ARM: imx6: change some clocks to fixup clocks
All the clocks controlled by the register 'CCM Serial Clock
Multiplexer Register 1' should be fixup clocks. This patch
changes those clocks from basic multiplexer or divider clocks
to fixup clocks.
Signed-off-by: Liu Ying <Ying.Liu@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
diff --git a/arch/arm/mach-imx/clk-imx6q.c b/arch/arm/mach-imx/clk-imx6q.c
index 82a85ce..db9f8f5 100644
--- a/arch/arm/mach-imx/clk-imx6q.c
+++ b/arch/arm/mach-imx/clk-imx6q.c
@@ -384,16 +384,16 @@
clk[ipu2_di1_sel] = imx_clk_mux("ipu2_di1_sel", base + 0x38, 9, 3, ipu2_di1_sels, ARRAY_SIZE(ipu2_di1_sels));
clk[hsi_tx_sel] = imx_clk_mux("hsi_tx_sel", base + 0x30, 28, 1, hsi_tx_sels, ARRAY_SIZE(hsi_tx_sels));
clk[pcie_axi_sel] = imx_clk_mux("pcie_axi_sel", base + 0x18, 10, 1, pcie_axi_sels, ARRAY_SIZE(pcie_axi_sels));
- clk[ssi1_sel] = imx_clk_mux("ssi1_sel", base + 0x1c, 10, 2, ssi_sels, ARRAY_SIZE(ssi_sels));
- clk[ssi2_sel] = imx_clk_mux("ssi2_sel", base + 0x1c, 12, 2, ssi_sels, ARRAY_SIZE(ssi_sels));
- clk[ssi3_sel] = imx_clk_mux("ssi3_sel", base + 0x1c, 14, 2, ssi_sels, ARRAY_SIZE(ssi_sels));
- clk[usdhc1_sel] = imx_clk_mux("usdhc1_sel", base + 0x1c, 16, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels));
- clk[usdhc2_sel] = imx_clk_mux("usdhc2_sel", base + 0x1c, 17, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels));
- clk[usdhc3_sel] = imx_clk_mux("usdhc3_sel", base + 0x1c, 18, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels));
- clk[usdhc4_sel] = imx_clk_mux("usdhc4_sel", base + 0x1c, 19, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels));
+ clk[ssi1_sel] = imx_clk_fixup_mux("ssi1_sel", base + 0x1c, 10, 2, ssi_sels, ARRAY_SIZE(ssi_sels), imx_cscmr1_fixup);
+ clk[ssi2_sel] = imx_clk_fixup_mux("ssi2_sel", base + 0x1c, 12, 2, ssi_sels, ARRAY_SIZE(ssi_sels), imx_cscmr1_fixup);
+ clk[ssi3_sel] = imx_clk_fixup_mux("ssi3_sel", base + 0x1c, 14, 2, ssi_sels, ARRAY_SIZE(ssi_sels), imx_cscmr1_fixup);
+ clk[usdhc1_sel] = imx_clk_fixup_mux("usdhc1_sel", base + 0x1c, 16, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels), imx_cscmr1_fixup);
+ clk[usdhc2_sel] = imx_clk_fixup_mux("usdhc2_sel", base + 0x1c, 17, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels), imx_cscmr1_fixup);
+ clk[usdhc3_sel] = imx_clk_fixup_mux("usdhc3_sel", base + 0x1c, 18, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels), imx_cscmr1_fixup);
+ clk[usdhc4_sel] = imx_clk_fixup_mux("usdhc4_sel", base + 0x1c, 19, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels), imx_cscmr1_fixup);
clk[enfc_sel] = imx_clk_mux("enfc_sel", base + 0x2c, 16, 2, enfc_sels, ARRAY_SIZE(enfc_sels));
