clk: meson8b: add the mplls clocks 0, 1 and 2

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
Link: lkml.kernel.org/r/20170309104154.28295-8-jbrunet@baylibre.com

diff --git a/drivers/clk/meson/meson8b.c b/drivers/clk/meson/meson8b.c
index 2937443..e998550 100644 (file)
--- a/drivers/clk/meson/meson8b.c
+++ b/drivers/clk/meson/meson8b.c
@@ -245,6 +245,96 @@ static struct clk_fixed_factor meson8b_fclk_div7 = {
        },
 };
 
+static struct meson_clk_mpll meson8b_mpll0 = {
+       .sdm = {
+               .reg_off = HHI_MPLL_CNTL7,
+               .shift   = 0,
+               .width   = 14,
+       },
+       .sdm_en = {
+               .reg_off = HHI_MPLL_CNTL7,
+               .shift   = 15,
+               .width   = 1,
+       },
+       .n2 = {
+               .reg_off = HHI_MPLL_CNTL7,
+               .shift   = 16,
+               .width   = 9,
+       },
+       .en = {
+               .reg_off = HHI_MPLL_CNTL7,
+               .shift   = 14,
+               .width   = 1,
+       },
+       .lock = &clk_lock,
+       .hw.init = &(struct clk_init_data){
+               .name = "mpll0",
+               .ops = &meson_clk_mpll_ops,
+               .parent_names = (const char *[]){ "fixed_pll" },
+               .num_parents = 1,
+       },
+};
+
+static struct meson_clk_mpll meson8b_mpll1 = {
+       .sdm = {
+               .reg_off = HHI_MPLL_CNTL8,
+               .shift   = 0,
+               .width   = 14,
+       },
+       .sdm_en = {
+               .reg_off = HHI_MPLL_CNTL8,
+               .shift   = 15,
+               .width   = 1,
+       },
+       .n2 = {
+               .reg_off = HHI_MPLL_CNTL8,
+               .shift   = 16,
+               .width   = 9,
+       },
+       .en = {
+               .reg_off = HHI_MPLL_CNTL8,
+               .shift   = 14,
+               .width   = 1,
+       },
+       .lock = &clk_lock,
+       .hw.init = &(struct clk_init_data){
+               .name = "mpll1",
+               .ops = &meson_clk_mpll_ops,
+               .parent_names = (const char *[]){ "fixed_pll" },
+               .num_parents = 1,
+       },
+};
+
+static struct meson_clk_mpll meson8b_mpll2 = {
+       .sdm = {
+               .reg_off = HHI_MPLL_CNTL9,
+               .shift   = 0,
+               .width   = 14,
+       },
+       .sdm_en = {
+               .reg_off = HHI_MPLL_CNTL9,
+               .shift   = 15,
+               .width   = 1,
+       },
+       .n2 = {
+               .reg_off = HHI_MPLL_CNTL9,
+               .shift   = 16,
+               .width   = 9,
+       },
+       .en = {
+               .reg_off = HHI_MPLL_CNTL9,
+               .shift   = 14,
+               .width   = 1,
+       },
+       .lock = &clk_lock,
+       .hw.init = &(struct clk_init_data){
+               .name = "mpll2",
+               .ops = &meson_clk_mpll_ops,
+               .parent_names = (const char *[]){ "fixed_pll" },
+               .num_parents = 1,
+       },
+};
+
 /*
  * FIXME cpu clocks and the legacy composite clocks (e.g. clk81) are both PLL
  * post-dividers and should be modeled with their respective PLLs via the
@@ -491,6 +581,9 @@ static struct clk_hw_onecell_data meson8b_hw_onecell_data = {
                [CLKID_AO_AHB_SRAM]         = &meson8b_ao_ahb_sram.hw,
                [CLKID_AO_AHB_BUS]          = &meson8b_ao_ahb_bus.hw,
                [CLKID_AO_IFACE]            = &meson8b_ao_iface.hw,
+               [CLKID_MPLL0]               = &meson8b_mpll0.hw,
+               [CLKID_MPLL1]               = &meson8b_mpll1.hw,
+               [CLKID_MPLL2]               = &meson8b_mpll2.hw,
        },
        .num = CLK_NR_CLKS,
 };
@@ -501,6 +594,12 @@ static struct meson_clk_pll *const meson8b_clk_plls[] = {
        &meson8b_sys_pll,
 };
 
+static struct meson_clk_mpll *const meson8b_clk_mplls[] = {
+       &meson8b_mpll0,
+       &meson8b_mpll1,
+       &meson8b_mpll2,
+};
+
 static struct clk_gate *const meson8b_clk_gates[] = {
        &meson8b_clk81,
        &meson8b_ddr,
@@ -609,6 +708,10 @@ static int meson8b_clkc_probe(struct platform_device *pdev)
        for (i = 0; i < ARRAY_SIZE(meson8b_clk_plls); i++)
                meson8b_clk_plls[i]->base = clk_base;
 
+       /* Populate base address for MPLLs */
+       for (i = 0; i < ARRAY_SIZE(meson8b_clk_mplls); i++)
+               meson8b_clk_mplls[i]->base = clk_base;
+
        /* Populate the base address for CPU clk */
        meson8b_cpu_clk.base = clk_base;
 

diff --git a/drivers/clk/meson/meson8b.h b/drivers/clk/meson/meson8b.h
index 010e958..3881def 100644 (file)
--- a/drivers/clk/meson/meson8b.h
+++ b/drivers/clk/meson/meson8b.h
@@ -42,6 +42,21 @@
 #define HHI_VID_PLL_CNTL               0x320 /* 0xc8 offset in data sheet */
 
 /*
+ * MPLL register offeset taken from the S905 datasheet. Vendor kernel source
+ * confirm these are the same for the S805.
+ */
+#define HHI_MPLL_CNTL                  0x280 /* 0xa0 offset in data sheet */
+#define HHI_MPLL_CNTL2                 0x284 /* 0xa1 offset in data sheet */
+#define HHI_MPLL_CNTL3                 0x288 /* 0xa2 offset in data sheet */
+#define HHI_MPLL_CNTL4                 0x28C /* 0xa3 offset in data sheet */
+#define HHI_MPLL_CNTL5                 0x290 /* 0xa4 offset in data sheet */
+#define HHI_MPLL_CNTL6                 0x294 /* 0xa5 offset in data sheet */
+#define HHI_MPLL_CNTL7                 0x298 /* 0xa6 offset in data sheet */
+#define HHI_MPLL_CNTL8                 0x29C /* 0xa7 offset in data sheet */
+#define HHI_MPLL_CNTL9                 0x2A0 /* 0xa8 offset in data sheet */
+#define HHI_MPLL_CNTL10                        0x2A4 /* 0xa9 offset in data sheet */
+
+/*
  * CLKID index values
  *
  * These indices are entirely contrived and do not map onto the hardware.
@@ -142,8 +157,11 @@
 #define CLKID_AO_AHB_SRAM      90
 #define CLKID_AO_AHB_BUS       91
 #define CLKID_AO_IFACE         92
+#define CLKID_MPLL0            93
+#define CLKID_MPLL1            94
+#define CLKID_MPLL2            95
 
-#define CLK_NR_CLKS            93
+#define CLK_NR_CLKS            96
 
 /* include the CLKIDs that have been made part of the stable DT binding */
 #include <dt-bindings/clock/meson8b-clkc.h>