[PATCH] rockchip: board: roc-pc-rk3399: Remove support for push button

[Kever Yang]

Hi Sunil, Jagan,

     What suppose to be for LEDs status base on this patch and patch[0]?


Thanks,

- Kever

[0] https://patchwork.ozlabs.org/patch/1258094/ 
<https://patchwork.ozlabs.org/patch/1258094/>

On 2020/4/2 下午8:52, sunil at amarulasolutions.com wrote:
> From: Suniel Mahesh <sunil at amarulasolutions.com>
>
> In case of a power interruption, human intervention is required which
> is not desirable if the device is installed at a remote location. Drop
> yellow LED as it is not much of use. Keep red LED(diy-led) as it is, to
> indicate board in full power mode.
>
> Signed-off-by: Suniel Mahesh <sunil at amarulasolutions.com>
> ---
> Note:
> - patch tested on rk3399-roc-pc
> - code related to button press is removed
> ---
>   board/firefly/roc-pc-rk3399/roc-pc-rk3399.c | 16 +---------------
>   1 file changed, 1 insertion(+), 15 deletions(-)
>
> diff --git a/board/firefly/roc-pc-rk3399/roc-pc-rk3399.c b/board/firefly/roc-pc-rk3399/roc-pc-rk3399.c
> index de9185a..0fe1914 100644
> --- a/board/firefly/roc-pc-rk3399/roc-pc-rk3399.c
> +++ b/board/firefly/roc-pc-rk3399/roc-pc-rk3399.c
> @@ -10,7 +10,6 @@
>   #include <spl_gpio.h>
>   #include <asm/io.h>
>   #include <asm/arch-rockchip/gpio.h>
> -#include <asm/arch-rockchip/grf_rk3399.h>
>   
>   #ifndef CONFIG_SPL_BUILD
>   int board_early_init_f(void)
> @@ -34,26 +33,13 @@ out:
>   
>   #if defined(CONFIG_TPL_BUILD)
>   
> -#define PMUGRF_BASE     0xff320000
>   #define GPIO0_BASE      0xff720000
>   
>   int board_early_init_f(void)
>   {
>   	struct rockchip_gpio_regs * const gpio0 = (void *)GPIO0_BASE;
> -	struct rk3399_pmugrf_regs * const pmugrf = (void *)PMUGRF_BASE;
>   
> -	/**
> -	 * 1. Glow yellow LED, termed as low power
> -	 * 2. Poll for on board power key press
> -	 * 3. Once 2 done, off yellow and glow red LED, termed as full power
> -	 * 4. Continue booting...
> -	 */
> -	spl_gpio_output(gpio0, GPIO(BANK_A, 2), 1);
> -
> -	spl_gpio_set_pull(&pmugrf->gpio0_p, GPIO(BANK_A, 5), GPIO_PULL_NORMAL);
> -	while (readl(&gpio0->ext_port) & 0x20);
> -
> -	spl_gpio_output(gpio0, GPIO(BANK_A, 2), 0);
> +	/* Turn on red LED, indicating full power mode */
>   	spl_gpio_output(gpio0, GPIO(BANK_B, 5), 1);
>   
>   	return 0;