- clk[emi_sel] = imx_clk_mux("emi_sel", base + 0x1c, 27, 2, emi_sels, ARRAY_SIZE(emi_sels));
- clk[emi_slow_sel] = imx_clk_mux("emi_slow_sel", base + 0x1c, 29, 2, emi_slow_sels, ARRAY_SIZE(emi_slow_sels));
+ clk[emi_sel] = imx_clk_fixup_mux("emi_sel", base + 0x1c, 27, 2, emi_sels, ARRAY_SIZE(emi_sels), imx_cscmr1_fixup);
+ clk[emi_slow_sel] = imx_clk_fixup_mux("emi_slow_sel", base + 0x1c, 29, 2, emi_slow_sels, ARRAY_SIZE(emi_slow_sels), imx_cscmr1_fixup);
clk[vdo_axi_sel] = imx_clk_mux("vdo_axi_sel", base + 0x18, 11, 1, vdo_axi_sels, ARRAY_SIZE(vdo_axi_sels));
clk[vpu_axi_sel] = imx_clk_mux("vpu_axi_sel", base + 0x18, 14, 2, vpu_axi_sels, ARRAY_SIZE(vpu_axi_sels));
clk[cko1_sel] = imx_clk_mux("cko1_sel", base + 0x60, 0, 4, cko1_sels, ARRAY_SIZE(cko1_sels));
@@ -406,7 +406,7 @@
clk[periph_clk2] = imx_clk_divider("periph_clk2", "periph_clk2_sel", base + 0x14, 27, 3);
clk[periph2_clk2] = imx_clk_divider("periph2_clk2", "periph2_clk2_sel", base + 0x14, 0, 3);
clk[ipg] = imx_clk_divider("ipg", "ahb", base + 0x14, 8, 2);
- clk[ipg_per] = imx_clk_divider("ipg_per", "ipg", base + 0x1c, 0, 6);
+ clk[ipg_per] = imx_clk_fixup_divider("ipg_per", "ipg", base + 0x1c, 0, 6, imx_cscmr1_fixup);
clk[esai_pred] = imx_clk_divider("esai_pred", "esai_sel", base + 0x28, 9, 3);
clk[esai_podf] = imx_clk_divider("esai_podf", "esai_pred", base + 0x28, 25, 3);
clk[asrc_pred] = imx_clk_divider("asrc_pred", "asrc_sel", base + 0x30, 12, 3);
@@ -442,8 +442,8 @@
clk[usdhc4_podf] = imx_clk_divider("usdhc4_podf", "usdhc4_sel", base + 0x24, 22, 3);
clk[enfc_pred] = imx_clk_divider("enfc_pred", "enfc_sel", base + 0x2c, 18, 3);
clk[enfc_podf] = imx_clk_divider("enfc_podf", "enfc_pred", base + 0x2c, 21, 6);
- clk[emi_podf] = imx_clk_divider("emi_podf", "emi_sel", base + 0x1c, 20, 3);
- clk[emi_slow_podf] = imx_clk_divider("emi_slow_podf", "emi_slow_sel", base + 0x1c, 23, 3);
+ clk[emi_podf] = imx_clk_fixup_divider("emi_podf", "emi_sel", base + 0x1c, 20, 3, imx_cscmr1_fixup);
+ clk[emi_slow_podf] = imx_clk_fixup_divider("emi_slow_podf", "emi_slow_sel", base + 0x1c, 23, 3, imx_cscmr1_fixup);
clk[vpu_axi_podf] = imx_clk_divider("vpu_axi_podf", "vpu_axi_sel", base + 0x24, 25, 3);
clk[cko1_podf] = imx_clk_divider("cko1_podf", "cko1_sel", base + 0x60, 4, 3);
diff --git a/arch/arm/mach-imx/clk-imx6sl.c b/arch/arm/mach-imx/clk-imx6sl.c
index a307ac2..a5c3c5d 100644
--- a/arch/arm/mach-imx/clk-imx6sl.c
+++ b/arch/arm/mach-imx/clk-imx6sl.c
@@ -138,14 +138,14 @@
clks[IMX6SL_CLK_PERIPH_CLK2_SEL] = imx_clk_mux("periph_clk2_sel", base + 0x18, 12, 2, periph_clk2_sels, ARRAY_SIZE(periph_clk2_sels));
clks[IMX6SL_CLK_CSI_SEL] = imx_clk_mux("csi_sel", base + 0x3c, 9, 2, csi_lcdif_sels, ARRAY_SIZE(csi_lcdif_sels));
