diff options
71 files changed, 1717 insertions, 434 deletions
diff --git a/Documentation/devicetree/bindings/fpga/xlnx,zynqmp-pcap-fpga.txt b/Documentation/devicetree/bindings/fpga/xlnx,zynqmp-pcap-fpga.txt new file mode 100644 index 000000000000..3052bf619dd5 --- /dev/null +++ b/Documentation/devicetree/bindings/fpga/xlnx,zynqmp-pcap-fpga.txt @@ -0,0 +1,25 @@ +Devicetree bindings for Zynq Ultrascale MPSoC FPGA Manager. +The ZynqMP SoC uses the PCAP (Processor configuration Port) to configure the +Programmable Logic (PL). The configuration uses the firmware interface. + +Required properties: +- compatible: should contain "xlnx,zynqmp-pcap-fpga" + +Example for full FPGA configuration: + + fpga-region0 { + compatible = "fpga-region"; + fpga-mgr = <&zynqmp_pcap>; + #address-cells = <0x1>; + #size-cells = <0x1>; + }; + + firmware { + zynqmp_firmware: zynqmp-firmware { + compatible = "xlnx,zynqmp-firmware"; + method = "smc"; + zynqmp_pcap: pcap { + compatible = "xlnx,zynqmp-pcap-fpga"; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/soc/mediatek/pwrap.txt b/Documentation/devicetree/bindings/soc/mediatek/pwrap.txt index 5a2ef1726e2a..7a32404c6114 100644 --- a/Documentation/devicetree/bindings/soc/mediatek/pwrap.txt +++ b/Documentation/devicetree/bindings/soc/mediatek/pwrap.txt @@ -25,6 +25,7 @@ Required properties in pwrap device node. "mediatek,mt8135-pwrap" for MT8135 SoCs "mediatek,mt8173-pwrap" for MT8173 SoCs "mediatek,mt8183-pwrap" for MT8183 SoCs + "mediatek,mt8516-pwrap" for MT8516 SoCs - interrupts: IRQ for pwrap in SOC - reg-names: Must include the following entries: "pwrap": Main registers base diff --git a/Documentation/xilinx/eemi.txt b/Documentation/xilinx/eemi.txt index 0ab686c173be..5f39b4ffdcd4 100644 --- a/Documentation/xilinx/eemi.txt +++ b/Documentation/xilinx/eemi.txt @@ -41,8 +41,8 @@ Example of EEMI ops usage: int ret; eemi_ops = zynqmp_pm_get_eemi_ops(); - if (!eemi_ops) - return -ENXIO; + if (IS_ERR(eemi_ops)) + return PTR_ERR(eemi_ops); ret = eemi_ops->query_data(qdata, ret_payload); diff --git a/MAINTAINERS b/MAINTAINERS index 5254b352623b..005902ea1450 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2043,7 +2043,7 @@ W: http://www.armlinux.org.uk/ S: Maintained ARM/QUALCOMM SUPPORT -M: Andy Gross <andy.gross@linaro.org> +M: Andy Gross <agross@kernel.org> M: David Brown <david.brown@linaro.org> L: linux-arm-msm@vger.kernel.org S: Maintained diff --git a/arch/arm/mach-omap2/pm33xx-core.c b/arch/arm/mach-omap2/pm33xx-core.c index c93b6efd565f..f11442ed3eff 100644 --- a/arch/arm/mach-omap2/pm33xx-core.c +++ b/arch/arm/mach-omap2/pm33xx-core.c @@ -10,6 +10,12 @@ #include <asm/suspend.h> #include <linux/errno.h> #include <linux/platform_data/pm33xx.h> +#include <linux/clk.h> +#include <linux/platform_data/gpio-omap.h> +#include <linux/pinctrl/pinmux.h> +#include <linux/wkup_m3_ipc.h> +#include <linux/of.h> +#include <linux/rtc.h> #include "cm33xx.h" #include "common.h" @@ -38,6 +44,29 @@ static int am43xx_map_scu(void) return 0; } +static int am33xx_check_off_mode_enable(void) +{ + if (enable_off_mode) + pr_warn("WARNING: This platform does not support off-mode, entering DeepSleep suspend.