[PATCH v3 2/2] rockchip: rk3288: Add OF board setup

[Kever Yang]

On 2020/7/22 下午8:06, Kever Yang wrote:
>
> On 2020/7/21 下午2:46, Jagan Teki wrote:
>> The new rk3288 revision rk3288w has some changes with respect
>> to legacy rk3288 like hclk_vio in cru and usb host0 ohci.
>>
>> Linux clock driver already handle this via rockchip,rk3288w-cru
>> compatible.
>>
>> USB ohci host can enable via dts for rk3288w based boards.
>>
>> So, add fdt board setup code to update cru compatible with
>> rk3288w-cru compatible if the SOC revision is RK3288W.
>>
>> Signed-off-by: Jagan Teki <jagan at amarulasolutions.com>
> Reviewed-by: Kever Yang<kever.yang at rock-chips.com>
Applied to u-boot-rockchip master for this patch set, thanks.
>
> Thanks,
> - Kever
>> ---
>> Changes for v3:
>> - use struct bd_info
>> - drop ifdef OF_BOARD_SETUP since it select by default
>>
>>   arch/arm/mach-rockchip/Kconfig         |  1 +
>>   arch/arm/mach-rockchip/rk3288/rk3288.c | 30 ++++++++++++++++++++++++++
>>   2 files changed, 31 insertions(+)
>>
>> diff --git a/arch/arm/mach-rockchip/Kconfig 
>> b/arch/arm/mach-rockchip/Kconfig
>> index e2b6326584..fcab1d5cee 100644
>> --- a/arch/arm/mach-rockchip/Kconfig
>> +++ b/arch/arm/mach-rockchip/Kconfig
>> @@ -99,6 +99,7 @@ config ROCKCHIP_RK322X
>>   config ROCKCHIP_RK3288
>>       bool "Support Rockchip RK3288"
>>       select CPU_V7A
>> +    select OF_BOARD_SETUP
>>       select SUPPORT_SPL
>>       select SPL
>>       select SUPPORT_TPL
>> diff --git a/arch/arm/mach-rockchip/rk3288/rk3288.c 
>> b/arch/arm/mach-rockchip/rk3288/rk3288.c
>> index 804abe8a1b..1a4ecdf625 100644
>> --- a/arch/arm/mach-rockchip/rk3288/rk3288.c
>> +++ b/arch/arm/mach-rockchip/rk3288/rk3288.c
>> @@ -13,6 +13,7 @@
>>   #include <asm/io.h>
>>   #include <asm/arch-rockchip/bootrom.h>
>>   #include <asm/arch-rockchip/clock.h>
>> +#include <asm/arch-rockchip/cpu_rk3288.h>
>>   #include <asm/arch-rockchip/cru.h>
>>   #include <asm/arch-rockchip/hardware.h>
>>   #include <asm/arch-rockchip/grf_rk3288.h>
>> @@ -115,6 +116,35 @@ int rk_board_late_init(void)
>>       return rk3288_board_late_init();
>>   }
>>   +static int ft_rk3288w_setup(void *blob)
>> +{
>> +    const char *path;
>> +    int offs, ret;
>> +
>> +    path = "/clock-controller at ff760000";
>> +    offs = fdt_path_offset(blob, path);
>> +    if (offs < 0) {
>> +        debug("failed to found fdt path %s\n", path);
>> +        return offs;
>> +    }
>> +
>> +    ret = fdt_setprop_string(blob, offs, "compatible", 
>> "rockchip,rk3288w-cru");
>> +    if (ret) {
>> +        printf("failed to set rk3288w-cru compatible (ret=%d)\n", ret);
>> +        return ret;
>> +    }
>> +
>> +    return ret;
>> +}
>> +
>> +int ft_board_setup(void *blob, struct bd_info *bd)
>> +{
>> +    if (soc_is_rk3288w())
>> +        return ft_rk3288w_setup(blob);
>> +
>> +    return 0;
>> +}
>> +
>>   static int do_clock(struct cmd_tbl *cmdtp, int flag, int argc,
>>               char *const argv[])
>>   {
>
>
>
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