diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2026-08-19 09:47:41 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2026-08-19 09:47:41 -0700 |
| commit | 307b9ddbbcf987db77d52da6f9ff5b4096ac9599 (patch) | |
| tree | 1980cc69ac47eeb544e0c58079b88ebcd273932b /include | |
| parent | b3438e5ca785565a65ef231bc03cd5a05c3be5c7 (diff) | |
| parent | 23688febe4b44b10f4b454eb1cde0ba379a84119 (diff) | |
| download | linux-307b9ddbbcf987db77d52da6f9ff5b4096ac9599.tar.gz linux-307b9ddbbcf987db77d52da6f9ff5b4096ac9599.zip | |
Merge tag 'spi-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"Along with a lot of driver specific work we've got a couple of core
features here. The bigger one is that we've now got support for
instantiating devices from sysfs similarly to how it's already done
for I2C, this is used with development boards with non-enumerable
expansion headers since SPI devices need to be manually specified. We
also have support for the DQS signal on higher end flash devices.
- Support for instantiating devices from sysfs, useful for
development boards with non-enumerable plugin modules, from
Vishwaroop A.
- Support for DQS in spi-mem, an additional signal used by flash
devices to avoid clock skew from Miquel Raynal.
- Support for more advanced SPI modes on DesignWare controllers from
Sudip Mukherjee.
- Changes from Jisheng Zhang to update to modern methods of
specifying the PM callbacks.
- Fixes for DMA mapping error handling, plus KUnit tests for this,
from Honghui Jiang.
- Substantial cleanup and performance work in the nxp-spi driver.
- Support for Microchip LAN969x, Nuvoton MA35D1 QSPI, Qualcomm
SA8255p and SA8797P, and StarFive JHB100 SFC"
* tag 'spi-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (132 commits)
spi: Add KUnit coverage for DMA mapping error paths
spi: Clear current DMA devices when unmapping a message
spi: Move __spi_unmap_msg() before __spi_map_msg()
spi: Fix DMA mapping ownership on partial map failure
spi: dt-bindings: sun6i: Add compatibles for A733's SPI controllers
spi: ma35d1-qspi: Use the existing update helper
spi: ma35d1-qspi: Add DTR support
spi: ma35d1-qspi: Allow several command bytes
spi: ma35d1-qspi: Move speed setting to bus configuration
spi: ma35d1-qspi: Remove redundant reset operation
spi: dw: Remove shadowed dws in dw_spi_setup()
spi: img-spfi: don't disable runtime PM on DMA deferred probe
spi: mtk-nor: Propagate errors from IRQ request
spi: mtk-nor: Propagate errors from optional IRQ lookup
spi: spi-qpic-snand: Handle Macronix quad read opcode 0x6b
spi: spi-qpic-snand: add quad mode support
spi: spi-qpic-snand: move command mapping helper
spi: hisi-sfc-v3xx: Propagate errors from optional IRQ lookup
spi: meson-spifc: use devm_pm_runtime_set_active_enabled
spi: sprd-adi: Fix probe succeeding without registering the controller
...