\n"); + + /* off mode not supported on am335x so return 0 always */ + return 0; +} + +static int am43xx_check_off_mode_enable(void) +{ + /* + * Check for am437x-gp-evm which has the right Hardware design to + * support this mode reliably. + */ + if (of_machine_is_compatible("ti,am437x-gp-evm") && enable_off_mode) + return enable_off_mode; + else if (enable_off_mode) + pr_warn("WARNING: This platform does not support off-mode, entering DeepSleep suspend.\n"); + + return 0; +} + static int amx3_common_init(void) { gfx_pwrdm = pwrdm_lookup("gfx_pwrdm"); @@ -141,7 +170,9 @@ static int am43xx_suspend(unsigned int state, int (*fn)(unsigned long), scu_power_mode(scu_base, SCU_PM_POWEROFF); ret = cpu_suspend(args, fn); scu_power_mode(scu_base, SCU_PM_NORMAL); - amx3_post_suspend_common(); + + if (!am43xx_check_off_mode_enable()) + amx3_post_suspend_common(); return ret; } @@ -163,10 +194,48 @@ void __iomem *am43xx_get_rtc_base_addr(void) return omap_hwmod_get_mpu_rt_va(rtc_oh); } +static void am43xx_save_context(void) +{ +} + +static void am33xx_save_context(void) +{ + omap_intc_save_context(); +} + +static void am33xx_restore_context(void) +{ + omap_intc_restore_context(); +} + +static void am43xx_restore_context(void) +{ + /* + * HACK: restore dpll_per_clkdcoldo register contents, to avoid + * breaking suspend-resume + */ + writel_relaxed(0x0, AM33XX_L4_WK_IO_ADDRESS(0x44df2e14)); +} + +static void am43xx_prepare_rtc_suspend(void) +{ + omap_hwmod_enable(rtc_oh); +} + +static void am43xx_prepare_rtc_resume(void) +{ + omap_hwmod_idle(rtc_oh); +} + static struct am33xx_pm_platform_data am33xx_ops = { .init = am33xx_suspend_init, .soc_suspend = am33xx_suspend, .get_sram_addrs = amx3_get_sram_addrs, + .save_context = am33xx_save_context, + .restore_context = am33xx_restore_context, + .prepare_rtc_suspend = am43xx_prepare_rtc_suspend, + .prepare_rtc_resume = am43xx_prepare_rtc_resume, + .check_off_mode_enable = am33xx_check_off_mode_enable, .get_rtc_base_addr = am43xx_get_rtc_base_addr, }; @@ -174,6 +243,11 @@ static struct am33xx_pm_platform_data am43xx_ops = { .init = am43xx_suspend_init, .soc_suspend = am43xx_suspend, .get_sram_addrs = amx3_get_sram_addrs, + .save_context = am43xx_save_context, + .restore_context = am43xx_restore_context, + .prepare_rtc_suspend = am43xx_prepare_rtc_suspend, + .prepare_rtc_resume = am43xx_prepare_rtc_resume, + .check_off_mode_enable = am43xx_check_off_mode_enable, .get_rtc_base_addr = am43xx_get_rtc_base_addr, }; diff --git a/arch/arm/mach-omap2/sleep43xx.S b/arch/arm/mach-omap2/sleep43xx.S index 5b9343b58fc7..0c1031442571 100644 --- a/arch/arm/mach-omap2/sleep43xx.S +++ b/arch/arm/mach-omap2/sleep43xx.S @@ -368,6 +368,9 @@ wait_emif_enable1: mov r1, #AM43XX_EMIF_POWEROFF_DISABLE str r1, [r2, #0x0] + ldr r1, [r9, #EMIF_PM_RUN_HW_LEVELING] + blx r1 + #ifdef CONFIG_CACHE_L2X0 ldr r2, l2_cache_base ldr r0, [r2, #L2X0_CTRL] diff --git