clk: ux500: Add Device Tree support for the PRCMU clock (f9fcb8e8) · Commits · e / devices / android_kernel_sony_msm8998

drivers/clk/ux500/u8500_of_clk.c

+48 −2

Original line number	Original line	Diff line number	Diff line
	@@ -15,6 +15,8 @@
	#include <linux/platform_data/clk-ux500.h>		#include <linux/platform_data/clk-ux500.h>
	#include "clk.h"		#include "clk.h"

			static struct clk *prcmu_clk[PRCMU_NUM_CLKS];

	#define PRCC_SHOW(clk, base, bit) \		#define PRCC_SHOW(clk, base, bit) \
	clk[(base * PRCC_PERIPHS_PER_CLUSTER) + bit]		clk[(base * PRCC_PERIPHS_PER_CLUSTER) + bit]

	@@ -61,12 +63,15 @@ void u8500_of_clk_init(u32 clkrst1_base, u32 clkrst2_base, u32 clkrst3_base,
	/* Clock sources */		/* Clock sources */
	clk = clk_reg_prcmu_gate("soc0_pll", NULL, PRCMU_PLLSOC0,		clk = clk_reg_prcmu_gate("soc0_pll", NULL, PRCMU_PLLSOC0,
	CLK_IS_ROOT\|CLK_IGNORE_UNUSED);		CLK_IS_ROOT\|CLK_IGNORE_UNUSED);
			prcmu_clk[PRCMU_PLLSOC0] = clk;

	clk = clk_reg_prcmu_gate("soc1_pll", NULL, PRCMU_PLLSOC1,		clk = clk_reg_prcmu_gate("soc1_pll", NULL, PRCMU_PLLSOC1,
	CLK_IS_ROOT\|CLK_IGNORE_UNUSED);		CLK_IS_ROOT\|CLK_IGNORE_UNUSED);
			prcmu_clk[PRCMU_PLLSOC1] = clk;

	clk = clk_reg_prcmu_gate("ddr_pll", NULL, PRCMU_PLLDDR,		clk = clk_reg_prcmu_gate("ddr_pll", NULL, PRCMU_PLLDDR,
	CLK_IS_ROOT\|CLK_IGNORE_UNUSED);		CLK_IS_ROOT\|CLK_IGNORE_UNUSED);
			prcmu_clk[PRCMU_PLLDDR] = clk;

	/* FIXME: Add sys, ulp and int clocks here. */		/* FIXME: Add sys, ulp and int clocks here. */

	@@ -94,93 +99,128 @@ void u8500_of_clk_init(u32 clkrst1_base, u32 clkrst2_base, u32 clkrst3_base,
	else		else
	clk = clk_reg_prcmu_gate("sgclk", NULL,		clk = clk_reg_prcmu_gate("sgclk", NULL,
	PRCMU_SGACLK, CLK_IS_ROOT);		PRCMU_SGACLK, CLK_IS_ROOT);
			prcmu_clk[PRCMU_SGACLK] = clk;

	clk = clk_reg_prcmu_gate("uartclk", NULL, PRCMU_UARTCLK, CLK_IS_ROOT);		clk = clk_reg_prcmu_gate("uartclk", NULL, PRCMU_UARTCLK, CLK_IS_ROOT);
			prcmu_clk[PRCMU_UARTCLK] = clk;

	clk = clk_reg_prcmu_gate("msp02clk", NULL, PRCMU_MSP02CLK, CLK_IS_ROOT);		clk = clk_reg_prcmu_gate("msp02clk", NULL, PRCMU_MSP02CLK, CLK_IS_ROOT);
			prcmu_clk[PRCMU_MSP02CLK] = clk;

	clk = clk_reg_prcmu_gate("msp1clk", NULL, PRCMU_MSP1CLK, CLK_IS_ROOT);		clk = clk_reg_prcmu_gate("msp1clk", NULL, PRCMU_MSP1CLK, CLK_IS_ROOT);
			prcmu_clk[PRCMU_MSP1CLK] = clk;

	clk = clk_reg_prcmu_gate("i2cclk", NULL, PRCMU_I2CCLK, CLK_IS_ROOT);		clk = clk_reg_prcmu_gate("i2cclk", NULL, PRCMU_I2CCLK, CLK_IS_ROOT);
			prcmu_clk[PRCMU_I2CCLK] = clk;

