Hi Kever

On Tue, Nov 19, 2019 at 1:40 AM Kever Yang <kever.y...@rock-chips.com> wrote:
>
>
> On 2019/11/17 下午6:17, Michael Trimarchi wrote:
> > Add a way to detect board id and pcb id.
>
>
> Is there a document for this from vendor? Are they also use these two ids?
>
> If we can detect tinker vs tinker-s, then we don't need two board
> config/dts, right?
>

I'm working to test on some tinker board. I was having only tinker-s.
I prefer to have
both board support and then clean-up after I'm sure

> >
> > Signed-off-by: Michael Trimarchi <mich...@amarulasolutions.com>
> > ---
> >   arch/arm/dts/rk3288-tinker.dtsi              | 33 ++++++++
> >   board/rockchip/tinker_rk3288/tinker-rk3288.c | 83 ++++++++++++++++++++
> >   2 files changed, 116 insertions(+)
> >
> > diff --git a/arch/arm/dts/rk3288-tinker.dtsi 
> > b/arch/arm/dts/rk3288-tinker.dtsi
> > index 2f816af47f..67a0374050 100644
> > --- a/arch/arm/dts/rk3288-tinker.dtsi
> > +++ b/arch/arm/dts/rk3288-tinker.dtsi
> > @@ -53,6 +53,21 @@
> >               #clock-cells = <0>;
> >       };
> >
> > +     board_info: board-info {
> > +             tinker,pcbid0 = <&gpio2 8 GPIO_ACTIVE_HIGH>;
> > +             tinker,pcbid1 = <&gpio2 9 GPIO_ACTIVE_HIGH>;
> > +             tinker,pcbid2 = <&gpio2 10 GPIO_ACTIVE_HIGH>;
> > +             tinker,pid0 = <&gpio2 1 GPIO_ACTIVE_HIGH>;
> > +             tinker,pid1 = <&gpio2 2 GPIO_ACTIVE_HIGH>;
> > +             tinker,pid2 = <&gpio2 3 GPIO_ACTIVE_HIGH>;
> > +     };
> > +
> > +     board_control: board-control {
> > +             tinker,sdp = <&gpio6 5 GPIO_ACTIVE_HIGH>;
> > +             tinker,usblimit = <&gpio6 6 GPIO_ACTIVE_HIGH>;
> > +             tinker,maskemmc = <&gpio6 7 GPIO_ACTIVE_HIGH>;
>
> These three pin looks like not related to board detect?
>

I take from debian_uboot. I'm going to manage those pins and drop from
this patch

