rockchip: clk: Add rv1108 clock driver

Add clock driver support for Rockchip rv1108 soc

Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

2 files changed, 112 insertions, 0 deletions

diff --git a/arch/arm/include/asm/arch-rockchip/cru_rv1108.h b/arch/arm/include/asm/arch-rockchip/cru_rv1108.h
new file mode 100644
index 0000000000..2a1ae692be
--- /dev/null
+++ b/arch/arm/include/asm/arch-rockchip/cru_rv1108.h
@@ -0,0 +1,111 @@
+/*
+ * (C) Copyright 2016 Rockchip Electronics Co., Ltd
+ * Author: Andy Yan <andy.yan@rock-chips.com>
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+#ifndef _ASM_ARCH_CRU_RV1108_H
+#define _ASM_ARCH_CRU_RV1108_H
+
+#include <common.h>
+
+#define OSC_HZ		(24 * 1000 * 1000)
+
+#define APLL_HZ		(600 * 1000000)
+#define GPLL_HZ		(594 * 1000000)
+
+struct rv1108_clk_priv {
+	struct rv1108_cru *cru;
+	ulong rate;
+};
+
+struct rv1108_cru {
+	struct rv1108_pll {
+		unsigned int con0;
+		unsigned int con1;
+		unsigned int con2;
+		unsigned int con3;
+		unsigned int con4;
+		unsigned int con5;
+		unsigned int reserved[2];
+	} pll[3];
+	unsigned int clksel_con[46];
+	unsigned int reserved1[2];
+	unsigned int clkgate_con[20];
+	unsigned int reserved2[4];
+	unsigned int softrst_con[13];
+	unsigned int reserved3[3];
+	unsigned int glb_srst_fst_val;
+	unsigned int glb_srst_snd_val;
+	unsigned int glb_cnt_th;
+	unsigned int misc_con;
+	unsigned int glb_rst_con;
+	unsigned int glb_rst_st;
+	unsigned int sdmmc_con[2];
+	unsigned int sdio_con[2];
+	unsigned int emmc_con[2];
+};
+check_member(rv1108_cru, emmc_con[1], 0x01ec);
+
+struct pll_div {
+	u32 refdiv;
+	u32 fbdiv;
+	u32 postdiv1;
+	u32 postdiv2;
+	u32 frac;
+};
+
+enum {
+	/* PLL CON0 */
+	FBDIV_MASK		= 0xfff,
+	FBDIV_SHIFT		= 0,
+
+	/* PLL CON1 */
+	POSTDIV2_SHIFT          = 12,
+	POSTDIV2_MASK		= 7 << POSTDIV2_SHIFT,
+	POSTDIV1_SHIFT          = 8,
+	POSTDIV1_MASK		= 7 << POSTDIV1_SHIFT,
+	REFDIV_MASK		= 0x3f,
+	REFDIV_SHIFT		= 0,
+
+	/* PLL CON2 */
+	LOCK_STA_SHIFT          = 31,
+	LOCK_STA_MASK		= 1 << LOCK_STA_SHIFT,
+	FRACDIV_MASK		= 0xffffff,
+	FRACDIV_SHIFT		= 0,
+
+	/* PLL CON3 */
+	WORK_MODE_SHIFT         = 8,
+	WORK_MODE_MASK		= 1 << WORK_MODE_SHIFT,
+	WORK_MODE_SLOW		= 0,
+	WORK_MODE_NORMAL	= 1,
+	DSMPD_SHIFT             = 3,
+	DSMPD_MASK		= 1 << DSMPD_SHIFT,
+
+	/* CLKSEL0_CON */
+	CORE_PLL_SEL_SHIFT	= 8,
+	CORE_PLL_SEL_MASK	= 3 << CORE_PLL_SEL_SHIFT,
+	CORE_PLL_SEL_APLL	= 0,
+	CORE_PLL_SEL_GPLL	= 1,
+	CORE_PLL_SEL_DPLL	= 2,
+	CORE_CLK_DIV_SHIFT	= 0,
+	CORE_CLK_DIV_MASK	= 0x1f << CORE_CLK_DIV_SHIFT,
+
+	/* CLKSEL24_CON */
+	MAC_PLL_SEL_SHIFT	= 12,
+	MAC_PLL_SEL_MASK	= 1 << MAC_PLL_SEL_SHIFT,
+	MAC_PLL_SEL_APLL	= 0,
+	MAC_PLL_SEL_GPLL	= 1,
+	RMII_EXTCLK_SEL_SHIFT   = 8,
+	RMII_EXTCLK_SEL_MASK	= 1 << RMII_EXTCLK_SEL_SHIFT,
+	MAC_CLK_DIV_MASK	= 0x1f,
+	MAC_CLK_DIV_SHIFT	= 0,
+
+	/* CLKSEL27_CON */
+	SFC_PLL_SEL_SHIFT	= 7,
+	SFC_PLL_SEL_MASK	= 1 << SFC_PLL_SEL_SHIFT,
+	SFC_PLL_SEL_DPLL	= 0,
+	SFC_PLL_SEL_GPLL	= 1,
+	SFC_CLK_DIV_SHIFT	= 0,
+	SFC_CLK_DIV_MASK	= 0x3f << SFC_CLK_DIV_SHIFT,
+};
+#endif
diff --git a/arch/arm/include/asm/arch-rockchip/periph.h b/arch/arm/include/asm/arch-rockchip/periph.h
index 8018d47348..9f4bc2e107 100644
--- a/arch/arm/include/asm/arch-rockchip/periph.h
+++ b/arch/arm/include/asm/arch-rockchip/periph.h
@@ -42,6 +42,7 @@ enum periph_id {
 	PERIPH_ID_SDMMC2,
 	PERIPH_ID_HDMI,
 	PERIPH_ID_GMAC,
+	PERIPH_ID_SFC,
 
 	PERIPH_ID_COUNT,