Re: [PATCH 2/3] pmdomain: amlogic: Add support for A4 power domains controller

Neil Armstrong
2024-05-28T08:42:14Z

On 28/05/2024 10:39, Xianwei Zhao via B4 Relay wrote:
> From: Xianwei Zhao <xianwei.zhao@amlogic.com>
>
> Add support for A4 power controller. A4 power control
> registers are in secure domain, and should be accessed by SMC.
>
> Signed-off-by: Xianwei Zhao <xianwei.zhao@amlogic.com>
> ---
> drivers/pmdomain/amlogic/meson-secure-pwrc.c | 28 ++++++++++++++++++++++++++++
> 1 file changed, 28 insertions(+)
>
> diff --git a/drivers/pmdomain/amlogic/meson-secure-pwrc.c b/drivers/pmdomain/amlogic/meson-secure-pwrc.c
> index 4d5bda0d60fc..3a84d8a74a5e 100644
> --- a/drivers/pmdomain/amlogic/meson-secure-pwrc.c
> +++ b/drivers/pmdomain/amlogic/meson-secure-pwrc.c
> @@ -14,6 +14,7 @@
> #include <dt-bindings/power/amlogic,c3-pwrc.h>
> #include <dt-bindings/power/meson-s4-power.h>
> #include <dt-bindings/power/amlogic,t7-pwrc.h>
> +#include <dt-bindings/power/amlogic,a4-pwrc.h>
> #include <linux/arm-smccc.h>
> #include <linux/firmware/meson/meson_sm.h>
> #include <linux/module.h>
> @@ -136,6 +137,24 @@ static struct meson_secure_pwrc_domain_desc a1_pwrc_domains[] = {
> SEC_PD(RSA, 0),
> };
>
> +static struct meson_secure_pwrc_domain_desc a4_pwrc_domains[] = {
> + SEC_PD(A4_AUDIO, 0),
> + SEC_PD(A4_SDIOA, 0),
> + SEC_PD(A4_EMMC, 0),
> + SEC_PD(A4_USB_COMB, 0),
> + SEC_PD(A4_ETH, 0),
> + SEC_PD(A4_VOUT, 0),
> + SEC_PD(A4_AUDIO_PDM, 0),
> + /* DMC is for DDR PHY ana/dig and DMC, and should be always on */
> + SEC_PD(A4_DMC, GENPD_FLAG_ALWAYS_ON),
> + /* WRAP is secure_top, a lot of modules are included, and should be always on */
> + SEC_PD(A4_SYS_WRAP, GENPD_FLAG_ALWAYS_ON),
> + SEC_PD(A4_AO_I2C_S, 0),
> + SEC_PD(A4_AO_UART, 0),
> + /* IR is wake up trigger source, and should be always on */
> + SEC_PD(A4_AO_IR, GENPD_FLAG_ALWAYS_ON),
> +};
> +
> static struct meson_secure_pwrc_domain_desc c3_pwrc_domains[] = {
> SEC_PD(C3_NNA, 0),
> SEC_PD(C3_AUDIO, 0),
> @@ -311,6 +330,11 @@ static struct meson_secure_pwrc_domain_data meson_secure_a1_pwrc_data = {
> .count = ARRAY_SIZE(a1_pwrc_domains),
> };
>
> +static struct meson_secure_pwrc_domain_data amlogic_secure_a4_pwrc_data = {
> + .domains = a4_pwrc_domains,
> + .count = ARRAY_SIZE(a4_pwrc_domains),
> +};
> +
> static struct meson_secure_pwrc_domain_data amlogic_secure_c3_pwrc_data = {
> .domains = c3_pwrc_domains,
> .count = ARRAY_SIZE(c3_pwrc_domains),
> @@ -331,6 +355,10 @@ static const struct of_device_id meson_secure_pwrc_match_table[] = {
> .compatible = "amlogic,meson-a1-pwrc",
> .data = &meson_secure_a1_pwrc_data,
> },
> + {
> + .compatible = "amlogic,a4-pwrc",
> + .data = &amlogic_secure_a4_pwrc_data,
> + },
> {
> .compatible = "amlogic,c3-pwrc",
> .data = &amlogic_secure_c3_pwrc_data,
>

Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>