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Commit 999531d9 authored by Amit Nischal's avatar Amit Nischal
Browse files

clk: qcom: Add smd-rpm voter & voter branch clocks for MSM8996 



MSM8996 requires the voter & voter branch clocks to be
available for clients to be able to enable/disable and
set rate on these clocks.
Also add support for keeping active set vote on mmssnoc
and pnoc voter clocks.

Change-Id: Ie596ddee60aac3e6fc996f9a3e8dc988b0f4aa88
Signed-off-by: default avatarAmit Nischal <anischal@codeaurora.org>
parent 7aada1c6

drivers/clk/qcom/clk-smd-rpm.c

+70 −23
Original line number Diff line number Diff line
@@ -551,6 +551,39 @@ DEFINE_CLK_SMD_RPM_XO_BUFFER_PINCTRL(msm8996, bb_clk2_pin, bb_clk2_a_pin, 2); 
DEFINE_CLK_SMD_RPM_XO_BUFFER_PINCTRL(msm8996, rf_clk1_pin, rf_clk1_a_pin, 4);

DEFINE_CLK_SMD_RPM_XO_BUFFER_PINCTRL(msm8996, rf_clk2_pin, rf_clk2_a_pin, 5);



/* Voter clocks */

static DEFINE_CLK_VOTER(mmssnoc_axi_clk, mmssnoc_axi_rpm_clk, 0);

static DEFINE_CLK_VOTER(mmssnoc_axi_a_clk, mmssnoc_axi_rpm_a_clk, 0);

static DEFINE_CLK_VOTER(mmssnoc_gds_clk, mmssnoc_axi_rpm_clk, 40000000);

static DEFINE_CLK_VOTER(bimc_msmbus_clk, bimc_clk, LONG_MAX);

static DEFINE_CLK_VOTER(bimc_msmbus_a_clk, bimc_a_clk, LONG_MAX);

static DEFINE_CLK_VOTER(cnoc_msmbus_clk, cnoc_clk, LONG_MAX);

static DEFINE_CLK_VOTER(cnoc_msmbus_a_clk, cnoc_a_clk, LONG_MAX);

static DEFINE_CLK_VOTER(snoc_msmbus_clk, snoc_clk, LONG_MAX);

static DEFINE_CLK_VOTER(snoc_msmbus_a_clk, snoc_a_clk, LONG_MAX);

static DEFINE_CLK_VOTER(cnoc_periph_keepalive_a_clk, cnoc_periph_a_clk,

							LONG_MAX);

static DEFINE_CLK_VOTER(mcd_ce1_clk, ce1_clk, 85710000);

static DEFINE_CLK_VOTER(qcedev_ce1_clk, ce1_clk, 85710000);

static DEFINE_CLK_VOTER(qcrypto_ce1_clk, ce1_clk, 85710000);

static DEFINE_CLK_VOTER(qseecom_ce1_clk, ce1_clk, 85710000);

static DEFINE_CLK_VOTER(scm_ce1_clk, ce1_clk, 85710000);

static DEFINE_CLK_VOTER(pnoc_keepalive_a_clk, pnoc_a_clk, LONG_MAX);

static DEFINE_CLK_VOTER(pnoc_msmbus_clk, pnoc_clk, LONG_MAX);

static DEFINE_CLK_VOTER(pnoc_msmbus_a_clk, pnoc_a_clk, LONG_MAX);

static DEFINE_CLK_VOTER(pnoc_pm_clk, pnoc_clk, LONG_MAX);

static DEFINE_CLK_VOTER(pnoc_sps_clk, pnoc_clk, 0);

static DEFINE_CLK_VOTER(mmssnoc_a_clk_cpu_vote, mmssnoc_axi_rpm_a_clk,

							19200000);



/* Voter Branch clocks */

static DEFINE_CLK_BRANCH_VOTER(cxo_dwc3_clk, cxo);

static DEFINE_CLK_BRANCH_VOTER(cxo_lpm_clk, cxo);

static DEFINE_CLK_BRANCH_VOTER(cxo_otg_clk, cxo);

static DEFINE_CLK_BRANCH_VOTER(cxo_pil_lpass_clk, cxo);

static DEFINE_CLK_BRANCH_VOTER(cxo_pil_ssc_clk, cxo);

static DEFINE_CLK_BRANCH_VOTER(cxo_pil_cdsp_clk, cxo);



static struct clk_hw *msm8996_clks[] = {

	[RPM_XO_CLK_SRC]	= &msm8996_cxo.hw,

	[RPM_XO_A_CLK_SRC]	= &msm8996_cxo_a.hw,
@@ -590,6 +623,31 @@ static struct clk_hw *msm8996_clks[] = { 
	[RPM_DIV_CLK3_AO]	= &msm8996_div_clk3_ao.hw,

