diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/dt-bindings/clock/cirrus,ep9301-syscon.h | 46 | ||||
| -rw-r--r-- | include/linux/platform_data/dma-ep93xx.h | 94 | ||||
| -rw-r--r-- | include/linux/platform_data/eth-ep93xx.h | 10 | ||||
| -rw-r--r-- | include/linux/platform_data/keypad-ep93xx.h | 32 | ||||
| -rw-r--r-- | include/linux/platform_data/spi-ep93xx.h | 15 | ||||
| -rw-r--r-- | include/linux/soc/cirrus/ep93xx.h | 47 |
6 files changed, 70 insertions, 174 deletions
diff --git a/include/dt-bindings/clock/cirrus,ep9301-syscon.h b/include/dt-bindings/clock/cirrus,ep9301-syscon.h new file mode 100644 index 000000000000..6bb8f532e7d0 --- /dev/null +++ b/include/dt-bindings/clock/cirrus,ep9301-syscon.h @@ -0,0 +1,46 @@ +/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */ +#ifndef DT_BINDINGS_CIRRUS_EP93XX_CLOCK_H +#define DT_BINDINGS_CIRRUS_EP93XX_CLOCK_H + +#define EP93XX_CLK_PLL1 0 +#define EP93XX_CLK_PLL2 1 + +#define EP93XX_CLK_FCLK 2 +#define EP93XX_CLK_HCLK 3 +#define EP93XX_CLK_PCLK 4 + +#define EP93XX_CLK_UART 5 +#define EP93XX_CLK_SPI 6 +#define EP93XX_CLK_PWM 7 +#define EP93XX_CLK_USB 8 + +#define EP93XX_CLK_M2M0 9 +#define EP93XX_CLK_M2M1 10 + +#define EP93XX_CLK_M2P0 11 +#define EP93XX_CLK_M2P1 12 +#define EP93XX_CLK_M2P2 13 +#define EP93XX_CLK_M2P3 14 +#define EP93XX_CLK_M2P4 15 +#define EP93XX_CLK_M2P5 16 +#define EP93XX_CLK_M2P6 17 +#define EP93XX_CLK_M2P7 18 +#define EP93XX_CLK_M2P8 19 +#define EP93XX_CLK_M2P9 20 + +#define EP93XX_CLK_UART1 21 +#define EP93XX_CLK_UART2 22 +#define EP93XX_CLK_UART3 23 + +#define EP93XX_CLK_ADC 24 +#define EP93XX_CLK_ADC_EN 25 + +#define EP93XX_CLK_KEYPAD 26 + +#define EP93XX_CLK_VIDEO 27 + +#define EP93XX_CLK_I2S_MCLK 28 +#define EP93XX_CLK_I2S_SCLK 29 +#define EP93XX_CLK_I2S_LRCLK 30 + +#endif /* DT_BINDINGS_CIRRUS_EP93XX_CLOCK_H */ diff --git a/include/linux/platform_data/dma-ep93xx.h b/include/linux/platform_data/dma-ep93xx.h deleted file mode 100644 index eb9805bb3fe8..000000000000 --- a/include/linux/platform_data/dma-ep93xx.h +++ /dev/null @@ -1,94 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef __ASM_ARCH_DMA_H -#define __ASM_ARCH_DMA_H - -#include <linux/types.h> -#include <linux/dmaengine.h> -#include <linux/dma-mapping.h> - -/* - * M2P channels. - * - * Note that these values are also directly used for setting the PPALLOC - * register. - */ -#define EP93XX_DMA_I2S1 0 -#define EP93XX_DMA_I2S2 1 -#define EP93XX_DMA_AAC1 2 -#define EP93XX_DMA_AAC2 3 -#define EP93XX_DMA_AAC3 4 -#define EP93XX_DMA_I2S3 5 -#define EP93XX_DMA_UART1 6 -#define EP93XX_DMA_UART2 7 -#define EP93XX_DMA_UART3 8 -#define EP93XX_DMA_IRDA 9 -/* M2M channels */ -#define EP93XX_DMA_SSP 10 -#define EP93XX_DMA_IDE 11 - -/** - * struct ep93xx_dma_data - configuration data for the EP93xx dmaengine - * @port: peripheral which is requesting the channel - * @direction: TX/RX channel - * @name: optional name for the channel, this is displayed in /proc/interrupts - * - * This information is passed as private channel parameter in a filter - * function. Note that this is only needed for slave/cyclic channels. For - * memcpy channels %NULL data should be passed. - */ -struct ep93xx_dma_data { - int port; - enum dma_transfer_direction direction; - const char *name; -}; - -/** - * struct ep93xx_dma_chan_data - platform specific data for a DMA channel - * @name: name of the channel, used for getting the right clock for the channel - * @base: mapped registers - * @irq: interrupt number used by this channel - */ -struct ep93xx_dma_chan_data { - const char *name; - void __iomem *base; - int irq; -}; - -/** - * struct ep93xx_dma_platform_data - platform data for the dmaengine driver - * @channels: array of channels which are passed to the driver - * @num_channels: number of channels in the array - * - * This structure is passed to the DMA engine driver via platform data. For - * M2P channels, contract is that even channels are for TX and odd for RX. - * There is no requirement for the M2M channels. - */ -struct ep93xx_dma_platform_data { - struct ep93xx_dma_chan_data *channels; - size_t num_channels; -}; - -static inline bool ep93xx_dma_chan_is_m2p(struct dma_chan *chan) -{ - return !strcmp(dev_name(chan->device->dev), "ep93xx-dma-m2p"); -} - -/** - * ep93xx_dma_chan_direction - returns direction the channel can be used - * @chan: channel - * - * This function can be used in filter functions to find out whether the - * channel supports given DMA direction. Only M2P channels have such - * limitation, for M2M channels the direction is configurable. - */ -static inline enum dma_transfer_direction -ep93xx_dma_chan_direction(struct dma_chan *chan) -{ - if (!ep93xx_dma_chan_is_m2p(chan)) - return DMA_TRANS_NONE; - - /* even channels are for TX, odd for RX */ - return (chan->chan_id % 2 == 0) ? DMA_MEM_TO_DEV : DMA_DEV_TO_MEM; -} - -#endif /* __ASM_ARCH_DMA_H */ diff --git a/include/linux/platform_data/eth-ep93xx.h b/include/linux/platform_data/eth-ep93xx.h deleted file mode 100644 index 8eef637a804d..000000000000 --- a/include/linux/platform_data/eth-ep93xx.h +++ /dev/null @@ -1,10 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _LINUX_PLATFORM_DATA_ETH_EP93XX -#define _LINUX_PLATFORM_DATA_ETH_EP93XX - -struct ep93xx_eth_data { - unsigned char dev_addr[6]; - unsigned char phy_id; -}; - -#endif diff --git a/include/linux/platform_data/keypad-ep93xx.h b/include/linux/platform_data/keypad-ep93xx.h deleted file mode 100644 index 3054fced8509..000000000000 --- a/include/linux/platform_data/keypad-ep93xx.h +++ /dev/null @@ -1,32 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef __KEYPAD_EP93XX_H -#define __KEYPAD_EP93XX_H - -struct matrix_keymap_data; - -/* flags for the ep93xx_keypad driver */ -#define EP93XX_KEYPAD_DISABLE_3_KEY (1<<0) /* disable 3-key reset */ -#define EP93XX_KEYPAD_DIAG_MODE (1<<1) /* diagnostic mode */ -#define EP93XX_KEYPAD_BACK_DRIVE (1<<2) /* back driving mode */ -#define EP93XX_KEYPAD_TEST_MODE (1<<3) /* scan only column 0 */ -#define EP93XX_KEYPAD_AUTOREPEAT (1<<4) /* enable key autorepeat */ - -/** - * struct ep93xx_keypad_platform_data - platform specific device structure - * @keymap_data: pointer to &matrix_keymap_data - * @debounce: debounce start count; terminal count is 0xff - * @prescale: row/column counter pre-scaler load value - * @flags: see