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aabca1569cb522c8ed95b51d6bfe2d81ff21a984
u-boot/drivers/spi
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Michael Walle 541a1649e7 spi: sunxi: fix clock divider calculation for max frequency setting 
If the maximum frequency is requested, we still fall into the CDR2
handling. But there the minimal divider is 2. For the sun6i and sun8i we
can do better with the CDR1 setting where the minimal divider is 1:
  SPI_CLK = MOD_CLK / 2 ^ cdr with cdr = 0

Thus, handle the div = 1 case specially.

While at it, correct the comment above the calculation.

Signed-off-by: Michael Walle <mwalle@kernel.org>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
2024-08-06 11:20:10 +01:00
..
altera_spi.c
Restore patch series "arm: dts: am62-beagleplay: Fix Beagleplay Ethernet"
2024-05-20 13:35:03 -06:00
apple_spi.c
Restore patch series "arm: dts: am62-beagleplay: Fix Beagleplay Ethernet"
2024-05-20 13:35:03 -06:00
atcspi200_spi.c
drivers: spi: Remove duplicate newlines
2024-07-22 10:53:06 -06:00
ath79_spi.c
drivers: spi: Remove duplicate newlines
2024-07-22 10:53:06 -06:00
atmel_spi.c
Restore patch series "arm: dts: am62-beagleplay: Fix Beagleplay Ethernet"
2024-05-20 13:35:03 -06:00
atmel_spi.h
…
atmel-quadspi.c
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2024-05-20 13:35:03 -06:00
bcm63xx_hsspi.c
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2024-05-20 13:35:03 -06:00
bcm63xx_spi.c
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2024-05-20 13:35:03 -06:00
bcmbca_hsspi.c
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2024-05-20 13:35:03 -06:00
bcmstb_spi.c
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ca_sflash.c
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2024-05-20 13:35:03 -06:00
cadence_ospi_versal.c
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2024-05-20 13:35:03 -06:00
cadence_qspi_apb.c
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2024-05-20 13:35:03 -06:00
cadence_qspi.c
spi: versal2: Enable spi drivers for Versal Gen 2
2024-06-17 16:02:29 +02:00
cadence_qspi.h
spi: cadence_qspi: Address the comparison failure for 0-8 bytes of data
2024-01-29 19:34:17 +05:30
cf_spi.c
Restore patch series "arm: dts: am62-beagleplay: Fix Beagleplay Ethernet"
2024-05-20 13:35:03 -06:00
cv1800b_spif.c
spi: cv1800b: Add spi nor flash controller driver for cv1800b SoC
2024-05-02 00:01:18 +08:00
davinci_spi.c
drivers: spi: Remove duplicate newlines
2024-07-22 10:53:06 -06:00
designware_spi.c
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2024-05-20 13:35:03 -06:00
exynos_spi.c
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2024-05-20 13:35:03 -06:00
fsl_dspi.c
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2024-05-20 13:35:03 -06:00
fsl_espi.c
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2024-05-20 13:35:03 -06:00
fsl_qspi.c
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2024-05-20 13:35:03 -06:00
gxp_spi.c
…
ich.c
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2024-05-20 13:35:03 -06:00
ich.h
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iproc_qspi.c
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2024-05-20 13:35:03 -06:00
Kconfig
spi: versal2: Enable spi drivers for Versal Gen 2
2024-06-17 16:02:29 +02:00
kirkwood_spi.c
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2024-05-20 13:35:03 -06:00
Makefile
spi: cv1800b: Add spi nor flash controller driver for cv1800b SoC
2024-05-02 00:01:18 +08:00
meson_spifc_a1.c
treewide: Remove clk_free
2024-01-29 22:35:02 -05:00
meson_spifc.c
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2024-05-20 13:35:03 -06:00
microchip_coreqspi.c
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2024-05-20 13:35:03 -06:00
mpc8xx_spi.c
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2024-05-20 13:35:03 -06:00
mpc8xxx_spi.c
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2024-05-20 13:35:03 -06:00
mscc_bb_spi.c
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2024-05-20 13:35:03 -06:00
mt7620_spi.c
…
mt7621_spi.c
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2024-05-20 13:35:03 -06:00