clks[IMX6SL_CLK_LCDIF_AXI_SEL] = imx_clk_mux("lcdif_axi_sel", base + 0x3c, 14, 2, csi_lcdif_sels, ARRAY_SIZE(csi_lcdif_sels));
- clks[IMX6SL_CLK_USDHC1_SEL] = imx_clk_mux("usdhc1_sel", base + 0x1c, 16, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels));
- clks[IMX6SL_CLK_USDHC2_SEL] = imx_clk_mux("usdhc2_sel", base + 0x1c, 17, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels));
- clks[IMX6SL_CLK_USDHC3_SEL] = imx_clk_mux("usdhc3_sel", base + 0x1c, 18, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels));
- clks[IMX6SL_CLK_USDHC4_SEL] = imx_clk_mux("usdhc4_sel", base + 0x1c, 19, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels));
- clks[IMX6SL_CLK_SSI1_SEL] = imx_clk_mux("ssi1_sel", base + 0x1c, 10, 2, ssi_sels, ARRAY_SIZE(ssi_sels));
- clks[IMX6SL_CLK_SSI2_SEL] = imx_clk_mux("ssi2_sel", base + 0x1c, 12, 2, ssi_sels, ARRAY_SIZE(ssi_sels));
- clks[IMX6SL_CLK_SSI3_SEL] = imx_clk_mux("ssi3_sel", base + 0x1c, 14, 2, ssi_sels, ARRAY_SIZE(ssi_sels));
- clks[IMX6SL_CLK_PERCLK_SEL] = imx_clk_mux("perclk_sel", base + 0x1c, 6, 1, perclk_sels, ARRAY_SIZE(perclk_sels));
+ clks[IMX6SL_CLK_USDHC1_SEL] = imx_clk_fixup_mux("usdhc1_sel", base + 0x1c, 16, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels), imx_cscmr1_fixup);
+ clks[IMX6SL_CLK_USDHC2_SEL] = imx_clk_fixup_mux("usdhc2_sel", base + 0x1c, 17, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels), imx_cscmr1_fixup);
+ clks[IMX6SL_CLK_USDHC3_SEL] = imx_clk_fixup_mux("usdhc3_sel", base + 0x1c, 18, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels), imx_cscmr1_fixup);
+ clks[IMX6SL_CLK_USDHC4_SEL] = imx_clk_fixup_mux("usdhc4_sel", base + 0x1c, 19, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels), imx_cscmr1_fixup);
+ clks[IMX6SL_CLK_SSI1_SEL] = imx_clk_fixup_mux("ssi1_sel", base + 0x1c, 10, 2, ssi_sels, ARRAY_SIZE(ssi_sels), imx_cscmr1_fixup);
+ clks[IMX6SL_CLK_SSI2_SEL] = imx_clk_fixup_mux("ssi2_sel", base + 0x1c, 12, 2, ssi_sels, ARRAY_SIZE(ssi_sels), imx_cscmr1_fixup);
+ clks[IMX6SL_CLK_SSI3_SEL] = imx_clk_fixup_mux("ssi3_sel", base + 0x1c, 14, 2, ssi_sels, ARRAY_SIZE(ssi_sels), imx_cscmr1_fixup);
+ clks[IMX6SL_CLK_PERCLK_SEL] = imx_clk_fixup_mux("perclk_sel", base + 0x1c, 6, 1, perclk_sels, ARRAY_SIZE(perclk_sels), imx_cscmr1_fixup);
clks[IMX6SL_CLK_PXP_AXI_SEL] = imx_clk_mux("pxp_axi_sel", base + 0x34, 6, 3, epdc_pxp_sels, ARRAY_SIZE(epdc_pxp_sels));
clks[IMX6SL_CLK_EPDC_AXI_SEL] = imx_clk_mux("epdc_axi_sel", base + 0x34, 15, 3, epdc_pxp_sels, ARRAY_SIZE(epdc_pxp_sels));
clks[IMX6SL_CLK_GPU2D_OVG_SEL] = imx_clk_mux("gpu2d_ovg_sel", base + 0x18, 4, 2, gpu2d_ovg_sels, ARRAY_SIZE(gpu2d_ovg_sels));
@@ -179,14 +179,14 @@
clks[IMX6SL_CLK_SSI2_PODF] = imx_clk_divider("ssi2_podf", "ssi2_pred", base + 0x2c, 0, 6);