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/soc/qcom/geni-se.h | 38 | ||||
| -rw-r--r-- | include/linux/spi/spi-mem.h | 4 | ||||
| -rw-r--r-- | include/linux/spi/spi.h | 18 | ||||
| -rw-r--r-- | include/trace/events/qcom_geni_se.h | 157 |
4 files changed, 217 insertions, 0 deletions
diff --git a/include/linux/soc/qcom/geni-se.h b/include/linux/soc/qcom/geni-se.h index 0991ef7ec092..29a53bbc0dd4 100644 --- a/include/linux/soc/qcom/geni-se.h +++ b/include/linux/soc/qcom/geni-se.h @@ -81,13 +81,16 @@ struct geni_se { }; /* Common SE registers */ +#define GENI_GENERAL_CFG 0x10 #define GENI_FORCE_DEFAULT_REG 0x20 #define GENI_OUTPUT_CTRL 0x24 #define SE_GENI_STATUS 0x40 #define GENI_SER_M_CLK_CFG 0x48 #define GENI_SER_S_CLK_CFG 0x4c +#define GENI_CLK_CTRL_RO 0x60 #define GENI_IF_DISABLE_RO 0x64 #define GENI_FW_REVISION_RO 0x68 +#define GENI_FW_MULTILOCK_MSA_RO 0x74 #define SE_GENI_CLK_SEL 0x7c #define SE_GENI_CFG_SEQ_START 0x84 #define SE_GENI_DMA_MODE_EN 0x258 @@ -98,6 +101,8 @@ struct geni_se { #define SE_GENI_M_IRQ_CLEAR 0x618 #define SE_GENI_M_IRQ_EN_SET 0x61c #define SE_GENI_M_IRQ_EN_CLEAR 0x620 +#define M_CMD_ERR_STATUS 0x624 +#define M_FW_ERR_STATUS 0x628 #define SE_GENI_S_CMD0 0x630 #define SE_GENI_S_CMD_CTRL_REG 0x634 #define SE_GENI_S_IRQ_STATUS 0x640 @@ -115,16 +120,43 @@ struct geni_se { #define SE_GENI_IOS 0x908 #define SE_GENI_M_GP_LENGTH 0x910 #define SE_GENI_S_GP_LENGTH 0x914 +/* TX DMA registers */ +#define SE_DMA_TX_PTR_L 0xc30 +#define SE_DMA_TX_PTR_H 0xc34 +#define SE_DMA_TX_ATTR 0xc38 +#define SE_DMA_TX_LEN 0xc3c #define SE_DMA_TX_IRQ_STAT 0xc40 #define SE_DMA_TX_IRQ_CLR 0xc44 +#define SE_DMA_TX_IRQ_EN 0xc48 +#define SE_DMA_TX_IRQ_EN_SET 0xc4c +#define SE_DMA_TX_IRQ_EN_CLR 0xc50 +#define SE_DMA_TX_LEN_IN 0xc54 #define SE_DMA_TX_FSM_RST 0xc58 +#define SE_DMA_TX_MAX_BURST 0xc5c +/* RX DMA registers */ +#define SE_DMA_RX_PTR_L 0xd30 +#define SE_DMA_RX_PTR_H 0xd34 +#define SE_DMA_RX_ATTR 0xd38 +#define SE_DMA_RX_LEN 0xd3c #define SE_DMA_RX_IRQ_STAT 0xd40 #define SE_DMA_RX_IRQ_CLR 0xd44 +#define SE_DMA_RX_IRQ_EN 0xd48 +#define SE_DMA_RX_IRQ_EN_SET 0xd4c +#define SE_DMA_RX_IRQ_EN_CLR 0xd50 #define SE_DMA_RX_LEN_IN 0xd54 #define SE_DMA_RX_FSM_RST 0xd58 +#define SE_DMA_RX_MAX_BURST 0xd5c +/* DMA general / debug registers */ +#define SE_GSI_EVENT_EN 0xe18 +#define SE_IRQ_EN 0xe1c +#define DMA_IF_EN_RO 0xe20 #define SE_HW_PARAM_0 0xe24 #define SE_HW_PARAM_1 0xe28 #define SE_HW_PARAM_2 0xe2c +#define DMA_GENERAL_CFG 0xe30 +#define SE_DMA_QSB_TRANS_CFG 0xe38 +#define SE_DMA_DEBUG_REG0 0xe40 +#define SE_DMA_IF_EN 0x2004 /* GENI_FORCE_DEFAULT_REG fields */ #define FORCE_DEFAULT BIT(0) @@ -270,6 +302,12 @@ struct geni_se { #define RX_GENI_GP_IRQ_EXT GENMASK(13, 12) #define RX_GENI_CANCEL_IRQ BIT(14) +/* SE_DMA_DEBUG_REG0 fields */ +#define DMA_TX_ACTIVE BIT(0) +#define DMA_RX_ACTIVE BIT(1) +#define DMA_TX_STATE GENMASK(7, 4) +#define DMA_RX_STATE GENMASK(11, 8) + /* SE_HW_PARAM_0 fields */ #define TX_FIFO_WIDTH_MSK