m_clk", "osc_24m_clk", 0, + RAS_CLK_ENB, RAS_24M_CLK_ENB, 0, &_lock); + clk_register_clkdev(clk, "ras_24m_clk", NULL); + + clk = clk_register_gate(NULL, "ras_pll1_clk", "pll1_clk", 0, + RAS_CLK_ENB, RAS_PLL1_CLK_ENB, 0, &_lock); + clk_register_clkdev(clk, "ras_pll1_clk", NULL); + + clk = clk_register_gate(NULL, "ras_pll2_clk", "pll2_clk", 0, + RAS_CLK_ENB, RAS_PLL2_CLK_ENB, 0, &_lock); + clk_register_clkdev(clk, "ras_pll2_clk", NULL); + + clk = clk_register_gate(NULL, "ras_pll3_clk", "pll3_clk", 0, + RAS_CLK_ENB, RAS_48M_CLK_ENB, 0, &_lock); + clk_register_clkdev(clk, "ras_pll3_clk", NULL); + + clk = clk_register_gate(NULL, "ras_syn0_gclk", "gen0_syn_gclk", + CLK_SET_RATE_PARENT, RAS_CLK_ENB, RAS_SYNT0_CLK_ENB, 0, + &_lock); + clk_register_clkdev(clk, "ras_syn0_gclk", NULL); + + clk = clk_register_gate(NULL, "ras_syn1_gclk", "gen1_syn_gclk", + CLK_SET_RATE_PARENT, RAS_CLK_ENB, RAS_SYNT1_CLK_ENB, 0, + &_lock); + clk_register_clkdev(clk, "ras_syn1_gclk", NULL); + + clk = clk_register_gate(NULL, "ras_syn2_gclk", "gen2_syn_gclk", + CLK_SET_RATE_PARENT, RAS_CLK_ENB, RAS_SYNT2_CLK_ENB, 0, + &_lock); + clk_register_clkdev(clk, "ras_syn2_gclk", NULL); + + clk = clk_register_gate(NULL, "ras_syn3_gclk", "gen3_syn_gclk", + CLK_SET_RATE_PARENT, RAS_CLK_ENB, RAS_SYNT3_CLK_ENB, 0, + &_lock); + clk_register_clkdev(clk, "ras_syn3_gclk", NULL); + + if (of_machine_is_compatible("st,spear300")) + spear300_clk_init(); + else if (of_machine_is_compatible("st,spear310")) + spear310_clk_init(); + else if (of_machine_is_compatible("st,spear320")) + spear320_clk_init(soc_config_base, ras_apb_clk); +} |