	clk = clk_reg_prcmu_gate("slimclk", NULL, PRCMU_SLIMCLK, CLK_IS_ROOT);		clk = clk_reg_prcmu_gate("slimclk", NULL, PRCMU_SLIMCLK, CLK_IS_ROOT);
			prcmu_clk[PRCMU_SLIMCLK] = clk;

	clk = clk_reg_prcmu_gate("per1clk", NULL, PRCMU_PER1CLK, CLK_IS_ROOT);		clk = clk_reg_prcmu_gate("per1clk", NULL, PRCMU_PER1CLK, CLK_IS_ROOT);
			prcmu_clk[PRCMU_PER1CLK] = clk;

	clk = clk_reg_prcmu_gate("per2clk", NULL, PRCMU_PER2CLK, CLK_IS_ROOT);		clk = clk_reg_prcmu_gate("per2clk", NULL, PRCMU_PER2CLK, CLK_IS_ROOT);
			prcmu_clk[PRCMU_PER2CLK] = clk;

	clk = clk_reg_prcmu_gate("per3clk", NULL, PRCMU_PER3CLK, CLK_IS_ROOT);		clk = clk_reg_prcmu_gate("per3clk", NULL, PRCMU_PER3CLK, CLK_IS_ROOT);
			prcmu_clk[PRCMU_PER3CLK] = clk;

	clk = clk_reg_prcmu_gate("per5clk", NULL, PRCMU_PER5CLK, CLK_IS_ROOT);		clk = clk_reg_prcmu_gate("per5clk", NULL, PRCMU_PER5CLK, CLK_IS_ROOT);
			prcmu_clk[PRCMU_PER5CLK] = clk;

	clk = clk_reg_prcmu_gate("per6clk", NULL, PRCMU_PER6CLK, CLK_IS_ROOT);		clk = clk_reg_prcmu_gate("per6clk", NULL, PRCMU_PER6CLK, CLK_IS_ROOT);
			prcmu_clk[PRCMU_PER6CLK] = clk;

	clk = clk_reg_prcmu_gate("per7clk", NULL, PRCMU_PER7CLK, CLK_IS_ROOT);		clk = clk_reg_prcmu_gate("per7clk", NULL, PRCMU_PER7CLK, CLK_IS_ROOT);
			prcmu_clk[PRCMU_PER7CLK] = clk;

	clk = clk_reg_prcmu_scalable("lcdclk", NULL, PRCMU_LCDCLK, 0,		clk = clk_reg_prcmu_scalable("lcdclk", NULL, PRCMU_LCDCLK, 0,
	CLK_IS_ROOT\|CLK_SET_RATE_GATE);		CLK_IS_ROOT\|CLK_SET_RATE_GATE);
			prcmu_clk[PRCMU_LCDCLK] = clk;

	clk = clk_reg_prcmu_opp_gate("bmlclk", NULL, PRCMU_BMLCLK, CLK_IS_ROOT);		clk = clk_reg_prcmu_opp_gate("bmlclk", NULL, PRCMU_BMLCLK, CLK_IS_ROOT);
			prcmu_clk[PRCMU_BMLCLK] = clk;

	clk = clk_reg_prcmu_scalable("hsitxclk", NULL, PRCMU_HSITXCLK, 0,		clk = clk_reg_prcmu_scalable("hsitxclk", NULL, PRCMU_HSITXCLK, 0,
	CLK_IS_ROOT\|CLK_SET_RATE_GATE);		CLK_IS_ROOT\|CLK_SET_RATE_GATE);
			prcmu_clk[PRCMU_HSITXCLK] = clk;

	clk = clk_reg_prcmu_scalable("hsirxclk", NULL, PRCMU_HSIRXCLK, 0,		clk = clk_reg_prcmu_scalable("hsirxclk", NULL, PRCMU_HSIRXCLK, 0,
	CLK_IS_ROOT\|CLK_SET_RATE_GATE);		CLK_IS_ROOT\|CLK_SET_RATE_GATE);
			prcmu_clk[PRCMU_HSIRXCLK] = clk;

	clk = clk_reg_prcmu_scalable("hdmiclk", NULL, PRCMU_HDMICLK, 0,		clk = clk_reg_prcmu_scalable("hdmiclk", NULL, PRCMU_HDMICLK, 0,
	CLK_IS_ROOT\|CLK_SET_RATE_GATE);		CLK_IS_ROOT\|CLK_SET_RATE_GATE);
			prcmu_clk[PRCMU_HDMICLK] = clk;