GENMASK(29, 24) #define TX_FIFO_WIDTH_SHFT 24 diff --git a/include/linux/spi/spi-mem.h b/include/linux/spi/spi-mem.h index f660bb2e9f85..0cce6b57242a 100644 --- a/include/linux/spi/spi-mem.h +++ b/include/linux/spi/spi-mem.h @@ -275,6 +275,7 @@ struct spi_mem_dirmap_desc { * @spi: the underlying SPI device * @drvpriv: spi_mem_driver private data * @name: name of the SPI memory device + * @dqs: extra data trobe pin available for high frequency read operations * * Extra information that describe the SPI memory device and may be needed by * the controller to properly handle this device should be placed here. @@ -286,6 +287,7 @@ struct spi_mem { struct spi_device *spi; void *drvpriv; const char *name; + bool dqs; }; /** @@ -461,6 +463,8 @@ bool spi_mem_default_supports_op(struct spi_mem *mem, } #endif /* CONFIG_SPI_MEM */ +void spi_mem_set_dqs(struct spi_mem *mem); +bool spi_mem_has_dqs(struct spi_mem *mem); int spi_mem_adjust_op_size(struct spi_mem *mem, struct spi_mem_op *op); void spi_mem_adjust_op_freq(struct spi_mem *mem, struct spi_mem_op *op); u64 spi_mem_calc_op_duration(struct spi_mem *mem, struct spi_mem_op *op); diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index 4c285d3ede1d..88d17fce02dc 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -179,6 +179,8 @@ extern void spi_transfer_cs_change_delay_exec(struct spi_message *msg, * @num_tx_lanes: Number of transmit lanes wired up. * @rx_lane_map: Map of peripheral lanes (index) to controller lanes (value). * @num_rx_lanes: Number of receive lanes wired up. + * @userspace_node: entry on the parent controller's userspace_clients list + * when this device was instantiated via the sysfs new_device interface * * A @spi_device is used to interchange data between an SPI target device * (usually a discrete chip) and CPU memory. @@ -252,6 +254,10 @@ struct spi_device { u8 rx_lane_map[SPI_DEVICE_DATA_LANE_CNT_MAX]; u8 num_rx_lanes; +#if IS_ENABLED(CONFIG_SPI_DYNAMIC) + struct list_head userspace_node; +#endif + /* * Likely need more hooks for more protocol options affecting how * the controller talks to each chip, like: @@ -555,6 +561,11 @@ extern struct spi_device *devm_spi_new_ancillary_device(struct spi_device *spi, * @defer_optimize_message: set to true if controller cannot pre-optimize messages * and needs to defer the optimization step until the message is actually * being transferred + * @userspace_clients: list of SPI devices instantiated from userspace via + * the sysfs new_device interface; protected by @add_lock + * @userspace_registered: true once the new_device/delete_device sysfs + * group has been added by spi_register_controller(); used by + * spi_unregister_controller() to know whether to remove it * * Each SPI controller can communicate with one or more @spi_device * children. These make a small bus, sharing MOSI, MISO and SCK signals @@ -807,6 +818,13 @@ struct spi_controller { bool queue_empty; bool must_async; bool defer_optimize_message; + +#if