a/arch/arm/mach-tegra/Kconfig b/arch/arm/mach-tegra/Kconfig index 63e89e75639b..3a06ba263e34 100644 --- a/arch/arm/mach-tegra/Kconfig +++ b/arch/arm/mach-tegra/Kconfig @@ -10,6 +10,7 @@ menuconfig ARCH_TEGRA select HAVE_ARM_SCU if SMP select HAVE_ARM_TWD if SMP select PINCTRL + select PM select PM_OPP select RESET_CONTROLLER select SOC_BUS diff --git a/arch/arm/mach-tegra/cpuidle-tegra20.c b/arch/arm/mach-tegra/cpuidle-tegra20.c index 3f24addd7972..6620d61b5ec5 100644 --- a/arch/arm/mach-tegra/cpuidle-tegra20.c +++ b/arch/arm/mach-tegra/cpuidle-tegra20.c @@ -61,7 +61,8 @@ static struct cpuidle_driver tegra_idle_driver = { .exit_latency = 5000, .target_residency = 10000, .power_usage = 0, - .flags = CPUIDLE_FLAG_COUPLED, + .flags = CPUIDLE_FLAG_COUPLED | + CPUIDLE_FLAG_TIMER_STOP, .name = "powered-down", .desc = "CPU power gated", }, @@ -136,12 +137,8 @@ static bool tegra20_cpu_cluster_power_down(struct cpuidle_device *dev, if (tegra20_reset_cpu_1() || !tegra_cpu_rail_off_ready()) return false; - tick_broadcast_enter(); - tegra_idle_lp2_last(); - tick_broadcast_exit(); - if (cpu_online(1)) tegra20_wake_cpu1_from_reset(); @@ -153,14 +150,10 @@ static bool tegra20_idle_enter_lp2_cpu_1(struct cpuidle_device *dev, struct cpuidle_driver *drv, int index) { - tick_broadcast_enter(); - cpu_suspend(0, tegra20_sleep_cpu_secondary_finish); tegra20_cpu_clear_resettable(); - tick_broadcast_exit(); - return true; } #else diff --git a/arch/arm/mach-tegra/cpuidle-tegra30.c b/arch/arm/mach-tegra/cpuidle-tegra30.c index c1417361e10e..c8fe0447e3a9 100644 --- a/arch/arm/mach-tegra/cpuidle-tegra30.c +++ b/arch/arm/mach-tegra/cpuidle-tegra30.c @@ -56,6 +56,7 @@ static struct cpuidle_driver tegra_idle_driver = { .exit_latency = 2000, .target_residency = 2200, .power_usage = 0, + .flags = CPUIDLE_FLAG_TIMER_STOP, .name = "powered-down", .desc = "CPU power gated", }, @@ -76,12 +77,8 @@ static bool tegra30_cpu_cluster_power_down(struct cpuidle_device *dev, return false; } - tick_broadcast_enter(); - tegra_idle_lp2_last(); - tick_broadcast_exit(); - return true; } @@ -90,14 +87,10 @@ static bool tegra30_cpu_core_power_down(struct cpuidle_device *dev, struct cpuidle_driver *drv, int index) { - tick_broadcast_enter(); - smp_wmb(); cpu_suspend(0, tegra30_sleep_cpu_secondary_finish); - tick_broadcast_exit(); - return true; } #else diff --git a/arch/arm/mach-tegra/iomap.h b/arch/arm/mach-tegra/iomap.h index 4af9e92a216f..ba61db7fe533 100644 --- a/arch/arm/mach-tegra/iomap.h +++ b/arch/arm/mach-tegra/iomap.h @@ -79,24 +79,15 @@ #define TEGRA_PMC_BASE 0x7000E400 #define TEGRA_PMC_SIZE SZ_256 -#define TEGRA_MC_BASE 0x7000F000 -#define TEGRA_MC_SIZE SZ_1K - #define TEGRA_EMC_BASE 0x7000F400 #define TEGRA_EMC_SIZE SZ_1K -#define TEGRA114_MC_BASE 0x70019000 -#define TEGRA114_MC_SIZE SZ_4K - #define TEGRA_EMC0_BASE 0x7001A000 #define TEGRA_EMC0_SIZE SZ_2K #define TEGRA_EMC1_BASE 0x7001A800 #define TEGRA_EMC1_SIZE SZ_2K -#define TEGRA124_MC_BASE 0x70019000 -#define TEGRA124_MC_SIZE SZ_4K - #define TEGRA124_EMC_BASE 0x7001B000 #define TEGRA124_EMC_SIZE SZ_2K diff --git a/arch/arm/mach-tegra/sleep-tegra30.S b/arch/arm/mach-tegra/sleep-tegra30.S index d0b4c486ddbf..7727e005c30e 100644 --- a/arch/arm/mach-tegra/sleep-tegra30.S +++ b/arch/arm/mach-tegra/sleep-tegra30.S @@ -44,8 +44,6 @@ #define EMC_XM2VTTGENPADCTRL 0x310 #define EMC_XM2VTTGENPADCTRL2 0x314 -#define MC_EMEM_ARB_CFG 0x90 - #define PMC_CTRL 0x0 #define PMC_CTRL_SIDE_EFFECT_LP0 (1 << 14) /* enter LP0 when CPU pwr gated */ @@ -420,22 +418,6 @@ _pll_m_c_x_done: movweq r0, #:lower16:TEGRA124_EMC_BASE movteq r0, #:upper16:TEGRA124_EMC_BASE - cmp r10, #TEGRA30 - moveq r2, #0x20 - movweq r4, #:lower16:TEGRA_MC_BASE - movteq r4, #:upper16:TEGRA_MC_BASE - cmp r10, #TEGRA114 - moveq r2, #0x34 - movweq r4, #:lower16:TEGRA114_MC_BASE - movteq r4, #:upper16:TEGRA114_MC_BASE - cmp r10, #TEGRA124 - moveq r2, #0x20 - movweq r4, #:lower16:TEGRA124_MC_BASE - movteq r4, #:upper16:TEGRA124_MC_BASE - - ldr r1, [r5, r2] @ restore MC_EMEM_ARB_CFG - str r1, [r4, #MC_EMEM_ARB_CFG] - exit_self_refresh: ldr r1, [r5, #0xC] @ restore EMC_XM2VTTGENPADCTRL str r1, [r0, #EMC_XM2VTTGENPADCTRL] @@ -564,7 +546,6 @@ tegra30_sdram_pad_address: .word TEGRA_PMC_BASE + PMC_IO_DPD_STATUS @0x14 .word TEGRA_CLK_RESET_BASE + CLK_RESET_CLK_SOURCE_MSELECT @0x18 .word TEGRA_CLK_RESET_BASE + CLK_RESET_SCLK_BURST @0x1c - .word TEGRA_MC_BASE + MC_EMEM_ARB_CFG @0x20 tegra30_sdram_pad_address_end: tegra114_sdram_pad_address: @@ -581,7 +562,6 @@ tegra114_sdram_pad_address: .word TEGRA_EMC1_BASE + EMC_AUTO_CAL_INTERVAL @0x28 .word TEGRA_EMC1_BASE + EMC_XM2VTTGENPADCTRL @0x2c .word TEGRA_EMC1_BASE + EMC_XM2VTTGENPADCTRL2 @0x30 - .word TEGRA114_MC_BASE + MC_EMEM_ARB_CFG @0x34 tegra114_sdram_pad_adress_end: tegra124_sdram_pad_address: @@ -593,7 +573,6 @@ tegra124_sdram_pad_address: .word TEGRA_PMC_BASE + PMC_IO_DPD_STATUS @0x14 .word TEGRA_CLK_RESET_BASE + CLK_RESET_CLK_SOURCE_MSELECT @0x18 .word TEGRA_CLK_RESET_BASE + CLK_RESET_SCLK_BURST @0x1c - .word TEGRA124_MC_BASE + MC_EMEM_ARB_CFG @0x20 tegra124_sdram_pad_address_end: tegra30_sdram_pad_size: diff --git a/drivers/bus/tegra-aconnect.c b/drivers/bus/tegra-aconnect.c index 084ae286fa23..ac58142301f4 100644 --- a/drivers/bus/tegra-aconnect.c +++ b/drivers/bus/tegra-aconnect.c @@ -12,28 +12,38 @@ #include <linux/module.h> #include <linux/of_platform.h> #include <linux/platform_device.h> -#include <linux/pm_clock.h> #include <linux/pm_runtime.h> +struct tegra_aconnect { + struct clk *ape_clk; + struct clk *apb2ape_clk; +}; + static int tegra_aconnect_probe(struct platform_device *pdev) { - int ret; + struct tegra_aconnect *aconnect; if (!pdev->dev.of_node) return -EINVAL; - ret = pm_clk_create(&pdev->dev); - if (ret) - return ret; + aconnect = devm_kzalloc(&pdev->dev, sizeof(struct tegra_aconnect), + GFP_KERNEL); + if (!aconnect) + return -ENOMEM; - ret = of_pm_clk_add_clk(&pdev->dev, "ape"); - if (ret) - goto clk_destroy; + aconnect->ape_clk = devm_clk_get(&pdev->dev, "ape"); + if (IS_ERR(aconnect->ape_clk)) { + dev_err(&pdev->dev, "Can't retrieve