	[RPM_LN_BB_CLK]		= &msm8996_ln_bb_clk.hw,

	[RPM_LN_BB_A_CLK]	= &msm8996_ln_bb_a_clk.hw,

	[MMSSNOC_AXI_CLK]	= &mmssnoc_axi_clk.hw,

	[MMSSNOC_AXI_A_CLK]	= &mmssnoc_axi_a_clk.hw,

	[MMSSNOC_GDS_CLK]	= &mmssnoc_gds_clk.hw,

	[BIMC_MSMBUS_CLK]	= &bimc_msmbus_clk.hw,

	[BIMC_MSMBUS_A_CLK]	= &bimc_msmbus_a_clk.hw,

	[CNOC_MSMBUS_CLK]	= &cnoc_msmbus_clk.hw,

	[CNOC_MSMBUS_A_CLK]	= &cnoc_msmbus_a_clk.hw,

	[PNOC_KEEPALIVE_A_CLK]	= &pnoc_keepalive_a_clk.hw,

	[PNOC_MSMBUS_CLK]	= &pnoc_msmbus_clk.hw,

	[PNOC_MSMBUS_A_CLK]	= &pnoc_msmbus_a_clk.hw,

	[PNOC_PM_CLK]		= &pnoc_pm_clk.hw,

	[PNOC_SPS_CLK]		= &pnoc_sps_clk.hw,

	[MCD_CE1_CLK]		= &mcd_ce1_clk.hw,

	[QCEDEV_CE1_CLK]	= &qcedev_ce1_clk.hw,

	[QCRYPTO_CE1_CLK]	= &qcrypto_ce1_clk.hw,

	[QSEECOM_CE1_CLK]	= &qseecom_ce1_clk.hw,

	[SCM_CE1_CLK]		= &scm_ce1_clk.hw,

	[SNOC_MSMBUS_CLK]	= &snoc_msmbus_clk.hw,

	[SNOC_MSMBUS_A_CLK]	= &snoc_msmbus_a_clk.hw,

	[CXO_DWC3_CLK]		= &cxo_dwc3_clk.hw,

	[CXO_LPM_CLK]		= &cxo_lpm_clk.hw,

	[CXO_OTG_CLK]		= &cxo_otg_clk.hw,

	[CXO_PIL_LPASS_CLK]	= &cxo_pil_lpass_clk.hw,

	[CXO_PIL_SSC_CLK]	= &cxo_pil_ssc_clk.hw,

	[MMSSNOC_A_CLK_CPU_VOTE] = &mmssnoc_a_clk_cpu_vote.hw

};



static const struct rpm_smd_clk_desc rpm_clk_msm8996 = {
@@ -627,26 +685,6 @@ DEFINE_CLK_SMD_RPM_XO_BUFFER_PINCTRL(msmfalcon, ln_bb_clk2_pin, 
							ln_bb_clk2_pin_ao, 0x2);

DEFINE_CLK_SMD_RPM_XO_BUFFER_PINCTRL(msmfalcon, ln_bb_clk3_pin,

							ln_bb_clk3_pin_ao, 0x3);

/* Voter clocks */

static DEFINE_CLK_VOTER(bimc_msmbus_clk, bimc_clk, LONG_MAX);

static DEFINE_CLK_VOTER(bimc_msmbus_a_clk, bimc_a_clk, LONG_MAX);

static DEFINE_CLK_VOTER(cnoc_msmbus_clk, cnoc_clk, LONG_MAX);

static DEFINE_CLK_VOTER(cnoc_msmbus_a_clk, cnoc_a_clk, LONG_MAX);

static DEFINE_CLK_VOTER(snoc_msmbus_clk, snoc_clk, LONG_MAX);

static DEFINE_CLK_VOTER(snoc_msmbus_a_clk, snoc_a_clk, LONG_MAX);

static DEFINE_CLK_VOTER(cnoc_periph_keepalive_a_clk, cnoc_periph_a_clk,

						LONG_MAX);

static DEFINE_CLK_VOTER(mcd_ce1_clk, ce1_clk, 85710000);

static DEFINE_CLK_VOTER(qcedev_ce1_clk, ce1_clk, 85710000);

static DEFINE_CLK_VOTER(qcrypto_ce1_clk, ce1_clk, 85710000);

static DEFINE_CLK_VOTER(qseecom_ce1_clk, ce1_clk, 85710000);

static DEFINE_CLK_VOTER(scm_ce1_clk, ce1_clk, 85710000);



static DEFINE_CLK_BRANCH_VOTER(cxo_dwc3_clk, cxo);

static DEFINE_CLK_BRANCH_VOTER(cxo_lpm_clk, cxo);

static DEFINE_CLK_BRANCH_VOTER(cxo_otg_clk, cxo);

static DEFINE_CLK_BRANCH_VOTER(cxo_pil_lpass_clk, cxo);

static DEFINE_CLK_BRANCH_VOTER(cxo_pil_cdsp_clk, cxo);



static struct clk_hw *msmfalcon_clks[] = {

	[RPM_XO_CLK_SRC]	= &msmfalcon_cxo.hw,
@@ -799,10 +837,19 @@ static int rpm_smd_clk_probe(struct platform_device *pdev) 
	if (ret)

		goto err;



	/* Keep an active vote on CXO in case no other driver votes for it */

	if (is_8996)

	if (is_8996) {

		/*

		 * Keep an active vote on CXO in case no other driver

		 * votes for it.

		 */

		clk_prepare_enable(msm8996_cxo_a.hw.clk);

	else if (is_falcon) {



		/* Hold an active set vote for the pnoc_keepalive_a_clk */

		clk_set_rate(pnoc_keepalive_a_clk.hw.clk, 19200000);

		clk_prepare_enable(pnoc_keepalive_a_clk.hw.clk);



		clk_prepare_enable(mmssnoc_a_clk_cpu_vote.hw.clk);

	} else if (is_falcon) {

		clk_prepare_enable(msmfalcon_cxo_a.hw.clk);



		/* Hold an active set vote for the cnoc_periph resource */

include/dt-bindings/clock/qcom,rpmcc.h

+1 −0
Original line number Diff line number Diff line
@@ -128,5 +128,6 @@ 
#define  CXO_PIL_SSC_CLK			83

#define  CXO_PIL_CDSP_CLK			84

#define  CNOC_PERIPH_KEEPALIVE_A_CLK		85

#define  MMSSNOC_A_CLK_CPU_VOTE			86



#endif