IS_ENABLED(CONFIG_SPI_DYNAMIC) + /* List of userspace-instantiated devices; protected by @add_lock */ + struct list_head userspace_clients; + /* True after new_device/delete_device sysfs group is created */ + bool userspace_registered; +#endif }; static inline void *spi_controller_get_devdata(struct spi_controller *ctlr) diff --git a/include/trace/events/qcom_geni_se.h b/include/trace/events/qcom_geni_se.h new file mode 100644 index 000000000000..4a6e1ba2d147 --- /dev/null +++ b/include/trace/events/qcom_geni_se.h @@ -0,0 +1,157 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries. + */ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM qcom_geni_se + +#if !defined(_TRACE_QCOM_GENI_SE_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_QCOM_GENI_SE_H + +#include <linux/io.h> +#include <linux/tracepoint.h> +#include <linux/soc/qcom/geni-se.h> + +TRACE_EVENT(geni_se_regs, + TP_PROTO(struct geni_se *se), + + TP_ARGS(se), + + TP_STRUCT__entry(__string(geni_se_name, dev_name(se->dev)) + __field(u32, geni_se_m_cmd0) + __field(u32, geni_se_m_irq_status) + __field(u32, geni_se_s_cmd0) + __field(u32, geni_se_s_irq_status) + __field(u32, geni_se_status) + __field(u32, geni_se_ios) + __field(u32, geni_se_m_cmd_ctrl) + __field(u32, geni_se_m_cmd_err) + __field(u32, geni_se_m_fw_err) + __field(u32, geni_se_tx_fifo_status) + __field(u32, geni_se_rx_fifo_status) + __field(u32, geni_se_tx_watermark) + __field(u32, geni_se_rx_watermark) + __field(u32, geni_se_rx_watermark_rfr) + __field(u32, geni_se_m_gp_length) + __field(u32, geni_se_s_gp_length) + __field(u32, geni_se_dma_tx_irq) + __field(u32, geni_se_dma_rx_irq) + __field(u32, geni_se_dma_tx_irq_en) + __field(u32, geni_se_dma_rx_irq_en) + __field(u32, geni_se_dma_rx_len) + __field(u32, geni_se_dma_rx_len_in) + __field(u32, geni_se_dma_tx_len) + __field(u32, geni_se_dma_tx_len_in) + __field(u32, geni_se_dma_tx_ptr_l) + __field(u32, geni_se_dma_tx_ptr_h) + __field(u32, geni_se_dma_rx_ptr_l) + __field(u32, geni_se_dma_rx_ptr_h) + __field(u32, geni_se_dma_tx_attr) + __field(u32, geni_se_dma_tx_max_burst) + __field(u32, geni_se_dma_rx_attr) + __field(u32, geni_se_dma_rx_max_burst) + __field(u32, geni_se_dma_if_en) + __field(u32, geni_se_dma_if_en_ro) + __field(u32, geni_se_dma_general_cfg) + __field(u32, geni_se_dma_qsb_trans_cfg) + __field(u32, geni_se_dma_dbg) + __field(u32, geni_se_m_irq_en) + __field(u32, geni_se_s_irq_en) + __field(u32, geni_se_gsi_event_en) + __field(u32, geni_se_irq_en) + __field(u32, geni_se_ser_m_clk_cfg) + __field(u32, geni_se_ser_s_clk_cfg) + __field(u32, geni_se_general_cfg) + __field(u32, geni_se_output_ctrl) + __field(u32, geni_se_clk_ctrl_ro) + __field(u32, geni_se_fifo_if_disable) + __field(u32, geni_se_fw_multilock_msa) + __field(u32, geni_se_clk_sel) + ), + + TP_fast_assign(__assign_str(geni_se_name); + __entry->geni_se_m_cmd0 = readl(se->base + SE_GENI_M_CMD0); + __entry->geni_se_m_irq_status = readl(se->base + SE_GENI_M_IRQ_STATUS); + __entry->geni_se_s_cmd0 = readl(se->base + SE_GENI_S_CMD0); + __entry->geni_se_s_irq_status = readl(se->base + SE_GENI_S_IRQ_STATUS); + __entry->geni_se_status = readl(se->base + SE_GENI_STATUS); + __entry->geni_se_ios = readl(se->base + SE_GENI_IOS); + __entry->geni_se_m_cmd_ctrl = readl(se->base + SE_GENI_M_CMD_CTRL_REG); + __entry->geni_se_m_cmd_err = readl(se->base + M_CMD_ERR_STATUS); + __entry->geni_se_m_fw_err = readl(se->base + M_FW_ERR_STATUS); + __entry->geni_se_tx_fifo_status = readl(se->base + SE_GENI_TX_FIFO_STATUS); + __entry->geni_se_rx_fifo_status = readl(se->base + SE_GENI_RX_FIFO_STATUS); + __entry->geni_se_tx_watermark = readl(se->base + SE_GENI_TX_WATERMARK_REG); + __entry->geni_se_rx_watermark = readl(se->base + SE_GENI_RX_WATERMARK_REG); + __entry->geni_se_rx_watermark_rfr = readl(se->base + SE_GENI_RX_RFR_WATERMARK_REG); + __entry->geni_se_m_gp_length = readl(se->base + SE_GENI_M_GP_LENGTH); + __entry->geni_se_s_gp_length = readl(se->base + SE_GENI_S_GP_LENGTH); + __entry->geni_se_dma_tx_irq = readl(se->base + SE_DMA_TX_IRQ_STAT); + __entry->geni_se_dma_rx_irq = readl(se->base + SE_DMA_RX_IRQ_STAT); + __entry->geni_se_dma_tx_irq_en = readl(se->base + SE_DMA_TX_IRQ_EN); + __entry->geni_se_dma_rx_irq_en = readl(se->base + SE_DMA_RX_IRQ_EN); + __entry->geni_se_dma_rx_len = readl(se->base + SE_DMA_RX_LEN); + __entry->geni_se_dma_rx_len_in = readl(se->base + SE_DMA_RX_LEN_IN); + __entry->geni_se_dma_tx_len = readl(se->base + SE_DMA_TX_LEN); + __entry->geni_se_dma_tx_len_in = readl(se->base + SE_DMA_TX_LEN_IN); + __entry->geni_se_dma_tx_ptr_l = readl(se->base + SE_DMA_TX_PTR_L); + __entry->geni_se_dma_tx_ptr_h = readl(se->base + SE_DMA_TX_PTR_H); + __entry->geni_se_dma_rx_ptr_l = readl(se->base + SE_DMA_RX_PTR_L); + __entry->geni_se_dma_rx_ptr_h = readl(se->base + SE_DMA_RX_PTR_H); + __entry->geni_se_dma_tx_attr = readl(se->base + SE_DMA_TX_ATTR); + __entry->geni_se_dma_tx_max_burst = readl(se->base + SE_DMA_TX_MAX_BURST); + __entry->geni_se_dma_rx_attr = readl(se->base + SE_DMA_RX_ATTR); + __entry->geni_se_dma_rx_max_burst = readl(se->base + SE_DMA_RX_MAX_BURST); + __entry->geni_se_dma_if_en = readl(se->base + SE_DMA_IF_EN); + __entry->geni_se_dma_if_en_ro = readl(se->base + DMA_IF_EN_RO); + __entry->geni_se_dma_general_cfg = readl(se->base + DMA_GENERAL_CFG); + __entry->geni_se_dma_qsb_trans_cfg = readl(se->base + SE_DMA_QSB_TRANS_CFG); + __entry->geni_se_dma_dbg = readl(se->base + SE_DMA_DEBUG_REG0); + __entry->geni_se_m_irq_en = readl(se->base + SE_GENI_M_IRQ_EN); + __entry->geni_se_s_irq_en = readl(se->base + SE_GENI_S_IRQ_EN); + __entry->geni_se_gsi_event_en = readl(se->base + SE_GSI_EVENT_EN); + __entry->geni_se_irq_en = readl(se->base + SE_IRQ_EN); + __entry->geni_se_ser_m_clk_cfg = readl(se->base + GENI_SER_M_CLK_CFG); + __entry->geni_se_ser_s_clk_cfg = readl(se->base + GENI_SER_S_CLK_CFG); + __entry->geni_se_general_cfg = readl(se->base + GENI_GENERAL_CFG); + __entry->geni_se_output_ctrl = readl(se->base + GENI_OUTPUT_CTRL); + __entry->geni_se_clk_ctrl_ro = readl(se->base + GENI_CLK_CTRL_RO); + __entry->geni_se_fifo_if_disable = readl(se->base + GENI_IF_DISABLE_RO); + __entry->geni_se_fw_multilock_msa = readl(se->base + GENI_FW_MULTILOCK_MSA_RO); + __entry->geni_se_clk_sel = readl(se->base + SE_GENI_CLK_SEL); + ), + + TP_printk("%s: m_cmd0=0x%08x m_irq_status=0x%08x s_cmd0=0x%08x s_irq_status=0x%08x geni_status=0x%08x geni_ios=0x%08x m_cmd_ctrl=0x%08x m_cmd_err=0x%08x m_fw_err=0x%08x tx_fifo_sts=0x%08x rx_fifo_sts=0x%08x tx_watermark=0x%08x rx_watermark=0x%08x rx_watermark_rfr=0x%08x m_gp_length=0x%08x s_gp_length=0x%08x dma_tx_irq=0x%08x dma_rx_irq=0x%08x dma_tx_irq_en=0x%08x dma_rx_irq_en=0x%08x dma_rx_len=0x%08x dma_rx_len_in=0x%08x dma_tx_len=0x%08x dma_tx_len_in=0x%08x dma_tx_ptr_l=0x%08x dma_tx_ptr_h=0x%08x dma_rx_ptr_l=0x%08x dma_rx_ptr_h=0x%08x dma_tx_attr=0x%08x dma_tx_max_burst=0x%08x dma_rx_attr=0x%08x dma_rx_max_burst=0x%08x dma_if_en=0x%08x dma_if_en_ro=0x%08x dma_general_cfg=0x%08x dma_qsb_trans_cfg=0x%08x dma_dbg=0x%08x m_irq_en=0x%08x s_irq_en=0x%08x gsi_event_en=0x%08x se_irq_en=0x%08x ser_m_clk_cfg=0x%08x ser_s_clk_cfg=0x%08x general_cfg=0x%08x output_ctrl=0x%08x clk_ctrl_ro=0x%08x fifo_if_dis=0x%08x fw_multilock_msa=0x%08x clk_sel=0x%08x", + __get_str(geni_se_name), + __entry->geni_se_m_cmd0, __entry->geni_se_m_irq_status, + __entry->geni_se_s_cmd0, __entry->geni_se_s_irq_status, + __entry->geni_se_status, __entry->geni_se_ios, + __entry->geni_se_m_cmd_ctrl, + __entry->geni_se_m_cmd_err, __entry->geni_se_m_fw_err, + __entry->geni_se_tx_fifo_status, __entry->geni_se_rx_fifo_status, + __entry->geni_se_tx_watermark, __entry->geni_se_rx_watermark, + __entry->geni_se_rx_watermark_rfr, + __entry->geni_se_m_gp_length, __entry->geni_se_s_gp_length, + __entry->geni_se_dma_tx_irq, __entry->geni_se_dma_rx_irq, + __entry->geni_se_dma_tx_irq_en, __entry->geni_se_dma_rx_irq_en, + __entry->geni_se_dma_rx_len, __entry->geni_se_dma_rx_len_in, + __entry->geni_se_dma_tx_len, __entry->geni_se_dma_tx_len_in, + __entry->geni_se_dma_tx_ptr_l, __entry->geni_se_dma_tx_ptr_h, + __entry->geni_se_dma_rx_ptr_l, __entry->geni_se_dma_rx_ptr_h, + __entry->geni_se_dma_tx_attr, __entry->geni_se_dma_tx_max_burst, + __entry->geni_se_dma_rx_attr, __entry->geni_se_dma_rx_max_burst, + __entry->geni_se_dma_if_en, __entry->geni_se_dma_if_en_ro, + __entry->geni_se_dma_general_cfg, __entry->geni_se_dma_qsb_trans_cfg, + __entry->geni_se_dma_dbg, + __entry->geni_se_m_irq_en, __entry->geni_se_s_irq_en, + __entry->geni_se_gsi_event_en, __entry->geni_se_irq_en, + __entry->geni_se_ser_m_clk_cfg, __entry->geni_se_ser_s_clk_cfg, + __entry->geni_se_general_cfg, __entry->geni_se_output_ctrl, + __entry->geni_se_clk_ctrl_ro, __entry->geni_se_fifo_if_disable, + __entry->geni_se_fw_multilock_msa, __entry->geni_se_clk_sel) +); + +#endif /* _TRACE_QCOM_GENI_SE_H */ + +/* This part must be outside protection */ +#include <trace/define_trace.h> |
