diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/pmdomain/amlogic/Kconfig | 39 | ||||
| -rw-r--r-- | drivers/pmdomain/amlogic/meson-secure-pwrc.c | 127 |
2 files changed, 153 insertions, 13 deletions
diff --git a/drivers/pmdomain/amlogic/Kconfig b/drivers/pmdomain/amlogic/Kconfig new file mode 100644 index 0000000000..2108729909 --- /dev/null +++ b/drivers/pmdomain/amlogic/Kconfig @@ -0,0 +1,39 @@ +# SPDX-License-Identifier: GPL-2.0-only +menu "Amlogic PM Domains" + +config MESON_GX_PM_DOMAINS + tristate "Amlogic Meson GX Power Domains driver" + depends on ARCH_MESON || COMPILE_TEST + depends on PM && OF + default ARCH_MESON + select PM_GENERIC_DOMAINS + select PM_GENERIC_DOMAINS_OF + help + Say yes to expose Amlogic Meson GX Power Domains as + Generic Power Domains. + +config MESON_EE_PM_DOMAINS + tristate "Amlogic Meson Everything-Else Power Domains driver" + depends on ARCH_MESON || COMPILE_TEST + depends on PM && OF + default ARCH_MESON + select PM_GENERIC_DOMAINS + select PM_GENERIC_DOMAINS_OF + help + Say yes to expose Amlogic Meson Everything-Else Power Domains as + Generic Power Domains. + +config MESON_SECURE_PM_DOMAINS + tristate "Amlogic Meson Secure Power Domains driver" + depends on (ARCH_MESON || COMPILE_TEST) && MESON_SM + depends on PM && OF + depends on HAVE_ARM_SMCCC + default ARCH_MESON + select PM_GENERIC_DOMAINS + select PM_GENERIC_DOMAINS_OF + help + Support for the power controller on Amlogic A1/C1 series. + Say yes to expose Amlogic Meson Secure Power Domains as Generic + Power Domains. + +endmenu diff --git a/drivers/pmdomain/amlogic/meson-secure-pwrc.c b/drivers/pmdomain/amlogic/meson-secure-pwrc.c index 89c881c56c..4d5bda0d60 100644 --- a/drivers/pmdomain/amlogic/meson-secure-pwrc.c +++ b/drivers/pmdomain/amlogic/meson-secure-pwrc.c @@ -13,16 +13,19 @@ #include <dt-bindings/power/meson-a1-power.h> #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 <linux/arm-smccc.h> #include <linux/firmware/meson/meson_sm.h> #include <linux/module.h> #define PWRC_ON 1 #define PWRC_OFF 0 +#define PWRC_NO_PARENT UINT_MAX struct meson_secure_pwrc_domain { struct generic_pm_domain base; unsigned int index; + unsigned int parent; struct meson_secure_pwrc *pwrc; }; @@ -34,6 +37,7 @@ struct meson_secure_pwrc { struct meson_secure_pwrc_domain_desc { unsigned int index; + unsigned int parent; unsigned int flags; char *name; bool (*is_off)(struct meson_secure_pwrc_domain *pwrc_domain); @@ -90,8 +94,19 @@ static int meson_secure_pwrc_on(struct generic_pm_domain *domain) { \ .name = #__name, \ .index = PWRC_##__name##_ID, \ - .is_off = pwrc_secure_is_off, \ + .is_off = pwrc_secure_is_off, \ .flags = __flag, \ + .parent = PWRC_NO_PARENT, \ +} + +#define TOP_PD(__name, __flag, __parent) \ +[PWRC_##__name##_ID] = \ +{ \ + .name = #__name, \ + .index = PWRC_##__name##_ID, \ + .is_off = pwrc_secure_is_off, \ + .flags = __flag, \ + .parent = __parent, \ } static struct meson_secure_pwrc_domain_desc a1_pwrc_domains[] = { @@ -122,18 +137,19 @@ static struct meson_secure_pwrc_domain_desc a1_pwrc_domains[] = { }; static struct meson_secure_pwrc_domain_desc c3_pwrc_domains[] = { - SEC_PD(C3_NNA, 0), - SEC_PD(C3_AUDIO, GENPD_FLAG_ALWAYS_ON), - SEC_PD(C3_SDIOA, GENPD_FLAG_ALWAYS_ON), - SEC_PD(C3_EMMC, GENPD_FLAG_ALWAYS_ON), - SEC_PD(C3_USB_COMB, GENPD_FLAG_ALWAYS_ON), - SEC_PD(C3_SDCARD, GENPD_FLAG_ALWAYS_ON), - SEC_PD(C3_ETH, GENPD_FLAG_ALWAYS_ON), - SEC_PD(C3_GE2D, GENPD_FLAG_ALWAYS_ON), - SEC_PD(C3_CVE, GENPD_FLAG_ALWAYS_ON), - SEC_PD(C3_GDC_WRAP, GENPD_FLAG_ALWAYS_ON), - SEC_PD(C3_ISP_TOP, GENPD_FLAG_ALWAYS_ON), - SEC_PD(C3_MIPI_ISP_WRAP, GENPD_FLAG_ALWAYS_ON), + SEC_PD(C3_NNA, 0), + SEC_PD(C3_AUDIO, 0), + SEC_PD(C3_SDIOA, 0), + SEC_PD(C3_EMMC, 0), + SEC_PD(C3_USB_COMB, 0), + SEC_PD(C3_SDCARD, 0), + /* ETH is for ethernet online wakeup, and should be always on */ + SEC_PD(C3_ETH, GENPD_FLAG_ALWAYS_ON), + SEC_PD(C3_GE2D, 0), + SEC_PD(C3_CVE, 0), + SEC_PD(C3_GDC_WRAP, 0), + SEC_PD(C3_ISP_TOP, 0), + SEC_PD(C3_MIPI_ISP_WRAP, 0), SEC_PD(C3_VCODEC, 0), }; @@ -149,6 +165,69 @@ static struct meson_secure_pwrc_domain_desc s4_pwrc_domains[] = { SEC_PD(S4_AUDIO, 0), }; +static struct meson_secure_pwrc_domain_desc t7_pwrc_domains[] = { + SEC_PD(T7_DSPA, 0), + SEC_PD(T7_DSPB, 0), + TOP_PD(T7_DOS_HCODEC, 0, PWRC_T7_NIC3_ID), + TOP_PD(T7_DOS_HEVC, 0, PWRC_T7_NIC3_ID), + TOP_PD(T7_DOS_VDEC, 0, PWRC_T7_NIC3_ID), + TOP_PD(T7_DOS_WAVE, 0, PWRC_T7_NIC3_ID), + SEC_PD(T7_VPU_HDMI, 0), + SEC_PD(T7_USB_COMB, 0), + SEC_PD(T7_PCIE, 0), + TOP_PD(T7_GE2D, 0, PWRC_T7_NIC3_ID), + /* SRAMA is used as ATF runtime memory, and should be always on */ + SEC_PD(T7_SRAMA, GENPD_FLAG_ALWAYS_ON), + /* SRAMB is used as ATF runtime memory, and should be always on */ + SEC_PD(T7_SRAMB, GENPD_FLAG_ALWAYS_ON), + SEC_PD(T7_HDMIRX, 0), + SEC_PD(T7_VI_CLK1, 0), + SEC_PD(T7_VI_CLK2, 0), + /* ETH is for ethernet online wakeup, and should be always on */ + SEC_PD(T7_ETH, GENPD_FLAG_ALWAYS_ON), + SEC_PD(T7_ISP, 0), + SEC_PD(T7_MIPI_ISP, 0), + TOP_PD(T7_GDC, 0, PWRC_T7_NIC3_ID), + TOP_PD(T7_DEWARP, 0, PWRC_T7_NIC3_ID), + SEC_PD(T7_SDIO_A, 0), + SEC_PD(T7_SDIO_B, 0), + SEC_PD(T7_EMMC, 0), + TOP_PD(T7_MALI_SC0, 0, PWRC_T7_NNA_TOP_ID), + TOP_PD(T7_MALI_SC1, 0, PWRC_T7_NNA_TOP_ID), + TOP_PD(T7_MALI_SC2, 0, PWRC_T7_NNA_TOP_ID), + TOP_PD(T7_MALI_SC3, 0, PWRC_T7_NNA_TOP_ID), + SEC_PD(T7_MALI_TOP, 0), + TOP_PD(T7_NNA_CORE0, 0, PWRC_T7_NNA_TOP_ID), + TOP_PD(T7_NNA_CORE1, 0, PWRC_T7_NNA_TOP_ID), + TOP_PD(T7_NNA_CORE2, 