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15 Commits
Author SHA1 Message Date
tao89959 bf325c3f96 mmc: loongson: support setup clk stable delay time 
Changelog: 龙芯mmc驱动支持设置时钟稳定的延时时间
Signed-off-by: maoxiaochuan <maoxiaochuan@loongson.cn>
 2026-08-24 14:17:15 +08:00
tao89959 5b79993616 loongson: ls2kmci: disable redundant code about cd-gpio setup 
Changelog: ls2kmci禁用多余的检测gpio的配置代码
Signed-off-by: maoxiaochuan <maoxiaochuan@loongson.cn>
 2026-08-24 14:17:09 +08:00
tao89959 530690a32b loongson: ls2kmci: delete multi debug info 
Changelog: ls2kmci驱动删除重复调试信息
Signed-off-by: maoxiaochuan <maoxiaochuan@loongson.cn>
 2026-08-24 14:17:09 +08:00
tao89959 634f00fcb9 loongson: ls2kmci: fix deponds dma error option 
Changelog: 修复ls2kmci依赖错误
Signed-off-by: maoxiaochuan <maoxiaochuan@loongson.cn>
 2026-08-24 14:17:09 +08:00
Mikko Rapeli dce10e22fe mmc: select REGMAP_MMIO with MMC_LOONGSON2 
COMPILE_TEST with MMC_LOONGSON2 failed to link due to
undeclared dependency:

ERROR: modpost: "__devm_regmap_init_mmio_clk"
[drivers/mmc/host/loongson2-mmc.ko] undefined!

Fixes: 2115772014bd ("mmc: loongson2: Add Loongson-2K SD/SDIO controller driver")

Suggested-by: Arnd Bergmann <arnd@arndb.de>
Suggested-by: Binbin Zhou <zhoubinbin@loongson.cn>
Signed-off-by: Mikko Rapeli <mikko.rapeli@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: maoxiaochuan <maoxiaochuan@loongson.cn>
 2026-02-04 16:41:13 +08:00
Sergio Perez Gonzalez c17b4b32f1 mmc: loongson2: prevent integer overflow in ret variable 
In loongson2_mmc_dll_mode_init(), `ret` variable is declared
as u32 but it is expected to hold an int value.

Fixes: d0f8e961deae ("mmc: loongson2: Add Loongson-2K2000 SD/SDIO/eMMC controller driver")
Reported-by: https://scan7.scan.coverity.com/#/project-view/53936/11354?selectedIssue=1644958
Signed-off-by: Sergio Perez Gonzalez <sperezglz@gmail.com>
Reviewed-by: Binbin Zhou <zhoubinbin@loongson.cn>
Link: https://lore.kernel.org/r/20250707185545.46275-1-sperezglz@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: maoxiaochuan <maoxiaochuan@loongson.cn>
 2026-02-04 16:41:04 +08:00
Binbin Zhou 8d8056f388 mmc: loongson2: Unify the function prefixes for loongson2_mmc_pdata 
The function prefixes for loongson2_mmc_pdata follow two naming
conventions: SoC-based and DMA-based.

First, DMA-based prefixes are the preferred choice, as they clearly
highlight differences, such as prepare_dma; however, for functions
related to SoC, such as reorder_cmd_data, it is agreed to use the
smallest SoC name as the fallback prefix, such as ls2k0500.

No functional change intended.

Suggested-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn>
Reviewed-by: Huacai Chen <chenhuacai@loongson.cn>
Link: https://lore.kernel.org/r/20250716064421.3823418-1-zhoubinbin@loongson.cn
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: maoxiaochuan <maoxiaochuan@loongson.cn>
 2025-08-19 11:29:17 +08:00
Dan Carpenter 1a5da03e7c mmc: loongson2: Fix error code in loongson2_mmc_resource_request() 
There is a cut and paste bug so we accidentally return the wrong
variable.  It should be "ret" instead of PTR_ERR(host->clk).

