clk: sprd: add RTC gate for SC9860

Add a few gate clocks which are used for gating RTC for some
devices on AON area of SC9860.

This patch has been tested on SC9860, with this patch and proper DT
configurations, the watchdog can be initialized and work well.

Signed-off-by: Chunyan Zhang <chunyan.zhang@spreadtrum.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

diff --git a/drivers/clk/sprd/sc9860-clk.c b/drivers/clk/sprd/sc9860-clk.c
index ed5c027df0f49f20d97bd089a6ffc4120ecdec71..9980ab55271ba2f71f7ad09ba04d2bbd23468eb7 100644 (file)
--- a/drivers/clk/sprd/sc9860-clk.c
+++ b/drivers/clk/sprd/sc9860-clk.c
@@ -959,6 +959,44 @@ static SPRD_SC_GATE_CLK(sdio2_2x_en,       "sdio2-2x-en",  "aon-apb", 0x13c,
                               0x1000, BIT(6), 0, 0);
 static SPRD_SC_GATE_CLK(emmc_2x_en,    "emmc-2x-en",   "aon-apb", 0x13c,
                               0x1000, BIT(9), 0, 0);
+static SPRD_SC_GATE_CLK(arch_rtc_eb, "arch-rtc-eb",    "aon-apb", 0x10,
+                    0x1000, BIT(0), CLK_IGNORE_UNUSED, 0);
+static SPRD_SC_GATE_CLK(kpb_rtc_eb, "kpb-rtc-eb",      "aon-apb", 0x10,
+                    0x1000, BIT(1), CLK_IGNORE_UNUSED, 0);
+static SPRD_SC_GATE_CLK(aon_syst_rtc_eb, "aon-syst-rtc-eb",    "aon-apb", 0x10,
+                    0x1000, BIT(2), CLK_IGNORE_UNUSED, 0);
+static SPRD_SC_GATE_CLK(ap_syst_rtc_eb, "ap-syst-rtc-eb",      "aon-apb", 0x10,
+                    0x1000, BIT(3), CLK_IGNORE_UNUSED, 0);
+static SPRD_SC_GATE_CLK(aon_tmr_rtc_eb, "aon-tmr-rtc-eb",      "aon-apb", 0x10,
+                    0x1000, BIT(4), CLK_IGNORE_UNUSED, 0);
+static SPRD_SC_GATE_CLK(ap_tmr0_rtc_eb, "ap-tmr0-rtc-eb",      "aon-apb", 0x10,
+                    0x1000, BIT(5), CLK_IGNORE_UNUSED, 0);
+static SPRD_SC_GATE_CLK(eic_rtc_eb, "eic-rtc-eb",      "aon-apb", 0x10,
+                    0x1000, BIT(6), CLK_IGNORE_UNUSED, 0);
+static SPRD_SC_GATE_CLK(eic_rtcdv5_eb, "eic-rtcdv5-eb",        "aon-apb", 0x10,
+                    0x1000, BIT(7), CLK_IGNORE_UNUSED, 0);
+static SPRD_SC_GATE_CLK(ap_wdg_rtc_eb, "ap-wdg-rtc-eb",        "aon-apb", 0x10,
+                    0x1000, BIT(9), CLK_IGNORE_UNUSED, 0);
+static SPRD_SC_GATE_CLK(ap_tmr1_rtc_eb, "ap-tmr1-rtc-eb",      "aon-apb", 0x10,
+                    0x1000, BIT(15), CLK_IGNORE_UNUSED, 0);
+static SPRD_SC_GATE_CLK(ap_tmr2_rtc_eb, "ap-tmr2-rtc-eb",      "aon-apb", 0x10,
+                    0x1000, BIT(16), CLK_IGNORE_UNUSED, 0);
+static SPRD_SC_GATE_CLK(dcxo_tmr_rtc_eb, "dcxo-tmr-rtc-eb",    "aon-apb", 0x10,
+                    0x1000, BIT(17), CLK_IGNORE_UNUSED, 0);
+static SPRD_SC_GATE_CLK(bb_cal_rtc_eb, "bb-cal-rtc-eb",        "aon-apb", 0x10,
+                    0x1000, BIT(18), CLK_IGNORE_UNUSED, 0);
+static SPRD_SC_GATE_CLK(avs_big_rtc_eb, "avs-big-rtc-eb",      "aon-apb", 0x10,
+                    0x1000, BIT(20), CLK_IGNORE_UNUSED, 0);
+static SPRD_SC_GATE_CLK(avs_lit_rtc_eb, "avs-lit-rtc-eb",      "aon-apb", 0x10,
+                    0x1000, BIT(21), CLK_IGNORE_UNUSED, 0);
+static SPRD_SC_GATE_CLK(avs_gpu0_rtc_eb, "avs-gpu0-rtc-eb",    "aon-apb", 0x10,
+                    0x1000, BIT(22), CLK_IGNORE_UNUSED, 0);
+static SPRD_SC_GATE_CLK(avs_gpu1_rtc_eb, "avs-gpu1-rtc-eb",    "aon-apb", 0x10,
+                    0x1000, BIT(23), CLK_IGNORE_UNUSED, 0);
+static SPRD_SC_GATE_CLK(gpu_ts_eb, "gpu-ts-eb",        "aon-apb", 0x10,
+                    0x1000, BIT(24), CLK_IGNORE_UNUSED, 0);
+static SPRD_SC_GATE_CLK(rtcdv10_eb, "rtcdv10-eb",      "aon-apb", 0x10,
+                    0x1000, BIT(27), CLK_IGNORE_UNUSED, 0);
 