ape clock\n"); + return PTR_ERR(aconnect->ape_clk); + } - ret = of_pm_clk_add_clk(&pdev->dev, "apb2ape"); - if (ret) - goto clk_destroy; + aconnect->apb2ape_clk = devm_clk_get(&pdev->dev, "apb2ape"); + if (IS_ERR(aconnect->apb2ape_clk)) { + dev_err(&pdev->dev, "Can't retrieve apb2ape clock\n"); + return PTR_ERR(aconnect->apb2ape_clk); + } + dev_set_drvdata(&pdev->dev, aconnect); pm_runtime_enable(&pdev->dev); of_platform_populate(pdev->dev.of_node, NULL, NULL, &pdev->dev); @@ -41,35 +51,51 @@ static int tegra_aconnect_probe(struct platform_device *pdev) dev_info(&pdev->dev, "Tegra ACONNECT bus registered\n"); return 0; - -clk_destroy: - pm_clk_destroy(&pdev->dev); - - return ret; } static int tegra_aconnect_remove(struct platform_device *pdev) { pm_runtime_disable(&pdev->dev); - pm_clk_destroy(&pdev->dev); - return 0; } static int tegra_aconnect_runtime_resume(struct device *dev) { - return pm_clk_resume(dev); + struct tegra_aconnect *aconnect = dev_get_drvdata(dev); + int ret; + + ret = clk_prepare_enable(aconnect->ape_clk); + if (ret) { + dev_err(dev, "ape clk_enable failed: %d\n", ret); + return ret; + } + + ret = clk_prepare_enable(aconnect->apb2ape_clk); + if (ret) { + clk_disable_unprepare(aconnect->ape_clk); + dev_err(dev, "apb2ape clk_enable failed: %d\n", ret); + return ret; + } + + return 0; } static int tegra_aconnect_runtime_suspend(struct device *dev) { - return pm_clk_suspend(dev); + struct tegra_aconnect *aconnect = dev_get_drvdata(dev); + + clk_disable_unprepare(aconnect->ape_clk); + clk_disable_unprepare(aconnect->apb2ape_clk); + + return 0; } static const struct dev_pm_ops tegra_aconnect_pm_ops = { SET_RUNTIME_PM_OPS(tegra_aconnect_runtime_suspend, tegra_aconnect_runtime_resume, NULL) + SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, + pm_runtime_force_resume) }; static const struct of_device_id tegra_aconnect_of_match[] = { diff --git a/drivers/clk/zynqmp/clkc.c b/drivers/clk/zynqmp/clkc.c index 8febd2431545..a11f93ecbf34 100644 --- a/drivers/clk/zynqmp/clkc.c +++ b/drivers/clk/zynqmp/clkc.c @@ -739,8 +739,8 @@ static int zynqmp_clock_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; eemi_ops = zynqmp_pm_get_eemi_ops(); - if (!eemi_ops) - return -ENXIO; + if (IS_ERR(eemi_ops)) + return PTR_ERR(eemi_ops); ret = zynqmp_clk_setup(dev->of_node); diff --git a/drivers/firmware/arm_scmi/driver.c b/drivers/firmware/arm_scmi/driver.c index 8f952f2f1a29..b5bc4c7a8fab 100644 --- a/drivers/firmware/arm_scmi/driver.c +++ b/drivers/firmware/arm_scmi/driver.c @@ -654,9 +654,7 @@ static int scmi_xfer_info_init(struct scmi_info *sinfo) static int scmi_mailbox_check(struct device_node *np) { - struct of_phandle_args arg; - - return of_parse_phandle_with_args(np, "mboxes", "#mbox-cells", 0, &arg); + return of_parse_phandle_with_args(np, "mboxes", "#mbox-cells", 0, NULL); } static int scmi_mbox_free_channel(int id, void *p, void *data) @@ -798,7 +796,9 @@ static int scmi_probe(struct platform_device *pdev) return -EINVAL; } - desc = of_match_device(scmi_of_match, dev)-> |