Michael

>
> Thanks,
>
> - Kever
>
> > +     };
> > +
> >       gpio-keys {
> >               compatible = "gpio-keys";
> >               autorepeat;
> > @@ -461,6 +476,10 @@
> >   };
> >
> >   &pinctrl {
> > +     /* Pins that are not explicitely used by any devices */
> > +     pinctrl-names = "default";
> > +     pinctrl-0 = <&tinker_pin_hog>;
> > +
> >       pcfg_pull_none_drv_8ma: pcfg-pull-none-drv-8ma {
> >               drive-strength = <8>;
> >       };
> > @@ -482,6 +501,20 @@
> >               };
> >       };
> >
> > +     hog {
> > +             tinker_pin_hog: tinker-pin-hog {
> > +                     rockchip,pins = <2 RK_PA1 RK_FUNC_GPIO 
> > &pcfg_pull_up>, /* project id 0 */
> > +                                     <2 RK_PA2 RK_FUNC_GPIO 
> > &pcfg_pull_up>, /* project id 1 */
> > +                                     <2 RK_PA3 RK_FUNC_GPIO 
> > &pcfg_pull_up>, /* project id 2 */
> > +                                     <2 RK_PB0 RK_FUNC_GPIO 
> > &pcfg_pull_none>, /* pcb id 0 */
> > +                                     <2 RK_PB1 RK_FUNC_GPIO 
> > &pcfg_pull_none>, /* pcb id 1 */
> > +                                     <2 RK_PB2 RK_FUNC_GPIO 
> > &pcfg_pull_none>, /* pcb id 2 */
> > +                                     <6 RK_PA5 RK_FUNC_GPIO 
> > &pcfg_pull_none>, /* sdp detect */
> > +                                     <6 RK_PA6 RK_FUNC_GPIO 
> > &pcfg_pull_up>, /* current limit */
> > +                                     <6 RK_PA7 RK_FUNC_GPIO 
> > &pcfg_pull_none>; /* emmc mask */
> > +             };
> > +     };
> > +
> >       eth_phy {
> >               eth_phy_pwr: eth-phy-pwr {
> >                       rockchip,pins = <0 6 RK_FUNC_GPIO &pcfg_pull_none>;
> > diff --git a/board/rockchip/tinker_rk3288/tinker-rk3288.c 
> > b/board/rockchip/tinker_rk3288/tinker-rk3288.c
> > index 7a0c3c997d..7c65521f55 100644
> > --- a/board/rockchip/tinker_rk3288/tinker-rk3288.c
> > +++ b/board/rockchip/tinker_rk3288/tinker-rk3288.c
> > @@ -5,12 +5,26 @@
> >
> >   #include <common.h>
> >   #include <dm.h>
> > +#include <dm/device-internal.h>
> > +#include <asm/gpio.h>
> > +#include <dt-bindings/pinctrl/rockchip.h>
> >   #include <env.h>
> >   #include <i2c_eeprom.h>
> >   #include <netdev.h>
> >   #include <asm/arch-rockchip/bootrom.h>
> >   #include <asm/io.h>
> >
> > +enum project_id {
> > +     tinker_board_s = 0,
> > +     tinker_board = 7,
> > +};
> > +
> > +enum pcb_id {
> > +     SR,
> > +     ER,
> > +     PR,
> > +};
> > +
> >   static int get_ethaddr_from_eeprom(u8 *addr)
> >   {
> >       int ret;
> > @@ -23,10 +37,14 @@ static int get_ethaddr_from_eeprom(u8 *addr)
> >       return i2c_eeprom_read(dev, 0, addr, 6);
> >   }
> >
> > +int detect_board_init(void);
> > +
> >   int rk3288_board_late_init(void)
> >   {
> >       u8 ethaddr[6];
> >
> > +     detect_board_init();
> > +
> >       if (get_ethaddr_from_eeprom(ethaddr))
> >               return 0;
> >
> > @@ -45,3 +63,68 @@ int mmc_get_env_dev(void)
> >
> >       return 1;
> >   }
> > +
> > +int detect_board_init(void)
> > +{
> > +     int ret = 0, i;
> > +     ofnode node;
> > +     struct udevice *gpio_dev2 = NULL;
> > +     struct udevice *gpio_dev6 = NULL;
> > +     struct gpio_desc pcbid[3];
> > +     struct gpio_desc pid[3];
> > +     enum project_id prjid;
> > +     char gpio_name[64];
> > +     enum pcb_id pcbversion;
> > +
> > +     debug("%s: detect boad\n", __func__);
> > +
> > +     if (uclass_get_device_by_name(UCLASS_GPIO, "gpio2@ff790000", 
> > &gpio_dev2) ||
> > +         uclass_get_device_by_name(UCLASS_GPIO, "gpio6@ff7d0000", 
> > &gpio_dev6)) {
> > +             printf("Could not get GPIO device.\n");
> > +             return -EINVAL;
> > +     }
> > +
> > +     ret = device_probe(gpio_dev2);
> > +     if (ret)
> > +             pr_err("%s - probe failed: %d\n", gpio_dev2->name, ret);
> > +
> > +     ret = device_probe(gpio_dev6);
> > +     if (ret)
> > +             pr_err("%s - probe failed: %d\n", gpio_dev6->name, ret);
> > +
> > +     node = ofnode_path("/board-info");
> > +     if (!ofnode_valid(node)) {
> > +             pr_err("%s: no /board-info node?\n", __func__);
> > +             return -EINVAL;
> > +     }
> > +
> > +     for (i = 0; i < 3; i++) {
> > +             snprintf(gpio_name, 64, "tinker,pid%d", i);
> > +             if (gpio_request_by_name_nodev(node, gpio_name, 0,
> > +                                     &pid[i], GPIOD_IS_IN)) {
> > +                     printf("Failed to request %s\n", gpio_name);
> > +                     continue;
> > +             }
> > +        }
> > +
> > +     for (i = 0; i < 3; i++) {
> > +             snprintf(gpio_name, 64, "tinker,pcbid%d", i);
> > +             if (gpio_request_by_name_nodev(node, gpio_name, 0,
> > +                                             &pcbid[i], GPIOD_IS_IN)) {
> > +                     printf("Failed to request %s\n", gpio_name);
> > +                     continue;
> > +             }
> > +        }
> > +
> > +     prjid = dm_gpio_get_value(&pid[0]) | \
> > +             dm_gpio_get_value(&pid[1]) << 1 | \
> > +             dm_gpio_get_value(&pid[2]) << 2;
> > +     pcbversion = dm_gpio_get_value(&pcbid[0]) | \
> > +             dm_gpio_get_value(&pcbid[1]) << 1 | \
> > +             dm_gpio_get_value(&pcbid[2]) << 2;
> > +
> > +     printf("Detect %s rev %d\n",
> > +             prjid == tinker_board ? "Tinker" : "Tinker S", pcbversion);
> > +
> > +     return ret;
> > +}
>
>


-- 
| Michael Nazzareno Trimarchi                     Amarula Solutions BV |
| COO  -  Founder                                      Cruquiuskade 47 |
| +31(0)851119172                                 Amsterdam 1018 AM NL |
|                  [`as] http://www.amarulasolutions.com               |
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