[PATCH 2/3] pmdomain: amlogic: Add support for A9 power domains controller
Xianwei Zhao via B4 Relay <[email protected]> Wed, 22 Jul 2026 08:39:32 +0000
| Newsgroups | org.infradead.lists.linux-amlogic,org.infradead.lists.linux-arm-kernel,org.kernel.feeds.b4-sent,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel,org.kernel.vger.linux-pm |
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From: Xianwei Zhao <[email protected]> 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 <[email protected]> --- 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, -- 2.52.0 _______________________________________________ linux-amlogic mailing list [email protected] http://lists.infradead.org/mailman/listinfo/linux-amlogic