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5866f9b024
This involves rebasing the patches and resolving any conflicts arising from changes in the base kernel between the previous supported version and 6.12. Tested-by: Jingkun Zheng <mx@kevinmx.top> Tested-by: Zhu Yujie <libriunc@gmail.com> Tested-by: Chuanhong Guo gch981213@gmail.com Signed-off-by: Zhu Yujie <libriunc@gmail.com> Link: https://github.com/openwrt/openwrt/pull/20555 Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
47 lines
1.6 KiB
Diff
47 lines
1.6 KiB
Diff
From: Chuanhong Guo <gch981213@gmail.com>
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Date: Thu, 19 Sep 2024 10:02:16 +0800
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Subject: [PATCH 17/20] spi: add support for sf21-qspi
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Add support for the QSPI controller found on Siflower SF21A6826
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and SF21H8898.
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It is based on ARM PL022, with custom modifications to support
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Dual/Quad SPI modes.
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A new driver is created because this modified controller is
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supported under the SPI-MEM framework. While the setup procedure
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is a bit similar to the spi-pl022.c, there aren't much code
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shared between them.
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Signed-off-by: Qingfang Deng <qingfang.deng@siflower.com.cn>
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Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
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---
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drivers/spi/Kconfig | 7 +++++++
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drivers/spi/Makefile | 1 +
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2 files changed, 8 insertions(+)
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--- a/drivers/spi/Kconfig
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+++ b/drivers/spi/Kconfig
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@@ -977,6 +977,13 @@ config SPI_SIFIVE
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help
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This exposes the SPI controller IP from SiFive.
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+config SPI_SF21_QSPI
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+ tristate "Siflower SF21A6826/SF21H8898 QSPI controller"
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+ depends on ARCH_SIFLOWER || COMPILE_TEST
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+ help
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+ This enables support for the SPI controller present on the
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+ Siflower SF21A6826/SF21H8898 SoCs.
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+
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config SPI_SLAVE_MT27XX
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tristate "MediaTek SPI slave device"
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depends on ARCH_MEDIATEK || COMPILE_TEST
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--- a/drivers/spi/Makefile
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+++ b/drivers/spi/Makefile
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@@ -130,6 +130,7 @@ obj-$(CONFIG_SPI_SH_HSPI) += spi-sh-hsp
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obj-$(CONFIG_SPI_SH_MSIOF) += spi-sh-msiof.o
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obj-$(CONFIG_SPI_SH_SCI) += spi-sh-sci.o
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obj-$(CONFIG_SPI_SIFIVE) += spi-sifive.o
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+obj-$(CONFIG_SPI_SF21_QSPI) += spi-sf21-qspi.o
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obj-$(CONFIG_SPI_SLAVE_MT27XX) += spi-slave-mt27xx.o
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obj-$(CONFIG_SPI_SN_F_OSPI) += spi-sn-f-ospi.o
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obj-$(CONFIG_SPI_SPRD) += spi-sprd.o
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