Commit b3316a67 authored by Chunyan Zhang's avatar Chunyan Zhang Committed by Stephen Boyd
Browse files

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: default avatarChunyan Zhang <chunyan.zhang@spreadtrum.com>
Signed-off-by: default avatarStephen Boyd <sboyd@kernel.org>
parent f7c14dd5

drivers/clk/sprd/sc9860-clk.c

+76 −0
Original line number Diff line number Diff line
@@ -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,

};

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