On 06/04/2023 19:18, Cristian Ciocaltea wrote:
> Extend the existing fan53555 driver to support the Rockchip RK860X
> regulators.
>
> RK8600/RK8601 are pretty similar to the FAN53555 regulators.
>
> RK8602/RK8603 are a bit different, having a wider output voltage
> selection range, from 0.5 V to 1.5 V in 6.25 mV steps. They also use
> additional VSEL0/VSEL1 registers for the voltage selector, but the
> enable and mode bits are still located in the original FAN53555 specific
> VSEL0/VSEL1 registers.
>
> Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@xxxxxxxxxxxxx>
> ---
> drivers/regulator/fan53555.c | 121 ++++++++++++++++++++++++++++++++++-
> 1 file changed, 118 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/regulator/fan53555.c b/drivers/regulator/fan53555.c
> index acf14ba7aaa6..130f3dbe9840 100644
> --- a/drivers/regulator/fan53555.c
> +++ b/drivers/regulator/fan53555.c
> @@ -26,6 +26,9 @@
> #define FAN53555_VSEL0 0x00
> #define FAN53555_VSEL1 0x01
>
> +#define RK8602_VSEL0 0x06
> +#define RK8602_VSEL1 0x07
> +
> #define TCS4525_VSEL0 0x11
> #define TCS4525_VSEL1 0x10
> #define TCS4525_TIME 0x13
> @@ -55,6 +58,7 @@
>
> #define FAN53555_NVOLTAGES 64 /* Numbers of voltages */
> #define FAN53526_NVOLTAGES 128
> +#define RK8602_NVOLTAGES 160
>
> #define TCS_VSEL0_MODE BIT(7)
> #define TCS_VSEL1_MODE BIT(6)
> @@ -64,6 +68,8 @@
> enum fan53555_vendor {
> FAN53526_VENDOR_FAIRCHILD = 0,
> FAN53555_VENDOR_FAIRCHILD,
> + FAN53555_VENDOR_ROCKCHIP, /* RK8600, RK8601 */
> + RK8602_VENDOR_ROCKCHIP, /* RK8602, RK8603 */
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
Best regards,
Krzysztof