mtk_snfi_spi.c
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2024-05-20 13:35:03 -06:00
mtk_snor.c
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2024-05-20 13:35:03 -06:00
mtk_spim.c
spi: mtk_spim: add support for upstream mediatek, spi-ipm compatible
2024-07-08 11:45:50 -06:00
mvebu_a3700_spi.c
Restore patch series "arm: dts: am62-beagleplay: Fix Beagleplay Ethernet"
2024-05-20 13:35:03 -06:00
mxc_spi.c
drivers: spi: Remove duplicate newlines
2024-07-22 10:53:06 -06:00
mxs_spi.c
Restore patch series "arm: dts: am62-beagleplay: Fix Beagleplay Ethernet"
2024-05-20 13:35:03 -06:00
npcm_fiu_spi.c
spi: npcm-fiu: add regulator feature and remove set clock
2023-04-25 23:01:48 +05:30
npcm_pspi.c
Restore patch series "arm: dts: am62-beagleplay: Fix Beagleplay Ethernet"
2024-05-20 13:35:03 -06:00
nxp_fspi.c
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2024-05-20 13:35:03 -06:00
octeon_spi.c
…
omap3_spi.c
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2024-05-20 13:35:03 -06:00
pic32_spi.c
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2024-05-20 13:35:03 -06:00
pl022_spi.c
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2024-05-20 13:35:03 -06:00
renesas_rpc_spi.c
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2024-05-20 13:35:03 -06:00
rk_spi.c
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2024-05-20 13:35:03 -06:00
rk_spi.h
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rockchip_sfc.c
spi: rockchip_sfc: Use linux rockchip,sfc-no-dma prop
2023-05-18 08:44:04 +08:00
sandbox_spi.c
Restore patch series "arm: dts: am62-beagleplay: Fix Beagleplay Ethernet"
2024-05-20 13:35:03 -06:00
sh_qspi.c
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2024-05-20 13:35:03 -06:00
soft_spi.c
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2024-05-20 13:35:03 -06:00
spi-aspeed-smc.c
drivers: spi: Remove duplicate newlines
2024-07-22 10:53:06 -06:00
spi-emul-uclass.c
Restore patch series "arm: dts: am62-beagleplay: Fix Beagleplay Ethernet"
2024-05-20 13:35:03 -06:00
spi-mem-nodm.c
Merge tag 'v2024.01-rc3' into next
2023-11-20 09:19:50 -05:00
spi-mem.c
Restore patch series "arm: dts: am62-beagleplay: Fix Beagleplay Ethernet"
2024-05-20 13:35:03 -06:00
spi-mxic.c
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2024-05-20 13:35:03 -06:00
spi-qup.c
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2024-05-20 13:35:03 -06:00
spi-sifive.c
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2024-05-20 13:35:03 -06:00
spi-sn-f-ospi.c
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2024-05-20 13:35:03 -06:00
spi-sunxi.c
spi: sunxi: fix clock divider calculation for max frequency setting
2024-08-06 11:20:10 +01:00
spi-synquacer.c
Restore patch series "arm: dts: am62-beagleplay: Fix Beagleplay Ethernet"
2024-05-20 13:35:03 -06:00
spi-uclass.c
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2024-05-20 13:35:03 -06:00
spi.c
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2024-05-20 13:35:03 -06:00
stm32_qspi.c
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2024-05-20 13:35:03 -06:00
stm32_spi.c
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2024-05-20 13:35:03 -06:00
tegra20_sflash.c
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2024-05-20 13:35:03 -06:00
tegra20_slink.c
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2024-05-20 13:35:03 -06:00
tegra114_spi.c
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2024-05-20 13:35:03 -06:00
tegra210_qspi.c
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2024-05-20 13:35:03 -06:00
tegra_spi.h
…
ti_qspi.c
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2024-05-20 13:35:03 -06:00
uniphier_spi.c
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2024-05-20 13:35:03 -06:00
xilinx_spi.c
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2024-05-20 13:35:03 -06:00
zynq_qspi.c
Restore patch series "arm: dts: am62-beagleplay: Fix Beagleplay Ethernet"
2024-05-20 13:35:03 -06:00
zynq_spi.c
drivers: spi: Remove duplicate newlines
2024-07-22 10:53:06 -06:00
zynqmp_gqspi.c
spi: versal2: Enable spi drivers for Versal Gen 2
2024-06-17 16:02:29 +02:00