clks[IMX6SL_CLK_SSI3_PRED] = imx_clk_divider("ssi3_pred", "ssi3_sel", base + 0x28, 22, 3);
clks[IMX6SL_CLK_SSI3_PODF] = imx_clk_divider("ssi3_podf", "ssi3_pred", base + 0x28, 16, 6);
- clks[IMX6SL_CLK_PERCLK] = imx_clk_divider("perclk", "perclk_sel", base + 0x1c, 0, 6);
+ clks[IMX6SL_CLK_PERCLK] = imx_clk_fixup_divider("perclk", "perclk_sel", base + 0x1c, 0, 6, imx_cscmr1_fixup);
clks[IMX6SL_CLK_PXP_AXI_PODF] = imx_clk_divider("pxp_axi_podf", "pxp_axi_sel", base + 0x34, 3, 3);
clks[IMX6SL_CLK_EPDC_AXI_PODF] = imx_clk_divider("epdc_axi_podf", "epdc_axi_sel", base + 0x34, 12, 3);
clks[IMX6SL_CLK_GPU2D_OVG_PODF] = imx_clk_divider("gpu2d_ovg_podf", "gpu2d_ovg_sel", base + 0x18, 26, 3);
clks[IMX6SL_CLK_GPU2D_PODF] = imx_clk_divider("gpu2d_podf", "gpu2d_sel", base + 0x18, 29, 3);
clks[IMX6SL_CLK_LCDIF_PIX_PRED] = imx_clk_divider("lcdif_pix_pred", "lcdif_pix_sel", base + 0x38, 3, 3);
clks[IMX6SL_CLK_EPDC_PIX_PRED] = imx_clk_divider("epdc_pix_pred", "epdc_pix_sel", base + 0x38, 12, 3);
- clks[IMX6SL_CLK_LCDIF_PIX_PODF] = imx_clk_divider("lcdif_pix_podf", "lcdif_pix_pred", base + 0x1c, 20, 3);
+ clks[IMX6SL_CLK_LCDIF_PIX_PODF] = imx_clk_fixup_divider("lcdif_pix_podf", "lcdif_pix_pred", base + 0x1c, 20, 3, imx_cscmr1_fixup);
clks[IMX6SL_CLK_EPDC_PIX_PODF] = imx_clk_divider("epdc_pix_podf", "epdc_pix_pred", base + 0x18, 23, 3);
clks[IMX6SL_CLK_SPDIF0_PRED] = imx_clk_divider("spdif0_pred", "spdif0_sel", base + 0x30, 25, 3);
clks[IMX6SL_CLK_SPDIF0_PODF] = imx_clk_divider("spdif0_podf", "spdif0_pred", base + 0x30, 22, 3);
diff --git a/arch/arm/mach-imx/clk.c b/arch/arm/mach-imx/clk.c
index 55bc80a..edc35df 100644
--- a/arch/arm/mach-imx/clk.c
+++ b/arch/arm/mach-imx/clk.c
@@ -37,3 +37,29 @@
clk = imx_clk_fixed(name, rate);
return clk;
}
+
+/*
+ * This fixups the register CCM_CSCMR1 write value.
+ * The write/read/divider values of the aclk_podf field
+ * of that register have the relationship described by
+ * the following table:
+ *
+ * write value read value divider
+ * 3b'000 3b'110 7
+ * 3b'001 3b'111 8
+ * 3b'010 3b'100 5
+ * 3b'011 3b'101 6
+ * 3b'100 3b'010 3
+ * 3b'101 3b'011 4
+ * 3b'110 3b'000 1
+ * 3b'111 3b'001 2(default)
+ *
+ * That's why we do the xor operation below.
+ */
+#define CSCMR1_FIXUP 0x00600000
+
+void imx_cscmr1_fixup(u32 *val)
+{
+ *val ^= CSCMR1_FIXUP;
+ return;
+}
diff --git a/arch/arm/mach-imx/clk.h b/arch/arm/mach-imx/clk.h
index 2534359..3451f1f 100644
--- a/arch/arm/mach-imx/clk.h
+++ b/arch/arm/mach-imx/clk.h
@@ -6,6 +6,8 @@
extern spinlock_t imx_ccm_lock;
+extern void imx_cscmr1_fixup(u32 *val);
+
struct clk *imx_clk_pllv1(const char *name, const char *parent,
void __iomem *base);