	clk = clk_reg_prcmu_gate("apeatclk", NULL, PRCMU_APEATCLK, CLK_IS_ROOT);		clk = clk_reg_prcmu_gate("apeatclk", NULL, PRCMU_APEATCLK, CLK_IS_ROOT);
			prcmu_clk[PRCMU_APEATCLK] = clk;

	clk = clk_reg_prcmu_gate("apetraceclk", NULL, PRCMU_APETRACECLK,		clk = clk_reg_prcmu_gate("apetraceclk", NULL, PRCMU_APETRACECLK,
	CLK_IS_ROOT);		CLK_IS_ROOT);
			prcmu_clk[PRCMU_APETRACECLK] = clk;

	clk = clk_reg_prcmu_gate("mcdeclk", NULL, PRCMU_MCDECLK, CLK_IS_ROOT);		clk = clk_reg_prcmu_gate("mcdeclk", NULL, PRCMU_MCDECLK, CLK_IS_ROOT);
			prcmu_clk[PRCMU_MCDECLK] = clk;

	clk = clk_reg_prcmu_opp_gate("ipi2cclk", NULL, PRCMU_IPI2CCLK,		clk = clk_reg_prcmu_opp_gate("ipi2cclk", NULL, PRCMU_IPI2CCLK,
	CLK_IS_ROOT);		CLK_IS_ROOT);
			prcmu_clk[PRCMU_IPI2CCLK] = clk;

	clk = clk_reg_prcmu_gate("dsialtclk", NULL, PRCMU_DSIALTCLK,		clk = clk_reg_prcmu_gate("dsialtclk", NULL, PRCMU_DSIALTCLK,
	CLK_IS_ROOT);		CLK_IS_ROOT);
			prcmu_clk[PRCMU_DSIALTCLK] = clk;

	clk = clk_reg_prcmu_gate("dmaclk", NULL, PRCMU_DMACLK, CLK_IS_ROOT);		clk = clk_reg_prcmu_gate("dmaclk", NULL, PRCMU_DMACLK, CLK_IS_ROOT);
			prcmu_clk[PRCMU_DMACLK] = clk;

	clk = clk_reg_prcmu_gate("b2r2clk", NULL, PRCMU_B2R2CLK, CLK_IS_ROOT);		clk = clk_reg_prcmu_gate("b2r2clk", NULL, PRCMU_B2R2CLK, CLK_IS_ROOT);
			prcmu_clk[PRCMU_B2R2CLK] = clk;

	clk = clk_reg_prcmu_scalable("tvclk", NULL, PRCMU_TVCLK, 0,		clk = clk_reg_prcmu_scalable("tvclk", NULL, PRCMU_TVCLK, 0,
	CLK_IS_ROOT\|CLK_SET_RATE_GATE);		CLK_IS_ROOT\|CLK_SET_RATE_GATE);
			prcmu_clk[PRCMU_TVCLK] = clk;

	clk = clk_reg_prcmu_gate("sspclk", NULL, PRCMU_SSPCLK, CLK_IS_ROOT);		clk = clk_reg_prcmu_gate("sspclk", NULL, PRCMU_SSPCLK, CLK_IS_ROOT);
			prcmu_clk[PRCMU_SSPCLK] = clk;

	clk = clk_reg_prcmu_gate("rngclk", NULL, PRCMU_RNGCLK, CLK_IS_ROOT);		clk = clk_reg_prcmu_gate("rngclk", NULL, PRCMU_RNGCLK, CLK_IS_ROOT);
			prcmu_clk[PRCMU_RNGCLK] = clk;

	clk = clk_reg_prcmu_gate("uiccclk", NULL, PRCMU_UICCCLK, CLK_IS_ROOT);		clk = clk_reg_prcmu_gate("uiccclk", NULL, PRCMU_UICCCLK, CLK_IS_ROOT);
			prcmu_clk[PRCMU_UICCCLK] = clk;

	clk = clk_reg_prcmu_gate("timclk", NULL, PRCMU_TIMCLK, CLK_IS_ROOT);		clk = clk_reg_prcmu_gate("timclk", NULL, PRCMU_TIMCLK, CLK_IS_ROOT);
			prcmu_clk[PRCMU_TIMCLK] = clk;

