[PATCH 2/3] pmdomain: amlogic: Add support for A9 power domains controller

[Neil Armstrong]

On 7/22/26 10:39, Xianwei Zhao via B4 Relay wrote:
> From: Xianwei Zhao <xianwei.zhao at amlogic.com>
> 
> Add support for the A9 power controller, whose registers are
> in the secure domain and should be accessed via SMC.
> 
> Signed-off-by: Xianwei Zhao <xianwei.zhao at amlogic.com>
> ---
>   drivers/pmdomain/amlogic/meson-secure-pwrc.c | 69 ++++++++++++++++++++++++++++
>   1 file changed, 69 insertions(+)
> 
> diff --git a/drivers/pmdomain/amlogic/meson-secure-pwrc.c b/drivers/pmdomain/amlogic/meson-secure-pwrc.c
> index 1d2f371d2d7f..133549956efa 100644
> --- a/drivers/pmdomain/amlogic/meson-secure-pwrc.c
> +++ b/drivers/pmdomain/amlogic/meson-secure-pwrc.c
> @@ -16,6 +16,7 @@
>   #include <dt-bindings/power/amlogic,t7-pwrc.h>
>   #include <dt-bindings/power/amlogic,a4-pwrc.h>
>   #include <dt-bindings/power/amlogic,a5-pwrc.h>
> +#include <dt-bindings/power/amlogic,a9-pwrc.h>
>   #include <dt-bindings/power/amlogic,s6-pwrc.h>
>   #include <dt-bindings/power/amlogic,s7-pwrc.h>
>   #include <dt-bindings/power/amlogic,s7d-pwrc.h>
> @@ -175,6 +176,65 @@ static const struct meson_secure_pwrc_domain_desc a5_pwrc_domains[] = {
>   	SEC_PD(A5_DSPA,		0),
>   };
>   
> +static const struct meson_secure_pwrc_domain_desc a9_pwrc_domains[] = {
> +	SEC_PD(A9_DSPA,		0),
> +	SEC_PD(A9_U3HSG_U3,	0),
> +	SEC_PD(A9_DP,		0),
> +	SEC_PD(A9_DOS_HCODEC,	0),
> +	SEC_PD(A9_TAHOE,	0),
> +	SEC_PD(A9_DOS_HEVC,	0),
> +	SEC_PD(A9_U2H,		0),
> +	SEC_PD(A9_U3DRD_B,	0),
> +	SEC_PD(A9_VPU_HDMI,	0),
> +	SEC_PD(A9_U2DRD,	0),
> +	SEC_PD(A9_U3DRD_A,	0),
> +	SEC_PD(A9_SD_EMMC_C,	0),
> +	SEC_PD(A9_GE2D,		0),
> +	SEC_PD(A9_AMFC,		0),
> +	SEC_PD(A9_EDPTX,	0),
> +	SEC_PD(A9_OPP,		0),
> +	SEC_PD(A9_VICP,		0),
> +	SEC_PD(A9_SD_EMMC_A,	0),
> +	SEC_PD(A9_SD_EMMC_B,	0),
> +	SEC_PD(A9_ETH,		0),
> +	SEC_PD(A9_PCIE_A,	0),
> +	SEC_PD(A9_PCIE_B,	0),
> +	SEC_PD(A9_NNA_4T,	0),
> +	SEC_PD(A9_HDMIRX,	0),
> +	SEC_PD(A9_CVE,		0),
> +	SEC_PD(A9_ISP,		0),
> +	SEC_PD(A9_ETH_1G,	0),
> +	SEC_PD(A9_U3HSG_HSG,	0),
> +	SEC_PD(A9_U3DPPHY_U3,	0),
> +	SEC_PD(A9_U3DPPHY_DP,	0),
> +	SEC_PD(A9_PCIE3PHY,	0),
> +	SEC_PD(A9_U3HSG_PCIE2,	0),
> +	SEC_PD(A9_MALI_TOP,	0),
> +	SEC_PD(A9_AO_SED,	0),
> +	SEC_PD(A9_AO_IR,	0),
> +	/* UART_B is for console log, and should be always on */
> +	SEC_PD(A9_AO_UART_B,	GENPD_FLAG_ALWAYS_ON),
> +	SEC_PD(A9_AO_UART_C,	0),
> +	SEC_PD(A9_AO_UART_D,	0),
> +	SEC_PD(A9_AO_SPISG,	0),
> +	SEC_PD(A9_AO_UART_E,	0),
> +	SEC_PD(A9_AO_CEC,	0),
> +	/* SRAMA is used as ATF runtime memory, and should be always on */
> +	SEC_PD(A9_EE_SRAMA,	GENPD_FLAG_ALWAYS_ON),
> +	SEC_PD(A9_AUDIO,	0),
> +	/* DMC0 is for DDR PHY ana/dig and DMC, and should be always on */
> +	SEC_PD(A9_DMC0,		GENPD_FLAG_ALWAYS_ON),
> +	/*GIC needs to be used consistently, and should be always on */
> +	SEC_PD(A9_GIC,		GENPD_FLAG_ALWAYS_ON),
> +	/* DDRPHY is for DDR Work, and should be always on */
> +	SEC_PD(A9_DDRPHY,	GENPD_FLAG_ALWAYS_ON),
> +	SEC_PD(A9_AUCPU,	0),
> +	SEC_PD(A9_DSI0,		0),
> +	SEC_PD(A9_DSI1,		0),
> +	SEC_PD(A9_CAN0,		0),
> +	SEC_PD(A9_CAN1,		0),
> +};
> +
>   static const struct meson_secure_pwrc_domain_desc c3_pwrc_domains[] = {
>   	SEC_PD(C3_NNA,		0),
>   	SEC_PD(C3_AUDIO,	0),
> @@ -425,6 +485,11 @@ static const struct meson_secure_pwrc_domain_data amlogic_secure_a5_pwrc_data =
>   	.count = ARRAY_SIZE(a5_pwrc_domains),
>   };
>   
> +static const struct meson_secure_pwrc_domain_data amlogic_secure_a9_pwrc_data = {
> +	.domains = a9_pwrc_domains,
> +	.count = ARRAY_SIZE(a9_pwrc_domains),
> +};
> +
>   static const struct meson_secure_pwrc_domain_data amlogic_secure_c3_pwrc_data = {
>   	.domains = c3_pwrc_domains,
>   	.count = ARRAY_SIZE(c3_pwrc_domains),
> @@ -468,6 +533,10 @@ static const struct of_device_id meson_secure_pwrc_match_table[] = {
>   		.compatible = "amlogic,a5-pwrc",
>   		.data = &amlogic_secure_a5_pwrc_data,
>   	},
> +	{
> +		.compatible = "amlogic,a9-pwrc",
> +		.data = &amlogic_secure_a9_pwrc_data,
> +	},
>   	{
>   		.compatible = "amlogic,c3-pwrc",
>   		.data = &amlogic_secure_c3_pwrc_data,
> 

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

Thanks,
Neil