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3f7c01ade2
This driver can handle the clock controllers of the socs mentioned above, as they share a common clock tree with only small differences. The clock structure is built according to the manuals of the included SoCs and might include changes in comparison to the previous clock structure. As pll-rate-tables only the 12mhz variants are currently included. The original code was wrongly checking for 169mhz xti values [a 0 to much at the end], so the original 16mhz pll table would have never been included and its values are so obscure that I have no possibility to at least check their sane-ness. When using the formula from the manual the resulting frequency is near the table value but still slightly off. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Acked-by: Mike Turquette <mturquette@linaro.org> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
63 lines
1.4 KiB
C
63 lines
1.4 KiB
C
/*
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* Copyright (c) 2013 Heiko Stuebner <heiko@sntech.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* Device Tree binding constants clock controllers of Samsung S3C2410 and later.
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*/
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#ifndef _DT_BINDINGS_CLOCK_SAMSUNG_S3C2410_CLOCK_H
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#define _DT_BINDINGS_CLOCK_SAMSUNG_S3C2410_CLOCK_H
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/*
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* Let each exported clock get a unique index, which is used on DT-enabled
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* platforms to lookup the clock from a clock specifier. These indices are
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* therefore considered an ABI and so must not be changed. This implies
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* that new clocks should be added either in free spaces between clock groups
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* or at the end.
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*/
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/* Core clocks. */
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/* id 1 is reserved */
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#define MPLL 2
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#define UPLL 3
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#define FCLK 4
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#define HCLK 5
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#define PCLK 6
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#define UCLK 7
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#define ARMCLK 8
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/* pclk-gates */
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#define PCLK_UART0 16
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#define PCLK_UART1 17
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#define PCLK_UART2 18
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#define PCLK_I2C 19
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#define PCLK_SDI 20
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#define PCLK_SPI 21
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#define PCLK_ADC 22
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#define PCLK_AC97 23
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#define PCLK_I2S 24
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#define PCLK_PWM 25
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#define PCLK_RTC 26
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#define PCLK_GPIO 27
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/* hclk-gates */
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#define HCLK_LCD 32
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#define HCLK_USBH 33
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#define HCLK_USBD 34
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#define HCLK_NAND 35
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#define HCLK_CAM 36
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#define CAMIF 40
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/* Total number of clocks. */
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#define NR_CLKS (CAMIF + 1)
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#endif /* _DT_BINDINGS_CLOCK_SAMSUNG_S3C2443_CLOCK_H */
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