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82863a99c0
Add the get_lcd_clk() function to get the LCD pixel clock rate. The patch has been tested on imx6ul platform. Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
89 lines
2 KiB
C
89 lines
2 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* (C) Copyright 2009
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* Stefano Babic, DENX Software Engineering, sbabic@denx.de.
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*/
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#ifndef __ASM_ARCH_CLOCK_H
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#define __ASM_ARCH_CLOCK_H
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#include <linux/types.h>
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#ifdef CONFIG_SYS_MX6_HCLK
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#define MXC_HCLK CONFIG_SYS_MX6_HCLK
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#else
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#define MXC_HCLK 24000000
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#endif
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#ifdef CONFIG_SYS_MX6_CLK32
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#define MXC_CLK32 CONFIG_SYS_MX6_CLK32
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#else
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#define MXC_CLK32 32768
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#endif
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struct cmd_tbl;
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enum mxc_clock {
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MXC_ARM_CLK = 0,
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MXC_PER_CLK,
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MXC_AHB_CLK,
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MXC_IPG_CLK,
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MXC_IPG_PERCLK,
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MXC_UART_CLK,
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MXC_CSPI_CLK,
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MXC_AXI_CLK,
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MXC_EMI_SLOW_CLK,
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MXC_DDR_CLK,
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MXC_ESDHC_CLK,
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MXC_ESDHC2_CLK,
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MXC_ESDHC3_CLK,
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MXC_ESDHC4_CLK,
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MXC_SATA_CLK,
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MXC_NFC_CLK,
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MXC_I2C_CLK,
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MXC_LCDIF1_CLK,
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MXC_LCDIF2_CLK,
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};
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enum ldb_di_clock {
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MXC_PLL5_CLK = 0,
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MXC_PLL2_PFD0_CLK,
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MXC_PLL2_PFD2_CLK,
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MXC_MMDC_CH1_CLK,
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MXC_PLL3_SW_CLK,
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};
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enum enet_freq {
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ENET_25MHZ,
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ENET_50MHZ,
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ENET_100MHZ,
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ENET_125MHZ,
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};
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u32 imx_get_uartclk(void);
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u32 imx_get_fecclk(void);
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unsigned int mxc_get_clock(enum mxc_clock clk);
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void setup_gpmi_io_clk(u32 cfg);
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void hab_caam_clock_enable(unsigned char enable);
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void enable_ocotp_clk(unsigned char enable);
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void enable_usboh3_clk(unsigned char enable);
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void enable_uart_clk(unsigned char enable);
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int enable_usdhc_clk(unsigned char enable, unsigned bus_num);
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int enable_sata_clock(void);
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void disable_sata_clock(void);
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int enable_pcie_clock(void);
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int enable_i2c_clk(unsigned char enable, unsigned i2c_num);
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int enable_spi_clk(unsigned char enable, unsigned spi_num);
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void enable_ipu_clock(void);
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void disable_ipu_clock(void);
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int enable_fec_anatop_clock(int fec_id, enum enet_freq freq);
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void enable_enet_clk(unsigned char enable);
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int enable_lcdif_clock(u32 base_addr, bool enable);
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void enable_qspi_clk(int qspi_num);
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void enable_thermal_clk(void);
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void mxs_set_lcdclk(u32 base_addr, u32 freq);
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void select_ldb_di_clock_source(enum ldb_di_clock clk);
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void enable_eim_clk(unsigned char enable);
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int do_mx6_showclocks(struct cmd_tbl *cmdtp, int flag, int argc,
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char *const argv[]);
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#endif /* __ASM_ARCH_CLOCK_H */
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