	clk = clk_reg_prcmu_opp_volt_scalable("sdmmcclk", NULL, PRCMU_SDMMCCLK,		clk = clk_reg_prcmu_opp_volt_scalable("sdmmcclk", NULL, PRCMU_SDMMCCLK,
	100000000,		100000000,
	CLK_IS_ROOT\|CLK_SET_RATE_GATE);		CLK_IS_ROOT\|CLK_SET_RATE_GATE);
			prcmu_clk[PRCMU_SDMMCCLK] = clk;

	clk = clk_reg_prcmu_scalable("dsi_pll", "hdmiclk",		clk = clk_reg_prcmu_scalable("dsi_pll", "hdmiclk",
	PRCMU_PLLDSI, 0, CLK_SET_RATE_GATE);		PRCMU_PLLDSI, 0, CLK_SET_RATE_GATE);
			prcmu_clk[PRCMU_PLLDSI] = clk;

	clk = clk_reg_prcmu_scalable("dsi0clk", "dsi_pll",		clk = clk_reg_prcmu_scalable("dsi0clk", "dsi_pll",
	PRCMU_DSI0CLK, 0, CLK_SET_RATE_GATE);		PRCMU_DSI0CLK, 0, CLK_SET_RATE_GATE);
			prcmu_clk[PRCMU_DSI0CLK] = clk;

	clk = clk_reg_prcmu_scalable("dsi1clk", "dsi_pll",		clk = clk_reg_prcmu_scalable("dsi1clk", "dsi_pll",
	PRCMU_DSI1CLK, 0, CLK_SET_RATE_GATE);		PRCMU_DSI1CLK, 0, CLK_SET_RATE_GATE);
			prcmu_clk[PRCMU_DSI1CLK] = clk;

	clk = clk_reg_prcmu_scalable("dsi0escclk", "tvclk",		clk = clk_reg_prcmu_scalable("dsi0escclk", "tvclk",
	PRCMU_DSI0ESCCLK, 0, CLK_SET_RATE_GATE);		PRCMU_DSI0ESCCLK, 0, CLK_SET_RATE_GATE);
			prcmu_clk[PRCMU_DSI0ESCCLK] = clk;

	clk = clk_reg_prcmu_scalable("dsi1escclk", "tvclk",		clk = clk_reg_prcmu_scalable("dsi1escclk", "tvclk",
	PRCMU_DSI1ESCCLK, 0, CLK_SET_RATE_GATE);		PRCMU_DSI1ESCCLK, 0, CLK_SET_RATE_GATE);
			prcmu_clk[PRCMU_DSI1ESCCLK] = clk;

	clk = clk_reg_prcmu_scalable("dsi2escclk", "tvclk",		clk = clk_reg_prcmu_scalable("dsi2escclk", "tvclk",
	PRCMU_DSI2ESCCLK, 0, CLK_SET_RATE_GATE);		PRCMU_DSI2ESCCLK, 0, CLK_SET_RATE_GATE);
			prcmu_clk[PRCMU_DSI2ESCCLK] = clk;

	clk = clk_reg_prcmu_scalable_rate("armss", NULL,		clk = clk_reg_prcmu_scalable_rate("armss", NULL,
	PRCMU_ARMSS, 0, CLK_IS_ROOT\|CLK_IGNORE_UNUSED);		PRCMU_ARMSS, 0, CLK_IS_ROOT\|CLK_IGNORE_UNUSED);
	@@ -417,6 +457,12 @@ void u8500_of_clk_init(u32 clkrst1_base, u32 clkrst2_base, u32 clkrst3_base,
	clkrst6_base, BIT(0), CLK_SET_RATE_GATE);		clkrst6_base, BIT(0), CLK_SET_RATE_GATE);

	for_each_child_of_node(np, child) {		for_each_child_of_node(np, child) {
	/* Place holder for supported nodes. */		static struct clk_onecell_data clk_data;

			if (!of_node_cmp(child->name, "prcmu-clock")) {
			clk_data.clks = prcmu_clk;
			clk_data.clk_num = ARRAY_SIZE(prcmu_clk);
			of_clk_add_provider(child, of_clk_src_onecell_get, &clk_data);
			}
	}		}
	}		}