Fixes: 2115772014bd ("mmc: loongson2: Add Loongson-2K SD/SDIO controller driver")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Binbin Zhou <zhoubinbin@loongson.cn>
Link: https://lore.kernel.org/r/847bf395-6d62-49c9-a39d-8e82c5b17bf7@sabinyo.mountain
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: maoxiaochuan <maoxiaochuan@loongson.cn>
 2025-08-19 11:29:17 +08:00
Binbin Zhou 77dca90f0e mmc: loongson2: Add Loongson-2K2000 SD/SDIO/eMMC controller driver 
This patch describes the two MMC controllers of the Loongson-2K2000 SoC,
one providing an eMMC interface and the other exporting an SD/SDIO
interface.

Compared to the Loongson-2K1000's MMC controllers, their internals are
similar, except that we use an internally exclusive DMA engine instead of
an externally shared APBDMA engine.

Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn>
Reviewed-by: Huacai Chen <chenhuacai@loongson.cn>
Link: https://lore.kernel.org/r/1df46b976abd36003bd553ad8a039e5c97369df0.1750765495.git.zhoubinbin@loongson.cn
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: maoxiaochuan <maoxiaochuan@loongson.cn>
 2025-08-19 11:29:17 +08:00
Binbin Zhou d12f65a0ef mmc: loongson2: Add Loongson-2K SD/SDIO controller driver 
The MMC controllers on the Loongson-2K series CPUs are similar,
except for the interface characteristics and the use of DMA controllers.

This patch describes the MMC controllers on the Loongson-2K0500/2K1000,
with the distinguishing feature being the use of an externally shared
APBDMA engine.

Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn>
Reviewed-by: Huacai Chen <chenhuacai@loongson.cn>
Link: https://lore.kernel.org/r/c0a9f0c0279d8e09165c6e2d694b0c35f7fc7e31.1750765495.git.zhoubinbin@loongson.cn
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: maoxiaochuan <maoxiaochuan@loongson.cn>
 2025-08-19 11:29:16 +08:00
maoxiaochuan ff60a514ff update to 9f12731260 
1.dts:ls2k300:Correct label of spi
2.ls2k300:Add a defconfig for rt
3.fix SD-card CMD48 stuck
4.fix i2c hang  when touch for a long time
 2025-03-26 13:04:16 +08:00
maoxiaochuan 9243940556 update to 4249c4342540b1 
mmc:Remove unused code to avoid compile warning
loongson_2k300_defconfig:Don't builtin serio_xx
 2025-02-21 10:22:11 +08:00
maoxiaochuan 1c67e978cf Update to 1ace04931c77df9 
1. Add 2k300_gongkong board support
 2025-02-20 10:02:07 +08:00
maoxiaochuan 7ffd18ab9d Update to 14fc3074cfe039 
1. 添加带irq处理的gpio驱动
2. 龙芯2k系列添加mmc驱动支持
3. 添加看门狗驱动
4. dtb支持从command line中的board_name字段判断
5. 支持内存分布描述数据从固件传入的数据获取
6. 支持从bootcmdline获取ramdisk启动的地址和所用大小
7. 添加2k300的i2c总线驱动
8. 2k300使用新的spi 和 spi-io 驱动
9. CPU芯片温度传感器支持2k300的计算方式
10. 添加2k300的adc驱动
11. pwm: update default pwm freq to 50Mhz
12. loongson pwm 驱动支持dts使用clock-frequency形式声明频率
13. loongson pwm 确保disable时输出的电平为空闲电平
14. 2k300编译配置使能pwm leds功能
15. 2k300的gmac的phy-mode默认使用rgmii-id
16. 2k300先锋派设置YT8531的内部延迟
17. YT8531 phy 支持设置led的工作模式
18. LCD屏幕 支持cmdline的panel属性选择某一款板卡的dts配置，实现屏幕切换
19. 添加脚本用于快速选择板卡配置文件
20. 添加CAN驱动
21. 添加音频驱动
22. 优化OTG兼容性

Signed-off-by: maoxiaochuan <maoxiaochuan@loongson.cn>
 2025-02-13 16:03:32 +08:00
maoxiaochuan 8b074cffbf init src (linux-6.12.0) 2025-02-13 14:11:16 +08:00