0, PWRC_T7_NNA_TOP_ID), + TOP_PD(T7_NNA_CORE3, 0, PWRC_T7_NNA_TOP_ID), + SEC_PD(T7_NNA_TOP, 0), + SEC_PD(T7_DDR0, GENPD_FLAG_ALWAYS_ON), + SEC_PD(T7_DDR1, GENPD_FLAG_ALWAYS_ON), + /* DMC0 is for DDR PHY ana/dig and DMC, and should be always on */ + SEC_PD(T7_DMC0, GENPD_FLAG_ALWAYS_ON), + /* DMC1 is for DDR PHY ana/dig and DMC, and should be always on */ + SEC_PD(T7_DMC1, GENPD_FLAG_ALWAYS_ON), + /* NOC is related to clk bus, and should be always on */ + SEC_PD(T7_NOC, GENPD_FLAG_ALWAYS_ON), + /* NIC is for the Arm NIC-400 interconnect, and should be always on */ + SEC_PD(T7_NIC2, GENPD_FLAG_ALWAYS_ON), + SEC_PD(T7_NIC3, 0), + /* CPU accesses the interleave data to the ddr need cci, and should be always on */ + SEC_PD(T7_CCI, GENPD_FLAG_ALWAYS_ON), + SEC_PD(T7_MIPI_DSI0, 0), + SEC_PD(T7_SPICC0, 0), + SEC_PD(T7_SPICC1, 0), + SEC_PD(T7_SPICC2, 0), + SEC_PD(T7_SPICC3, 0), + SEC_PD(T7_SPICC4, 0), + SEC_PD(T7_SPICC5, 0), + SEC_PD(T7_EDP0, 0), + SEC_PD(T7_EDP1, 0), + SEC_PD(T7_MIPI_DSI1, 0), + SEC_PD(T7_AUDIO, 0), +}; + static int meson_secure_pwrc_probe(struct platform_device *pdev) { int i; @@ -201,16 +280,29 @@ static int meson_secure_pwrc_probe(struct platform_device *pdev) dom->pwrc = pwrc; dom->index = match->domains[i].index; + dom->parent = match->domains[i].parent; dom->base.name = match->domains[i].name; dom->base.flags = match->domains[i].flags; dom->base.power_on = meson_secure_pwrc_on; dom->base.power_off = meson_secure_pwrc_off; + if (match->domains[i].is_off(dom) && (dom->base.flags & GENPD_FLAG_ALWAYS_ON)) + meson_secure_pwrc_on(&dom->base); + pm_genpd_init(&dom->base, NULL, match->domains[i].is_off(dom)); pwrc->xlate.domains[i] = &dom->base; } + for (i = 0; i < match->count; i++) { + struct meson_secure_pwrc_domain *dom = pwrc->domains; + + if (!match->domains[i].name || match->domains[i].parent == PWRC_NO_PARENT) + continue; + + pm_genpd_add_subdomain(&dom[dom[i].parent].base, &dom[i].base); + } + return of_genpd_add_provider_onecell(pdev->dev.of_node, &pwrc->xlate); } @@ -229,6 +321,11 @@ static struct meson_secure_pwrc_domain_data meson_secure_s4_pwrc_data = { .count = ARRAY_SIZE(s4_pwrc_domains), }; +static struct meson_secure_pwrc_domain_data amlogic_secure_t7_pwrc_data = { + .domains = t7_pwrc_domains, + .count = ARRAY_SIZE(t7_pwrc_domains), +}; + static const struct of_device_id meson_secure_pwrc_match_table[] = { { .compatible = "amlogic,meson-a1-pwrc", @@ -242,6 +339,10 @@ static const struct of_device_id meson_secure_pwrc_match_table[] = { .compatible = "amlogic,meson-s4-pwrc", .data = &meson_secure_s4_pwrc_data, }, + { + .compatible = "amlogic,t7-pwrc", + .data = &amlogic_secure_t7_pwrc_data, + }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, meson_secure_pwrc_match_table); |