 static struct sprd_clk_common *sc9860_aon_gate[] = {
        /* address base is 0x402e0000 */
@@ -1030,6 +1068,25 @@ static struct sprd_clk_common *sc9860_aon_gate[] = {
        &sdio1_2x_en.common,
        &sdio2_2x_en.common,
        &emmc_2x_en.common,
+       &arch_rtc_eb.common,
+       &kpb_rtc_eb.common,
+       &aon_syst_rtc_eb.common,
+       &ap_syst_rtc_eb.common,
+       &aon_tmr_rtc_eb.common,
+       &ap_tmr0_rtc_eb.common,
+       &eic_rtc_eb.common,
+       &eic_rtcdv5_eb.common,
+       &ap_wdg_rtc_eb.common,
+       &ap_tmr1_rtc_eb.common,
+       &ap_tmr2_rtc_eb.common,
+       &dcxo_tmr_rtc_eb.common,
+       &bb_cal_rtc_eb.common,
+       &avs_big_rtc_eb.common,
+       &avs_lit_rtc_eb.common,
+       &avs_gpu0_rtc_eb.common,
+       &avs_gpu1_rtc_eb.common,
+       &gpu_ts_eb.common,
+       &rtcdv10_eb.common,
 };
 
 static struct clk_hw_onecell_data sc9860_aon_gate_hws = {
@@ -1102,6 +1159,25 @@ static struct clk_hw_onecell_data sc9860_aon_gate_hws = {
                [CLK_SDIO1_2X_EN]       = &sdio1_2x_en.common.hw,
                [CLK_SDIO2_2X_EN]       = &sdio2_2x_en.common.hw,
                [CLK_EMMC_2X_EN]        = &emmc_2x_en.common.hw,
+               [CLK_ARCH_RTC_EB]       = &arch_rtc_eb.common.hw,
+               [CLK_KPB_RTC_EB]        = &kpb_rtc_eb.common.hw,
+               [CLK_AON_SYST_RTC_EB]   = &aon_syst_rtc_eb.common.hw,
+               [CLK_AP_SYST_RTC_EB]    = &ap_syst_rtc_eb.common.hw,
+               [CLK_AON_TMR_RTC_EB]    = &aon_tmr_rtc_eb.common.hw,
+               [CLK_AP_TMR0_RTC_EB]    = &ap_tmr0_rtc_eb.common.hw,
+               [CLK_EIC_RTC_EB]        = &eic_rtc_eb.common.hw,
+               [CLK_EIC_RTCDV5_EB]     = &eic_rtcdv5_eb.common.hw,
+               [CLK_AP_WDG_RTC_EB]     = &ap_wdg_rtc_eb.common.hw,
+               [CLK_AP_TMR1_RTC_EB]    = &ap_tmr1_rtc_eb.common.hw,
+               [CLK_AP_TMR2_RTC_EB]    = &ap_tmr2_rtc_eb.common.hw,
+               [CLK_DCXO_TMR_RTC_EB]   = &dcxo_tmr_rtc_eb.common.hw,
+               [CLK_BB_CAL_RTC_EB]     = &bb_cal_rtc_eb.common.hw,
+               [CLK_AVS_BIG_RTC_EB]    = &avs_big_rtc_eb.common.hw,
+               [CLK_AVS_LIT_RTC_EB]    = &avs_lit_rtc_eb.common.hw,
+               [CLK_AVS_GPU0_RTC_EB]   = &avs_gpu0_rtc_eb.common.hw,
+               [CLK_AVS_GPU1_RTC_EB]   = &avs_gpu1_rtc_eb.common.hw,
+               [CLK_GPU_TS_EB]         = &gpu_ts_eb.common.hw,
+               [CLK_RTCDV10_EB]        = &rtcdv10_eb.common.hw,
        },
        .num    = CLK_AON_GATE_NUM,
 };