above - */ -struct ep93xx_keypad_platform_data { - struct matrix_keymap_data *keymap_data; - unsigned int debounce; - unsigned int prescale; - unsigned int flags; - unsigned int clk_rate; -}; - -#define EP93XX_MATRIX_ROWS (8) -#define EP93XX_MATRIX_COLS (8) - -#endif /* __KEYPAD_EP93XX_H */ diff --git a/include/linux/platform_data/spi-ep93xx.h b/include/linux/platform_data/spi-ep93xx.h deleted file mode 100644 index b439f2a896e0..000000000000 --- a/include/linux/platform_data/spi-ep93xx.h +++ /dev/null @@ -1,15 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef __ASM_MACH_EP93XX_SPI_H -#define __ASM_MACH_EP93XX_SPI_H - -struct spi_device; - -/** - * struct ep93xx_spi_info - EP93xx specific SPI descriptor - * @use_dma: use DMA for the transfers - */ -struct ep93xx_spi_info { - bool use_dma; -}; - -#endif /* __ASM_MACH_EP93XX_SPI_H */ diff --git a/include/linux/soc/cirrus/ep93xx.h b/include/linux/soc/cirrus/ep93xx.h index 56fbe2dc59b1..3e6cf2b25a97 100644 --- a/include/linux/soc/cirrus/ep93xx.h +++ b/include/linux/soc/cirrus/ep93xx.h @@ -2,7 +2,18 @@ #ifndef _SOC_EP93XX_H #define _SOC_EP93XX_H -struct platform_device; +struct regmap; +struct spinlock_t; + +enum ep93xx_soc_model { + EP93XX_9301_SOC, + EP93XX_9307_SOC, + EP93XX_9312_SOC, +}; + +#include <linux/auxiliary_bus.h> +#include <linux/compiler_types.h> +#include <linux/container_of.h> #define EP93XX_CHIP_REV_D0 3 #define EP93XX_CHIP_REV_D1 4 @@ -10,28 +21,18 @@ struct platform_device; #define EP93XX_CHIP_REV_E1 6 #define EP93XX_CHIP_REV_E2 7 -#ifdef CONFIG_ARCH_EP93XX -int ep93xx_pwm_acquire_gpio(struct platform_device *pdev); -void ep93xx_pwm_release_gpio(struct platform_device *pdev); -int ep93xx_ide_acquire_gpio(struct platform_device *pdev); -void ep93xx_ide_release_gpio(struct platform_device *pdev); -int ep93xx_keypad_acquire_gpio(struct platform_device *pdev); -void ep93xx_keypad_release_gpio(struct platform_device *pdev); -int ep93xx_i2s_acquire(void); -void ep93xx_i2s_release(void); -unsigned int ep93xx_chip_revision(void); +struct ep93xx_regmap_adev { + struct auxiliary_device adev; + struct regmap *map; + void __iomem *base; + spinlock_t *lock; + void (*write)(struct regmap *map, spinlock_t *lock, unsigned int reg, + unsigned int val); + void (*update_bits)(struct regmap *map, spinlock_t *lock, + unsigned int reg, unsigned int mask, unsigned int val); +}; -#else -static inline int ep93xx_pwm_acquire_gpio(struct platform_device *pdev) { return 0; } -static inline void ep93xx_pwm_release_gpio(struct platform_device *pdev) {} -static inline int ep93xx_ide_acquire_gpio(struct platform_device *pdev) { return 0; } -static inline void ep93xx_ide_release_gpio(struct platform_device *pdev) {} -static inline int ep93xx_keypad_acquire_gpio(struct platform_device *pdev) { return 0; } -static inline void ep93xx_keypad_release_gpio(struct platform_device *pdev) {} -static inline int ep93xx_i2s_acquire(void) { return 0; } -static inline void ep93xx_i2s_release(void) {} -static inline unsigned int ep93xx_chip_revision(void) { return 0; } - -#endif +#define to_ep93xx_regmap_adev(_adev) \ + container_of((_adev), struct ep93xx_regmap_adev, adev) #endif |